./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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.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 96a9bd06c2a0348ab1a93991deedda2ae571d70e4f7fb0e32175d69384f432c0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 08:12:41,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 08:12:41,065 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-13 08:12:41,071 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 08:12:41,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 08:12:41,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 08:12:41,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 08:12:41,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 08:12:41,103 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 08:12:41,105 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 08:12:41,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 08:12:41,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 08:12:41,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 08:12:41,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 08:12:41,107 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 08:12:41,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 08:12:41,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 08:12:41,109 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 08:12:41,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 08:12:41,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 08:12:41,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 08:12:41,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 08:12:41,114 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 08:12:41,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 08:12:41,114 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 08:12:41,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 08:12:41,115 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 08:12:41,115 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 08:12:41,115 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 08:12:41,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 08:12:41,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 08:12:41,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 08:12:41,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 08:12:41,116 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 08:12:41,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 08:12:41,117 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 08:12:41,117 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 08:12:41,117 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 08:12:41,117 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 08:12:41,117 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96a9bd06c2a0348ab1a93991deedda2ae571d70e4f7fb0e32175d69384f432c0 [2024-10-13 08:12:41,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 08:12:41,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 08:12:41,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 08:12:41,440 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 08:12:41,441 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 08:12:41,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2024-10-13 08:12:42,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 08:12:43,282 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 08:12:43,283 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2024-10-13 08:12:43,319 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47f65ff44/4f0d09a6c2d44e8eb0a63e32c6b0727c/FLAGb75bdcc56 [2024-10-13 08:12:43,392 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47f65ff44/4f0d09a6c2d44e8eb0a63e32c6b0727c [2024-10-13 08:12:43,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 08:12:43,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 08:12:43,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 08:12:43,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 08:12:43,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 08:12:43,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:12:43" (1/1) ... [2024-10-13 08:12:43,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b5e224e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:43, skipping insertion in model container [2024-10-13 08:12:43,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:12:43" (1/1) ... [2024-10-13 08:12:43,485 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 08:12:44,476 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2024-10-13 08:12:44,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 08:12:44,666 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 08:12:44,742 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 %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3376] [2024-10-13 08:12:44,744 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, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3384-3385] [2024-10-13 08:12:44,745 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; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3393-3394] [2024-10-13 08:12:44,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3402-3403] [2024-10-13 08:12:44,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3421] [2024-10-13 08:12:44,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3424] [2024-10-13 08:12:44,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3427] [2024-10-13 08:12:44,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3430] [2024-10-13 08:12:44,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [3451] [2024-10-13 08:12:44,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [3454] [2024-10-13 08:12:44,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [3457] [2024-10-13 08:12:44,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [3460] [2024-10-13 08:12:44,981 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2024-10-13 08:12:45,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 08:12:45,088 INFO L204 MainTranslator]: Completed translation [2024-10-13 08:12:45,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:45 WrapperNode [2024-10-13 08:12:45,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 08:12:45,091 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 08:12:45,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 08:12:45,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 08:12:45,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:45" (1/1) ... [2024-10-13 08:12:45,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:45" (1/1) ... [2024-10-13 08:12:45,315 INFO L138 Inliner]: procedures = 222, calls = 889, calls flagged for inlining = 80, calls inlined = 75, statements flattened = 2794 [2024-10-13 08:12:45,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 08:12:45,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 08:12:45,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 08:12:45,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 08:12:45,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:45" (1/1) ... [2024-10-13 08:12:45,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:45" (1/1) ... [2024-10-13 08:12:45,349 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:45" (1/1) ... [2024-10-13 08:12:45,496 INFO L175 MemorySlicer]: Split 384 memory accesses to 20 slices as follows [2, 5, 12, 5, 1, 1, 28, 15, 15, 24, 3, 5, 6, 8, 199, 27, 3, 14, 8, 3]. 52 percent of accesses are in the largest equivalence class. The 170 initializations are split as follows [2, 5, 0, 5, 0, 0, 28, 8, 8, 24, 3, 5, 6, 8, 24, 27, 3, 3, 8, 3]. The 58 writes are split as follows [0, 0, 2, 0, 0, 1, 0, 3, 0, 0, 0, 0, 0, 0, 42, 0, 0, 10, 0, 0]. [2024-10-13 08:12:45,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:45" (1/1) ... [2024-10-13 08:12:45,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:45" (1/1) ... [2024-10-13 08:12:45,571 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:45" (1/1) ... [2024-10-13 08:12:45,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:45" (1/1) ... [2024-10-13 08:12:45,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:45" (1/1) ... [2024-10-13 08:12:45,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:45" (1/1) ... [2024-10-13 08:12:45,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 08:12:45,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 08:12:45,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 08:12:45,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 08:12:45,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:45" (1/1) ... [2024-10-13 08:12:45,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 08:12:45,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 08:12:45,785 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 08:12:45,802 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 08:12:45,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2024-10-13 08:12:45,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2024-10-13 08:12:45,854 INFO L130 BoogieDeclarations]: Found specification of procedure lp_error [2024-10-13 08:12:45,854 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_error [2024-10-13 08:12:45,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-13 08:12:45,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-13 08:12:45,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-13 08:12:45,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-13 08:12:45,855 INFO L130 BoogieDeclarations]: Found specification of procedure lp_register [2024-10-13 08:12:45,858 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_register [2024-10-13 08:12:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2024-10-13 08:12:45,858 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2024-10-13 08:12:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-10-13 08:12:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-10-13 08:12:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure lp_release_parport [2024-10-13 08:12:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_release_parport [2024-10-13 08:12:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-13 08:12:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-13 08:12:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-10-13 08:12:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-10-13 08:12:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-13 08:12:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-13 08:12:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 08:12:45,860 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 08:12:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-10-13 08:12:45,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-10-13 08:12:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-10-13 08:12:45,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-10-13 08:12:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2024-10-13 08:12:45,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2024-10-13 08:12:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 08:12:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure lp_set_timeout [2024-10-13 08:12:45,861 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_set_timeout [2024-10-13 08:12:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure lp_reset [2024-10-13 08:12:45,861 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_reset [2024-10-13 08:12:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_25 [2024-10-13 08:12:45,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_25 [2024-10-13 08:12:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 08:12:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 08:12:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 08:12:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-13 08:12:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-13 08:12:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-13 08:12:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-13 08:12:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-13 08:12:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-13 08:12:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-13 08:12:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-13 08:12:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-13 08:12:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-13 08:12:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-13 08:12:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-13 08:12:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-13 08:12:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-13 08:12:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-13 08:12:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-13 08:12:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-13 08:12:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-10-13 08:12:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-10-13 08:12:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2024-10-13 08:12:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2024-10-13 08:12:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-10-13 08:12:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-10-13 08:12:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure parport_write [2024-10-13 08:12:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_write [2024-10-13 08:12:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 08:12:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-13 08:12:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-13 08:12:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-13 08:12:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-13 08:12:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-13 08:12:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-13 08:12:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-13 08:12:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-13 08:12:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-13 08:12:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-13 08:12:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-13 08:12:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-13 08:12:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-13 