/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -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-17387ad-m [2024-11-06 04:55:08,218 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 04:55:08,308 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 04:55:08,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 04:55:08,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 04:55:08,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 04:55:08,349 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 04:55:08,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 04:55:08,350 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 04:55:08,355 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 04:55:08,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 04:55:08,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 04:55:08,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 04:55:08,357 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 04:55:08,357 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 04:55:08,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 04:55:08,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 04:55:08,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 04:55:08,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 04:55:08,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 04:55:08,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 04:55:08,363 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 04:55:08,364 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 04:55:08,364 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 04:55:08,364 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 04:55:08,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 04:55:08,368 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 04:55:08,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 04:55:08,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 04:55:08,369 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 04:55:08,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 04:55:08,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 04:55:08,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 04:55:08,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 04:55:08,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 04:55:08,370 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 04:55:08,371 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 04:55:08,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 04:55:08,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 04:55:08,373 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 04:55:08,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 04:55:08,373 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-06 04:55:08,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 04:55:08,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 04:55:08,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 04:55:08,675 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 04:55:08,676 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 04:55:08,677 INFO L431 ainManager$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 [2024-11-06 04:55:10,302 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 04:55:10,760 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 04:55:10,760 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_add_size_checked_harness.i [2024-11-06 04:55:10,798 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59d66c125/54b5bbfe1cfe4c7d83cfd34411558591/FLAG4518b52c1 [2024-11-06 04:55:10,819 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59d66c125/54b5bbfe1cfe4c7d83cfd34411558591 [2024-11-06 04:55:10,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 04:55:10,825 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 04:55:10,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 04:55:10,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 04:55:10,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 04:55:10,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 04:55:10" (1/1) ... [2024-11-06 04:55:10,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b946bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:55:10, skipping insertion in model container [2024-11-06 04:55:10,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 04:55:10" (1/1) ... [2024-11-06 04:55:10,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 04:55:11,224 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] [2024-11-06 04:55:11,242 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] [2024-11-06 04:55:11,775 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:55:11,870 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:55:11,871 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:55:11,871 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:55:11,879 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:55:11,881 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:11,882 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:11,882 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:11,883 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:55:11,883 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:11,884 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:11,886 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:55:11,887 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:55:11,889 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:55:11,889 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:55:11,896 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:11,897 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:55:11,897 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:11,898 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:55:11,899 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:11,900 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:55:11,900 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:11,900 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:55:11,903 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:11,904 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:55:11,905 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:11,905 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:55:11,905 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:11,906 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:12,180 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:55:12,181 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:55:12,181 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:55:12,182 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 04:55:12,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 04:55:12,342 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 04:55:12,361 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] [2024-11-06 04:55:12,362 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] [2024-11-06 04:55:12,403 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:12,404 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:12,404 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:12,405 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:12,405 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:12,411 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:12,412 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:12,417 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:12,418 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:12,419 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:12,422 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:12,423 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:12,423 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 04:55:12,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [6947-6958] [2024-11-06 04:55:12,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 04:55:12,665 WARN L710 CHandler]: The following functions are not defined or handled internally: aws_mem_acquire, aws_mem_release, aws_array_list_ensure_capacity [2024-11-06 04:55:12,673 INFO L204 MainTranslator]: Completed translation [2024-11-06 04:55:12,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:55:12 WrapperNode [2024-11-06 04:55:12,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 04:55:12,675 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 04:55:12,675 