/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 'mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_add_size_checked_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 07:49:51,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 07:49:51,687 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 07:49:51,693 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 07:49:51,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 07:49:51,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 07:49:51,718 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 07:49:51,718 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 07:49:51,719 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 07:49:51,719 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 07:49:51,719 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 07:49:51,720 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 07:49:51,721 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 07:49:51,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 07:49:51,722 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 07:49:51,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 07:49:51,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 07:49:51,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 07:49:51,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 07:49:51,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 07:49:51,724 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 07:49:51,728 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 07:49:51,728 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 07:49:51,728 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 07:49:51,728 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 07:49:51,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 07:49:51,729 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 07:49:51,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 07:49:51,729 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 07:49:51,729 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 07:49:51,729 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 07:49:51,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 07:49:51,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 07:49:51,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 07:49:51,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 07:49:51,730 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 07:49:51,730 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 07:49:51,730 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 07:49:51,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 07:49:51,731 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 07:49:51,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 07:49:51,732 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 07:49:51,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 07:49:51,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 07:49:51,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 07:49:51,968 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 07:49:51,968 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 07:49:51,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_add_size_checked_harness.i [2024-11-05 07:49:53,342 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 07:49:53,670 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 07:49:53,671 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_add_size_checked_harness.i [2024-11-05 07:49:53,696 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2405ee70/2f62f93ff85f4f4a90d5cecf9cb2d3fd/FLAGebf9aa6ef [2024-11-05 07:49:53,921 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2405ee70/2f62f93ff85f4f4a90d5cecf9cb2d3fd [2024-11-05 07:49:53,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 07:49:53,924 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 07:49:53,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 07:49:53,925 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 07:49:53,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 07:49:53,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:49:53" (1/1) ... [2024-11-05 07:49:53,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ec5315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:49:53, skipping insertion in model container [2024-11-05 07:49:53,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:49:53" (1/1) ... [2024-11-05 07:49:53,997 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 07:49:54,171 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_add_size_checked_harness.i[4494,4507] [2024-11-05 07:49:54,176 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_add_size_checked_harness.i[4554,4567] [2024-11-05 07:49:54,499 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:49:54,562 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:49:54,563 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:49:54,563 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:49:54,570 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:49:54,571 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:54,575 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:54,576 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:54,576 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:49:54,576 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:54,579 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:54,581 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:49:54,581 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:49:54,584 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:49:54,584 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:49:54,592 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:54,592 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:49:54,593 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:54,593 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:49:54,603 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:54,604 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:49:54,604 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:54,604 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:49:54,607 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:54,608 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:49:54,608 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:54,608 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:49:54,609 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:54,609 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:54,871 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:49:54,872 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:49:54,872 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:49:54,873 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:49:55,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 07:49:55,073 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 07:49:55,085 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_add_size_checked_harness.i[4494,4507] [2024-11-05 07:49:55,086 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_add_size_checked_harness.i[4554,4567] [2024-11-05 07:49:55,123 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:55,123 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:55,124 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:55,124 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:55,124 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:55,131 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:55,131 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:55,132 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:55,132 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:55,133 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:55,134 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:55,134 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:55,134 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:49:55,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [6947-6958] [2024-11-05 07:49:55,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 07:49:55,473 WARN L710 CHandler]: The following functions are not defined or handled internally: aws_mem_acquire, aws_mem_release, aws_array_list_ensure_capacity [2024-11-05 07:49:55,482 INFO L204 MainTranslator]: Completed translation [2024-11-05 07:49:55,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:49:55 WrapperNode [2024-11-05 07:49:55,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 07:49:55,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 07:49:55,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 07:49:55,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 07:49:55,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:49:55" (1/1) ... [2024-11-05 07:49:55,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:49:55" (1/1) ... [2024-11-05 07:49:55,623 INFO L138 Inliner]: procedures = 691, calls = 1227, calls flagged for inlining = 38, calls inlined = 5, statements flattened = 515 [2024-11-05 07:49:55,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 07:49:55,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 07:49:55,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 07:49:55,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 07:49:55,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:49:55" (1/1) ... [2024-11-05 07:49:55,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:49:55" (1/1) ... [2024-11-05 07:49:55,653 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:49:55" (1/1) ... [2024-11-05 07:49:55,720 INFO L175 MemorySlicer]: Split 246 memory accesses to 4 slices as follows [2, 3, 3, 238]. 