08:12:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-13 08:12:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-13 08:12:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-13 08:12:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-13 08:12:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-13 08:12:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-13 08:12:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-13 08:12:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-13 08:12:45,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-13 08:12:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-10-13 08:12:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-10-13 08:12:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lp_mutex [2024-10-13 08:12:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lp_mutex [2024-10-13 08:12:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2024-10-13 08:12:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2024-10-13 08:12:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure parport_negotiate [2024-10-13 08:12:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_negotiate [2024-10-13 08:12:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure parport_release [2024-10-13 08:12:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_release [2024-10-13 08:12:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_console [2024-10-13 08:12:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_console [2024-10-13 08:12:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure parport_set_timeout [2024-10-13 08:12:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_set_timeout [2024-10-13 08:12:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 08:12:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 08:12:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 08:12:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-13 08:12:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-13 08:12:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-13 08:12:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-13 08:12:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-13 08:12:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-13 08:12:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-13 08:12:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-13 08:12:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-13 08:12:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-13 08:12:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-13 08:12:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-13 08:12:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-13 08:12:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-13 08:12:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-13 08:12:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-13 08:12:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-13 08:12:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim_or_block [2024-10-13 08:12:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim_or_block [2024-10-13 08:12:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure lp_do_ioctl [2024-10-13 08:12:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_do_ioctl [2024-10-13 08:12:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2024-10-13 08:12:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2024-10-13 08:12:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 08:12:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 08:12:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 08:12:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-13 08:12:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-13 08:12:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-13 08:12:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-13 08:12:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-13 08:12:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-13 08:12:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-13 08:12:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-13 08:12:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-13 08:12:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-13 08:12:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-13 08:12:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-13 08:12:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-13 08:12:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-13 08:12:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-13 08:12:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-13 08:12:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-13 08:12:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-10-13 08:12:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-10-13 08:12:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-13 08:12:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-13 08:12:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-13 08:12:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-13 08:12:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure lp_claim_parport_or_block [2024-10-13 08:12:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_claim_parport_or_block [2024-10-13 08:12:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2024-10-13 08:12:45,887 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2024-10-13 08:12:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 08:12:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-10-13 08:12:45,888 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-10-13 08:12:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-10-13 08:12:45,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-10-13 08:12:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-10-13 08:12:45,890 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-10-13 08:12:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 08:12:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-13 08:12:45,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-13 08:12:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 08:12:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 08:12:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 08:12:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-13 08:12:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-13 08:12:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-13 08:12:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-13 08:12:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-13 08:12:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-13 08:12:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-13 08:12:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-13 08:12:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-13 08:12:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-13 08:12:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-13 08:12:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-13 08:12:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-13 08:12:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-13 08:12:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-13 08:12:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-13 08:12:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-13 08:12:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure lp_detach [2024-10-13 08:12:45,892 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_detach [2024-10-13 08:12:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lp_mutex [2024-10-13 08:12:45,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lp_mutex [2024-10-13 08:12:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-13 08:12:45,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-13 08:12:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure lp_negotiate [2024-10-13 08:12:45,892 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_negotiate [2024-10-13 08:12:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2024-10-13 08:12:45,892 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2024-10-13 08:12:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2024-10-13 08:12:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2024-10-13 08:12:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure lp_wait_ready [2024-10-13 08:12:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_wait_ready [2024-10-13 08:12:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-10-13 08:12:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-10-13 08:12:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2024-10-13 08:12:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2024-10-13 08:12:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 08:12:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 08:12:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 08:12:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-13 08:12:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-13 08:12:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-13 08:12:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-13 08:12:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-13 08:12:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-13 08:12:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-13 08:12:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-13 08:12:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-13 08:12:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-13 08:12:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-13 08:12:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-13 08:12:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-13 08:12:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-13 08:12:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-13 08:12:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-13 08:12:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-13 08:12:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure lp_write [2024-10-13 08:12:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_write [2024-10-13 08:12:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-10-13 08:12:45,914 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-10-13 08:12:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-10-13 08:12:45,914 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-10-13 08:12:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 08:12:45,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 08:12:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure parport_yield_blocking [2024-10-13 08:12:45,914 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_yield_blocking [2024-10-13 08:12:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-10-13 08:12:45,915 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-10-13 08:12:46,512 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 08:12:46,516 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 08:12:46,645 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-13 08:12:49,016 INFO L? ?]: Removed 1075 outVars from TransFormulas that were not future-live. [2024-10-13 08:12:49,016 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 08:12:49,205 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 08:12:49,206 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 08:12:49,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:12:49 BoogieIcfgContainer [2024-10-13 08:12:49,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 08:12:49,209 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 08:12:49,209 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 08:12:49,212 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 08:12:49,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:12:43" (1/3) ... [2024-10-13 08:12:49,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728c2ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:12:49, skipping insertion in model container [2024-10-13 08:12:49,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:45" (2/3) ... [2024-10-13 08:12:49,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728c2ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:12:49, skipping insertion in model container [2024-10-13 08:12:49,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:12:49" (3/3) ... [2024-10-13 08:12:49,217 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2024-10-13 08:12:49,233 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 08:12:49,233 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-13 08:12:49,326 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 08:12:49,335 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;@77527c8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 08:12:49,336 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-13 08:12:49,345 INFO L276 IsEmpty]: Start isEmpty. Operand has 886 states, 624 states have (on average 1.453525641025641) internal successors, (907), 648 states have internal predecessors, (907), 203 states have call successors, (203), 56 states have call predecessors, (203), 55 states have return successors, (198), 198 states have call predecessors, (198), 198 states have call successors, (198) [2024-10-13 08:12:49,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-13 08:12:49,365 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:12:49,366 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:49,367 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting get_currentErr0ASSERT_VIOLATIONUNKNOWN === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-13 08:12:49,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:12:49,376 INFO L85 PathProgramCache]: Analyzing trace with hash -528245565, now seen corresponding path program 1 times [2024-10-13 08:12:49,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:12:49,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610418206] [2024-10-13 