./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.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 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:10:36,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:10:36,481 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:10:36,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:10:36,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:10:36,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:10:36,525 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:10:36,526 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:10:36,526 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:10:36,527 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:10:36,527 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:10:36,527 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:10:36,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:10:36,530 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:10:36,531 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:10:36,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:10:36,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:10:36,532 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:10:36,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:10:36,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:10:36,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:10:36,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:10:36,537 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:10:36,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:10:36,537 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:10:36,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:10:36,537 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:10:36,538 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:10:36,538 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:10:36,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:10:36,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:10:36,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:10:36,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:10:36,539 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:10:36,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:10:36,539 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:10:36,539 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:10:36,540 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:10:36,540 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:10:36,542 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b [2024-11-19 03:10:36,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:10:36,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:10:36,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:10:36,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:10:36,838 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:10:36,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2024-11-19 03:10:38,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:10:38,751 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:10:38,752 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2024-11-19 03:10:38,789 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d97ed8bf/4d8bb2250a0e41379abec204993de8d7/FLAG67e2e412e [2024-11-19 03:10:38,808 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d97ed8bf/4d8bb2250a0e41379abec204993de8d7 [2024-11-19 03:10:38,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:10:38,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:10:38,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:10:38,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:10:38,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:10:38,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:38" (1/1) ... [2024-11-19 03:10:38,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d866b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:38, skipping insertion in model container [2024-11-19 03:10:38,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:38" (1/1) ... [2024-11-19 03:10:38,924 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:10:39,976 WARN L250 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2024-11-19 03:10:40,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:10:40,149 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:10:40,232 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; incl %0": "+m" (v->counter)); [2827] [2024-11-19 03:10:40,234 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; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [2834-2835] [2024-11-19 03:10:40,349 WARN L250 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2024-11-19 03:10:40,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:10:40,432 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:10:40,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:40 WrapperNode [2024-11-19 03:10:40,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:10:40,434 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:10:40,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:10:40,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:10:40,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:40" (1/1) ... [2024-11-19 03:10:40,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:40" (1/1) ... [2024-11-19 03:10:40,741 INFO L138 Inliner]: procedures = 146, calls = 1519, calls flagged for inlining = 50, calls inlined = 42, statements flattened = 2430 [2024-11-19 03:10:40,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:10:40,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:10:40,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:10:40,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:10:40,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:40" (1/1) ... [2024-11-19 03:10:40,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:40" (1/1) ... [2024-11-19 03:10:40,784 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:40" (1/1) ... [2024-11-19 03:10:40,904 INFO L175 MemorySlicer]: Split 1097 memory accesses to 21 slices as follows [392, 2, 28, 6, 5, 1, 11, 1, 6, 11, 3, 3, 5, 31, 512, 13, 1, 29, 2, 24, 11]. 47 percent of accesses are in the largest equivalence class. The 797 initializations are split as follows [176, 2, 0, 0, 5, 1, 11, 0, 6, 11, 3, 0, 0, 24, 512, 13, 0, 29, 0, 0, 4]. The 201 writes are split as follows [139, 0, 28, 5, 0, 0, 0, 0, 0, 0, 0, 2, 1, 0, 0, 0, 0, 0, 2, 24, 0]. [2024-11-19 03:10:40,908 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:40" (1/1) ... [2024-11-19 03:10:40,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:40" (1/1) ... [2024-11-19 03:10:40,988 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:40" (1/1) ... [2024-11-19 03:10:41,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:40" (1/1) ... [2024-11-19 03:10:41,020 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:40" (1/1) ... [2024-11-19 03:10:41,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:40" (1/1) ... [2024-11-19 03:10:41,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:10:41,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:10:41,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:10:41,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:10:41,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:40" (1/1) ... [2024-11-19 03:10:41,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:10:41,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:10:41,115 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) [2024-11-19 03:10:41,118 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 [2024-11-19 03:10:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-11-19 03:10:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-11-19 03:10:41,167 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-11-19 03:10:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-11-19 03:10:41,167 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-11-19 03:10:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-11-19 03:10:41,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pt_mutex [2024-11-19 03:10:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pt_mutex [2024-11-19 03:10:41,169 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-11-19 03:10:41,169 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-11-19 03:10:41,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:10:41,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:10:41,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:10:41,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:10:41,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:10:41,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:10:41,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:10:41,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:10:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:10:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:10:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 03:10:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 03:10:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 03:10:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 03:10:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-19 03:10:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-19 03:10:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-19 03:10:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-19 03:10:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-19 03:10:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-19 03:10:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-19 03:10:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:10:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:10:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:10:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:10:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:10:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:10:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:10:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:10:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:10:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:10:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 03:10:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 03:10:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 03:10:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 03:10:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-19 03:10:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-19 03:10:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-19 03:10:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-19 03:10:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-19 03:10:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-19 03:10:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-19 