97 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 1, 1, 6]. The 234 writes are split as follows [0, 1, 1, 232]. [2024-11-05 07:49:55,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:49:55" (1/1) ... [2024-11-05 07:49:55,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:49:55" (1/1) ... [2024-11-05 07:49:55,746 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:49:55" (1/1) ... [2024-11-05 07:49:55,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:49:55" (1/1) ... [2024-11-05 07:49:55,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:49:55" (1/1) ... [2024-11-05 07:49:55,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:49:55" (1/1) ... [2024-11-05 07:49:55,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 07:49:55,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 07:49:55,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 07:49:55,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 07:49:55,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:49:55" (1/1) ... [2024-11-05 07:49:55,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 07:49:55,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 07:49:55,813 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) [2024-11-05 07:49:55,820 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 [2024-11-05 07:49:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 07:49:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-05 07:49:55,843 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-05 07:49:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 07:49:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 07:49:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 07:49:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 07:49:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 07:49:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 07:49:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 07:49:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 07:49:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 07:49:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 07:49:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 07:49:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 07:49:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-05 07:49:55,845 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-05 07:49:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 07:49:55,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 07:49:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 07:49:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 07:49:55,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 07:49:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 07:49:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 07:49:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 07:49:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 07:49:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 07:49:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 07:49:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 07:49:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 07:49:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 07:49:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 07:49:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 07:49:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 07:49:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint32_t [2024-11-05 07:49:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint32_t [2024-11-05 07:49:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 07:49:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-05 07:49:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-05 07:49:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 07:49:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 07:49:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 07:49:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 07:49:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 07:49:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 07:49:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 07:49:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 07:49:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 07:49:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 07:49:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 07:49:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 07:49:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_u64_checked [2024-11-05 07:49:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_u64_checked [2024-11-05 07:49:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-05 07:49:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-05 07:49:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 07:49:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 07:49:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 07:49:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 07:49:56,095 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 07:49:56,098 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 07:50:02,915 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-05 07:50:02,916 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 07:50:02,931 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 07:50:02,931 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 07:50:02,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:50:02 BoogieIcfgContainer [2024-11-05 07:50:02,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 07:50:02,938 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 07:50:02,938 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 07:50:02,940 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 07:50:02,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 07:49:53" (1/3) ... [2024-11-05 07:50:02,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519b02ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:50:02, skipping insertion in model container [2024-11-05 07:50:02,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:49:55" (2/3) ... [2024-11-05 07:50:02,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519b02ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:50:02, skipping insertion in model container [2024-11-05 07:50:02,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:50:02" (3/3) ... [2024-11-05 07:50:02,942 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_add_size_checked_harness.i [2024-11-05 07:50:02,955 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 07:50:02,955 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 07:50:03,000 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 07:50:03,005 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;@215670e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 07:50:03,005 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 07:50:03,009 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 41 states have (on average 1.170731707317073) internal successors, (48), 44 states have internal predecessors, (48), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-05 07:50:03,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-05 07:50:03,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 07:50:03,016 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 07:50:03,016 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 07:50:03,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 07:50:03,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1386380798, now seen corresponding path program 1 times [2024-11-05 07:50:03,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 07:50:03,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1468454571] [2024-11-05 07:50:03,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 07:50:03,029 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 07:50:03,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 07:50:03,036 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 07:50:03,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-05 07:50:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 07:50:06,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 1736 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 07:50:06,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 07:50:07,036 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-05 07:50:07,037 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 07:50:08,157 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-05 