08:12:49,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:12:49,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:12:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:12:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:12:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:12:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:12:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:12:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:12:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:12:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:12:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:12:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:12:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:12:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:12:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:12:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 08:12:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 08:12:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 08:12:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 08:12:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 08:12:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 08:12:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 08:12:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:50,361 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-13 08:12:50,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:12:50,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610418206] [2024-10-13 08:12:50,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610418206] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:12:50,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:12:50,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:12:50,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451541394] [2024-10-13 08:12:50,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:12:50,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:12:50,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:12:50,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:12:50,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:12:50,397 INFO L87 Difference]: Start difference. First operand has 886 states, 624 states have (on average 1.453525641025641) internal successors, (907), 648 states have internal predecessors, (907), 203 states have call successors, (203), 56 states have call predecessors, (203), 55 states have return successors, (198), 198 states have call predecessors, (198), 198 states have call successors, (198) Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-13 08:12:53,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:12:53,016 INFO L93 Difference]: Finished difference Result 1825 states and 2753 transitions. [2024-10-13 08:12:53,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 08:12:53,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2024-10-13 08:12:53,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:12:53,041 INFO L225 Difference]: With dead ends: 1825 [2024-10-13 08:12:53,041 INFO L226 Difference]: Without dead ends: 933 [2024-10-13 08:12:53,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 08:12:53,056 INFO L432 NwaCegarLoop]: 630 mSDtfsCounter, 1081 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 1320 mSolverCounterSat, 731 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1120 SdHoareTripleChecker+Valid, 1419 SdHoareTripleChecker+Invalid, 2051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 731 IncrementalHoareTripleChecker+Valid, 1320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-13 08:12:53,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1120 Valid, 1419 Invalid, 2051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [731 Valid, 1320 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-13 08:12:53,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2024-10-13 08:12:53,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 877. [2024-10-13 08:12:53,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 622 states have (on average 1.427652733118971) internal successors, (888), 639 states have internal predecessors, (888), 198 states have call successors, (198), 55 states have call predecessors, (198), 54 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2024-10-13 08:12:53,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1275 transitions. [2024-10-13 08:12:53,192 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1275 transitions. Word has length 147 [2024-10-13 08:12:53,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:12:53,193 INFO L471 AbstractCegarLoop]: Abstraction has 877 states and 1275 transitions. [2024-10-13 08:12:53,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-13 08:12:53,194 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1275 transitions. [2024-10-13 08:12:53,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-13 08:12:53,200 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:12:53,200 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:53,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 08:12:53,201 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting get_currentErr0ASSERT_VIOLATIONUNKNOWN === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-13 08:12:53,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:12:53,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1910492599, now seen corresponding path program 1 times [2024-10-13 08:12:53,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:12:53,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900040421] [2024-10-13 08:12:53,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:12:53,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:12:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:12:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:12:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:12:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:12:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:12:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:12:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:12:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:12:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:12:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:12:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:12:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:12:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:12:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 08:12:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 08:12:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 08:12:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 08:12:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 08:12:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 08:12:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 08:12:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:53,747 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-13 08:12:53,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:12:53,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900040421] [2024-10-13 08:12:53,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900040421] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:12:53,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:12:53,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 08:12:53,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78524429] [2024-10-13 08:12:53,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:12:53,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 08:12:53,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:12:53,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 08:12:53,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 08:12:53,750 INFO L87 Difference]: Start difference. First operand 877 states and 1275 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-13 08:12:56,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:12:56,872 INFO L93 Difference]: Finished difference Result 2016 states and 2926 transitions. [2024-10-13 08:12:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 08:12:56,873 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2024-10-13 08:12:56,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:12:56,891 INFO L225 Difference]: With dead ends: 2016 [2024-10-13 08:12:56,891 INFO L226 Difference]: Without dead ends: 1173 [2024-10-13 08:12:56,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-13 08:12:56,899 INFO L432 NwaCegarLoop]: 618 mSDtfsCounter, 1300 mSDsluCounter, 1592 mSDsCounter, 0 mSdLazyCounter, 2487 mSolverCounterSat, 643 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1379 SdHoareTripleChecker+Valid, 2210 SdHoareTripleChecker+Invalid, 3130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 643 IncrementalHoareTripleChecker+Valid, 2487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-10-13 08:12:56,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1379 Valid, 2210 Invalid, 3130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [643 Valid, 2487 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-10-13 08:12:56,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2024-10-13 08:12:57,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1091. [2024-10-13 08:12:57,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 778 states have (on average 1.430591259640103) internal successors, (1113), 797 states have internal predecessors, (1113), 233 states have call successors, (233), 78 states have call predecessors, (233), 77 states have return successors, (224), 223 states have call predecessors, (224), 224 states have call successors, (224) [2024-10-13 08:12:57,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1570 transitions. [2024-10-13 08:12:57,051 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1570 transitions. Word has length 147 [2024-10-13 08:12:57,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:12:57,054 INFO L471 AbstractCegarLoop]: Abstraction has 1091 states and 1570 transitions. [2024-10-13 08:12:57,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-13 08:12:57,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1570 transitions. [2024-10-13 08:12:57,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-13 08:12:57,058 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:12:57,059 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:57,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 08:12:57,060 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-13 08:12:57,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:12:57,061 INFO L85 PathProgramCache]: Analyzing trace with hash 868521266, now seen corresponding path program 1 times [2024-10-13 08:12:57,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:12:57,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826334457] [2024-10-13 08:12:57,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:12:57,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:12:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:12:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:12:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:12:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:12:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:12:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:12:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:12:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:12:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:12:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:12:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:12:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:12:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:12:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:12:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 08:12:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 08:12:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 08:12:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 08:12:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 08:12:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 08:12:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 08:12:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:12:57,832 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-13 08:12:57,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:12:57,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826334457] [2024-10-13 08:12:57,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826334457] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:12:57,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:12:57,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 08:12:57,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207287089] [2024-10-13 08:12:57,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:12:57,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 08:12:57,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:12:57,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 08:12:57,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 08:12:57,836 INFO L87 Difference]: Start difference. First operand 1091 states and 1570 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-13 08:13:02,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:13:02,812 INFO L93 Difference]: Finished difference Result 3319 states and 4799 transitions. [2024-10-13 08:13:02,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 08:13:02,812 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2024-10-13 08:13:02,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:13:02,830 INFO L225 Difference]: With dead ends: 3319 [2024-10-13 08:13:02,831 INFO L226 Difference]: Without dead ends: 2262 [2024-10-13 08:13:02,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-10-13 08:13:02,836 INFO L432 NwaCegarLoop]: 637 mSDtfsCounter, 2699 mSDsluCounter, 2176 mSDsCounter, 0 mSdLazyCounter, 3299 mSolverCounterSat, 1160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2837 SdHoareTripleChecker+Valid, 2813 SdHoareTripleChecker+Invalid, 4459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1160 IncrementalHoareTripleChecker+Valid, 3299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-10-13 08:13:02,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2837 Valid, 2813 Invalid, 4459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1160 Valid, 3299 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-10-13 08:13:02,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2262 states. [2024-10-13 