03:10:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:10:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:10:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:10:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:10:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:10:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:10:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:10:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:10:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:10:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:10:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 03:10:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 03:10:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 03:10:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 03:10:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 03:10:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-19 03:10:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-19 03:10:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-19 03:10:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-19 03:10:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-19 03:10:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-19 03:10:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2024-11-19 03:10:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2024-11-19 03:10:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-11-19 03:10:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-11-19 03:10:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2024-11-19 03:10:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2024-11-19 03:10:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:10:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:10:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2024-11-19 03:10:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2024-11-19 03:10:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2024-11-19 03:10:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2024-11-19 03:10:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2024-11-19 03:10:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2024-11-19 03:10:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:10:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:10:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:10:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:10:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:10:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:10:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:10:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:10:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:10:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:10:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 03:10:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 03:10:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 03:10:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 03:10:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 03:10:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-19 03:10:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-19 03:10:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-19 03:10:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-19 03:10:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-19 03:10:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-19 03:10:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-19 03:10:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-19 03:10:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write [2024-11-19 03:10:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write [2024-11-19 03:10:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:10:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:10:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 03:10:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 03:10:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2024-11-19 03:10:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2024-11-19 03:10:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:10:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2024-11-19 03:10:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2024-11-19 03:10:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pt_mutex [2024-11-19 03:10:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pt_mutex [2024-11-19 03:10:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-19 03:10:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-19 03:10:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2024-11-19 03:10:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2024-11-19 03:10:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-19 03:10:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-19 03:10:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:10:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_17 [2024-11-19 03:10:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_17 [2024-11-19 03:10:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-19 03:10:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-19 03:10:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-19 03:10:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-19 03:10:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:10:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:10:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:10:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:10:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:10:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:10:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:10:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:10:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:10:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:10:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 03:10:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 03:10:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 03:10:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 03:10:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 03:10:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-19 03:10:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-19 03:10:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-19 03:10:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-19 03:10:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-19 03:10:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-19 03:10:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:10:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2024-11-19 03:10:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2024-11-19 03:10:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2024-11-19 03:10:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2024-11-19 03:10:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:10:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:10:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:10:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:10:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:10:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:10:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:10:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:10:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:10:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:10:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 03:10:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 03:10:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 03:10:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 03:10:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 03:10:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-19 03:10:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-19 03:10:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-19 03:10:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-19 03:10:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-19 03:10:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-19 03:10:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2024-11-19 03:10:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2024-11-19 03:10:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2024-11-19 03:10:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2024-11-19 03:10:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2024-11-19 03:10:41,193 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2024-11-19 03:10:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2024-11-19 03:10:41,193 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2024-11-19 03:10:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:10:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 03:10:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 03:10:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 03:10:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 03:10:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 03:10:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 03:10:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 03:10:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 03:10:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 03:10:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 03:10:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 03:10:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 03:10:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 03:10:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 03:10:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-19 03:10:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-19 03:10:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-19 03:10:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-19 03:10:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-19 03:10:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-19 03:10:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-19 03:10:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-11-19 03:10:41,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-11-19 03:10:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-11-19 03:10:41,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-11-19 03:10:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-19 03:10:41,194 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-19 03:10:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 03:10:41,194 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 03:10:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2024-11-19 03:10:41,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2024-11-19 03:10:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-11-19 03:10:41,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-11-19 