/root/.sdkman/candidates/java/11.0.12-open/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-tmp.fs.smtinterpol-bv-eval-3dddfdf-m [2024-11-15 13:51:21,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 13:51:21,180 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-15 13:51:21,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 13:51:21,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 13:51:21,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 13:51:21,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 13:51:21,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 13:51:21,215 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-15 13:51:21,217 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-15 13:51:21,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 13:51:21,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 13:51:21,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 13:51:21,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 13:51:21,219 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 13:51:21,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 13:51:21,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 13:51:21,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 13:51:21,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 13:51:21,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 13:51:21,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 13:51:21,225 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-15 13:51:21,225 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-15 13:51:21,226 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-15 13:51:21,226 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-15 13:51:21,226 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 13:51:21,226 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 13:51:21,227 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 13:51:21,227 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 13:51:21,227 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-15 13:51:21,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 13:51:21,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 13:51:21,228 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 13:51:21,228 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 13:51:21,229 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 13:51:21,229 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-15 13:51:21,229 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-15 13:51:21,229 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 13:51:21,230 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-15 13:51:21,230 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-15 13:51:21,230 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-15 13:51:21,230 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-15 13:51:21,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 13:51:21,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 13:51:21,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 13:51:21,494 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 13:51:21,494 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 13:51:21,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2024-11-15 13:51:23,029 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 13:51:23,460 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 13:51:23,461 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2024-11-15 13:51:23,503 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baea5e69c/f71b37941b744baf91f2ef078662d615/FLAGcefba5dea [2024-11-15 13:51:23,617 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baea5e69c/f71b37941b744baf91f2ef078662d615 [2024-11-15 13:51:23,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 13:51:23,621 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 13:51:23,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 13:51:23,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 13:51:23,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 13:51:23,630 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 01:51:23" (1/1) ... [2024-11-15 13:51:23,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56265778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:51:23, skipping insertion in model container [2024-11-15 13:51:23,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 01:51:23" (1/1) ... [2024-11-15 13:51:23,726 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 13:51:24,425 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,525 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,526 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,577 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,578 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,581 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,582 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,583 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,584 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,584 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,592 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,593 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,596 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,597 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,599 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,603 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,604 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,604 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,616 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,617 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,652 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2024-11-15 13:51:24,724 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:51:24,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 13:51:24,788 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 13:51:24,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [2808] [2024-11-15 13:51:24,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2815-2816] [2024-11-15 13:51:24,942 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2024-11-15 13:51:24,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 13:51:25,046 INFO L204 MainTranslator]: Completed translation [2024-11-15 13:51:25,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:51:25 WrapperNode [2024-11-15 13:51:25,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 13:51:25,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 13:51:25,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 13:51:25,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 13:51:25,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:51:25" (1/1) ... [2024-11-15 13:51:25,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:51:25" (1/1) ... [2024-11-15 13:51:25,233 INFO L138 Inliner]: procedures = 142, calls = 1232, calls flagged for inlining = 49, calls inlined = 41, statements flattened = 1828 [2024-11-15 13:51:25,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 13:51:25,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 13:51:25,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 13:51:25,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 13:51:25,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:51:25" (1/1) ... [2024-11-15 13:51:25,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:51:25" (1/1) ... [2024-11-15 13:51:25,280 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:51:25" (1/1) ... [2024-11-15 13:51:25,400 INFO L175 MemorySlicer]: Split 952 memory accesses to 22 slices as follows [2, 3, 512, 5, 273, 32, 1, 24, 6, 1, 28, 3, 3, 2, 1, 11, 14, 2, 6, 13, 5, 5]. 54 percent of accesses are in the largest equivalence class. The 780 initializations are split as follows [2, 3, 512, 5, 180, 24, 1, 0, 4, 0, 0, 0, 0, 0, 0, 11, 14, 0, 6, 13, 0, 5]. The 103 writes are split as follows [0, 0, 0, 0, 40, 0, 0, 24, 0, 0, 28, 1, 2, 1, 0, 0, 0, 2, 0, 0, 5, 0]. [2024-11-15 13:51:25,400 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:51:25" (1/1) ... [2024-11-15 13:51:25,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:51:25" (1/1) ... [2024-11-15 13:51:25,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:51:25" (1/1) ... [2024-11-15 13:51:25,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:51:25" (1/1) ... [2024-11-15 13:51:25,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:51:25" (1/1) ... [2024-11-15 13:51:25,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:51:25" (1/1) ... [2024-11-15 13:51:25,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 13:51:25,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 13:51:25,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 13:51:25,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 13:51:25,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:51:25" (1/1) ... [2024-11-15 13:51:25,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 13:51:25,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:51:25,605 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) [2024-11-15 13:51:25,608 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 [2024-11-15 13:51:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-11-15 13:51:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-11-15 13:51:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-11-15 13:51:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-11-15 13:51:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-15 13:51:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-15 13:51:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-15 13:51:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-15 13:51:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-15 13:51:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-15 13:51:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-15 13:51:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-15 13:51:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-15 13:51:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-15 13:51:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-15 13:51:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-15 