08:13:02,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2262 to 2111. [2024-10-13 08:13:02,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2111 states, 1515 states have (on average 1.4356435643564356) internal successors, (2175), 1544 states have internal predecessors, (2175), 441 states have call successors, (441), 153 states have call predecessors, (441), 152 states have return successors, (432), 429 states have call predecessors, (432), 432 states have call successors, (432) [2024-10-13 08:13:02,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 2111 states and 3048 transitions. [2024-10-13 08:13:02,962 INFO L78 Accepts]: Start accepts. Automaton has 2111 states and 3048 transitions. Word has length 148 [2024-10-13 08:13:02,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:13:02,963 INFO L471 AbstractCegarLoop]: Abstraction has 2111 states and 3048 transitions. [2024-10-13 08:13:02,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-13 08:13:02,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2111 states and 3048 transitions. [2024-10-13 08:13:02,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-13 08:13:02,966 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:13:02,966 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:02,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 08:13:02,968 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-13 08:13:02,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:13:02,969 INFO L85 PathProgramCache]: Analyzing trace with hash -720267284, now seen corresponding path program 1 times [2024-10-13 08:13:02,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:13:02,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207927288] [2024-10-13 08:13:02,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:13:02,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:13:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:13:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:13:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:13:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:13:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:13:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:13:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:13:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 08:13:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 08:13:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 08:13:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 08:13:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 08:13:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 08:13:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 08:13:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:03,495 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-13 08:13:03,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:13:03,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207927288] [2024-10-13 08:13:03,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207927288] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:13:03,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:13:03,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 08:13:03,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031127824] [2024-10-13 08:13:03,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:13:03,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 08:13:03,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:13:03,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 08:13:03,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-13 08:13:03,498 INFO L87 Difference]: Start difference. First operand 2111 states and 3048 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-13 08:13:07,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:13:07,322 INFO L93 Difference]: Finished difference Result 4330 states and 6272 transitions. [2024-10-13 08:13:07,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 08:13:07,323 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-10-13 08:13:07,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:13:07,337 INFO L225 Difference]: With dead ends: 4330 [2024-10-13 08:13:07,338 INFO L226 Difference]: Without dead ends: 2253 [2024-10-13 08:13:07,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-10-13 08:13:07,347 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 1880 mSDsluCounter, 2163 mSDsCounter, 0 mSdLazyCounter, 3285 mSolverCounterSat, 740 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2003 SdHoareTripleChecker+Valid, 2779 SdHoareTripleChecker+Invalid, 4025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 740 IncrementalHoareTripleChecker+Valid, 3285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-10-13 08:13:07,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2003 Valid, 2779 Invalid, 4025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [740 Valid, 3285 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-10-13 08:13:07,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-10-13 08:13:07,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2124. [2024-10-13 08:13:07,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2124 states, 1528 states have (on average 1.431937172774869) internal successors, (2188), 1557 states have internal predecessors, (2188), 441 states have call successors, (441), 153 states have call predecessors, (441), 152 states have return successors, (432), 429 states have call predecessors, (432), 432 states have call successors, (432) [2024-10-13 08:13:07,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 2124 states and 3061 transitions. [2024-10-13 08:13:07,501 INFO L78 Accepts]: Start accepts. Automaton has 2124 states and 3061 transitions. Word has length 149 [2024-10-13 08:13:07,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:13:07,503 INFO L471 AbstractCegarLoop]: Abstraction has 2124 states and 3061 transitions. [2024-10-13 08:13:07,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-13 08:13:07,504 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 3061 transitions. [2024-10-13 08:13:07,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-13 08:13:07,508 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:13:07,508 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:07,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 08:13:07,509 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-13 08:13:07,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:13:07,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1986302737, now seen corresponding path program 1 times [2024-10-13 08:13:07,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:13:07,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600889353] [2024-10-13 08:13:07,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:13:07,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:13:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:13:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:13:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:13:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:13:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:13:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:13:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:13:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:07,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 08:13:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:08,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 08:13:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:08,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 08:13:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:08,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 08:13:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:08,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 08:13:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:08,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 08:13:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:08,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 08:13:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:08,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 08:13:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:08,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 08:13:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:08,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 08:13:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:08,072 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-13 08:13:08,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:13:08,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600889353] [2024-10-13 08:13:08,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600889353] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:13:08,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:13:08,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 08:13:08,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435616329] [2024-10-13 08:13:08,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:13:08,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 08:13:08,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:13:08,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 08:13:08,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 08:13:08,075 INFO L87 Difference]: Start difference. First operand 2124 states and 3061 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-13 08:13:12,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:13:12,308 INFO L93 Difference]: Finished difference Result 6344 states and 9177 transitions. [2024-10-13 08:13:12,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 08:13:12,309 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 153 [2024-10-13 08:13:12,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:13:12,335 INFO L225 Difference]: With dead ends: 6344 [2024-10-13 08:13:12,335 INFO L226 Difference]: Without dead ends: 4254 [2024-10-13 08:13:12,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-10-13 08:13:12,345 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 4028 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 2268 mSolverCounterSat, 2190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4123 SdHoareTripleChecker+Valid, 2223 SdHoareTripleChecker+Invalid, 4458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2190 IncrementalHoareTripleChecker+Valid, 2268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-10-13 08:13:12,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4123 Valid, 2223 Invalid, 4458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2190 Valid, 2268 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-13 08:13:12,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2024-10-13 08:13:12,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 4010. [2024-10-13 08:13:12,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4010 states, 2898 states have (on average 1.4334023464458248) internal successors, (4154), 2941 states have internal predecessors, (4154), 816 states have call successors, (816), 294 states have call predecessors, (816), 293 states have return successors, (807), 804 states have call predecessors, (807), 807 states have call successors, (807) [2024-10-13 08:13:12,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4010 states to 4010 states and 5777 transitions. [2024-10-13 08:13:12,640 INFO L78 Accepts]: Start accepts. Automaton has 4010 states and 5777 transitions. Word has length 153 [2024-10-13 08:13:12,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:13:12,640 INFO L471 AbstractCegarLoop]: Abstraction has 4010 states and 5777 transitions. [2024-10-13 08:13:12,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-13 08:13:12,641 INFO L276 IsEmpty]: Start isEmpty. Operand 4010 states and 5777 transitions. [2024-10-13 08:13:12,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-13 08:13:12,643 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:13:12,643 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:12,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 08:13:12,644 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-13 08:13:12,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:13:12,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1285914690, now seen corresponding path program 1 times [2024-10-13 08:13:12,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:13:12,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225365861] [2024-10-13 08:13:12,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:13:12,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:13:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:12,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:12,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:12,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:12,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:13:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:12,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:12,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:12,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:13:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:12,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:12,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:12,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:13:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:12,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:12,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:12,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:13:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:12,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:12,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:12,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:13:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:13,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:13,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:13,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:13:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:13,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:13:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:13,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 