./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i --full-output --preprocessor.use.memory.slicer true --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version abd6749d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9a13c21fca71909c457a5d9f717a951e2233abbf9da1b3df4e85f912b3c00bdf --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-?-abd6749-m [2023-11-23 06:56:03,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 06:56:03,821 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 06:56:03,826 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 06:56:03,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 06:56:03,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 06:56:03,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 06:56:03,848 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 06:56:03,849 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 06:56:03,852 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 06:56:03,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 06:56:03,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 06:56:03,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 06:56:03,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 06:56:03,854 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 06:56:03,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 06:56:03,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 06:56:03,855 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 06:56:03,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 06:56:03,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 06:56:03,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 06:56:03,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 06:56:03,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 06:56:03,856 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 06:56:03,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 06:56:03,857 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 06:56:03,857 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 06:56:03,857 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 06:56:03,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 06:56:03,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 06:56:03,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 06:56:03,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 06:56:03,858 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 06:56:03,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 06:56:03,859 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 06:56:03,859 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 06:56:03,859 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 06:56:03,859 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 06:56:03,859 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 06:56:03,860 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a13c21fca71909c457a5d9f717a951e2233abbf9da1b3df4e85f912b3c00bdf Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-23 06:56:04,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 06:56:04,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 06:56:04,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 06:56:04,117 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 06:56:04,117 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 06:56:04,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2023-11-23 06:56:04,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 06:56:06,151 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 06:56:06,152 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2023-11-23 06:56:06,181 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b9e1560/98a3abdca69a4f829d4b11cafe9a0c92/FLAGe3d7ca079 [2023-11-23 06:56:06,194 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b9e1560/98a3abdca69a4f829d4b11cafe9a0c92 [2023-11-23 06:56:06,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 06:56:06,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 06:56:06,200 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 06:56:06,200 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 06:56:06,203 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 06:56:06,204 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:56:06" (1/1) ... [2023-11-23 06:56:06,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66095605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:06, skipping insertion in model container [2023-11-23 06:56:06,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:56:06" (1/1) ... [2023-11-23 06:56:06,294 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 06:56:06,509 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4503,4516] [2023-11-23 06:56:06,517 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4563,4576] [2023-11-23 06:56:07,100 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,105 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,106 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,107 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,109 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,119 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,122 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,123 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,124 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,358 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 06:56:07,387 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 06:56:07,391 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 06:56:07,394 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 06:56:07,409 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 06:56:07,412 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 06:56:07,413 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 06:56:07,414 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 06:56:07,415 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 06:56:07,417 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 06:56:07,596 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,596 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,684 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,684 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 06:56:07,758 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 06:56:07,773 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4503,4516] [2023-11-23 06:56:07,774 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4563,4576] [2023-11-23 06:56:07,808 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,808 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,809 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,809 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,809 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,814 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,815 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,818 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,818 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,863 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 06:56:07,863 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 06:56:07,864 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 06:56:07,864 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 06:56:07,865 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 06:56:07,865 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 06:56:07,866 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 06:56:07,866 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 06:56:07,866 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 06:56:07,867 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 06:56:07,896 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,897 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8085] [2023-11-23 06:56:07,930 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,930 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:56:07,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8571-8582] [2023-11-23 06:56:07,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 06:56:08,123 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:56:08,124 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:56:08,124 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:56:08,124 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:56:08,124 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:56:08,124 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:56:08,124 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:56:08,124 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:56:08,125 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:56:08,125 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:56:08,125 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:56:08,125 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:56:08,125 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:56:08,125 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:56:08,125 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:56:08,125 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:56:08,126 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:56:08,126 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:56:08,132 INFO L206 MainTranslator]: Completed translation [2023-11-23 06:56:08,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:08 WrapperNode [2023-11-23 06:56:08,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 06:56:08,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 06:56:08,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 06:56:08,133 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 06:56:08,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:08" (1/1) ... [2023-11-23 06:56:08,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:08" (1/1) ... [2023-11-23 06:56:08,271 INFO L138 Inliner]: procedures = 691, calls = 2503, calls flagged for inlining = 57, calls inlined = 12, statements flattened = 1002 [2023-11-23 06:56:08,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 06:56:08,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 06:56:08,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 06:56:08,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 06:56:08,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:08" (1/1) ... [2023-11-23 06:56:08,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:08" (1/1) ... [2023-11-23 06:56:08,295 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:08" (1/1) ... [2023-11-23 06:56:08,339 WARN L107 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2023-11-23 06:56:08,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:08" (1/1) ... [2023-11-23 06:56:08,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:08" (1/1) ... [2023-11-23 06:56:08,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:08" (1/1) ... [2023-11-23 06:56:08,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:08" (1/1) ... [2023-11-23 06:56:08,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:08" (1/1) ... [2023-11-23 06:56:08,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:08" (1/1) ... [2023-11-23 06:56:08,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 06:56:08,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 06:56:08,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 06:56:08,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 06:56:08,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:08" (1/1) ... [2023-11-23 06:56:08,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 06:56:08,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 06:56:08,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 06:56:08,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 06:56:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-11-23 06:56:08,521 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-11-23 06:56:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 06:56:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 06:56:08,521 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 06:56:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 06:56:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 06:56:08,521 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 06:56:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 06:56:08,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 06:56:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 06:56:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 06:56:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 06:56:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 06:56:08,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 06:56:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 06:56:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 06:56:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2023-11-23 06:56:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2023-11-23 06:56:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-23 06:56:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-23 06:56:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 