03:10:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2024-11-19 03:10:41,195 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2024-11-19 03:10:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2024-11-19 03:10:41,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2024-11-19 03:10:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:10:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:10:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:10:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:10:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:10:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:10:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:10:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:10:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:10:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:10:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 03:10:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 03:10:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 03:10:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 03:10:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 03:10:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 03:10:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-19 03:10:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-19 03:10:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-19 03:10:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-19 03:10:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-19 03:10:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2024-11-19 03:10:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2024-11-19 03:10:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2024-11-19 03:10:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2024-11-19 03:10:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2024-11-19 03:10:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2024-11-19 03:10:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-19 03:10:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-19 03:10:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:10:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:10:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2024-11-19 03:10:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2024-11-19 03:10:41,772 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:10:41,775 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:10:54,311 INFO L? ?]: Removed 709 outVars from TransFormulas that were not future-live. [2024-11-19 03:10:54,312 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:10:54,342 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:10:54,343 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-19 03:10:54,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:54 BoogieIcfgContainer [2024-11-19 03:10:54,343 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:10:54,346 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:10:54,346 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:10:54,349 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:10:54,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:10:38" (1/3) ... [2024-11-19 03:10:54,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c17f2c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:10:54, skipping insertion in model container [2024-11-19 03:10:54,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:40" (2/3) ... [2024-11-19 03:10:54,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c17f2c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:10:54, skipping insertion in model container [2024-11-19 03:10:54,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:54" (3/3) ... [2024-11-19 03:10:54,353 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2024-11-19 03:10:54,371 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:10:54,371 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:10:54,475 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:10:54,484 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;@33e11743, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:10:54,485 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:10:54,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 874 states, 641 states have (on average 1.3868954758190328) internal successors, (889), 662 states have internal predecessors, (889), 191 states have call successors, (191), 44 states have call predecessors, (191), 44 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) [2024-11-19 03:10:54,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-19 03:10:54,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:10:54,506 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:10:54,508 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:10:54,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:10:54,514 INFO L85 PathProgramCache]: Analyzing trace with hash 209911258, now seen corresponding path program 1 times [2024-11-19 03:10:54,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:10:54,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954629394] [2024-11-19 03:10:54,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:10:54,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:10:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:10:55,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:10:55,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:10:55,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954629394] [2024-11-19 03:10:55,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954629394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:10:55,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:10:55,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:10:55,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664542009] [2024-11-19 03:10:55,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:10:55,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:10:55,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:10:55,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:10:55,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:10:55,953 INFO L87 Difference]: Start difference. First operand has 874 states, 641 states have (on average 1.3868954758190328) internal successors, (889), 662 states have internal predecessors, (889), 191 states have call successors, (191), 44 states have call predecessors, (191), 44 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 03:10:56,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:10:56,447 INFO L93 Difference]: Finished difference Result 2136 states and 3161 transitions. [2024-11-19 03:10:56,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:10:56,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-19 03:10:56,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:10:56,482 INFO L225 Difference]: With dead ends: 2136 [2024-11-19 03:10:56,482 INFO L226 Difference]: Without dead ends: 1257 [2024-11-19 03:10:56,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:10:56,501 INFO L432 NwaCegarLoop]: 1561 mSDtfsCounter, 572 mSDsluCounter, 1192 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 2753 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 03:10:56,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 2753 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 03:10:56,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2024-11-19 03:10:56,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1221. [2024-11-19 03:10:56,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 887 states have (on average 1.3664036076662909) internal successors, (1212), 908 states have internal predecessors, (1212), 266 states have call successors, (266), 68 states have call predecessors, (266), 67 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2024-11-19 03:10:56,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1738 transitions. [2024-11-19 03:10:56,668 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1738 transitions. Word has length 19 [2024-11-19 03:10:56,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:10:56,669 INFO L471 AbstractCegarLoop]: Abstraction has 1221 states and 1738 transitions. [2024-11-19 03:10:56,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 03:10:56,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1738 transitions. [2024-11-19 03:10:56,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-19 03:10:56,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:10:56,673 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:10:56,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 03:10:56,674 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:10:56,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:10:56,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1258273715, now seen corresponding path program 1 times [2024-11-19 03:10:56,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:10:56,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674225474] [2024-11-19 03:10:56,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:10:56,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:10:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:10:57,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:10:57,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:10:57,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674225474] [2024-11-19 03:10:57,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674225474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:10:57,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:10:57,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 03:10:57,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134197095] [2024-11-19 03:10:57,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:10:57,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:10:57,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:10:57,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:10:57,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:10:57,526 INFO L87 Difference]: Start difference. First operand 1221 states and 1738 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 03:10:57,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:10:57,603 INFO L93 Difference]: Finished difference Result 2439 states and 3473 transitions. [2024-11-19 03:10:57,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:10:57,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-19 03:10:57,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:10:57,614 INFO L225 Difference]: With dead ends: 2439 [2024-11-19 03:10:57,615 INFO L226 Difference]: Without dead ends: 1221 [2024-11-19 03:10:57,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:10:57,622 INFO L432 NwaCegarLoop]: 1225 mSDtfsCounter, 1216 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1216 