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 04:55:12,675 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 04:55:12,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:55:12" (1/1) ... [2024-11-06 04:55:12,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:55:12" (1/1) ... [2024-11-06 04:55:12,816 INFO L138 Inliner]: procedures = 691, calls = 1227, calls flagged for inlining = 38, calls inlined = 5, statements flattened = 515 [2024-11-06 04:55:12,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 04:55:12,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 04:55:12,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 04:55:12,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 04:55:12,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:55:12" (1/1) ... [2024-11-06 04:55:12,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:55:12" (1/1) ... [2024-11-06 04:55:12,847 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:55:12" (1/1) ... [2024-11-06 04:55:12,912 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]. [2024-11-06 04:55:12,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:55:12" (1/1) ... [2024-11-06 04:55:12,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:55:12" (1/1) ... [2024-11-06 04:55:12,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:55:12" (1/1) ... [2024-11-06 04:55:12,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:55:12" (1/1) ... [2024-11-06 04:55:12,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:55:12" (1/1) ... [2024-11-06 04:55:12,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:55:12" (1/1) ... [2024-11-06 04:55:12,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 04:55:12,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 04:55:12,975 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 04:55:12,975 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 04:55:12,976 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:55:12" (1/1) ... [2024-11-06 04:55:12,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 04:55:12,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 04:55:13,009 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) [2024-11-06 04:55:13,016 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 [2024-11-06 04:55:13,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 04:55:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-06 04:55:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-06 04:55:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 04:55:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 04:55:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 04:55:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 04:55:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-06 04:55:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-06 04:55:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-06 04:55:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-06 04:55:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-06 04:55:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-06 04:55:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-06 04:55:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-06 04:55:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-06 04:55:13,042 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-06 04:55:13,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-06 04:55:13,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-06 04:55:13,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 04:55:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 04:55:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 04:55:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 04:55:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 04:55:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 04:55:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 04:55:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-06 04:55:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-06 04:55:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-06 04:55:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-06 04:55:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 04:55:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 04:55:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 04:55:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 04:55:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint32_t [2024-11-06 04:55:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint32_t [2024-11-06 04:55:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 04:55:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-06 04:55:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-06 04:55:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-06 04:55:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-06 04:55:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-06 04:55:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-06 04:55:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-06 04:55:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-06 04:55:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-06 04:55:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-06 04:55:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-06 04:55:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-06 04:55:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-06 04:55:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-06 04:55:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_u64_checked [2024-11-06 04:55:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_u64_checked [2024-11-06 04:55:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-06 04:55:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-06 04:55:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 04:55:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 04:55:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 04:55:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 04:55:13,361 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 04:55:13,363 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 04:55:20,321 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-06 04:55:20,321 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 04:55:20,336 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 04:55:20,336 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-06 04:55:20,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 04:55:20 BoogieIcfgContainer [2024-11-06 04:55:20,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 04:55:20,339 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 04:55:20,339 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 04:55:20,342 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 04:55:20,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 04:55:10" (1/3) ... [2024-11-06 04:55:20,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b81b18a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 04:55:20, skipping insertion in model container [2024-11-06 04:55:20,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:55:12" (2/3) ... [2024-11-06 04:55:20,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b81b18a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 04:55:20, skipping insertion in model container [2024-11-06 04:55:20,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 04:55:20" (3/3) ... [2024-11-06 04:55:20,345 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_add_size_checked_harness.i [2024-11-06 04:55:20,360 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 04:55:20,360 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 04:55:20,426 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 04:55:20,430 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;@554f2e15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 04:55:20,431 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 04:55:20,433 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) [2024-11-06 04:55:20,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-06 04:55:20,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:55:20,442 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] [2024-11-06 04:55:20,443 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:55:20,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:55:20,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1386380798, now