06:56:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 06:56:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 06:56:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-23 06:56:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-23 06:56:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 06:56:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 06:56:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 06:56:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 06:56:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-23 06:56:08,523 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-23 06:56:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 06:56:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 06:56:08,749 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 06:56:08,751 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 06:56:09,455 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 06:56:09,652 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 06:56:09,653 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-23 06:56:09,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:56:09 BoogieIcfgContainer [2023-11-23 06:56:09,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 06:56:09,655 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 06:56:09,655 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 06:56:09,657 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 06:56:09,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:56:06" (1/3) ... [2023-11-23 06:56:09,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a9779f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:56:09, skipping insertion in model container [2023-11-23 06:56:09,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:08" (2/3) ... [2023-11-23 06:56:09,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a9779f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:56:09, skipping insertion in model container [2023-11-23 06:56:09,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:56:09" (3/3) ... [2023-11-23 06:56:09,660 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness_negated.i [2023-11-23 06:56:09,673 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 06:56:09,674 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 06:56:09,711 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 06:56:09,716 INFO L357 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, mHoare=true, 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;@266acedc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 06:56:09,716 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 06:56:09,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 95 states have internal predecessors, (131), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-23 06:56:09,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 06:56:09,726 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:56:09,727 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:56:09,727 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:56:09,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:56:09,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1969299314, now seen corresponding path program 1 times [2023-11-23 06:56:09,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 06:56:09,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270432221] [2023-11-23 06:56:09,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:56:09,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 06:56:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:10,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:10,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 06:56:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:10,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:10,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 06:56:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:10,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 06:56:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:10,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 06:56:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:10,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 06:56:10,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 06:56:10,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270432221] [2023-11-23 06:56:10,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270432221] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 06:56:10,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 06:56:10,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 06:56:10,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862290153] [2023-11-23 06:56:10,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 06:56:10,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 06:56:10,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 06:56:10,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 06:56:10,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 06:56:10,266 INFO L87 Difference]: Start difference. First operand has 145 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 95 states have internal predecessors, (131), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 06:56:10,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 06:56:10,680 INFO L93 Difference]: Finished difference Result 289 states and 424 transitions. [2023-11-23 06:56:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 06:56:10,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 39 [2023-11-23 06:56:10,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 06:56:10,689 INFO L225 Difference]: With dead ends: 289 [2023-11-23 06:56:10,689 INFO L226 Difference]: Without dead ends: 151 [2023-11-23 06:56:10,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 06:56:10,694 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 114 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 06:56:10,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 236 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 06:56:10,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-11-23 06:56:10,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 143. [2023-11-23 06:56:10,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 93 states have (on average 1.2903225806451613) internal successors, (120), 94 states have internal predecessors, (120), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 06:56:10,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 195 transitions. [2023-11-23 06:56:10,729 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 195 transitions. Word has length 39 [2023-11-23 06:56:10,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 06:56:10,730 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 195 transitions. [2023-11-23 06:56:10,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 06:56:10,731 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 195 transitions. [2023-11-23 06:56:10,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 06:56:10,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:56:10,732 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:56:10,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 06:56:10,732 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:56:10,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:56:10,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1604164274, now seen corresponding path program 1 times [2023-11-23 06:56:10,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 06:56:10,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79518020] [2023-11-23 06:56:10,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:56:10,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 06:56:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:11,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:11,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 06:56:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:11,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:11,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 06:56:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:11,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 06:56:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:11,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 06:56:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:11,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 06:56:11,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 06:56:11,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79518020] [2023-11-23 06:56:11,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79518020] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 06:56:11,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 06:56:11,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 06:56:11,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272004672] [2023-11-23 06:56:11,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 06:56:11,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 06:56:11,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 06:56:11,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 06:56:11,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 06:56:11,203 INFO L87 Difference]: Start difference. First operand 143 states and 195 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-23 06:56:11,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 06:56:11,989 INFO L93 Difference]: Finished difference Result 283 states and 389 transitions. [2023-11-23 06:56:11,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 06:56:11,990 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 39 [2023-11-23 06:56:11,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 06:56:11,994 INFO L225 Difference]: With dead ends: 283 [2023-11-23 06:56:11,994 INFO L226 Difference]: Without dead ends: 153 [2023-11-23 06:56:11,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-23 06:56:11,998 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 188 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 06:56:12,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 422 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 06:56:12,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-11-23 06:56:12,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 145. [2023-11-23 06:56:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 94 states have (on average 1.2872340425531914) internal successors, (121), 96 states have internal predecessors, (121), 38 states have call successors, (38), 11 states have call predecessors, (38), 12 states have return successors, (43), 37 states have call predecessors, (43), 37 states have call successors, (43) [2023-11-23 06:56:12,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 202 transitions. [2023-11-23 06:56:12,023 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 202 transitions. Word has length 39 [2023-11-23 06:56:12,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 06:56:12,024 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 202 transitions. [2023-11-23 06:56:12,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-23 06:56:12,024 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 202 transitions. [2023-11-23 06:56:12,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 06:56:12,025 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:56:12,025 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:56:12,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 06:56:12,025 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:56:12,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:56:12,026 INFO L85 PathProgramCache]: Analyzing trace with hash -768741981, now seen corresponding path program 1 times [2023-11-23 06:56:12,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 06:56:12,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684226784] [2023-11-23 06:56:12,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:56:12,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 06:56:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:12,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:12,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 06:56:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:12,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:12,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 06:56:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:12,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 06:56:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:12,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 06:56:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:12,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 06:56:12,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 06:56:12,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684226784] [2023-11-23 06:56:12,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684226784] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 06:56:12,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 