13:51:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-15 13:51:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2024-11-15 13:51:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2024-11-15 13:51:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2024-11-15 13:51:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#16 [2024-11-15 13:51:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#17 [2024-11-15 13:51:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#18 [2024-11-15 13:51:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#19 [2024-11-15 13:51:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#20 [2024-11-15 13:51:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#21 [2024-11-15 13:51:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-11-15 13:51:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-11-15 13:51:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-11-15 13:51:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-11-15 13:51:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-15 13:51:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-15 13:51:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-15 13:51:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-15 13:51:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-15 13:51:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-15 13:51:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-15 13:51:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-15 13:51:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-15 13:51:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-15 13:51:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#10 [2024-11-15 13:51:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#11 [2024-11-15 13:51:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#12 [2024-11-15 13:51:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#13 [2024-11-15 13:51:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#14 [2024-11-15 13:51:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#15 [2024-11-15 13:51:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#16 [2024-11-15 13:51:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#17 [2024-11-15 13:51:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#18 [2024-11-15 13:51:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#19 [2024-11-15 13:51:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#20 [2024-11-15 13:51:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#21 [2024-11-15 13:51:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-15 13:51:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-15 13:51:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-15 13:51:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-15 13:51:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-15 13:51:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-15 13:51:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-15 13:51:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-15 13:51:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-15 13:51:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-15 13:51:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-15 13:51:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-15 13:51:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-15 13:51:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-15 13:51:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-15 13:51:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-15 13:51:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2024-11-15 13:51:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#17 [2024-11-15 13:51:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#18 [2024-11-15 13:51:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#19 [2024-11-15 13:51:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#20 [2024-11-15 13:51:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#21 [2024-11-15 13:51:25,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-15 13:51:25,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-15 13:51:25,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-15 13:51:25,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-15 13:51:25,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-15 13:51:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-15 13:51:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-15 13:51:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-15 13:51:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-15 13:51:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-15 13:51:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-15 13:51:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-15 13:51:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-15 13:51:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-15 13:51:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-15 13:51:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-15 13:51:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-15 13:51:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-15 13:51:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-15 13:51:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-15 13:51:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-15 13:51:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-15 13:51:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-11-15 13:51:25,670 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-11-15 13:51:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-15 13:51:25,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-15 13:51:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2024-11-15 13:51:25,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2024-11-15 13:51:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2024-11-15 13:51:25,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2024-11-15 13:51:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-15 13:51:25,670 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-15 13:51:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-15 13:51:25,671 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-15 13:51:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2024-11-15 13:51:25,671 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2024-11-15 13:51:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-15 13:51:25,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-15 13:51:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-15 13:51:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-15 13:51:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-15 13:51:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-15 13:51:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-15 13:51:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-15 13:51:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-15 13:51:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-15 13:51:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-15 13:51:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-15 13:51:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2024-11-15 13:51:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#11 [2024-11-15 13:51:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#12 [2024-11-15 13:51:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#13 [2024-11-15 13:51:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#14 [2024-11-15 13:51:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#15 [2024-11-15 13:51:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#16 [2024-11-15 13:51:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#17 [2024-11-15 13:51:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#18 [2024-11-15 13:51:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#19 [2024-11-15 13:51:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#20 [2024-11-15 13:51:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#21 [2024-11-15 13:51:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-15 13:51:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-15 13:51:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-15 13:51:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-15 13:51:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-15 13:51:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-15 13:51:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-15 13:51:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-15 13:51:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-15 13:51:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2024-11-15 13:51:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#10 [2024-11-15 13:51:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#11 [2024-11-15 13:51:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#12 [2024-11-15 13:51:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#13 [2024-11-15 13:51:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#14 [2024-11-15 13:51:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#15 [2024-11-15 13:51:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#16 [2024-11-15 13:51:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#17 [2024-11-15 13:51:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#18 [2024-11-15 13:51:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#19 [2024-11-15 13:51:25,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#20 [2024-11-15 13:51:25,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#21 [2024-11-15 13:51:25,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-15 13:51:25,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-15 13:51:25,679 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-15 13:51:25,680 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-15 13:51:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-15 13:51:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-15 13:51:25,680 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-15 13:51:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-15 13:51:25,680 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-15 