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:10:57,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1216 Valid, 1225 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:10:57,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2024-11-19 03:10:57,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1221. [2024-11-19 03:10:57,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 887 states have (on average 1.3641488162344984) internal successors, (1210), 908 states have internal predecessors, (1210), 266 states have call successors, (266), 68 states have call predecessors, (266), 67 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2024-11-19 03:10:57,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1736 transitions. [2024-11-19 03:10:57,697 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1736 transitions. Word has length 19 [2024-11-19 03:10:57,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:10:57,698 INFO L471 AbstractCegarLoop]: Abstraction has 1221 states and 1736 transitions. [2024-11-19 03:10:57,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 03:10:57,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1736 transitions. [2024-11-19 03:10:57,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-19 03:10:57,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:10:57,702 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:10:57,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:10:57,703 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:10:57,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:10:57,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1011013939, now seen corresponding path program 1 times [2024-11-19 03:10:57,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:10:57,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779264046] [2024-11-19 03:10:57,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:10:57,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:10:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:10:58,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:10:58,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:10:58,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779264046] [2024-11-19 03:10:58,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779264046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:10:58,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:10:58,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:10:58,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881520214] [2024-11-19 03:10:58,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:10:58,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:10:58,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:10:58,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:10:58,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:10:58,669 INFO L87 Difference]: Start difference. First operand 1221 states and 1736 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 03:11:02,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:11:02,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:11:02,863 INFO L93 Difference]: Finished difference Result 3133 states and 4464 transitions. [2024-11-19 03:11:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:11:02,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-19 03:11:02,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:11:02,879 INFO L225 Difference]: With dead ends: 3133 [2024-11-19 03:11:02,879 INFO L226 Difference]: Without dead ends: 1915 [2024-11-19 03:11:02,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:11:02,891 INFO L432 NwaCegarLoop]: 1317 mSDtfsCounter, 1162 mSDsluCounter, 1015 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 2332 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:11:02,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 2332 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:11:02,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1915 states. [2024-11-19 03:11:03,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1915 to 1911. [2024-11-19 03:11:03,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1911 states, 1396 states have (on average 1.3681948424068768) internal successors, (1910), 1425 states have internal predecessors, (1910), 409 states have call successors, (409), 106 states have call predecessors, (409), 105 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-19 03:11:03,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1911 states and 2722 transitions. [2024-11-19 03:11:03,040 INFO L78 Accepts]: Start accepts. Automaton has 1911 states and 2722 transitions. Word has length 25 [2024-11-19 03:11:03,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:11:03,041 INFO L471 AbstractCegarLoop]: Abstraction has 1911 states and 2722 transitions. [2024-11-19 03:11:03,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 03:11:03,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2722 transitions. [2024-11-19 03:11:03,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-19 03:11:03,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:11:03,047 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:11:03,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:11:03,047 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:11:03,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:11:03,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1779130142, now seen corresponding path program 1 times [2024-11-19 03:11:03,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:11:03,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500717594] [2024-11-19 03:11:03,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:03,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:11:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:03,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:11:03,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:11:03,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500717594] [2024-11-19 03:11:03,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500717594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:11:03,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:11:03,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:11:03,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150575118] [2024-11-19 03:11:03,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:11:03,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:11:03,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:11:03,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:11:03,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:11:03,847 INFO L87 Difference]: Start difference. First operand 1911 states and 2722 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 03:11:04,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:11:04,064 INFO L93 Difference]: Finished difference Result 3847 states and 5485 transitions. [2024-11-19 03:11:04,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:11:04,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-11-19 03:11:04,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:11:04,088 INFO L225 Difference]: With dead ends: 3847 [2024-11-19 03:11:04,088 INFO L226 Difference]: Without dead ends: 1939 [2024-11-19 03:11:04,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:11:04,099 INFO L432 NwaCegarLoop]: 1220 mSDtfsCounter, 14 mSDsluCounter, 1216 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2436 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:11:04,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2436 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:11:04,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2024-11-19 03:11:04,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1913. [2024-11-19 03:11:04,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1913 states, 1398 states have (on average 1.3676680972818311) internal successors, (1912), 1427 states have internal predecessors, (1912), 409 states have call successors, (409), 106 states have call predecessors, (409), 105 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-19 03:11:04,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 2724 transitions. [2024-11-19 03:11:04,228 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 2724 transitions. Word has length 29 [2024-11-19 03:11:04,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:11:04,229 INFO L471 AbstractCegarLoop]: Abstraction has 1913 states and 2724 transitions. [2024-11-19 03:11:04,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 03:11:04,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2724 transitions. [2024-11-19 03:11:04,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-19 03:11:04,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:11:04,230 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:11:04,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:11:04,231 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:11:04,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:11:04,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1546037575, now seen corresponding path program 1 times [2024-11-19 03:11:04,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:11:04,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349994195] [2024-11-19 03:11:04,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:04,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:11:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:04,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 03:11:04,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:11:04,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349994195] [2024-11-19 03:11:04,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349994195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:11:04,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:11:04,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:11:04,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117816337] [2024-11-19 03:11:04,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:11:04,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:11:04,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:11:04,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:11:04,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:11:04,988 INFO L87 Difference]: Start difference. First operand 1913 states and 2724 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 03:11:05,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:11:05,080 INFO L93 Difference]: Finished difference Result 3837 states and 5467 transitions. [2024-11-19 03:11:05,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:11:05,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-19 03:11:05,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:11:05,097 INFO L225 Difference]: With dead ends: 3837 [2024-11-19 03:11:05,097 INFO L226 Difference]: Without dead ends: 1927 [2024-11-19 03:11:05,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:11:05,109 INFO L432 NwaCegarLoop]: 1224 mSDtfsCounter, 1 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2445 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:11:05,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2445 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:11:05,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1927 states. [2024-11-19 03:11:05,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1927 to 1927. [2024-11-19 03:11:05,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1927 states, 1412 states have (on average 1.368271954674221) internal successors, (1932), 1441 states have internal predecessors, (1932), 409 states have call successors, (409), 106 states have call predecessors, (409), 105 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-19 03:11:05,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 1927 states and 2744 transitions. [2024-11-19 03:11:05,204 INFO L78 Accepts]: Start accepts. Automaton has 1927 states and 2744 transitions. Word has length 35 [2024-11-19 03:11:05,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:11:05,205 INFO L471 AbstractCegarLoop]: Abstraction has 1927 states and 2744 transitions. [2024-11-19 03:11:05,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 03:11:05,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1927 states and 2744 transitions. [2024-11-19 03:11:05,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-19 03:11:05,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:11:05,209 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:11:05,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:11:05,209 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:11:05,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:11:05,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1041137428, now seen corresponding path program 1 times [2024-11-19 03:11:05,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:11:05,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256181613] [2024-11-19 03:11:05,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:05,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:11:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:06,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:11:06,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:11:06,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256181613] [2024-11-19 03:11:06,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256181613] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:11:06,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307045502] [2024-11-19 03:11:06,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:06,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:11:06,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:11:06,126 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) [2024-11-19 03:11:06,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 03:11:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:07,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 2781 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 03:11:07,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:11:07,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 03:11:07,391 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:11:07,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307045502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:11:07,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:11:07,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-19 03:11:07,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911484560] [2024-11-19 03:11:07,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:11:07,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:11:07,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:11:07,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:11:07,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:07,395 INFO L87 Difference]: Start difference. First operand 1927 states and 2744 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 03:11:07,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:11:07,499 INFO L93 Difference]: Finished difference Result 3899 states and 5563 transitions. [2024-11-19 03:11:07,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:11:07,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2024-11-19 03:11:07,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:11:07,515 INFO L225 Difference]: With dead ends: 3899 [2024-11-19 03:11:07,516 INFO L226 Difference]: Without dead ends: 1975 [2024-11-19 03:11:07,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:07,526 INFO L432 NwaCegarLoop]: 1223 mSDtfsCounter, 13 mSDsluCounter, 1218 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2441 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:11:07,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2441 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:11:07,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2024-11-19 03:11:07,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1975. [2024-11-19 03:11:07,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1975 states, 1448 states have (on average 1.3701657458563536) internal successors, (1984), 1477 states have internal predecessors, (1984), 421 states have call successors, (421), 106 states have call predecessors, (421), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2024-11-19 03:11:07,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 2820 transitions. [2024-11-19 03:11:07,653 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 2820 transitions. Word has length 41 [2024-11-19 03:11:07,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:11:07,655 INFO L471 AbstractCegarLoop]: Abstraction has 1975 states and 2820 transitions. [2024-11-19 03:11:07,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 03:11:07,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2820 transitions. [2024-11-19 03:11:07,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-19 03:11:07,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:11:07,657 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 03:11:07,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 03:11:07,857 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,SelfDestructingSolverStorable5 [2024-11-19 03:11:07,858 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:11:07,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:11:07,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1529182199, now seen corresponding path program 1 times [2024-11-19 03:11:07,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:11:07,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091896562] [2024-11-19 03:11:07,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:07,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:11:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:08,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 03:11:08,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:11:08,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091896562] [2024-11-19 03:11:08,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091896562] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:11:08,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415023011] [2024-11-19 03:11:08,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:08,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:11:08,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:11:08,803 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) [2024-11-19 03:11:08,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 03:11:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:09,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 2803 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 03:11:09,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:11:10,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 03:11:10,102 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:11:10,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415023011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:11:10,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:11:10,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-19 03:11:10,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128859111] [2024-11-19 03:11:10,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:11:10,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:11:10,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:11:10,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:11:10,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:10,104 INFO L87 Difference]: Start difference. First operand 1975 states and 2820 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 03:11:14,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:11:14,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:11:14,238 INFO L93 Difference]: Finished difference Result 1977 states and 2821 transitions. [2024-11-19 03:11:14,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:11:14,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2024-11-19 03:11:14,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:11:14,253 INFO L225 Difference]: With dead ends: 1977 [2024-11-19 03:11:14,253 INFO L226 Difference]: Without dead ends: 1974 [2024-11-19 03:11:14,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:14,256 INFO L432 NwaCegarLoop]: 1223 mSDtfsCounter, 1183 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1183 SdHoareTripleChecker+Valid, 1223 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:11:14,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1183 Valid, 1223 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:11:14,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1974 states. [2024-11-19 03:11:14,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1974 to 1974. [2024-11-19 03:11:14,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1974 states, 1448 states have (on average 1.3694751381215469) internal successors, (1983), 1476 states have internal predecessors, (1983), 420 states have call successors, (420), 106 states have call predecessors, (420), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2024-11-19 03:11:14,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 2818 transitions. [2024-11-19 03:11:14,347 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 2818 transitions. Word has length 46 [2024-11-19 03:11:14,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:11:14,347 INFO L471 AbstractCegarLoop]: Abstraction has 1974 states and 2818 transitions. [2024-11-19 03:11:14,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 