07:50:08,159 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 07:50:08,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1468454571] [2024-11-05 07:50:08,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1468454571] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 07:50:08,160 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 07:50:08,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2024-11-05 07:50:08,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181642047] [2024-11-05 07:50:08,162 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 07:50:08,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 07:50:08,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 07:50:08,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 07:50:08,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-05 07:50:08,189 INFO L87 Difference]: Start difference. First operand has 66 states, 41 states have (on average 1.170731707317073) internal successors, (48), 44 states have internal predecessors, (48), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-05 07:50:08,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 07:50:08,709 INFO L93 Difference]: Finished difference Result 83 states and 102 transitions. [2024-11-05 07:50:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 07:50:08,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 33 [2024-11-05 07:50:08,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 07:50:08,717 INFO L225 Difference]: With dead ends: 83 [2024-11-05 07:50:08,718 INFO L226 Difference]: Without dead ends: 58 [2024-11-05 07:50:08,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-05 07:50:08,722 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-05 07:50:08,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-05 07:50:08,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-05 07:50:08,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-05 07:50:08,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 38 states have internal predecessors, (40), 16 states have call successors, (16), 7 states have call predecessors, (16), 6 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-05 07:50:08,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 68 transitions. [2024-11-05 07:50:08,752 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 68 transitions. Word has length 33 [2024-11-05 07:50:08,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 07:50:08,753 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 68 transitions. [2024-11-05 07:50:08,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-05 07:50:08,754 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2024-11-05 07:50:08,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-05 07:50:08,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 07:50:08,755 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 07:50:08,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-05 07:50:08,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 07:50:08,956 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 07:50:08,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 07:50:08,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1390134464, now seen corresponding path program 1 times [2024-11-05 07:50:08,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 07:50:08,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2101655862] [2024-11-05 07:50:08,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 07:50:08,957 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 07:50:08,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 07:50:08,960 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 07:50:08,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-05 07:50:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 07:50:12,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 1737 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-05 07:50:12,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 07:50:13,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-05 07:50:13,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-05 07:50:15,511 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-05 07:50:15,511 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 07:50:17,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2024-11-05 07:50:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-05 07:50:19,562 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 07:50:19,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2101655862] [2024-11-05 07:50:19,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2101655862] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 07:50:19,563 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 07:50:19,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2024-11-05 07:50:19,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609542518] [2024-11-05 07:50:19,563 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 07:50:19,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 07:50:19,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 07:50:19,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 07:50:19,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-05 07:50:19,565 INFO L87 Difference]: Start difference. First operand 58 states and 68 transitions. Second operand has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-05 07:50:22,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 07:50:22,144 INFO L93 Difference]: Finished difference Result 63 states and 72 transitions. [2024-11-05 07:50:22,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-05 07:50:22,145 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 33 [2024-11-05 07:50:22,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 07:50:22,146 INFO L225 Difference]: With dead ends: 63 [2024-11-05 07:50:22,146 INFO L226 Difference]: Without dead ends: 56 [2024-11-05 07:50:22,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-05 07:50:22,147 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 4 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-05 07:50:22,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 415 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-05 07:50:22,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-05 07:50:22,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-05 07:50:22,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 33 states have (on average 1.121212121212121) internal successors, (37), 36 states have internal predecessors, (37), 16 states have call successors, (16), 7 states have call predecessors, (16), 6 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-05 07:50:22,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 65 transitions. [2024-11-05 07:50:22,155 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 65 transitions. Word has length 33 [2024-11-05 07:50:22,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 07:50:22,156 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 65 transitions. [2024-11-05 07:50:22,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-05 07:50:22,156 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2024-11-05 07:50:22,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-05 07:50:22,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 07:50:22,157 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 07:50:22,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-05 07:50:22,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 07:50:22,362 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 07:50:22,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 07:50:22,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1173363055, now seen corresponding path program 1 times [2024-11-05 07:50:22,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 07:50:22,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [170090354] [2024-11-05 07:50:22,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 07:50:22,363 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 07:50:22,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 07:50:22,367 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 07:50:22,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-05 07:50:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 07:50:56,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 1751 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-05 07:50:56,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 07:51:01,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 23 [2024-11-05 07:51:03,739 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-05 07:51:03,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 18 [2024-11-05 07:51:06,226 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-05 07:51:06,226 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 07:51:14,434 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-05 07:51:14,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 518 treesize of output 478 [2024-11-05 07:51:28,971 WARN L286 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)