08:13:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:13,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 08:13:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:13,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 08:13:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:13,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 08:13:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:13,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 08:13:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:13,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 08:13:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:13,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 08:13:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:13,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 08:13:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:13,121 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-13 08:13:13,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:13:13,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225365861] [2024-10-13 08:13:13,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225365861] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:13:13,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:13:13,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 08:13:13,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863071280] [2024-10-13 08:13:13,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:13:13,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 08:13:13,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:13:13,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 08:13:13,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 08:13:13,125 INFO L87 Difference]: Start difference. First operand 4010 states and 5777 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-13 08:13:15,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:13:15,349 INFO L93 Difference]: Finished difference Result 4242 states and 6143 transitions. [2024-10-13 08:13:15,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 08:13:15,349 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 155 [2024-10-13 08:13:15,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:13:15,372 INFO L225 Difference]: With dead ends: 4242 [2024-10-13 08:13:15,373 INFO L226 Difference]: Without dead ends: 4239 [2024-10-13 08:13:15,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 08:13:15,376 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 2066 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 955 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2164 SdHoareTripleChecker+Valid, 1389 SdHoareTripleChecker+Invalid, 2274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 955 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-13 08:13:15,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2164 Valid, 1389 Invalid, 2274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [955 Valid, 1319 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-13 08:13:15,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4239 states. [2024-10-13 08:13:15,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4239 to 4009. [2024-10-13 08:13:15,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4009 states, 2898 states have (on average 1.433057280883368) internal successors, (4153), 2940 states have internal predecessors, (4153), 815 states have call successors, (815), 294 states have call predecessors, (815), 293 states have return successors, (807), 804 states have call predecessors, (807), 807 states have call successors, (807) [2024-10-13 08:13:15,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4009 states to 4009 states and 5775 transitions. [2024-10-13 08:13:15,605 INFO L78 Accepts]: Start accepts. Automaton has 4009 states and 5775 transitions. Word has length 155 [2024-10-13 08:13:15,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:13:15,605 INFO L471 AbstractCegarLoop]: Abstraction has 4009 states and 5775 transitions. [2024-10-13 08:13:15,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-13 08:13:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 4009 states and 5775 transitions. [2024-10-13 08:13:15,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-10-13 08:13:15,608 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:13:15,608 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:15,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 08:13:15,608 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-13 08:13:15,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:13:15,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1208386658, now seen corresponding path program 1 times [2024-10-13 08:13:15,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:13:15,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487058697] [2024-10-13 08:13:15,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:13:15,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:13:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:15,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:15,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:15,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:15,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:13:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:15,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:15,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:15,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:13:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:15,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:15,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:15,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:13:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:15,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:15,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:15,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:13:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:15,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:15,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:15,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:13:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:16,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:16,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:16,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:13:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:16,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:13:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:16,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 08:13:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:16,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 08:13:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:16,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 08:13:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:16,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 08:13:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:16,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 08:13:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:16,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 08:13:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:16,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 08:13:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:16,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 08:13:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:16,144 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-13 08:13:16,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:13:16,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487058697] [2024-10-13 08:13:16,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487058697] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:13:16,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:13:16,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 08:13:16,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113423681] [2024-10-13 08:13:16,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:13:16,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 08:13:16,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:13:16,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 08:13:16,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 08:13:16,147 INFO L87 Difference]: Start difference. First operand 4009 states and 5775 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-13 08:13:18,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:13:18,342 INFO L93 Difference]: Finished difference Result 4241 states and 6141 transitions. [2024-10-13 08:13:18,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 08:13:18,343 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2024-10-13 08:13:18,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:13:18,363 INFO L225 Difference]: With dead ends: 4241 [2024-10-13 08:13:18,364 INFO L226 Difference]: Without dead ends: 4238 [2024-10-13 08:13:18,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 08:13:18,367 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 1842 mSDsluCounter, 1134 mSDsCounter, 0 mSdLazyCounter, 1731 mSolverCounterSat, 721 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1940 SdHoareTripleChecker+Valid, 1748 SdHoareTripleChecker+Invalid, 2452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 721 IncrementalHoareTripleChecker+Valid, 1731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-13 08:13:18,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1940 Valid, 1748 Invalid, 2452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [721 Valid, 1731 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-13 08:13:18,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4238 states. [2024-10-13 08:13:18,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4238 to 4008. [2024-10-13 08:13:18,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4008 states, 2898 states have (on average 1.4327122153209109) internal successors, (4152), 2939 states have internal predecessors, (4152), 814 states have call successors, (814), 294 states have call predecessors, (814), 293 states have return successors, (807), 804 states have call predecessors, (807), 807 states have call successors, (807) [2024-10-13 08:13:18,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4008 states to 4008 states and 5773 transitions. [2024-10-13 08:13:18,616 INFO L78 Accepts]: Start accepts. Automaton has 4008 states and 5773 transitions. Word has length 156 [2024-10-13 08:13:18,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:13:18,616 INFO L471 AbstractCegarLoop]: Abstraction has 4008 states and 5773 transitions. [2024-10-13 08:13:18,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-13 08:13:18,617 INFO L276 IsEmpty]: Start isEmpty. Operand 4008 states and 5773 transitions. [2024-10-13 08:13:18,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-10-13 08:13:18,619 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:13:18,619 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:18,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 08:13:18,619 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-13 08:13:18,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:13:18,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1194977467, now seen corresponding path program 1 times [2024-10-13 08:13:18,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:13:18,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123574789] [2024-10-13 08:13:18,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:13:18,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:13:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:13:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:13:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:13:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:13:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:13:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:13:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:13:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 08:13:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 08:13:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 08:13:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 08:13:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:18,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 08:13:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:19,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 08:13:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:19,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 08:13:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:19,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 08:13:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:19,032 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-13 08:13:19,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:13:19,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123574789] [2024-10-13 08:13:19,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123574789] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:13:19,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:13:19,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 08:13:19,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144910335] [2024-10-13 08:13:19,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:13:19,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 08:13:19,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:13:19,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 08:13:19,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 08:13:19,036 INFO L87 Difference]: Start difference. First operand 4008 states and 5773 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-13 08:13:21,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:13:21,345 INFO L93 Difference]: Finished difference Result 4648 states and 6550 transitions. [2024-10-13 08:13:21,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 08:13:21,347 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2024-10-13 