/usr/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_clean_up_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 14:48:06,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 14:48:06,706 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 14:48:06,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 14:48:06,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 14:48:06,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 14:48:06,747 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 14:48:06,748 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 14:48:06,748 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 14:48:06,749 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 14:48:06,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 14:48:06,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 14:48:06,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 14:48:06,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 14:48:06,751 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 14:48:06,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 14:48:06,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 14:48:06,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 14:48:06,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 14:48:06,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 14:48:06,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 14:48:06,758 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 14:48:06,758 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 14:48:06,758 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 14:48:06,758 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 14:48:06,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 14:48:06,759 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 14:48:06,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 14:48:06,759 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 14:48:06,759 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 14:48:06,759 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 14:48:06,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 14:48:06,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 14:48:06,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 14:48:06,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 14:48:06,760 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 14:48:06,760 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 14:48:06,761 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 14:48:06,761 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 14:48:06,761 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 14:48:06,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 14:48:06,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:48:06,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 14:48:07,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 14:48:07,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 14:48:07,018 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 14:48:07,019 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 14:48:07,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_clean_up_harness_negated.i [2024-11-04 14:48:08,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 14:48:08,858 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 14:48:08,859 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_clean_up_harness_negated.i [2024-11-04 14:48:08,895 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa34c1b8d/4753c937280d487393a877fe4ca1ca0c/FLAGc553943ad [2024-11-04 14:48:08,911 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa34c1b8d/4753c937280d487393a877fe4ca1ca0c [2024-11-04 14:48:08,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 14:48:08,918 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 14:48:08,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 14:48:08,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 14:48:08,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 14:48:08,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 02:48:08" (1/1) ... [2024-11-04 14:48:08,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e86ac74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:48:08, skipping insertion in model container [2024-11-04 14:48:08,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 02:48:08" (1/1) ... [2024-11-04 14:48:09,031 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 14:48:09,283 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_clean_up_harness_negated.i[4495,4508] [2024-11-04 14:48:09,292 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_clean_up_harness_negated.i[4555,4568] [2024-11-04 14:48:09,990 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,138 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,141 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,143 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,156 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,158 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:10,159 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:10,160 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:10,160 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,161 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:10,161 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:10,167 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,168 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,172 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,172 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,242 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:10,243 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,243 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:10,243 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,245 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:10,245 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,245 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:10,247 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,613 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,614 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,615 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,615 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,763 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,773 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,776 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,786 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,838 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,839 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,845 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:10,846 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:10,846 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:10,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:48:11,004 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 14:48:11,043 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 14:48:11,047 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_clean_up_harness_negated.i[4495,4508] [2024-11-04 14:48:11,048 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_clean_up_harness_negated.i[4555,4568] [2024-11-04 14:48:11,079 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,092 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,092 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,092 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,097 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,097 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,099 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,099 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,100 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,100 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,100 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,102 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,102 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,105 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,106 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,110 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,111 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,112 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,112 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,113 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,114 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,114 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,115 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,168 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,169 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,169 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,169 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,199 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,201 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,208 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,214 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,244 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,245 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,247 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:48:11,247 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,247 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:48:11,315 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 14:48:11,331 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_clean_up_harness_negated.i[4495,4508] [2024-11-04 14:48:11,332 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_clean_up_harness_negated.i[4555,4568] [2024-11-04 14:48:11,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,373 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,373 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,379 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,380 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,380 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,381 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8061] [2024-11-04 14:48:11,463 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,465 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:48:11,479 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8547-8558] [2024-11-04 14:48:11,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:48:11,706 INFO L204 MainTranslator]: Completed translation [2024-11-04 14:48:11,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:48:11 WrapperNode [2024-11-04 14:48:11,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 14:48:11,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 14:48:11,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 14:48:11,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 14:48:11,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:48:11" (1/1) ... [2024-11-04 14:48:11,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:48:11" (1/1) ... [2024-11-04 14:48:11,939 INFO L138 Inliner]: procedures = 700, calls = 2500, calls flagged for inlining = 53, calls inlined = 4, statements flattened = 758 [2024-11-04 14:48:11,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 14:48:11,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 14:48:11,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 14:48:11,943 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 14:48:11,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:48:11" (1/1) ... [2024-11-04 14:48:11,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:48:11" (1/1) ... [2024-11-04 14:48:11,966 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:48:11" (1/1) ... [2024-11-04 14:48:12,037 INFO L175 MemorySlicer]: Split 530 memory accesses to 5 slices as follows [2, 257, 238, 6, 27]. 