13:51:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 13:51:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_11 [2024-11-15 13:51:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_11 [2024-11-15 13:51:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-15 13:51:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-15 13:51:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-15 13:51:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-15 13:51:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-15 13:51:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-15 13:51:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-15 13:51:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-15 13:51:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-15 13:51:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-15 13:51:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-15 13:51:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-15 13:51:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-15 13:51:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-15 13:51:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-15 13:51:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-15 13:51:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-15 13:51:25,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-15 13:51:25,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-15 13:51:25,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-15 13:51:25,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-15 13:51:25,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-15 13:51:25,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-15 13:51:25,683 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2024-11-15 13:51:25,683 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2024-11-15 13:51:25,683 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2024-11-15 13:51:25,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2024-11-15 13:51:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-15 13:51:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-15 13:51:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-15 13:51:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-15 13:51:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-15 13:51:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-15 13:51:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-15 13:51:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-15 13:51:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-15 13:51:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-15 13:51:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-15 13:51:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-15 13:51:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-15 13:51:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-15 13:51:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-15 13:51:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-15 13:51:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-15 13:51:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-15 13:51:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-15 13:51:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-15 13:51:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-15 13:51:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-15 13:51:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2024-11-15 13:51:25,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2024-11-15 13:51:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-15 13:51:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-15 13:51:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-15 13:51:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-15 13:51:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-15 13:51:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-15 13:51:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-15 13:51:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-15 13:51:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-15 13:51:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-15 13:51:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2024-11-15 13:51:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#11 [2024-11-15 13:51:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#12 [2024-11-15 13:51:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#13 [2024-11-15 13:51:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#14 [2024-11-15 13:51:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#15 [2024-11-15 13:51:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#16 [2024-11-15 13:51:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#17 [2024-11-15 13:51:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#18 [2024-11-15 13:51:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#19 [2024-11-15 13:51:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#20 [2024-11-15 13:51:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#21 [2024-11-15 13:51:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2024-11-15 13:51:25,689 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2024-11-15 13:51:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-15 13:51:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-15 13:51:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-15 13:51:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-15 13:51:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-15 13:51:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-15 13:51:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-15 13:51:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-15 13:51:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-15 13:51:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-15 13:51:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-15 13:51:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-15 13:51:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-15 13:51:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-11-15 13:51:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2024-11-15 13:51:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2024-11-15 13:51:25,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#16 [2024-11-15 13:51:25,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#17 [2024-11-15 13:51:25,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#18 [2024-11-15 13:51:25,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#19 [2024-11-15 13:51:25,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#20 [2024-11-15 13:51:25,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#21 [2024-11-15 13:51:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2024-11-15 13:51:25,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2024-11-15 13:51:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-15 13:51:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-15 13:51:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-15 13:51:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-15 13:51:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-15 13:51:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-15 13:51:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-15 13:51:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-15 13:51:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-15 13:51:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-15 13:51:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-15 13:51:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-15 13:51:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-15 13:51:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-15 13:51:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-15 13:51:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-15 13:51:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-15 13:51:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2024-11-15 13:51:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#17 [2024-11-15 13:51:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#18 [2024-11-15 13:51:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#19 [2024-11-15 13:51:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#20 [2024-11-15 13:51:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#21 [2024-11-15 13:51:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-15 13:51:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-15 13:51:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-15 13:51:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-15 13:51:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-15 13:51:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-15 13:51:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-15 13:51:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-15 13:51:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-15 13:51:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-15 13:51:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-15 13:51:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-15 13:51:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-15 13:51:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-15 13:51:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-15 13:51:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-15 13:51:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-15 13:51:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-15 13:51:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-15 13:51:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-15 13:51:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-15 13:51:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-15 13:51:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-11-15 13:51:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-11-15 13:51:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-11-15 13:51:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-11-15 13:51:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-15 13:51:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-15 13:51:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-15 