seen corresponding path program 1 times [2024-11-06 04:55:20,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:55:20,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1109849799] [2024-11-06 04:55:20,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:55:20,466 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 [2024-11-06 04:55:20,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:55:20,470 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) [2024-11-06 04:55:20,472 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 [2024-11-06 04:55:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:55:24,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 1736 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 04:55:24,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:55:25,169 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-06 04:55:25,170 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:55:25,171 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:55:25,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1109849799] [2024-11-06 04:55:25,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1109849799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:55:25,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:55:25,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 04:55:25,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286521553] [2024-11-06 04:55:25,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:55:25,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 04:55:25,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:55:25,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 04:55:25,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 04:55:25,203 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) [2024-11-06 04:55:25,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:55:25,781 INFO L93 Difference]: Finished difference Result 83 states and 102 transitions. [2024-11-06 04:55:25,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 04:55:25,784 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 [2024-11-06 04:55:25,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:55:25,792 INFO L225 Difference]: With dead ends: 83 [2024-11-06 04:55:25,793 INFO L226 Difference]: Without dead ends: 58 [2024-11-06 04:55:25,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 04:55:25,799 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 [2024-11-06 04:55:25,800 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] [2024-11-06 04:55:25,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-06 04:55:25,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-06 04:55:25,835 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) [2024-11-06 04:55:25,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 68 transitions. [2024-11-06 04:55:25,838 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 68 transitions. Word has length 33 [2024-11-06 04:55:25,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:55:25,840 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 68 transitions. [2024-11-06 04:55:25,840 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) [2024-11-06 04:55:25,840 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2024-11-06 04:55:25,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-06 04:55:25,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:55:25,842 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] [2024-11-06 04:55:25,876 INFO L552 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)] Ended with exit code 0 [2024-11-06 04:55:26,043 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 [2024-11-06 04:55:26,044 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:55:26,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:55:26,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1390134464, now seen corresponding path program 1 times [2024-11-06 04:55:26,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:55:26,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1122287665] [2024-11-06 04:55:26,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:55:26,048 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 [2024-11-06 04:55:26,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:55:26,052 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) [2024-11-06 04:55:26,064 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 [2024-11-06 04:55:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:55:30,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 1737 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-06 04:55:30,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:55:31,714 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 [2024-11-06 04:55:32,321 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 [2024-11-06 04:55:33,951 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-06 04:55:33,951 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:55:33,952 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:55:33,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1122287665] [2024-11-06 04:55:33,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1122287665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:55:33,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:55:33,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 04:55:33,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749223692] [2024-11-06 04:55:33,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:55:33,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 04:55:33,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:55:33,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 04:55:33,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 04:55:33,956 INFO L87 Difference]: Start difference. First operand 58 states and 68 transitions. Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-06 04:55:36,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:55:36,205 INFO L93 Difference]: Finished difference Result 63 states and 72 transitions. [2024-11-06 04:55:36,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 04:55:36,207 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 33 [2024-11-06 04:55:36,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:55:36,208 INFO L225 Difference]: With dead ends: 63 [2024-11-06 04:55:36,208 INFO L226 Difference]: Without dead ends: 56 [2024-11-06 04:55:36,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-06 04:55:36,210 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 3 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-06 04:55:36,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 360 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-06 04:55:36,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-06 04:55:36,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-06 04:55:36,219 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) [2024-11-06 04:55:36,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 65 transitions. [2024-11-06 04:55:36,222 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 65 transitions. Word has length 33 [2024-11-06 04:55:36,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:55:36,223 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 65 transitions. [2024-11-06 04:55:36,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-06 04:55:36,223 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2024-11-06 04:55:36,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-06 04:55:36,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:55:36,224 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] [2024-11-06 04:55:36,256 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 [2024-11-06 04:55:36,425 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 [2024-11-06 04:55:36,426 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:55:36,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:55:36,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1173363055, now seen corresponding path program 1 times [2024-11-06 04:55:36,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:55:36,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13308009] [2024-11-06 04:55:36,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:55:36,429 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 [2024-11-06 04:55:36,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:55:36,430 