03:11:14,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2818 transitions. [2024-11-19 03:11:14,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-19 03:11:14,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:11:14,349 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 03:11:14,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 03:11:14,549 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,SelfDestructingSolverStorable6 [2024-11-19 03:11:14,550 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:11:14,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:11:14,550 INFO L85 PathProgramCache]: Analyzing trace with hash -160390452, now seen corresponding path program 1 times [2024-11-19 03:11:14,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:11:14,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402391626] [2024-11-19 03:11:14,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:14,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:11:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:15,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 03:11:15,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:11:15,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402391626] [2024-11-19 03:11:15,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402391626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:11:15,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22074085] [2024-11-19 03:11:15,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:15,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:11:15,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:11:15,277 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) [2024-11-19 03:11:15,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 03:11:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:16,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 2805 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 03:11:16,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:11:16,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 03:11:16,575 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:11:16,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22074085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:11:16,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:11:16,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-19 03:11:16,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458364215] [2024-11-19 03:11:16,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:11:16,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:11:16,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:11:16,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:11:16,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:16,577 INFO L87 Difference]: Start difference. First operand 1974 states and 2818 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 03:11:20,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:11:20,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:11:20,693 INFO L93 Difference]: Finished difference Result 1976 states and 2819 transitions. [2024-11-19 03:11:20,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:11:20,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2024-11-19 03:11:20,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:11:20,708 INFO L225 Difference]: With dead ends: 1976 [2024-11-19 03:11:20,708 INFO L226 Difference]: Without dead ends: 1973 [2024-11-19 03:11:20,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:20,711 INFO L432 NwaCegarLoop]: 1221 mSDtfsCounter, 1180 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:11:20,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 1221 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:11:20,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2024-11-19 03:11:20,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1973. [2024-11-19 03:11:20,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1973 states, 1448 states have (on average 1.3687845303867403) internal successors, (1982), 1475 states have internal predecessors, (1982), 419 states have call successors, (419), 106 states have call predecessors, (419), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2024-11-19 03:11:20,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1973 states and 2816 transitions. [2024-11-19 03:11:20,813 INFO L78 Accepts]: Start accepts. Automaton has 1973 states and 2816 transitions. Word has length 47 [2024-11-19 03:11:20,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:11:20,815 INFO L471 AbstractCegarLoop]: Abstraction has 1973 states and 2816 transitions. [2024-11-19 03:11:20,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 03:11:20,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1973 states and 2816 transitions. [2024-11-19 03:11:20,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-19 03:11:20,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:11:20,817 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 03:11:20,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 03:11:21,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:11:21,018 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:11:21,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:11:21,019 INFO L85 PathProgramCache]: Analyzing trace with hash -677514388, now seen corresponding path program 1 times [2024-11-19 03:11:21,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:11:21,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522157103] [2024-11-19 03:11:21,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:21,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:11:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:21,802 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 03:11:21,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:11:21,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522157103] [2024-11-19 03:11:21,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522157103] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:11:21,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502947854] [2024-11-19 03:11:21,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:21,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:11:21,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:11:21,805 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:11:21,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 03:11:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:22,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 2807 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 03:11:22,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:11:23,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 03:11:23,046 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:11:23,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502947854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:11:23,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:11:23,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-19 03:11:23,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275645225] [2024-11-19 03:11:23,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:11:23,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:11:23,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:11:23,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:11:23,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:23,049 INFO L87 Difference]: Start difference. First operand 1973 states and 2816 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 03:11:27,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:11:27,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:11:27,180 INFO L93 Difference]: Finished difference Result 1975 states and 2817 transitions. [2024-11-19 03:11:27,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:11:27,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-11-19 03:11:27,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:11:27,195 INFO L225 Difference]: With dead ends: 1975 [2024-11-19 03:11:27,196 INFO L226 Difference]: Without dead ends: 1972 [2024-11-19 03:11:27,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:27,199 INFO L432 NwaCegarLoop]: 1219 mSDtfsCounter, 1177 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:11:27,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1177 Valid, 1219 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:11:27,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1972 states. [2024-11-19 03:11:27,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1972 to 1972. [2024-11-19 03:11:27,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1972 states, 1448 states have (on average 1.3680939226519337) internal successors, (1981), 1474 states have internal predecessors, (1981), 418 states have call successors, (418), 106 states have call predecessors, (418), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2024-11-19 03:11:27,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1972 states and 2814 transitions. [2024-11-19 03:11:27,304 INFO L78 Accepts]: Start accepts. Automaton has 1972 states and 2814 transitions. Word has length 48 [2024-11-19 03:11:27,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:11:27,307 INFO L471 AbstractCegarLoop]: Abstraction has 1972 states and 2814 transitions. [2024-11-19 03:11:27,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 03:11:27,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2814 transitions. [2024-11-19 03:11:27,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-19 03:11:27,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:11:27,308 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 03:11:27,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 03:11:27,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:11:27,509 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:11:27,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:11:27,510 INFO L85 PathProgramCache]: Analyzing trace with hash 471517647, now seen corresponding path program 1 times [2024-11-19 03:11:27,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:11:27,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859180446] [2024-11-19 03:11:27,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:27,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:11:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:28,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 03:11:28,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:11:28,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859180446] [2024-11-19 03:11:28,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859180446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:11:28,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332666704] [2024-11-19 