06:56:12,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 06:56:12,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773701861] [2023-11-23 06:56:12,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 06:56:12,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 06:56:12,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 06:56:12,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 06:56:12,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 06:56:12,319 INFO L87 Difference]: Start difference. First operand 145 states and 202 transitions. Second operand has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-23 06:56:13,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 06:56:13,075 INFO L93 Difference]: Finished difference Result 191 states and 257 transitions. [2023-11-23 06:56:13,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 06:56:13,075 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (7), 4 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 45 [2023-11-23 06:56:13,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 06:56:13,077 INFO L225 Difference]: With dead ends: 191 [2023-11-23 06:56:13,077 INFO L226 Difference]: Without dead ends: 157 [2023-11-23 06:56:13,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-23 06:56:13,077 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 117 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 06:56:13,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 581 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 06:56:13,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-11-23 06:56:13,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 147. [2023-11-23 06:56:13,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 96 states have (on average 1.28125) internal successors, (123), 98 states have internal predecessors, (123), 38 states have call successors, (38), 11 states have call predecessors, (38), 12 states have return successors, (43), 37 states have call predecessors, (43), 37 states have call successors, (43) [2023-11-23 06:56:13,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 204 transitions. [2023-11-23 06:56:13,086 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 204 transitions. Word has length 45 [2023-11-23 06:56:13,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 06:56:13,087 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 204 transitions. [2023-11-23 06:56:13,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-23 06:56:13,087 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 204 transitions. [2023-11-23 06:56:13,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 06:56:13,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:56:13,088 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:56:13,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 06:56:13,088 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:56:13,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:56:13,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1109412059, now seen corresponding path program 1 times [2023-11-23 06:56:13,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 06:56:13,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483277680] [2023-11-23 06:56:13,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:56:13,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 06:56:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:13,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:13,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 06:56:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:13,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:13,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 06:56:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:13,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 06:56:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:13,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-23 06:56:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:13,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 06:56:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:13,860 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 06:56:13,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 06:56:13,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483277680] [2023-11-23 06:56:13,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483277680] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 06:56:13,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334128634] [2023-11-23 06:56:13,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:56:13,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 06:56:13,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 06:56:13,862 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 06:56:13,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 06:56:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:14,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 2452 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 06:56:14,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 06:56:14,303 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 06:56:14,304 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 06:56:14,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334128634] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 06:56:14,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 06:56:14,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2023-11-23 06:56:14,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875395949] [2023-11-23 06:56:14,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 06:56:14,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 06:56:14,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 06:56:14,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 06:56:14,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2023-11-23 06:56:14,306 INFO L87 Difference]: Start difference. First operand 147 states and 204 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 06:56:14,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 06:56:14,545 INFO L93 Difference]: Finished difference Result 187 states and 253 transitions. [2023-11-23 06:56:14,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 06:56:14,546 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 52 [2023-11-23 06:56:14,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 06:56:14,547 INFO L225 Difference]: With dead ends: 187 [2023-11-23 06:56:14,547 INFO L226 Difference]: Without dead ends: 153 [2023-11-23 06:56:14,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2023-11-23 06:56:14,548 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 3 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 06:56:14,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 917 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 06:56:14,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-11-23 06:56:14,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 147. [2023-11-23 06:56:14,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 96 states have (on average 1.28125) internal successors, (123), 98 states have internal predecessors, (123), 38 states have call successors, (38), 11 states have call predecessors, (38), 12 states have return successors, (43), 37 states have call predecessors, (43), 37 states have call successors, (43) [2023-11-23 06:56:14,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 204 transitions. [2023-11-23 06:56:14,557 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 204 transitions. Word has length 52 [2023-11-23 06:56:14,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 06:56:14,557 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 204 transitions. [2023-11-23 06:56:14,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 06:56:14,557 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 204 transitions. [2023-11-23 06:56:14,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 06:56:14,559 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:56:14,559 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:56:14,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 06:56:14,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 06:56:14,771 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:56:14,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:56:14,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1564785980, now seen corresponding path program 1 times [2023-11-23 06:56:14,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 06:56:14,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099646585] [2023-11-23 06:56:14,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:56:14,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 06:56:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:15,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:15,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 06:56:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:15,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:15,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 06:56:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:15,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 06:56:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:16,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 06:56:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:16,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 06:56:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:16,265 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 06:56:16,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 06:56:16,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099646585] [2023-11-23 06:56:16,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099646585] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 06:56:16,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309346057] [2023-11-23 06:56:16,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:56:16,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 06:56:16,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 06:56:16,289 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 06:56:16,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 06:56:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:16,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 2464 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-23 06:56:16,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 06:56:16,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-23 06:56:17,135 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 06:56:17,135 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 06:56:17,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309346057] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 06:56:17,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 06:56:17,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 20 [2023-11-23 06:56:17,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907533280] [2023-11-23 06:56:17,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 06:56:17,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 06:56:17,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 06:56:17,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 06:56:17,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2023-11-23 06:56:17,136 INFO L87 Difference]: Start difference. First operand 147 states and 204 transitions. Second operand has 11 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 4 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-23 06:56:20,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:56:22,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:56:24,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:56:26,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:56:28,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:56:31,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:56:33,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:56:35,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:56:38,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:56:40,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:56:42,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:56:44,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:56:46,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:56:48,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:56:48,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 06:56:48,332 INFO L93 Difference]: Finished difference Result 398 states and 556 transitions. [2023-11-23 06:56:48,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 06:56:48,333 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 4 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 56 [2023-11-23 06:56:48,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 06:56:48,334 INFO L225 Difference]: With dead ends: 398 [2023-11-23 06:56:48,334 INFO L226 Difference]: Without dead ends: 264 [2023-11-23 06:56:48,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 53 