08:13:21,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:13:21,369 INFO L225 Difference]: With dead ends: 4648 [2024-10-13 08:13:21,369 INFO L226 Difference]: Without dead ends: 4644 [2024-10-13 08:13:21,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-13 08:13:21,373 INFO L432 NwaCegarLoop]: 612 mSDtfsCounter, 1990 mSDsluCounter, 908 mSDsCounter, 0 mSdLazyCounter, 1590 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2059 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 2606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 1590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-13 08:13:21,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2059 Valid, 1520 Invalid, 2606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 1590 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-13 08:13:21,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4644 states. [2024-10-13 08:13:21,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4644 to 4402. [2024-10-13 08:13:21,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4402 states, 3126 states have (on average 1.40978886756238) internal successors, (4407), 3165 states have internal predecessors, (4407), 884 states have call successors, (884), 390 states have call predecessors, (884), 389 states have return successors, (879), 876 states have call predecessors, (879), 879 states have call successors, (879) [2024-10-13 08:13:21,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4402 states to 4402 states and 6170 transitions. [2024-10-13 08:13:21,681 INFO L78 Accepts]: Start accepts. Automaton has 4402 states and 6170 transitions. Word has length 157 [2024-10-13 08:13:21,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:13:21,682 INFO L471 AbstractCegarLoop]: Abstraction has 4402 states and 6170 transitions. [2024-10-13 08:13:21,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-13 08:13:21,683 INFO L276 IsEmpty]: Start isEmpty. Operand 4402 states and 6170 transitions. [2024-10-13 08:13:21,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-10-13 08:13:21,685 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:13:21,685 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:21,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 08:13:21,685 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-13 08:13:21,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:13:21,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1610150853, now seen corresponding path program 1 times [2024-10-13 08:13:21,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:13:21,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983130712] [2024-10-13 08:13:21,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:13:21,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:13:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:21,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:21,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:21,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:21,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:13:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:21,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:21,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:21,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:13:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:21,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:21,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:21,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:13:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:21,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:21,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:21,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:13:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:21,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:21,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:21,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:13:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:21,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:21,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:21,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:13:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:21,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:13:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:22,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 08:13:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:22,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 08:13:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:22,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 08:13:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:22,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 08:13:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:22,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 08:13:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:22,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 08:13:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:22,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 08:13:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:22,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 08:13:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-13 08:13:22,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:13:22,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983130712] [2024-10-13 08:13:22,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983130712] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:13:22,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:13:22,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 08:13:22,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851702482] [2024-10-13 08:13:22,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:13:22,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 08:13:22,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:13:22,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 08:13:22,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 08:13:22,076 INFO L87 Difference]: Start difference. First operand 4402 states and 6170 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-13 08:13:24,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:13:24,521 INFO L93 Difference]: Finished difference Result 4642 states and 6540 transitions. [2024-10-13 08:13:24,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 08:13:24,522 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 158 [2024-10-13 08:13:24,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:13:24,544 INFO L225 Difference]: With dead ends: 4642 [2024-10-13 08:13:24,544 INFO L226 Difference]: Without dead ends: 4639 [2024-10-13 08:13:24,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 08:13:24,548 INFO L432 NwaCegarLoop]: 610 mSDtfsCounter, 2053 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 1317 mSolverCounterSat, 942 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2151 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 2259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 942 IncrementalHoareTripleChecker+Valid, 1317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-13 08:13:24,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2151 Valid, 1377 Invalid, 2259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [942 Valid, 1317 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-13 08:13:24,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4639 states. [2024-10-13 08:13:24,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4639 to 4401. [2024-10-13 08:13:24,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4401 states, 3126 states have (on average 1.4094689699296226) internal successors, (4406), 3164 states have internal predecessors, (4406), 883 states have call successors, (883), 390 states have call predecessors, (883), 389 states have return successors, (879), 876 states have call predecessors, (879), 879 states have call successors, (879) [2024-10-13 08:13:24,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4401 states to 4401 states and 6168 transitions. [2024-10-13 08:13:24,900 INFO L78 Accepts]: Start accepts. Automaton has 4401 states and 6168 transitions. Word has length 158 [2024-10-13 08:13:24,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:13:24,901 INFO L471 AbstractCegarLoop]: Abstraction has 4401 states and 6168 transitions. [2024-10-13 08:13:24,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-13 08:13:24,901 INFO L276 IsEmpty]: Start isEmpty. Operand 4401 states and 6168 transitions. [2024-10-13 08:13:24,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-13 08:13:24,904 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:13:24,904 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:24,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 08:13:24,904 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-13 08:13:24,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:13:24,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1625179576, now seen corresponding path program 1 times [2024-10-13 08:13:24,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:13:24,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085408963] [2024-10-13 08:13:24,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:13:24,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:13:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:13:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:13:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:13:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:13:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:13:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:13:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:13:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 08:13:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 08:13:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 08:13:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 08:13:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 08:13:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 08:13:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 08:13:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 08:13:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:25,251 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-13 08:13:25,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:13:25,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085408963] [2024-10-13 08:13:25,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085408963] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:13:25,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:13:25,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 08:13:25,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134479516] [2024-10-13 08:13:25,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:13:25,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 08:13:25,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:13:25,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 08:13:25,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 08:13:25,253 INFO L87 Difference]: Start difference. First operand 4401 states and 6168 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-13 08:13:29,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:13:29,055 INFO L93 Difference]: Finished difference Result 13491 states and 19095 transitions. [2024-10-13 08:13:29,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 08:13:29,055 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 159 [2024-10-13 08:13:29,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:13:29,095 INFO L225 Difference]: With dead ends: 13491 [2024-10-13 08:13:29,095 INFO L226 Difference]: Without dead ends: 9098 [2024-10-13 08:13:29,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-13 08:13:29,117 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 2606 mSDsluCounter, 1269 mSDsCounter, 0 mSdLazyCounter, 2554 mSolverCounterSat, 1333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2730 SdHoareTripleChecker+Valid, 1907 SdHoareTripleChecker+Invalid, 3887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1333 IncrementalHoareTripleChecker+Valid, 2554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-13 08:13:29,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2730 Valid, 1907 Invalid, 3887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1333 Valid, 2554 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-13 08:13:29,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9098 states. [2024-10-13 08:13:29,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9098 to 8606. [2024-10-13 08:13:29,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8606 states, 6136 states have (on average 1.4102020860495437) internal successors, (8653), 6216 states have internal predecessors, (8653), 1708 states have call successors, (1708), 757 states have call predecessors, (1708), 759 states have return successors, (1765), 1689 states have call predecessors, (1765), 1701 states have call successors, (1765) [2024-10-13 08:13:29,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8606 states to 8606 states and 12126 transitions. [2024-10-13 08:13:29,757 INFO L78 Accepts]: Start accepts. Automaton has 8606 states and 12126 transitions. Word has length 159 [2024-10-13 08:13:29,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:13:29,758 INFO L471 AbstractCegarLoop]: Abstraction has 8606 states and 12126 transitions. [2024-10-13 08:13:29,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-13 08:13:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 8606 states and 12126 transitions. [2024-10-13 08:13:29,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-13 08:13:29,763 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:13:29,764 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-10-13 08:13:29,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 08:13:29,764 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting get_currentErr0ASSERT_VIOLATIONUNKNOWN === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-13 08:13:29,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:13:29,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1126784267, now