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) [2024-11-06 04:55:36,431 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 [2024-11-06 04:56:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:56:12,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 1751 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-06 04:56:12,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:56:16,383 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 [2024-11-06 04:56:18,969 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-06 04:56:18,970 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 [2024-11-06 04:56:21,328 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-06 04:56:21,329 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:56:21,329 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:56:21,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [13308009] [2024-11-06 04:56:21,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [13308009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:56:21,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:56:21,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-06 04:56:21,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751805816] [2024-11-06 04:56:21,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:56:21,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-06 04:56:21,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:56:21,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-06 04:56:21,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-06 04:56:21,332 INFO L87 Difference]: Start difference. First operand 56 states and 65 transitions. Second operand has 11 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-06 04:56:25,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:56:25,970 INFO L93 Difference]: Finished difference Result 66 states and 75 transitions. [2024-11-06 04:56:25,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-06 04:56:25,971 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 37 [2024-11-06 04:56:25,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:56:25,972 INFO L225 Difference]: With dead ends: 66 [2024-11-06 04:56:25,972 INFO L226 Difference]: Without dead ends: 61 [2024-11-06 04:56:25,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-06 04:56:25,974 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 7 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-06 04:56:25,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 545 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-06 04:56:25,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-06 04:56:25,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2024-11-06 04:56:25,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 39 states have internal predecessors, (40), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (13), 13 states have call predecessors, (13), 12 states have call successors, (13) [2024-11-06 04:56:25,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 69 transitions. [2024-11-06 04:56:25,984 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 69 transitions. Word has length 37 [2024-11-06 04:56:25,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:56:25,984 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 69 transitions. [2024-11-06 04:56:25,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-06 04:56:25,985 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2024-11-06 04:56:25,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-06 04:56:25,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:56:25,987 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] [2024-11-06 04:56:26,053 INFO L552 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)] Ended with exit code 0 [2024-11-06 04:56:26,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2024-11-06 04:56:26,189 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:56:26,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:56:26,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1169609389, now seen corresponding path program 1 times [2024-11-06 04:56:26,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:56:26,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493285578] [2024-11-06 04:56:26,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:56:26,191 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 [2024-11-06 04:56:26,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:56:26,192 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2024-11-06 04:56:26,193 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 (5)] Waiting until timeout for monitored process [2024-11-06 04:56:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:56:29,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 1750 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 04:56:29,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:56:30,091 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-06 04:56:30,092 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:56:30,092 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:56:30,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1493285578] [2024-11-06 04:56:30,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1493285578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:56:30,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:56:30,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 04:56:30,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546610771] [2024-11-06 04:56:30,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:56:30,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 04:56:30,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:56:30,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 04:56:30,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 04:56:30,094 INFO L87 Difference]: Start difference. First operand 60 states and 69 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-06 04:56:30,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:56:30,449 INFO L93 Difference]: Finished difference Result 65 states and 73 transitions. [2024-11-06 04:56:30,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 04:56:30,450 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 37 [2024-11-06 04:56:30,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:56:30,451 INFO L225 Difference]: With dead ends: 65 [2024-11-06 04:56:30,451 INFO L226 Difference]: Without dead ends: 56 [2024-11-06 04:56:30,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 04:56:30,452 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-06 04:56:30,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 250 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-06 04:56:30,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-06 04:56:30,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-06 04:56:30,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 36 states have internal predecessors, (36), 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) [2024-11-06 04:56:30,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 64 transitions. [2024-11-06 04:56:30,460 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 64 transitions. Word has length 37 [2024-11-06 04:56:30,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:56:30,460 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 64 transitions. [2024-11-06 04:56:30,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-06 04:56:30,461 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions. [2024-11-06 04:56:30,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-06 04:56:30,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:56:30,462 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, 1, 1] [2024-11-06 04:56:30,497 INFO L552 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 (5)] Ended with exit code 0 [2024-11-06 04:56:30,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 [2024-11-06 04:56:30,663 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:56:30,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:56:30,664 INFO L85 PathProgramCache]: Analyzing trace with hash -412107798, now seen corresponding path program 1 times [2024-11-06 04:56:30,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:56:30,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036397683] [2024-11-06 04:56:30,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:56:30,665 