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2023-11-23 06:56:48,335 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 182 mSDsluCounter, 1460 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 12 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 1715 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.0s IncrementalHoareTripleChecker+Time [2023-11-23 06:56:48,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 1715 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 845 Invalid, 15 Unknown, 0 Unchecked, 31.0s Time] [2023-11-23 06:56:48,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-11-23 06:56:48,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 260. [2023-11-23 06:56:48,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 173 states have (on average 1.2890173410404624) internal successors, (223), 180 states have internal predecessors, (223), 63 states have call successors, (63), 19 states have call predecessors, (63), 23 states have return successors, (79), 60 states have call predecessors, (79), 61 states have call successors, (79) [2023-11-23 06:56:48,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 365 transitions. [2023-11-23 06:56:48,352 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 365 transitions. Word has length 56 [2023-11-23 06:56:48,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 06:56:48,352 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 365 transitions. [2023-11-23 06:56:48,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 4 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-23 06:56:48,353 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 365 transitions. [2023-11-23 06:56:48,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 06:56:48,354 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:56:48,354 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:56:48,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 06:56:48,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 06:56:48,565 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:56:48,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:56:48,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1910033724, now seen corresponding path program 1 times [2023-11-23 06:56:48,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 06:56:48,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815729358] [2023-11-23 06:56:48,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:56:48,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 06:56:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:49,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:49,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 06:56:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:49,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:49,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 06:56:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:49,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 06:56:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:49,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 06:56:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:49,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 06:56:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:49,226 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 06:56:49,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 06:56:49,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815729358] [2023-11-23 06:56:49,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815729358] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 06:56:49,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830010540] [2023-11-23 06:56:49,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:56:49,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 06:56:49,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 06:56:49,228 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 06:56:49,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 06:56:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:49,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 2488 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 06:56:49,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 06:56:49,709 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 06:56:49,709 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 06:56:49,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830010540] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 06:56:49,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 06:56:49,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 15 [2023-11-23 06:56:49,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936885447] [2023-11-23 06:56:49,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 06:56:49,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 06:56:49,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 06:56:49,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 06:56:49,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-11-23 06:56:49,713 INFO L87 Difference]: Start difference. First operand 260 states and 365 transitions. Second operand has 9 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-23 06:56:50,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 06:56:50,137 INFO L93 Difference]: Finished difference Result 515 states and 732 transitions. [2023-11-23 06:56:50,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 06:56:50,138 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 64 [2023-11-23 06:56:50,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 06:56:50,140 INFO L225 Difference]: With dead ends: 515 [2023-11-23 06:56:50,140 INFO L226 Difference]: Without dead ends: 268 [2023-11-23 06:56:50,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2023-11-23 06:56:50,141 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 13 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1369 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 06:56:50,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1369 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 06:56:50,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2023-11-23 06:56:50,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 264. [2023-11-23 06:56:50,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 176 states have (on average 1.2840909090909092) internal successors, (226), 184 states have internal predecessors, (226), 63 states have call successors, (63), 19 states have call predecessors, (63), 24 states have return successors, (86), 60 states have call predecessors, (86), 61 states have call successors, (86) [2023-11-23 06:56:50,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 375 transitions. [2023-11-23 06:56:50,156 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 375 transitions. Word has length 64 [2023-11-23 06:56:50,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 06:56:50,156 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 375 transitions. [2023-11-23 06:56:50,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-23 06:56:50,157 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 375 transitions. [2023-11-23 06:56:50,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 06:56:50,158 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:56:50,158 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:56:50,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 06:56:50,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 06:56:50,372 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:56:50,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:56:50,373 INFO L85 PathProgramCache]: Analyzing trace with hash 94414913, now seen corresponding path program 1 times [2023-11-23 06:56:50,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 06:56:50,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10334575] [2023-11-23 06:56:50,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:56:50,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 06:56:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:51,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:51,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 06:56:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:51,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 06:56:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:51,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 06:56:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:51,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 06:56:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:51,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 06:56:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 06:56:51,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 06:56:51,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10334575] [2023-11-23 06:56:51,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10334575] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 06:56:51,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 06:56:51,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 06:56:51,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843967108] [2023-11-23 06:56:51,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 06:56:51,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 06:56:51,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 06:56:51,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 06:56:51,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-11-23 06:56:51,149 INFO L87 Difference]: Start difference. First operand 264 states and 375 transitions. Second operand has 11 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 06:56:52,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 06:56:52,229 INFO L93 Difference]: Finished difference Result 292 states and 407 transitions. [2023-11-23 06:56:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 06:56:52,229 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 66 [2023-11-23 06:56:52,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 06:56:52,231 INFO L225 Difference]: With dead ends: 292 [2023-11-23 06:56:52,231 INFO L226 Difference]: Without dead ends: 280 [2023-11-23 06:56:52,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2023-11-23 06:56:52,232 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 134 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 1010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 06:56:52,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 887 Invalid, 1010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 06:56:52,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2023-11-23 06:56:52,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 268. [2023-11-23 06:56:52,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 180 states have (on average 1.2777777777777777) internal successors, (230), 188 states have internal predecessors, (230), 63 states have call successors, (63), 19 states have call predecessors, (63), 24 states have return successors, (80), 60 states have call predecessors, (80), 61 states have call successors, (80) [2023-11-23 06:56:52,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 373 transitions. [2023-11-23 06:56:52,258 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 373 transitions. Word has length 66 [2023-11-23 06:56:52,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 06:56:52,259 INFO L495 AbstractCegarLoop]: Abstraction has 268 states and 373 transitions. [2023-11-23 06:56:52,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 06:56:52,259 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 373 transitions. [2023-11-23 06:56:52,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-23 06:56:52,260 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:56:52,260 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:56:52,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 06:56:52,260 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:56:52,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:56:52,261 INFO L85 PathProgramCache]: Analyzing trace with hash -2056401986, now seen corresponding path program 1 times [2023-11-23 06:56:52,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 06:56:52,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431295023] [2023-11-23 06:56:52,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:56:52,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 06:56:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:52,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:52,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 06:56:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:52,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:52,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 06:56:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:52,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 06:56:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:52,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 