13:51:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-15 13:51:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2024-11-15 13:51:25,701 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2024-11-15 13:51:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-15 13:51:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-15 13:51:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-15 13:51:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-15 13:51:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-15 13:51:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-15 13:51:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-15 13:51:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-15 13:51:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-15 13:51:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-15 13:51:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-15 13:51:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-15 13:51:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-15 13:51:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-15 13:51:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-15 13:51:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-15 13:51:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2024-11-15 13:51:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2024-11-15 13:51:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2024-11-15 13:51:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2024-11-15 13:51:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#20 [2024-11-15 13:51:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#21 [2024-11-15 13:51:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-15 13:51:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-15 13:51:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-15 13:51:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-15 13:51:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-15 13:51:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-15 13:51:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-15 13:51:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-15 13:51:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-15 13:51:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-15 13:51:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-15 13:51:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-15 13:51:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-15 13:51:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-15 13:51:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-11-15 13:51:25,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-11-15 13:51:25,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#16 [2024-11-15 13:51:25,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#17 [2024-11-15 13:51:25,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#18 [2024-11-15 13:51:25,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#19 [2024-11-15 13:51:25,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#20 [2024-11-15 13:51:25,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#21 [2024-11-15 13:51:25,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-15 13:51:25,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-15 13:51:25,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-15 13:51:25,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-15 13:51:25,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-15 13:51:25,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-15 13:51:25,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-15 13:51:25,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-15 13:51:25,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-11-15 13:51:25,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2024-11-15 13:51:25,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#10 [2024-11-15 13:51:25,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#11 [2024-11-15 13:51:25,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#12 [2024-11-15 13:51:25,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#13 [2024-11-15 13:51:25,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#14 [2024-11-15 13:51:25,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#15 [2024-11-15 13:51:25,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#16 [2024-11-15 13:51:25,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#17 [2024-11-15 13:51:25,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#18 [2024-11-15 13:51:25,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#19 [2024-11-15 13:51:25,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#20 [2024-11-15 13:51:25,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#21 [2024-11-15 13:51:25,708 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-11-15 13:51:25,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-11-15 13:51:25,708 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2024-11-15 13:51:25,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2024-11-15 13:51:25,708 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-15 13:51:25,708 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-15 13:51:25,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 13:51:25,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 13:51:25,709 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2024-11-15 13:51:25,709 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2024-11-15 13:51:26,198 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 13:51:26,201 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 13:51:41,982 INFO L? ?]: Removed 578 outVars from TransFormulas that were not future-live. [2024-11-15 13:51:41,982 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 13:51:42,015 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 13:51:42,016 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-15 13:51:42,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 01:51:42 BoogieIcfgContainer [2024-11-15 13:51:42,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 13:51:42,022 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 13:51:42,022 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 13:51:42,027 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 13:51:42,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 01:51:23" (1/3) ... [2024-11-15 13:51:42,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e87d503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 01:51:42, skipping insertion in model container [2024-11-15 13:51:42,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:51:25" (2/3) ... [2024-11-15 13:51:42,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e87d503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 01:51:42, skipping insertion in model container [2024-11-15 13:51:42,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 01:51:42" (3/3) ... [2024-11-15 13:51:42,030 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2024-11-15 13:51:42,046 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 13:51:42,046 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-15 13:51:42,136 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-15 13:51:42,143 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;@395d1787, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 13:51:42,144 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-15 13:51:42,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 491 states, 356 states have (on average 1.3398876404494382) internal successors, (477), 367 states have internal predecessors, (477), 102 states have call successors, (102), 31 states have call predecessors, (102), 31 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-15 13:51:42,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-15 13:51:42,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:51:42,163 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 13:51:42,164 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:51:42,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:51:42,169 INFO L85 PathProgramCache]: Analyzing trace with hash 68614324, now seen corresponding path program 1 times [2024-11-15 13:51:42,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:51:42,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808912546] [2024-11-15 13:51:42,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:51:42,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:51:43,150 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:51:43,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1989360717] [2024-11-15 13:51:43,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:51:43,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:51:43,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:51:43,158 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) [2024-11-15 13:51:43,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-15 13:51:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:51:45,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 1329 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 13:51:45,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:51:45,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 13:51:45,597 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 13:51:45,597 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:51:45,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808912546] [2024-11-15 13:51:45,598 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:51:45,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989360717] [2024-11-15 13:51:45,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989360717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 13:51:45,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 13:51:45,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 13:51:45,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164748946] [2024-11-15 13:51:45,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 13:51:45,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 13:51:45,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:51:45,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 