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 [2024-11-06 04:56:30,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:56:30,666 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2024-11-06 04:56:30,667 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 (6)] Waiting until timeout for monitored process [2024-11-06 04:56:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:56:33,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 1737 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-06 04:56:33,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:56:35,079 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-06 04:56:35,079 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:56:35,079 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:56:35,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036397683] [2024-11-06 04:56:35,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2036397683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:56:35,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:56:35,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 04:56:35,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992430853] [2024-11-06 04:56:35,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:56:35,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 04:56:35,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:56:35,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 04:56:35,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 04:56:35,081 INFO L87 Difference]: Start difference. First operand 56 states and 64 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-06 04:56:35,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:56:35,434 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2024-11-06 04:56:35,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 04:56:35,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 39 [2024-11-06 04:56:35,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:56:35,437 INFO L225 Difference]: With dead ends: 64 [2024-11-06 04:56:35,437 INFO L226 Difference]: Without dead ends: 39 [2024-11-06 04:56:35,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 04:56:35,438 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-06 04:56:35,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-06 04:56:35,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-06 04:56:35,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-06 04:56:35,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 24 states have (on average 1.0416666666666667) internal successors, (25), 25 states have internal predecessors, (25), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-06 04:56:35,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2024-11-06 04:56:35,444 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 39 [2024-11-06 04:56:35,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:56:35,444 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2024-11-06 04:56:35,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-06 04:56:35,445 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2024-11-06 04:56:35,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-06 04:56:35,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:56:35,446 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, 1, 1, 1, 1, 1, 1] [2024-11-06 04:56:35,479 INFO L552 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 (6)] Ended with exit code 0 [2024-11-06 04:56:35,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 [2024-11-06 04:56:35,647 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:56:35,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:56:35,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1868321301, now seen corresponding path program 1 times [2024-11-06 04:56:35,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:56:35,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [936301683] [2024-11-06 04:56:35,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:56:35,649 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 [2024-11-06 04:56:35,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:56:35,650 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2024-11-06 04:56:35,652 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 (7)] Waiting until timeout for monitored process [2024-11-06 04:56:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 04:56:38,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 1749 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 04:56:38,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 04:56:40,634 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-06 04:56:40,634 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 04:56:40,635 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 04:56:40,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [936301683] [2024-11-06 04:56:40,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [936301683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 04:56:40,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 04:56:40,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 04:56:40,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198883353] [2024-11-06 04:56:40,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 04:56:40,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 04:56:40,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 04:56:40,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 04:56:40,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 04:56:40,638 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-06 04:56:41,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 04:56:41,366 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2024-11-06 04:56:41,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 04:56:41,367 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 1 states have call successors, (7) Word has length 43 [2024-11-06 04:56:41,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 04:56:41,368 INFO L225 Difference]: With dead ends: 43 [2024-11-06 04:56:41,368 INFO L226 Difference]: Without dead ends: 38 [2024-11-06 04:56:41,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 04:56:41,370 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-06 04:56:41,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 209 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-06 04:56:41,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-06 04:56:41,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-06 04:56:41,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 24 states have (on average 1.0) internal successors, (24), 24 states have internal predecessors, (24), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-06 04:56:41,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2024-11-06 04:56:41,375 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 43 [2024-11-06 04:56:41,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 04:56:41,376 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2024-11-06 04:56:41,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-06 04:56:41,376 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2024-11-06 04:56:41,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-06 04:56:41,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 04:56:41,377 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, 1, 1, 1, 1, 1, 1] [2024-11-06 04:56:41,407 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 (7)] Forceful destruction successful, exit code 0 [2024-11-06 04:56:41,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 [2024-11-06 04:56:41,578 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 04:56:41,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 04:56:41,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1864567635, now seen corresponding path program 1 times [2024-11-06 04:56:41,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 04:56:41,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346828790] [2024-11-06 04:56:41,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 04:56:41,580 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 [2024-11-06 04:56:41,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 04:56:41,581 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2024-11-06 04:56:41,582 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 (8)] Waiting until timeout for monitored process