06:56:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:52,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 06:56:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:52,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:52,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-23 06:56:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:52,906 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 06:56:52,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 06:56:52,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431295023] [2023-11-23 06:56:52,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431295023] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 06:56:52,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530104727] [2023-11-23 06:56:52,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:56:52,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 06:56:52,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 06:56:52,908 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 06:56:52,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 06:56:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:53,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 2576 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 06:56:53,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 06:56:53,364 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 06:56:53,364 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 06:56:53,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530104727] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 06:56:53,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 06:56:53,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2023-11-23 06:56:53,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872087863] [2023-11-23 06:56:53,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 06:56:53,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 06:56:53,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 06:56:53,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 06:56:53,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-11-23 06:56:53,366 INFO L87 Difference]: Start difference. First operand 268 states and 373 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2023-11-23 06:56:53,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 06:56:53,642 INFO L93 Difference]: Finished difference Result 519 states and 726 transitions. [2023-11-23 06:56:53,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 06:56:53,643 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 69 [2023-11-23 06:56:53,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 06:56:53,644 INFO L225 Difference]: With dead ends: 519 [2023-11-23 06:56:53,645 INFO L226 Difference]: Without dead ends: 272 [2023-11-23 06:56:53,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2023-11-23 06:56:53,646 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 114 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 06:56:53,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 689 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 06:56:53,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2023-11-23 06:56:53,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2023-11-23 06:56:53,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 182 states have (on average 1.2747252747252746) internal successors, (232), 192 states have internal predecessors, (232), 63 states have call successors, (63), 19 states have call predecessors, (63), 26 states have return successors, (87), 60 states have call predecessors, (87), 61 states have call successors, (87) [2023-11-23 06:56:53,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 382 transitions. [2023-11-23 06:56:53,666 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 382 transitions. Word has length 69 [2023-11-23 06:56:53,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 06:56:53,666 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 382 transitions. [2023-11-23 06:56:53,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2023-11-23 06:56:53,666 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 382 transitions. [2023-11-23 06:56:53,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 06:56:53,667 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:56:53,667 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:56:53,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 06:56:53,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 06:56:53,888 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:56:53,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:56:53,888 INFO L85 PathProgramCache]: Analyzing trace with hash -527947172, now seen corresponding path program 1 times [2023-11-23 06:56:53,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 06:56:53,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433680814] [2023-11-23 06:56:53,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:56:53,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 06:56:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:54,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:54,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 06:56:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:54,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:54,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 06:56:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:54,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 06:56:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:54,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 06:56:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:54,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 06:56:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:54,667 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 06:56:54,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 06:56:54,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433680814] [2023-11-23 06:56:54,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433680814] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 06:56:54,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56555767] [2023-11-23 06:56:54,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:56:54,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 06:56:54,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 06:56:54,669 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 06:56:54,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 06:56:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:55,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 2498 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 06:56:55,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 06:56:55,263 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 06:56:55,263 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 06:56:55,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56555767] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 06:56:55,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 06:56:55,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2023-11-23 06:56:55,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556897709] [2023-11-23 06:56:55,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 06:56:55,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 06:56:55,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 06:56:55,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 06:56:55,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-23 06:56:55,265 INFO L87 Difference]: Start difference. First operand 272 states and 382 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 06:56:55,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 06:56:55,621 INFO L93 Difference]: Finished difference Result 570 states and 844 transitions. [2023-11-23 06:56:55,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 06:56:55,622 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 68 [2023-11-23 06:56:55,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 06:56:55,623 INFO L225 Difference]: With dead ends: 570 [2023-11-23 06:56:55,623 INFO L226 Difference]: Without dead ends: 311 [2023-11-23 06:56:55,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-23 06:56:55,626 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 38 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 06:56:55,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 510 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 06:56:55,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2023-11-23 06:56:55,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 282. [2023-11-23 06:56:55,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 192 states have (on average 1.28125) internal successors, (246), 202 states have internal predecessors, (246), 63 states have call successors, (63), 19 states have call predecessors, (63), 26 states have return successors, (87), 60 states have call predecessors, (87), 61 states have call successors, (87) [2023-11-23 06:56:55,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 396 transitions. [2023-11-23 06:56:55,645 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 396 transitions. Word has length 68 [2023-11-23 06:56:55,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 06:56:55,645 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 396 transitions. [2023-11-23 06:56:55,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 06:56:55,645 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 396 transitions. [2023-11-23 06:56:55,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 06:56:55,649 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:56:55,649 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:56:55,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-23 06:56:55,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 06:56:55,865 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:56:55,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:56:55,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1130826268, now seen corresponding path program 1 times [2023-11-23 06:56:55,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 06:56:55,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146979282] [2023-11-23 06:56:55,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:56:55,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 06:56:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:56,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:56,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 06:56:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:56,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:56,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 06:56:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:56,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 06:56:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:56,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 06:56:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:56,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 06:56:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:56,113 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 06:56:56,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 06:56:56,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146979282] [2023-11-23 06:56:56,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146979282] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 06:56:56,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109701196] [2023-11-23 06:56:56,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:56:56,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 06:56:56,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 06:56:56,123 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 06:56:56,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 06:56:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:56,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 2488 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 06:56:56,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 06:56:56,513 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 06:56:56,513 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 06:56:56,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109701196] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 06:56:56,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 06:56:56,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2023-11-23 06:56:56,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682346147] [2023-11-23 06:56:56,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 06:56:56,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 06:56:56,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 06:56:56,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 06:56:56,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 06:56:56,516 INFO L87 Difference]: Start difference. First operand 282 states and 396 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 06:56:56,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 