13:51:45,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:51:45,632 INFO L87 Difference]: Start difference. First operand has 491 states, 356 states have (on average 1.3398876404494382) internal successors, (477), 367 states have internal predecessors, (477), 102 states have call successors, (102), 31 states have call predecessors, (102), 31 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) 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, (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) [2024-11-15 13:51:46,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 13:51:46,311 INFO L93 Difference]: Finished difference Result 1277 states and 1772 transitions. [2024-11-15 13:51:46,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 13:51:46,316 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, (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 16 [2024-11-15 13:51:46,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 13:51:46,348 INFO L225 Difference]: With dead ends: 1277 [2024-11-15 13:51:46,349 INFO L226 Difference]: Without dead ends: 781 [2024-11-15 13:51:46,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:51:46,367 INFO L432 NwaCegarLoop]: 844 mSDtfsCounter, 416 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 1477 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-15 13:51:46,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 1477 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-15 13:51:46,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2024-11-15 13:51:46,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 757. [2024-11-15 13:51:46,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 541 states have (on average 1.323475046210721) internal successors, (716), 553 states have internal predecessors, (716), 165 states have call successors, (165), 51 states have call predecessors, (165), 50 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-15 13:51:46,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1040 transitions. [2024-11-15 13:51:46,514 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1040 transitions. Word has length 16 [2024-11-15 13:51:46,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 13:51:46,518 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 1040 transitions. [2024-11-15 13:51:46,519 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, (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) [2024-11-15 13:51:46,519 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1040 transitions. [2024-11-15 13:51:46,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-15 13:51:46,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:51:46,521 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 13:51:46,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-15 13:51:46,722 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,SelfDestructingSolverStorable0 [2024-11-15 13:51:46,722 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:51:46,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:51:46,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1347379470, now seen corresponding path program 1 times [2024-11-15 13:51:46,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:51:46,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593124840] [2024-11-15 13:51:46,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:51:46,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:51:47,362 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:51:47,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [298991112] [2024-11-15 13:51:47,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:51:47,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:51:47,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:51:47,369 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) [2024-11-15 13:51:47,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-15 13:51:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:51:49,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 1318 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 13:51:49,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:51:49,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 13:51:49,828 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 13:51:49,828 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:51:49,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593124840] [2024-11-15 13:51:49,828 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:51:49,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298991112] [2024-11-15 13:51:49,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298991112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 13:51:49,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 13:51:49,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-15 13:51:49,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491597378] [2024-11-15 13:51:49,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 13:51:49,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 13:51:49,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:51:49,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 13:51:49,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:51:49,830 INFO L87 Difference]: Start difference. First operand 757 states and 1040 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) [2024-11-15 13:51:49,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 13:51:49,895 INFO L93 Difference]: Finished difference Result 1511 states and 2077 transitions. [2024-11-15 13:51:49,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 13:51:49,896 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 [2024-11-15 13:51:49,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 13:51:49,901 INFO L225 Difference]: With dead ends: 1511 [2024-11-15 13:51:49,901 INFO L226 Difference]: Without dead ends: 757 [2024-11-15 13:51:49,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:51:49,905 INFO L432 NwaCegarLoop]: 666 mSDtfsCounter, 657 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 666 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 [2024-11-15 13:51:49,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 666 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-15 13:51:49,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2024-11-15 13:51:49,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 757. [2024-11-15 13:51:49,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 541 states have (on average 1.3197781885397413) internal successors, (714), 553 states have internal predecessors, (714), 165 states have call successors, (165), 51 states have call predecessors, (165), 50 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-15 13:51:49,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1038 transitions. [2024-11-15 13:51:49,961 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1038 transitions. Word has length 19 [2024-11-15 13:51:49,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 13:51:49,961 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 1038 transitions. [2024-11-15 13:51:49,961 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) [2024-11-15 13:51:49,961 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1038 transitions. [2024-11-15 13:51:49,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-15 13:51:49,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:51:49,962 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] [2024-11-15 13:51:50,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-15 13:51:50,163 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,SelfDestructingSolverStorable1 [2024-11-15 13:51:50,163 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:51:50,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:51:50,164 INFO L85 PathProgramCache]: Analyzing trace with hash 898161648, now seen corresponding path program 1 times [2024-11-15 13:51:50,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:51:50,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753391816] [2024-11-15 13:51:50,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:51:50,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:51:50,779 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:51:50,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1741212003] [2024-11-15 13:51:50,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:51:50,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:51:50,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:51:50,781 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) [2024-11-15 13:51:50,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-15 13:51:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:51:53,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 1337 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 13:51:53,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:51:53,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 13:51:53,673 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 13:51:53,674 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:51:53,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753391816] [2024-11-15 13:51:53,674 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:51:53,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741212003] [2024-11-15 13:51:53,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741212003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 13:51:53,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 13:51:53,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 13:51:53,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312159407] [2024-11-15 13:51:53,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 13:51:53,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 13:51:53,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:51:53,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 13:51:53,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:51:53,677 INFO L87 Difference]: Start difference. First operand 757 states and 1038 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-15 13:51:57,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-15 