seen corresponding path program 1 times [2024-10-13 08:13:29,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:13:29,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596279224] [2024-10-13 08:13:29,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:13:29,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:13:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:13:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:13:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:13:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:13:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:13:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:13:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:13:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 08:13:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 08:13:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 08:13:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 08:13:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 08:13:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 08:13:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 08:13:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 08:13:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 08:13:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 08:13:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:30,246 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-10-13 08:13:30,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:13:30,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596279224] [2024-10-13 08:13:30,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596279224] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:13:30,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:13:30,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 08:13:30,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717220717] [2024-10-13 08:13:30,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:13:30,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 08:13:30,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:13:30,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 08:13:30,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 08:13:30,251 INFO L87 Difference]: Start difference. First operand 8606 states and 12126 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-13 08:13:33,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:13:33,168 INFO L93 Difference]: Finished difference Result 17638 states and 24928 transitions. [2024-10-13 08:13:33,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 08:13:33,168 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 195 [2024-10-13 08:13:33,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:13:33,205 INFO L225 Difference]: With dead ends: 17638 [2024-10-13 08:13:33,205 INFO L226 Difference]: Without dead ends: 9066 [2024-10-13 08:13:33,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-13 08:13:33,232 INFO L432 NwaCegarLoop]: 612 mSDtfsCounter, 857 mSDsluCounter, 1633 mSDsCounter, 0 mSdLazyCounter, 2492 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 898 SdHoareTripleChecker+Valid, 2245 SdHoareTripleChecker+Invalid, 2950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 2492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-13 08:13:33,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [898 Valid, 2245 Invalid, 2950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [458 Valid, 2492 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-13 08:13:33,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9066 states. [2024-10-13 08:13:33,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9066 to 8610. [2024-10-13 08:13:33,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8610 states, 6140 states have (on average 1.4099348534201954) internal successors, (8657), 6220 states have internal predecessors, (8657), 1708 states have call successors, (1708), 757 states have call predecessors, (1708), 759 states have return successors, (1765), 1689 states have call predecessors, (1765), 1701 states have call successors, (1765) [2024-10-13 08:13:33,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8610 states to 8610 states and 12130 transitions. [2024-10-13 08:13:33,863 INFO L78 Accepts]: Start accepts. Automaton has 8610 states and 12130 transitions. Word has length 195 [2024-10-13 08:13:33,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:13:33,864 INFO L471 AbstractCegarLoop]: Abstraction has 8610 states and 12130 transitions. [2024-10-13 08:13:33,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-13 08:13:33,864 INFO L276 IsEmpty]: Start isEmpty. Operand 8610 states and 12130 transitions. [2024-10-13 08:13:33,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-13 08:13:33,869 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:13:33,869 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-10-13 08:13:33,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 08:13:33,870 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting get_currentErr0ASSERT_VIOLATIONUNKNOWN === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-13 08:13:33,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:13:33,870 INFO L85 PathProgramCache]: Analyzing trace with hash 941976757, now seen corresponding path program 1 times [2024-10-13 08:13:33,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:13:33,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497350396] [2024-10-13 08:13:33,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:13:33,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:13:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:13:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:13:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:13:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:13:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:13:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:13:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:13:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 08:13:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 08:13:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 08:13:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 08:13:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 08:13:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 08:13:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 08:13:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 08:13:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 08:13:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 08:13:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 08:13:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 08:13:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:34,370 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2024-10-13 08:13:34,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:13:34,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497350396] [2024-10-13 08:13:34,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497350396] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 08:13:34,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244112716] [2024-10-13 08:13:34,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:13:34,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 08:13:34,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 08:13:34,374 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 08:13:34,377 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 08:13:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:35,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 2146 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 08:13:35,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 08:13:35,216 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-10-13 08:13:35,217 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 08:13:35,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244112716] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:13:35,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 08:13:35,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-10-13 08:13:35,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946017405] [2024-10-13 08:13:35,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:13:35,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 08:13:35,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:13:35,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 08:13:35,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-13 08:13:35,219 INFO L87 Difference]: Start difference. First operand 8610 states and 12130 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 08:13:35,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:13:35,952 INFO L93 Difference]: Finished difference Result 17168 states and 24274 transitions. [2024-10-13 08:13:35,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 08:13:35,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 204 [2024-10-13 08:13:35,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:13:35,992 INFO L225 Difference]: With dead ends: 17168 [2024-10-13 08:13:35,992 INFO L226 Difference]: Without dead ends: 8592 [2024-10-13 08:13:36,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-13 08:13:36,026 INFO L432 NwaCegarLoop]: 1165 mSDtfsCounter, 0 mSDsluCounter, 1158 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2323 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 08:13:36,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2323 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 08:13:36,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8592 states. [2024-10-13 08:13:36,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8592 to 8592. [2024-10-13 08:13:36,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8592 states, 6123 states have (on average 1.4084599052751918) internal successors, (8624), 6202 states have internal predecessors, (8624), 1708 states have call successors, (1708), 757 states have call predecessors, (1708), 759 states have return successors, (1765), 1689 states have call predecessors, (1765), 1701 states have call successors, (1765) [2024-10-13 08:13:36,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8592 states to 8592 states and 12097 transitions. [2024-10-13 08:13:36,716 INFO L78 Accepts]: Start accepts. Automaton has 8592 states and 12097 transitions. Word has length 204 [2024-10-13 08:13:36,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:13:36,717 INFO L471 AbstractCegarLoop]: Abstraction has 8592 states and 12097 transitions. [2024-10-13 08:13:36,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 08:13:36,718 INFO L276 IsEmpty]: Start isEmpty. Operand 8592 states and 12097 transitions. [2024-10-13 08:13:36,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-10-13 08:13:36,726 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:13:36,726 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-10-13 08:13:36,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 08:13:36,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-13 08:13:36,928 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-13 08:13:36,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:13:36,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1395180534, now seen corresponding path program 1 times [2024-10-13 08:13:36,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:13:36,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902591638] [2024-10-13 08:13:36,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:13:36,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:13:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:13:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:13:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:13:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:13:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:13:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:13:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:13:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 08:13:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 08:13:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 08:13:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 08:13:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 08:13:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 08:13:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 08:13:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 08:13:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 08:13:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 08:13:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 08:13:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 08:13:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 08:13:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 08:13:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 08:13:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:37,476 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2024-10-13 08:13:37,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:13:37,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902591638] [2024-10-13 08:13:37,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902591638] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 08:13:37,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127617818] [2024-10-13 08:13:37,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:13:37,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 08:13:37,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 08:13:37,480 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 08:13:37,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 08:13:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:38,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 2190 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 08:13:38,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 08:13:38,339 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2024-10-13 08:13:38,340 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 