06:56:56,660 INFO L93 Difference]: Finished difference Result 561 states and 800 transitions. [2023-11-23 06:56:56,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 06:56:56,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 68 [2023-11-23 06:56:56,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 06:56:56,662 INFO L225 Difference]: With dead ends: 561 [2023-11-23 06:56:56,662 INFO L226 Difference]: Without dead ends: 292 [2023-11-23 06:56:56,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-23 06:56:56,664 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 9 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 06:56:56,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 541 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 06:56:56,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2023-11-23 06:56:56,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 286. [2023-11-23 06:56:56,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 196 states have (on average 1.2755102040816326) internal successors, (250), 206 states have internal predecessors, (250), 63 states have call successors, (63), 19 states have call predecessors, (63), 26 states have return successors, (87), 60 states have call predecessors, (87), 61 states have call successors, (87) [2023-11-23 06:56:56,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 400 transitions. [2023-11-23 06:56:56,677 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 400 transitions. Word has length 68 [2023-11-23 06:56:56,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 06:56:56,677 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 400 transitions. [2023-11-23 06:56:56,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 06:56:56,678 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 400 transitions. [2023-11-23 06:56:56,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 06:56:56,679 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:56:56,679 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:56:56,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-23 06:56:56,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 06:56:56,916 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:56:56,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:56:56,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1757356700, now seen corresponding path program 1 times [2023-11-23 06:56:56,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 06:56:56,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995138728] [2023-11-23 06:56:56,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:56:56,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 06:56:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:57,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:57,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 06:56:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:57,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 06:56:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:57,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 06:56:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:57,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 06:56:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:57,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 06:56:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:57,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 06:56:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:57,145 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 06:56:57,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 06:56:57,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995138728] [2023-11-23 06:56:57,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995138728] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 06:56:57,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841893934] [2023-11-23 06:56:57,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:56:57,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 06:56:57,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 06:56:57,161 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 06:56:57,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 06:56:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:56:57,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 2492 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 06:56:57,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 06:56:57,527 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 06:56:57,527 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 06:56:57,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841893934] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 06:56:57,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 06:56:57,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2023-11-23 06:56:57,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641197784] [2023-11-23 06:56:57,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 06:56:57,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 06:56:57,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 06:56:57,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 06:56:57,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 06:56:57,528 INFO L87 Difference]: Start difference. First operand 286 states and 400 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 06:56:57,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 06:56:57,684 INFO L93 Difference]: Finished difference Result 593 states and 848 transitions. [2023-11-23 06:56:57,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 06:56:57,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 68 [2023-11-23 06:56:57,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 06:56:57,686 INFO L225 Difference]: With dead ends: 593 [2023-11-23 06:56:57,686 INFO L226 Difference]: Without dead ends: 320 [2023-11-23 06:56:57,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-23 06:56:57,687 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 28 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 06:56:57,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 555 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 06:56:57,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2023-11-23 06:56:57,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 286. [2023-11-23 06:56:57,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 196 states have (on average 1.2653061224489797) internal successors, (248), 206 states have internal predecessors, (248), 63 states have call successors, (63), 19 states have call predecessors, (63), 26 states have return successors, (87), 60 states have call predecessors, (87), 61 states have call successors, (87) [2023-11-23 06:56:57,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 398 transitions. [2023-11-23 06:56:57,698 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 398 transitions. Word has length 68 [2023-11-23 06:56:57,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 06:56:57,699 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 398 transitions. [2023-11-23 06:56:57,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 06:56:57,699 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 398 transitions. [2023-11-23 06:56:57,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 06:56:57,699 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:56:57,699 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:56:57,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-23 06:56:57,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 06:56:57,914 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:56:57,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:56:57,914 INFO L85 PathProgramCache]: Analyzing trace with hash 383199964, now seen corresponding path program 1 times [2023-11-23 06:56:57,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 06:56:57,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843153041] [2023-11-23 06:56:57,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:56:57,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 06:56:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 06:56:58,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 06:56:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 06:56:58,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 06:56:58,253 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 06:56:58,254 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 06:56:58,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-23 06:56:58,257 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:56:58,260 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 06:56:58,307 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,310 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,310 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,311 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,311 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,311 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,311 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret478 could not be translated [2023-11-23 06:56:58,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite480 [2023-11-23 06:56:58,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret478 could not be translated [2023-11-23 06:56:58,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem482 could not be translated [2023-11-23 06:56:58,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,314 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,314 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,314 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,317 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,317 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,317 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,317 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,317 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem482 could not be translated [2023-11-23 06:56:58,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret483 [2023-11-23 06:56:58,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated [2023-11-23 06:56:58,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated [2023-11-23 06:56:58,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated [2023-11-23 06:56:58,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated [2023-11-23 06:56:58,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated [2023-11-23 06:56:58,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated [2023-11-23 06:56:58,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated [2023-11-23 06:56:58,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem627 could not be translated [2023-11-23 06:56:58,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short628 could not be translated [2023-11-23 06:56:58,325 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated [2023-11-23 06:56:58,325 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated [2023-11-23 06:56:58,325 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,325 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem625 could not be translated [2023-11-23 06:56:58,325 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,325 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem626 could not be translated [2023-11-23 06:56:58,325 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated [2023-11-23 06:56:58,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated [2023-11-23 06:56:58,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short633 could not be translated [2023-11-23 06:56:58,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short628 could not be translated [2023-11-23 06:56:58,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem629 could not be translated [2023-11-23 06:56:58,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated [2023-11-23 06:56:58,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short631 could not be translated [2023-11-23 06:56:58,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem627 could not be translated [2023-11-23 06:56:58,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated [2023-11-23 06:56:58,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated [2023-11-23 06:56:58,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem625 could not be translated [2023-11-23 06:56:58,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem626 could not be translated [2023-11-23 06:56:58,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated [2023-11-23 06:56:58,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short633 could not be translated [2023-11-23 06:56:58,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short632 could not be translated [2023-11-23 06:56:58,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short628 could not be translated [2023-11-23 06:56:58,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem629 could not be translated [2023-11-23 06:56:58,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated [2023-11-23 