13:51:57,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 13:51:57,959 INFO L93 Difference]: Finished difference Result 759 states and 1039 transitions. [2024-11-15 13:51:57,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 13:51:57,960 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), 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 25 [2024-11-15 13:51:57,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 13:51:57,965 INFO L225 Difference]: With dead ends: 759 [2024-11-15 13:51:57,966 INFO L226 Difference]: Without dead ends: 756 [2024-11-15 13:51:57,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:51:57,970 INFO L432 NwaCegarLoop]: 664 mSDtfsCounter, 643 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-15 13:51:57,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 664 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-15 13:51:57,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2024-11-15 13:51:58,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 756. [2024-11-15 13:51:58,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 541 states have (on average 1.3179297597042514) internal successors, (713), 552 states have internal predecessors, (713), 164 states have call successors, (164), 51 states have call predecessors, (164), 50 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-15 13:51:58,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1036 transitions. [2024-11-15 13:51:58,023 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1036 transitions. Word has length 25 [2024-11-15 13:51:58,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 13:51:58,024 INFO L471 AbstractCegarLoop]: Abstraction has 756 states and 1036 transitions. [2024-11-15 13:51:58,024 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), 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) [2024-11-15 13:51:58,024 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1036 transitions. [2024-11-15 13:51:58,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-15 13:51:58,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:51:58,025 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] [2024-11-15 13:51:58,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-15 13:51:58,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:51:58,226 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:51:58,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:51:58,227 INFO L85 PathProgramCache]: Analyzing trace with hash 2072976455, now seen corresponding path program 1 times [2024-11-15 13:51:58,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:51:58,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508750994] [2024-11-15 13:51:58,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:51:58,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:51:58,611 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:51:58,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2057846757] [2024-11-15 13:51:58,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:51:58,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:51:58,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:51:58,616 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) [2024-11-15 13:51:58,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-15 13:52:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:52:00,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 1338 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 13:52:00,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:52:01,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 13:52:01,276 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 13:52:01,276 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:52:01,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508750994] [2024-11-15 13:52:01,277 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:52:01,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057846757] [2024-11-15 13:52:01,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057846757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 13:52:01,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 13:52:01,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 13:52:01,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351476994] [2024-11-15 13:52:01,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 13:52:01,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 13:52:01,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:52:01,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 13:52:01,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:52:01,280 INFO L87 Difference]: Start difference. First operand 756 states and 1036 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-11-15 13:52:05,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-15 13:52:05,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 13:52:05,532 INFO L93 Difference]: Finished difference Result 758 states and 1037 transitions. [2024-11-15 13:52:05,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 13:52:05,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 26 [2024-11-15 13:52:05,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 13:52:05,537 INFO L225 Difference]: With dead ends: 758 [2024-11-15 13:52:05,537 INFO L226 Difference]: Without dead ends: 755 [2024-11-15 13:52:05,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:52:05,539 INFO L432 NwaCegarLoop]: 662 mSDtfsCounter, 640 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-15 13:52:05,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 662 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-15 13:52:05,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2024-11-15 13:52:05,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 755. [2024-11-15 13:52:05,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 541 states have (on average 1.3160813308687616) internal successors, (712), 551 states have internal predecessors, (712), 163 states have call successors, (163), 51 states have call predecessors, (163), 50 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-15 13:52:05,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1034 transitions. [2024-11-15 13:52:05,589 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1034 transitions. Word has length 26 [2024-11-15 13:52:05,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 13:52:05,589 INFO L471 AbstractCegarLoop]: Abstraction has 755 states and 1034 transitions. [2024-11-15 13:52:05,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-11-15 13:52:05,590 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1034 transitions. [2024-11-15 13:52:05,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-15 13:52:05,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:52:05,591 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] [2024-11-15 13:52:05,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-15 13:52:05,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:52:05,792 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:52:05,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:52:05,792 INFO L85 PathProgramCache]: Analyzing trace with hash -162465325, now seen corresponding path program 1 times [2024-11-15 13:52:05,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:52:05,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207207163] [2024-11-15 13:52:05,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:52:05,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:52:06,214 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:52:06,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [171508857] [2024-11-15 13:52:06,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:52:06,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:52:06,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:52:06,220 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) [2024-11-15 13:52:06,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-15 13:52:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:52:08,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 1339 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 13:52:08,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:52:09,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 13:52:09,120 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 13:52:09,121 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:52:09,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207207163] [2024-11-15 13:52:09,121 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:52:09,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171508857] [2024-11-15 13:52:09,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171508857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 13:52:09,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 13:52:09,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 13:52:09,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741064293] [2024-11-15 13:52:09,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 13:52:09,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 13:52:09,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:52:09,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 13:52:09,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:52:09,123 INFO L87 Difference]: Start difference. First operand 755 states and 1034 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-11-15 13:52:13,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-15 13:52:13,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 13:52:13,330 INFO L93 Difference]: Finished difference Result 757 states and 1035 transitions. [2024-11-15 13:52:13,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 13:52:13,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 27 [2024-11-15 13:52:13,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 13:52:13,336 INFO L225 Difference]: With dead ends: 757 [2024-11-15 13:52:13,336 INFO L226 Difference]: Without dead ends: 754 [2024-11-15 13:52:13,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:52:13,338 INFO L432 NwaCegarLoop]: 660 mSDtfsCounter, 637 