08:13:38,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127617818] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:13:38,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 08:13:38,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-10-13 08:13:38,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871975602] [2024-10-13 08:13:38,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:13:38,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 08:13:38,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:13:38,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 08:13:38,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-13 08:13:38,342 INFO L87 Difference]: Start difference. First operand 8592 states and 12097 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-10-13 08:13:38,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:13:38,978 INFO L93 Difference]: Finished difference Result 13370 states and 18762 transitions. [2024-10-13 08:13:38,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 08:13:38,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 219 [2024-10-13 08:13:38,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:13:39,001 INFO L225 Difference]: With dead ends: 13370 [2024-10-13 08:13:39,002 INFO L226 Difference]: Without dead ends: 4808 [2024-10-13 08:13:39,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-13 08:13:39,019 INFO L432 NwaCegarLoop]: 1173 mSDtfsCounter, 9 mSDsluCounter, 1161 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2334 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 08:13:39,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2334 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 08:13:39,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4808 states. [2024-10-13 08:13:39,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4808 to 4787. [2024-10-13 08:13:39,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4787 states, 3387 states have (on average 1.4009447888987305) internal successors, (4745), 3433 states have internal predecessors, (4745), 956 states have call successors, (956), 442 states have call predecessors, (956), 442 states have return successors, (981), 943 states have call predecessors, (981), 949 states have call successors, (981) [2024-10-13 08:13:39,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4787 states to 4787 states and 6682 transitions. [2024-10-13 08:13:39,312 INFO L78 Accepts]: Start accepts. Automaton has 4787 states and 6682 transitions. Word has length 219 [2024-10-13 08:13:39,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:13:39,313 INFO L471 AbstractCegarLoop]: Abstraction has 4787 states and 6682 transitions. [2024-10-13 08:13:39,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-10-13 08:13:39,313 INFO L276 IsEmpty]: Start isEmpty. Operand 4787 states and 6682 transitions. [2024-10-13 08:13:39,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-13 08:13:39,319 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:13:39,320 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2024-10-13 08:13:39,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 08:13:39,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-13 08:13:39,521 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-13 08:13:39,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:13:39,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1442888179, now seen corresponding path program 1 times [2024-10-13 08:13:39,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:13:39,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909325681] [2024-10-13 08:13:39,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:13:39,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:13:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:13:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:13:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:13:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:13:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:13:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:13:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:13:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 08:13:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 08:13:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 08:13:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 08:13:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 08:13:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 08:13:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 08:13:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 08:13:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 08:13:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 08:13:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 08:13:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 08:13:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 08:13:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:39,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:40,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 08:13:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:40,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-13 08:13:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:40,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-13 08:13:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:40,021 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2024-10-13 08:13:40,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:13:40,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909325681] [2024-10-13 08:13:40,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909325681] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 08:13:40,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654260288] [2024-10-13 08:13:40,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:13:40,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 08:13:40,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 08:13:40,024 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 08:13:40,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 08:13:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:40,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 2263 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 08:13:40,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 08:13:40,859 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 219 proven. 1 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-10-13 08:13:40,862 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 08:13:41,135 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2024-10-13 08:13:41,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654260288] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 08:13:41,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 08:13:41,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-10-13 08:13:41,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850375041] [2024-10-13 08:13:41,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 08:13:41,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 08:13:41,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:13:41,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 08:13:41,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-10-13 08:13:41,141 INFO L87 Difference]: Start difference. First operand 4787 states and 6682 transitions. Second operand has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 7 states have internal predecessors, (100), 5 states have call successors, (61), 6 states have call predecessors, (61), 2 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) [2024-10-13 08:13:45,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:13:45,046 INFO L93 Difference]: Finished difference Result 9650 states and 13523 transitions. [2024-10-13 08:13:45,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 08:13:45,047 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 7 states have internal predecessors, (100), 5 states have call successors, (61), 6 states have call predecessors, (61), 2 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) Word has length 233 [2024-10-13 08:13:45,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:13:45,076 INFO L225 Difference]: With dead ends: 9650 [2024-10-13 08:13:45,076 INFO L226 Difference]: Without dead ends: 5080 [2024-10-13 08:13:45,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 548 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-10-13 08:13:45,089 INFO L432 NwaCegarLoop]: 612 mSDtfsCounter, 1530 mSDsluCounter, 3174 mSDsCounter, 0 mSdLazyCounter, 4496 mSolverCounterSat, 1075 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1534 SdHoareTripleChecker+Valid, 3786 SdHoareTripleChecker+Invalid, 5571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1075 IncrementalHoareTripleChecker+Valid, 4496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-10-13 08:13:45,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1534 Valid, 3786 Invalid, 5571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1075 Valid, 4496 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-10-13 08:13:45,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5080 states. [2024-10-13 08:13:45,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5080 to 4847. [2024-10-13 08:13:45,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4847 states, 3423 states have (on average 1.3967280163599183) internal successors, (4781), 3469 states have internal predecessors, (4781), 980 states have call successors, (980), 442 states have call predecessors, (980), 442 states have return successors, (1005), 967 states have call predecessors, (1005), 973 states have call successors, (1005) [2024-10-13 08:13:45,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4847 states to 4847 states and 6766 transitions. [2024-10-13 08:13:45,454 INFO L78 Accepts]: Start accepts. Automaton has 4847 states and 6766 transitions. Word has length 233 [2024-10-13 08:13:45,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:13:45,455 INFO L471 AbstractCegarLoop]: Abstraction has 4847 states and 6766 transitions. [2024-10-13 08:13:45,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 7 states have internal predecessors, (100), 5 states have call successors, (61), 6 states have call predecessors, (61), 2 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) [2024-10-13 08:13:45,456 INFO L276 IsEmpty]: Start isEmpty. Operand 4847 states and 6766 transitions. [2024-10-13 08:13:45,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-13 08:13:45,462 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:13:45,462 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 4, 4, 4, 4, 4, 4, 4, 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] [2024-10-13 08:13:45,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 08:13:45,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 08:13:45,663 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-13 08:13:45,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:13:45,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1225967565, now seen corresponding path program 2 times [2024-10-13 08:13:45,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:13:45,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893535695] [2024-10-13 08:13:45,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:13:45,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:13:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:13:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:13:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:13:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:13:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:13:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:13:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:13:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 08:13:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 08:13:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 08:13:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 08:13:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 08:13:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 08:13:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 08:13:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 08:13:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 08:13:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 08:13:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 08:13:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-13 08:13:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 08:13:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 08:13:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 08:13:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 08:13:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 08:13:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 08:13:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 08:13:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:13:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:13:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 08:13:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 08:13:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-13 08:13:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:13:46,453 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-10-13 08:13:46,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:13:46,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893535695] [2024-10-13 08:13:46,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893535695] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:13:46,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:13:46,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 08:13:46,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891889408] [2024-10-13 08:13:46,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:13:46,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 08:13:46,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:13:46,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 08:13:46,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-13 08:13:46,456 INFO L87 Difference]: Start difference. First operand 4847 states and 6766 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26)