06:56:58,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short631 could not be translated [2023-11-23 06:56:58,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem627 could not be translated [2023-11-23 06:56:58,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated [2023-11-23 06:56:58,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated [2023-11-23 06:56:58,330 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem625 could not be translated [2023-11-23 06:56:58,330 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem626 could not be translated [2023-11-23 06:56:58,330 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated [2023-11-23 06:56:58,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short633 could not be translated [2023-11-23 06:56:58,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short632 could not be translated [2023-11-23 06:56:58,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short628 could not be translated [2023-11-23 06:56:58,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem629 could not be translated [2023-11-23 06:56:58,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated [2023-11-23 06:56:58,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short631 could not be translated [2023-11-23 06:56:58,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem627 could not be translated [2023-11-23 06:56:58,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated [2023-11-23 06:56:58,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated [2023-11-23 06:56:58,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem625 could not be translated [2023-11-23 06:56:58,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem626 could not be translated [2023-11-23 06:56:58,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated [2023-11-23 06:56:58,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short633 could not be translated [2023-11-23 06:56:58,339 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short632 could not be translated [2023-11-23 06:56:58,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short628 could not be translated [2023-11-23 06:56:58,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem629 could not be translated [2023-11-23 06:56:58,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated [2023-11-23 06:56:58,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short631 could not be translated [2023-11-23 06:56:58,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem627 could not be translated [2023-11-23 06:56:58,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated [2023-11-23 06:56:58,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated [2023-11-23 06:56:58,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem625 could not be translated [2023-11-23 06:56:58,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem626 could not be translated [2023-11-23 06:56:58,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated [2023-11-23 06:56:58,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short633 could not be translated [2023-11-23 06:56:58,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short632 could not be translated [2023-11-23 06:56:58,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,343 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret1158 could not be translated [2023-11-23 06:56:58,343 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,343 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,343 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,346 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,346 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,346 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,346 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,346 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,346 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,346 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,347 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,347 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret1158 could not be translated [2023-11-23 06:56:58,347 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,347 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,347 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,347 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,348 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem910 [2023-11-23 06:56:58,348 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,348 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,348 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,348 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,348 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,348 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,349 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,349 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,349 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,349 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,349 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,349 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret911 could not be translated [2023-11-23 06:56:58,350 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,350 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,350 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,350 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,350 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,350 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,351 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,351 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,351 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated [2023-11-23 06:56:58,351 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated [2023-11-23 06:56:58,351 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,351 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,351 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,351 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,351 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated [2023-11-23 06:56:58,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated [2023-11-23 06:56:58,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated [2023-11-23 06:56:58,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated [2023-11-23 06:56:58,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated [2023-11-23 06:56:58,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem627 could not be translated [2023-11-23 06:56:58,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short628 could not be translated [2023-11-23 06:56:58,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated [2023-11-23 06:56:58,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated [2023-11-23 06:56:58,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem625 could not be translated [2023-11-23 06:56:58,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem626 could not be translated [2023-11-23 06:56:58,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated [2023-11-23 06:56:58,354 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,354 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,354 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated [2023-11-23 06:56:58,354 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short633 could not be translated [2023-11-23 06:56:58,354 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short628 could not be translated [2023-11-23 06:56:58,354 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,354 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem629 could not be translated [2023-11-23 06:56:58,354 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated [2023-11-23 06:56:58,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short631 could not be translated [2023-11-23 06:56:58,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem627 could not be translated [2023-11-23 06:56:58,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated [2023-11-23 06:56:58,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated [2023-11-23 06:56:58,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem625 could not be translated [2023-11-23 06:56:58,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem626 could not be translated [2023-11-23 06:56:58,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated [2023-11-23 06:56:58,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short633 could not be translated [2023-11-23 06:56:58,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short632 could not be translated [2023-11-23 06:56:58,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short628 could not be translated [2023-11-23 06:56:58,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem629 could not be translated [2023-11-23 06:56:58,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated [2023-11-23 06:56:58,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short631 could not be translated [2023-11-23 06:56:58,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem627 could not be translated [2023-11-23 06:56:58,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated [2023-11-23 06:56:58,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated [2023-11-23 06:56:58,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem625 could not be translated [2023-11-23 06:56:58,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem626 could not be translated [2023-11-23 06:56:58,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated [2023-11-23 06:56:58,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short633 could not be translated [2023-11-23 06:56:58,358 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short632 could not be translated [2023-11-23 06:56:58,358 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short628 could not be translated [2023-11-23 06:56:58,358 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,358 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,358 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem629 could not be translated [2023-11-23 06:56:58,358 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated [2023-11-23 06:56:58,358 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short631 could not be translated [2023-11-23 06:56:58,358 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,358 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem627 could not be translated [2023-11-23 06:56:58,359 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated [2023-11-23 06:56:58,359 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated [2023-11-23 06:56:58,359 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem625 could not be translated [2023-11-23 06:56:58,359 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,359 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem626 could not be translated [2023-11-23 06:56:58,359 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated [2023-11-23 06:56:58,360 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short633 could not be translated [2023-11-23 06:56:58,360 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short632 could not be translated [2023-11-23 06:56:58,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short628 could not be translated [2023-11-23 06:56:58,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem629 could not be translated [2023-11-23 06:56:58,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated [2023-11-23 06:56:58,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short631 could not be translated [2023-11-23 06:56:58,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem627 could not be translated [2023-11-23 06:56:58,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated [2023-11-23 06:56:58,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated [2023-11-23 06:56:58,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem625 could not be translated [2023-11-23 06:56:58,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem626 could not be translated [2023-11-23 06:56:58,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated [2023-11-23 06:56:58,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short633 could not be translated [2023-11-23 06:56:58,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short632 could not be translated [2023-11-23 06:56:58,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret1167 could not be translated [2023-11-23 06:56:58,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-11-23 06:56:58,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-11-23 06:56:58,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-11-23 06:56:58,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-11-23 06:56:58,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:56:58 BoogieIcfgContainer [2023-11-23 06:56:58,382 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 06:56:58,383 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 06:56:58,383 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 06:56:58,383 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 06:56:58,384 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:56:09" (3/4) ... [2023-11-23 06:56:58,386 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 06:56:58,387 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 06:56:58,388 INFO L158 Benchmark]: Toolchain (without parser) took 52189.49ms. Allocated memory was 142.6MB in the beginning and 333.4MB in the end (delta: 190.8MB). Free memory was 93.5MB in the beginning and 218.4MB in the end (delta: -124.9MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2023-11-23 06:56:58,388 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 06:56:58,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1932.84ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 93.1MB in the beginning and 129.2MB in the end (delta: -36.1MB). Peak memory consumption was 95.3MB. Max. memory is 16.1GB. [2023-11-23 06:56:58,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.87ms. Allocated memory is still 188.7MB. Free memory was 129.2MB in the beginning and 116.