03:11:28,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:28,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:11:28,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:11:28,170 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:11:28,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 03:11:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:29,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 2809 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 03:11:29,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:11:29,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 03:11:29,301 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:11:29,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332666704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:11:29,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:11:29,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-19 03:11:29,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064404072] [2024-11-19 03:11:29,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:11:29,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:11:29,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:11:29,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:11:29,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:29,303 INFO L87 Difference]: Start difference. First operand 1972 states and 2814 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 03:11:33,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:11:33,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:11:33,466 INFO L93 Difference]: Finished difference Result 2519 states and 3538 transitions. [2024-11-19 03:11:33,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:11:33,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2024-11-19 03:11:33,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:11:33,485 INFO L225 Difference]: With dead ends: 2519 [2024-11-19 03:11:33,486 INFO L226 Difference]: Without dead ends: 2474 [2024-11-19 03:11:33,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:33,490 INFO L432 NwaCegarLoop]: 1392 mSDtfsCounter, 1082 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1082 SdHoareTripleChecker+Valid, 1896 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:11:33,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1082 Valid, 1896 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:11:33,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2474 states. [2024-11-19 03:11:33,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2474 to 2474. [2024-11-19 03:11:33,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2474 states, 1785 states have (on average 1.3478991596638656) internal successors, (2406), 1820 states have internal predecessors, (2406), 536 states have call successors, (536), 153 states have call predecessors, (536), 152 states have return successors, (535), 535 states have call predecessors, (535), 535 states have call successors, (535) [2024-11-19 03:11:33,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2474 states and 3477 transitions. [2024-11-19 03:11:33,636 INFO L78 Accepts]: Start accepts. Automaton has 2474 states and 3477 transitions. Word has length 49 [2024-11-19 03:11:33,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:11:33,637 INFO L471 AbstractCegarLoop]: Abstraction has 2474 states and 3477 transitions. [2024-11-19 03:11:33,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 03:11:33,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 3477 transitions. [2024-11-19 03:11:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-19 03:11:33,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:11:33,642 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-19 03:11:33,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 03:11:33,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-19 03:11:33,843 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:11:33,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:11:33,844 INFO L85 PathProgramCache]: Analyzing trace with hash -10261985, now seen corresponding path program 1 times [2024-11-19 03:11:33,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:11:33,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183073238] [2024-11-19 03:11:33,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:33,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:11:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:34,566 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 03:11:34,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:11:34,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183073238] [2024-11-19 03:11:34,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183073238] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:11:34,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12643331] [2024-11-19 03:11:34,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:34,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:11:34,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:11:34,569 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:11:34,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 03:11:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:35,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 3030 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 03:11:35,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:11:35,760 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-19 03:11:35,761 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:11:35,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12643331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:11:35,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:11:35,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-19 03:11:35,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354372891] [2024-11-19 03:11:35,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:11:35,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:11:35,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:11:35,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:11:35,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:35,763 INFO L87 Difference]: Start difference. First operand 2474 states and 3477 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 03:11:35,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:11:35,952 INFO L93 Difference]: Finished difference Result 4965 states and 6982 transitions. [2024-11-19 03:11:35,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:11:35,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 81 [2024-11-19 03:11:35,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:11:35,971 INFO L225 Difference]: With dead ends: 4965 [2024-11-19 03:11:35,972 INFO L226 Difference]: Without dead ends: 2494 [2024-11-19 03:11:35,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:35,984 INFO L432 NwaCegarLoop]: 1154 mSDtfsCounter, 21 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 2302 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:11:35,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 2302 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:11:35,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2494 states. [2024-11-19 03:11:36,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2494 to 2476. [2024-11-19 03:11:36,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2476 states, 1787 states have (on average 1.3475097929490767) internal successors, (2408), 1822 states have internal predecessors, (2408), 536 states have call successors, (536), 153 states have call predecessors, (536), 152 states have return successors, (535), 535 states have call predecessors, (535), 535 states have call successors, (535) [2024-11-19 03:11:36,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2476 states and 3479 transitions. [2024-11-19 03:11:36,120 INFO L78 Accepts]: Start accepts. Automaton has 2476 states and 3479 transitions. Word has length 81 [2024-11-19 03:11:36,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:11:36,120 INFO L471 AbstractCegarLoop]: Abstraction has 2476 states and 3479 transitions. [2024-11-19 03:11:36,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 03:11:36,121 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 3479 transitions. [2024-11-19 03:11:36,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-19 03:11:36,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:11:36,124 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-19 03:11:36,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 03:11:36,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:11:36,325 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:11:36,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:11:36,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1630161324, now seen corresponding path program 1 times [2024-11-19 03:11:36,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:11:36,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809082562] [2024-11-19 03:11:36,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:36,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:11:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:36,985 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-19 03:11:36,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:11:36,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809082562] [2024-11-19 03:11:36,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809082562] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:11:36,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424024740] [2024-11-19 03:11:36,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:36,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:11:36,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:11:36,988 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:11:36,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 03:11:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:38,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 3037 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 03:11:38,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:11:38,215 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-19 03:11:38,215 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:11:38,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424024740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:11:38,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:11:38,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-19 03:11:38,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563107189] [2024-11-19 03:11:38,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:11:38,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:11:38,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:11:38,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:11:38,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:38,218 INFO L87 