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-15 13:52:13,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 660 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-15 13:52:13,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2024-11-15 13:52:13,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 754. [2024-11-15 13:52:13,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 754 states, 541 states have (on average 1.3142329020332717) internal successors, (711), 550 states have internal predecessors, (711), 162 states have call successors, (162), 51 states have call predecessors, (162), 50 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-15 13:52:13,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1032 transitions. [2024-11-15 13:52:13,391 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1032 transitions. Word has length 27 [2024-11-15 13:52:13,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 13:52:13,391 INFO L471 AbstractCegarLoop]: Abstraction has 754 states and 1032 transitions. [2024-11-15 13:52:13,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-11-15 13:52:13,391 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1032 transitions. [2024-11-15 13:52:13,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-15 13:52:13,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:52:13,394 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] [2024-11-15 13:52:13,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-15 13:52:13,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:52:13,595 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:52:13,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:52:13,595 INFO L85 PathProgramCache]: Analyzing trace with hash -741678902, now seen corresponding path program 1 times [2024-11-15 13:52:13,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:52:13,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775000812] [2024-11-15 13:52:13,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:52:13,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:52:13,959 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:52:13,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1554675245] [2024-11-15 13:52:13,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:52:13,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:52:13,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:52:13,964 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) [2024-11-15 13:52:13,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-15 13:52:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:52:15,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 1340 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 13:52:15,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:52:16,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 13:52:16,713 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 13:52:16,713 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:52:16,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775000812] [2024-11-15 13:52:16,714 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:52:16,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554675245] [2024-11-15 13:52:16,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554675245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 13:52:16,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 13:52:16,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 13:52:16,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574219422] [2024-11-15 13:52:16,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 13:52:16,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 13:52:16,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:52:16,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 13:52:16,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:52:16,715 INFO L87 Difference]: Start difference. First operand 754 states and 1032 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-15 13:52:20,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-15 13:52:21,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 13:52:21,019 INFO L93 Difference]: Finished difference Result 958 states and 1297 transitions. [2024-11-15 13:52:21,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 13:52:21,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 28 [2024-11-15 13:52:21,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 13:52:21,025 INFO L225 Difference]: With dead ends: 958 [2024-11-15 13:52:21,026 INFO L226 Difference]: Without dead ends: 933 [2024-11-15 13:52:21,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:52:21,027 INFO L432 NwaCegarLoop]: 763 mSDtfsCounter, 591 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 1064 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-15 13:52:21,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 1064 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-15 13:52:21,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2024-11-15 13:52:21,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 933. [2024-11-15 13:52:21,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 656 states have (on average 1.291158536585366) internal successors, (847), 666 states have internal predecessors, (847), 208 states have call successors, (208), 69 states have call predecessors, (208), 68 states have return successors, (207), 207 states have call predecessors, (207), 207 states have call successors, (207) [2024-11-15 13:52:21,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1262 transitions. [2024-11-15 13:52:21,101 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1262 transitions. Word has length 28 [2024-11-15 13:52:21,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 13:52:21,101 INFO L471 AbstractCegarLoop]: Abstraction has 933 states and 1262 transitions. [2024-11-15 13:52:21,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-15 13:52:21,102 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1262 transitions. [2024-11-15 13:52:21,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-15 13:52:21,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:52:21,105 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 13:52:21,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-15 13:52:21,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:52:21,306 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:52:21,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:52:21,307 INFO L85 PathProgramCache]: Analyzing trace with hash 7125463, now seen corresponding path program 1 times [2024-11-15 13:52:21,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:52:21,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079357771] [2024-11-15 13:52:21,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:52:21,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:52:21,723 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:52:21,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1557177284] [2024-11-15 13:52:21,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:52:21,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:52:21,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:52:21,725 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) [2024-11-15 13:52:21,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-15 13:52:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:52:23,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 1456 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 13:52:23,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:52:24,047 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 13:52:24,047 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 13:52:24,047 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:52:24,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079357771] [2024-11-15 13:52:24,048 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:52:24,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557177284] [2024-11-15 13:52:24,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557177284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 13:52:24,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 13:52:24,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 13:52:24,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610274709] [2024-11-15 13:52:24,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 13:52:24,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 13:52:24,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:52:24,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 13:52:24,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:52:24,049 INFO L87 Difference]: Start difference. First operand 933 states and 1262 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-15 13:52:24,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 13:52:24,352 INFO L93 Difference]: Finished difference Result 2496 states and 3375 transitions. [2024-11-15 13:52:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 13:52:24,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 60 [2024-11-15 13:52:24,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 13:52:24,361 INFO L225 Difference]: With dead ends: 2496 [2024-11-15 13:52:24,361 INFO L226 Difference]: Without dead ends: 1566 [2024-11-15 13:52:24,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:52:24,366 INFO L432 NwaCegarLoop]: 694 mSDtfsCounter, 618 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 618 SdHoareTripleChecker+Valid, 1258 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-15 13:52:24,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [618 Valid, 1258 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-15 13:52:24,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1566 states. [2024-11-15 13:52:24,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1566 to 1537. [2024-11-15 13:52:24,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1537 states, 1084 states have (on average 1.2915129151291513) internal successors, (1400), 1100 states have internal predecessors, (1400), 339 states have call successors, (339), 114 states have call predecessors, (339), 113 states