48 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 5, 4]. The 495 writes are split as follows [0, 257, 232, 0, 6]. [2024-11-04 14:48:12,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:48:11" (1/1) ... [2024-11-04 14:48:12,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:48:11" (1/1) ... [2024-11-04 14:48:12,069 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:48:11" (1/1) ... [2024-11-04 14:48:12,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:48:11" (1/1) ... [2024-11-04 14:48:12,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:48:11" (1/1) ... [2024-11-04 14:48:12,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:48:11" (1/1) ... [2024-11-04 14:48:12,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 14:48:12,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 14:48:12,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 14:48:12,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 14:48:12,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:48:11" (1/1) ... [2024-11-04 14:48:12,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 14:48:12,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:48:12,149 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) [2024-11-04 14:48:12,154 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 [2024-11-04 14:48:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_clean_up [2024-11-04 14:48:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_clean_up [2024-11-04 14:48:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-04 14:48:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-04 14:48:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 14:48:12,178 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 14:48:12,178 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 14:48:12,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 14:48:12,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 14:48:12,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 14:48:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 14:48:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 14:48:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-04 14:48:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-04 14:48:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-04 14:48:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-04 14:48:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-04 14:48:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-04 14:48:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-04 14:48:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-04 14:48:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-04 14:48:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-04 14:48:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 14:48:12,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 14:48:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 14:48:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 14:48:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 14:48:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 14:48:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 14:48:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 14:48:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 14:48:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 14:48:12,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 14:48:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 14:48:12,180 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 14:48:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 14:48:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 14:48:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 14:48:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 14:48:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 14:48:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 14:48:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 14:48:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 14:48:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 14:48:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 14:48:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-04 14:48:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-04 14:48:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 14:48:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 14:48:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 14:48:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 14:48:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 14:48:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 14:48:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 14:48:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 14:48:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 14:48:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 14:48:12,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 14:48:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 14:48:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 14:48:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 14:48:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 14:48:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 14:48:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 14:48:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 14:48:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-04 14:48:12,186 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-04 14:48:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 14:48:12,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 14:48:12,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 14:48:12,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 14:48:12,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 14:48:12,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-04 14:48:12,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-04 14:48:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-04 14:48:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-04 14:48:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-04 14:48:12,506 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 14:48:12,508 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 14:48:21,369 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-11-04 14:48:21,369 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 14:48:21,383 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 14:48:21,384 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-04 14:48:21,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 02:48:21 BoogieIcfgContainer [2024-11-04 14:48:21,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 14:48:21,386 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 14:48:21,386 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 14:48:21,389 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 14:48:21,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 02:48:08" (1/3) ... [2024-11-04 14:48:21,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ec918b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 02:48:21, skipping insertion in model container [2024-11-04 14:48:21,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:48:11" (2/3) ... [2024-11-04 14:48:21,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ec918b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 02:48:21, skipping insertion in model container [2024-11-04 14:48:21,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 02:48:21" (3/3) ... [2024-11-04 14:48:21,392 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_harness_negated.i [2024-11-04 14:48:21,407 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 14:48:21,407 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 14:48:21,478 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 14:48:21,484 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@28f1f198, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 14:48:21,484 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 14:48:21,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 59 states have internal predecessors, (72), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-04 14:48:21,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-04 14:48:21,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:48:21,501 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 14:48:21,501 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:48:21,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:48:21,506 INFO L85 PathProgramCache]: Analyzing trace with hash 2004625470, now seen corresponding path program 1 times [2024-11-04 14:48:21,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:48:21,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1681339294] [2024-11-04 14:48:21,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:48:21,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:48:21,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:48:21,521 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) [2024-11-04 14:48:21,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-04 14:49:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 14:49:34,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 4114 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 14:49:34,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 14:49:34,141 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-04 14:49:34,142 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 14:49:35,234 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-04 14:49:35,235 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 14:49:35,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1681339294] [2024-11-04 14:49:35,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1681339294] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 14:49:35,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 14:49:35,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-04 14:49:35,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660527135] [2024-11-04 14:49:35,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 14:49:35,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 14:49:35,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 14:49:35,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 14:49:35,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 14:49:35,266 INFO L87 Difference]: Start difference. First operand has 84 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 59 states have internal predecessors, (72), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-04 14:49:35,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 14:49:35,301 INFO L93 Difference]: Finished difference Result 152 states and 201 transitions. [2024-11-04 14:49:35,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 14:49:35,304 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 56 [2024-11-04 14:49:35,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 14:49:35,314 INFO L225 Difference]: With dead ends: 152 [2024-11-04 14:49:35,314 INFO L226 Difference]: Without dead ends: 79 [2024-11-04 14:49:35,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 14:49:35,321 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-04 14:49:35,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 14:49:35,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-04 14:49:35,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-04 14:49:35,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 55 states have internal predecessors, (66), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-04 14:49:35,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 97 transitions. [2024-11-04 14:49:35,366 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 97 transitions. Word has length 56 [2024-11-04 14:49:35,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 14:49:35,366 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 97 transitions. [2024-11-04 14:49:35,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-04 14:49:35,367 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 97 transitions. [2024-11-04 14:49:35,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-04 14:49:35,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:49:35,372 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 14:49:35,448 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-04 14:49:35,572 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 [2024-11-04 14:49:35,573 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:49:35,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:49:35,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1565352712, now seen corresponding path program 1 times [2024-11-04 14:49:35,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:49:35,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [363793926] [2024-11-04 14:49:35,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:49:35,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:49:35,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:49:35,576 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) [2024-11-04 14:49:35,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process