Difference]: Start difference. First operand 2476 states and 3479 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 03:11:42,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:11:42,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:11:42,388 INFO L93 Difference]: Finished difference Result 4231 states and 5930 transitions. [2024-11-19 03:11:42,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:11:42,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 85 [2024-11-19 03:11:42,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:11:42,404 INFO L225 Difference]: With dead ends: 4231 [2024-11-19 03:11:42,404 INFO L226 Difference]: Without dead ends: 1756 [2024-11-19 03:11:42,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:42,417 INFO L432 NwaCegarLoop]: 1171 mSDtfsCounter, 0 mSDsluCounter, 1166 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2337 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:11:42,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2337 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:11:42,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1756 states. [2024-11-19 03:11:42,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1756 to 1756. [2024-11-19 03:11:42,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1756 states, 1267 states have (on average 1.3393843725335437) internal successors, (1697), 1293 states have internal predecessors, (1697), 377 states have call successors, (377), 112 states have call predecessors, (377), 111 states have return successors, (376), 376 states have call predecessors, (376), 376 states have call successors, (376) [2024-11-19 03:11:42,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1756 states and 2450 transitions. [2024-11-19 03:11:42,520 INFO L78 Accepts]: Start accepts. Automaton has 1756 states and 2450 transitions. Word has length 85 [2024-11-19 03:11:42,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:11:42,521 INFO L471 AbstractCegarLoop]: Abstraction has 1756 states and 2450 transitions. [2024-11-19 03:11:42,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 03:11:42,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 2450 transitions. [2024-11-19 03:11:42,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-19 03:11:42,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:11:42,528 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-19 03:11:42,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 03:11:42,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:11:42,730 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:11:42,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:11:42,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1963206098, now seen corresponding path program 1 times [2024-11-19 03:11:42,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:11:42,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811572345] [2024-11-19 03:11:42,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:42,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:11:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:43,624 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-19 03:11:43,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:11:43,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811572345] [2024-11-19 03:11:43,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811572345] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:11:43,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068003446] [2024-11-19 03:11:43,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:43,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:11:43,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:11:43,628 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:11:43,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 03:11:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:45,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 3040 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 03:11:45,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:11:45,125 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 03:11:45,125 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 03:11:45,270 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-19 03:11:45,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068003446] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 03:11:45,271 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 03:11:45,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-19 03:11:45,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543627383] [2024-11-19 03:11:45,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 03:11:45,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 03:11:45,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:11:45,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 03:11:45,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 03:11:45,273 INFO L87 Difference]: Start difference. First operand 1756 states and 2450 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-19 03:11:45,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:11:45,639 INFO L93 Difference]: Finished difference Result 3668 states and 5146 transitions. [2024-11-19 03:11:45,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 03:11:45,640 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 85 [2024-11-19 03:11:45,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:11:45,656 INFO L225 Difference]: With dead ends: 3668 [2024-11-19 03:11:45,656 INFO L226 Difference]: Without dead ends: 1928 [2024-11-19 03:11:45,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 03:11:45,666 INFO L432 NwaCegarLoop]: 1164 mSDtfsCounter, 72 mSDsluCounter, 2324 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 3488 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:11:45,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 3488 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:11:45,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2024-11-19 03:11:45,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1928. [2024-11-19 03:11:45,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1928 states, 1409 states have (on average 1.339247693399574) internal successors, (1887), 1435 states have internal predecessors, (1887), 407 states have call successors, (407), 112 states have call predecessors, (407), 111 states have return successors, (406), 406 states have call predecessors, (406), 406 states have call successors, (406) [2024-11-19 03:11:45,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1928 states and 2700 transitions. [2024-11-19 03:11:45,788 INFO L78 Accepts]: Start accepts. Automaton has 1928 states and 2700 transitions. Word has length 85 [2024-11-19 03:11:45,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:11:45,789 INFO L471 AbstractCegarLoop]: Abstraction has 1928 states and 2700 transitions. [2024-11-19 03:11:45,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-19 03:11:45,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 2700 transitions. [2024-11-19 03:11:45,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-19 03:11:45,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:11:45,795 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:11:45,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 03:11:45,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-19 03:11:45,995 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:11:45,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:11:45,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1520901901, now seen corresponding path program 2 times [2024-11-19 03:11:45,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:11:45,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329062346] [2024-11-19 03:11:45,996 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 03:11:45,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:11:46,456 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 03:11:46,456 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 03:11:46,742 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-19 03:11:46,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:11:46,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329062346] [2024-11-19 03:11:46,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329062346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:11:46,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:11:46,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:11:46,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401670529] [2024-11-19 03:11:46,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:11:46,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:11:46,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:11:46,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:11:46,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:11:46,744 INFO L87 Difference]: Start difference. First operand 1928 states and 2700 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 03:11:50,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:11:50,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:11:50,934 INFO L93 Difference]: Finished difference Result 1928 states and 2700 transitions. [2024-11-19 03:11:50,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:11:50,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 103 [2024-11-19 03:11:50,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:11:50,940 INFO L225 Difference]: With dead ends: 1928 [2024-11-19 03:11:50,941 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 03:11:50,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:11:50,949 INFO L432 NwaCegarLoop]: 1407 mSDtfsCounter, 495 mSDsluCounter, 1077 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 2484 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:11:50,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 2484 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:11:50,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 03:11:50,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 03:11:50,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 03:11:50,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 03:11:50,953 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2024-11-19 03:11:50,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:11:50,953 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 03:11:50,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 03:11:50,954 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 03:11:50,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 03:11:50,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-19 03:11:50,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 03:11:50,960 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:11:50,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.