have return successors, (338), 338 states have call predecessors, (338), 338 states have call successors, (338) [2024-11-15 13:52:24,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2077 transitions. [2024-11-15 13:52:24,503 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2077 transitions. Word has length 60 [2024-11-15 13:52:24,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 13:52:24,503 INFO L471 AbstractCegarLoop]: Abstraction has 1537 states and 2077 transitions. [2024-11-15 13:52:24,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-15 13:52:24,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2077 transitions. [2024-11-15 13:52:24,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-15 13:52:24,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:52:24,506 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 13:52:24,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-15 13:52:24,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:52:24,707 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:52:24,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:52:24,707 INFO L85 PathProgramCache]: Analyzing trace with hash 135587051, now seen corresponding path program 1 times [2024-11-15 13:52:24,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:52:24,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832498585] [2024-11-15 13:52:24,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:52:24,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:52:25,110 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:52:25,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1817870216] [2024-11-15 13:52:25,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:52:25,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:52:25,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:52:25,115 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) [2024-11-15 13:52:25,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-15 13:52:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:52:27,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 1494 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 13:52:27,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:52:27,544 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 13:52:27,544 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 13:52:27,544 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:52:27,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832498585] [2024-11-15 13:52:27,545 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:52:27,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817870216] [2024-11-15 13:52:27,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817870216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 13:52:27,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 13:52:27,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 13:52:27,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353556807] [2024-11-15 13:52:27,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 13:52:27,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 13:52:27,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:52:27,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 13:52:27,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:52:27,548 INFO L87 Difference]: Start difference. First operand 1537 states and 2077 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-15 13:52:27,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 13:52:27,918 INFO L93 Difference]: Finished difference Result 3097 states and 4193 transitions. [2024-11-15 13:52:27,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 13:52:27,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 67 [2024-11-15 13:52:27,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 13:52:27,933 INFO L225 Difference]: With dead ends: 3097 [2024-11-15 13:52:27,933 INFO L226 Difference]: Without dead ends: 1563 [2024-11-15 13:52:27,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:52:27,942 INFO L432 NwaCegarLoop]: 626 mSDtfsCounter, 16 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1237 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-15 13:52:27,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1237 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-15 13:52:27,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1563 states. [2024-11-15 13:52:28,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1563 to 1563. [2024-11-15 13:52:28,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1563 states, 1104 states have (on average 1.2916666666666667) internal successors, (1426), 1120 states have internal predecessors, (1426), 345 states have call successors, (345), 114 states have call predecessors, (345), 113 states have return successors, (344), 344 states have call predecessors, (344), 344 states have call successors, (344) [2024-11-15 13:52:28,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 2115 transitions. [2024-11-15 13:52:28,068 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 2115 transitions. Word has length 67 [2024-11-15 13:52:28,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 13:52:28,069 INFO L471 AbstractCegarLoop]: Abstraction has 1563 states and 2115 transitions. [2024-11-15 13:52:28,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-15 13:52:28,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 2115 transitions. [2024-11-15 13:52:28,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-15 13:52:28,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:52:28,073 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] [2024-11-15 13:52:28,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-15 13:52:28,274 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,SelfDestructingSolverStorable7 [2024-11-15 13:52:28,274 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:52:28,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:52:28,275 INFO L85 PathProgramCache]: Analyzing trace with hash -779078089, now seen corresponding path program 1 times [2024-11-15 13:52:28,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:52:28,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880157997] [2024-11-15 13:52:28,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:52:28,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:52:28,854 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:52:28,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1146684248] [2024-11-15 13:52:28,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:52:28,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:52:28,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:52:28,857 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 13:52:28,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-15 13:52:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:52:31,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 1504 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 13:52:31,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:52:31,585 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-15 13:52:31,586 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 13:52:31,586 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:52:31,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880157997] [2024-11-15 13:52:31,586 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:52:31,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146684248] [2024-11-15 13:52:31,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146684248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 13:52:31,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 13:52:31,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 13:52:31,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218431767] [2024-11-15 13:52:31,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 13:52:31,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 13:52:31,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:52:31,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 13:52:31,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:52:31,588 INFO L87 Difference]: Start difference. First operand 1563 states and 2115 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-15 13:52:35,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-15 13:52:35,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 13:52:35,915 INFO L93 Difference]: Finished difference Result 1563 states and 2115 transitions. [2024-11-15 13:52:35,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 13:52:35,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 72 [2024-11-15 13:52:35,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 13:52:35,920 INFO L225 Difference]: With dead ends: 1563 [2024-11-15 13:52:35,920 INFO L226 Difference]: Without dead ends: 0 [2024-11-15 13:52:35,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:52:35,929 INFO L432 NwaCegarLoop]: 818 mSDtfsCounter, 291 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-15 13:52:35,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 1403 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-15 13:52:35,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-15 13:52:35,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-15 13:52:35,930 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) [2024-11-15 13:52:35,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-15 13:52:35,931 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2024-11-15 13:52:35,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 13:52:35,931 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-15 13:52:35,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-15 13:52:35,932 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-15 13:52:35,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-15 13:52:35,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-15 13:52:36,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-15 13:52:36,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:52:36,138 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 13:52:36,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.