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 06:56:58,389 INFO L158 Benchmark]: Boogie Preprocessor took 142.33ms. Allocated memory is still 188.7MB. Free memory was 116.7MB in the beginning and 101.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 06:56:58,389 INFO L158 Benchmark]: RCFGBuilder took 1237.55ms. Allocated memory was 188.7MB in the beginning and 230.7MB in the end (delta: 41.9MB). Free memory was 101.9MB in the beginning and 165.7MB in the end (delta: -63.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-23 06:56:58,389 INFO L158 Benchmark]: TraceAbstraction took 48728.02ms. Allocated memory was 230.7MB in the beginning and 333.4MB in the end (delta: 102.8MB). Free memory was 164.8MB in the beginning and 218.4MB in the end (delta: -53.7MB). Peak memory consumption was 187.5MB. Max. memory is 16.1GB. [2023-11-23 06:56:58,389 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 333.4MB. Free memory is still 218.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 06:56:58,391 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1932.84ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 93.1MB in the beginning and 129.2MB in the end (delta: -36.1MB). Peak memory consumption was 95.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 138.87ms. Allocated memory is still 188.7MB. Free memory was 129.2MB in the beginning and 116.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 142.33ms. Allocated memory is still 188.7MB. Free memory was 116.7MB in the beginning and 101.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1237.55ms. Allocated memory was 188.7MB in the beginning and 230.7MB in the end (delta: 41.9MB). Free memory was 101.9MB in the beginning and 165.7MB in the end (delta: -63.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 48728.02ms. Allocated memory was 230.7MB in the beginning and 333.4MB in the end (delta: 102.8MB). Free memory was 164.8MB in the beginning and 218.4MB in the end (delta: -53.7MB). Peak memory consumption was 187.5MB. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 333.4MB. Free memory is still 218.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8085]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8085] - GenericResultAtLocation [Line: 8571]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8571-8582] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret478 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ite480 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret478 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem482 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem482 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret483 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem627 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short628 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem625 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem626 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short633 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short628 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem629 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short631 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem627 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem625 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem626 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short633 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short632 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short628 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem629 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short631 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem627 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem625 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem626 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short633 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short632 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short628 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem629 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short631 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem627 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem625 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem626 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short633 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short632 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short628 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem629 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short631 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem627 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem625 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem626 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short633 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short632 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret1158 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret1158 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem910 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret911 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem627 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short628 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem625 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem626 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short633 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short628 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem629 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short631 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem627 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem625 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem626 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short633 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short632 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short628 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem629 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short631 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem627 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem625 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem626 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short633 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short632 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short628 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem629 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short631 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem627 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem625 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem626 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short633 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short632 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short628 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem629 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short622 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short631 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem627 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short634 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem620 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem625 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem626 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short624 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short633 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short632 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret1167 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 223]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of large string literal at line 8588. Possible FailurePath: [L6848-L6853] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7081] static __thread int tl_last_error = 0; [L7464-L7476] static const uint8_t s_tolower_table[256] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 91, 92, 93, 94, 95, 96, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255}; [L8587-L8735] static struct aws_error_info errors[] = { [(AWS_ERROR_SUCCESS)-0x0000] = { .literal_name = "AWS_ERROR_SUCCESS", .error_code = (AWS_ERROR_SUCCESS), .error_str = ("Success."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SUCCESS" ", " "Success.", } , [(AWS_ERROR_OOM)-0x0000] = { .literal_name = "AWS_ERROR_OOM", .error_code = (AWS_ERROR_OOM), .error_str = ("Out of memory."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OOM" ", " "Out of memory.", } , [(AWS_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_UNKNOWN", .error_code = (AWS_ERROR_UNKNOWN), .error_str = ("Unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNKNOWN" ", " "Unknown error.", } , [(AWS_ERROR_SHORT_BUFFER)-0x0000] = { .literal_name = "AWS_ERROR_SHORT_BUFFER", .error_code = (AWS_ERROR_SHORT_BUFFER), .error_str = ("Buffer is not large enough to hold result."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SHORT_BUFFER" ", " "Buffer is not large enough to hold result.", } , [(AWS_ERROR_OVERFLOW_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_OVERFLOW_DETECTED", .error_code = (AWS_ERROR_OVERFLOW_DETECTED), .error_str = ("Fixed size value overflow was detected."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OVERFLOW_DETECTED" ", " "Fixed size value overflow was detected.", } , [(AWS_ERROR_UNSUPPORTED_OPERATION)-0x0000] = { .literal_name = "AWS_ERROR_UNSUPPORTED_OPERATION", .error_code = (AWS_ERROR_UNSUPPORTED_OPERATION), .error_str = ("Unsupported operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNSUPPORTED_OPERATION" ", " "Unsupported operation.", } , [(AWS_ERROR_INVALID_BUFFER_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BUFFER_SIZE", .error_code = (AWS_ERROR_INVALID_BUFFER_SIZE), .error_str = ("Invalid buffer size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BUFFER_SIZE" ", " "Invalid buffer size.", } , [(AWS_ERROR_INVALID_HEX_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_HEX_STR", .error_code = (AWS_ERROR_INVALID_HEX_STR), .error_str = ("Invalid hex string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_HEX_STR" ", " "Invalid hex string.", } , [(AWS_ERROR_INVALID_BASE64_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BASE64_STR", .error_code = (AWS_ERROR_INVALID_BASE64_STR), .error_str = ("Invalid base64 string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BASE64_STR" ", " "Invalid base64 string.", } , [(AWS_ERROR_INVALID_INDEX)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_INDEX", .error_code = (AWS_ERROR_INVALID_INDEX), .error_str = ("Invalid index for list access."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_INDEX" ", " "Invalid index for list access.", } , [(AWS_ERROR_THREAD_INVALID_SETTINGS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INVALID_SETTINGS", .error_code = (AWS_ERROR_THREAD_INVALID_SETTINGS), .error_str = ("Invalid thread settings."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INVALID_SETTINGS" ", " "Invalid thread settings.", } , [(AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE", .error_code = (AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE), .error_str = ("Insufficent resources for thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE" ", " "Insufficent resources for thread.", } , [(AWS_ERROR_THREAD_NO_PERMISSIONS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_PERMISSIONS", .error_code = (AWS_ERROR_THREAD_NO_PERMISSIONS), .error_str = ("Insufficient permissions for thread operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_PERMISSIONS" ", " "Insufficient permissions for thread operation.", } , [(AWS_ERROR_THREAD_NOT_JOINABLE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NOT_JOINABLE", .error_code = (AWS_ERROR_THREAD_NOT_JOINABLE), .error_str = ("Thread not joinable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NOT_JOINABLE" ", " "Thread not joinable.", } , [(AWS_ERROR_THREAD_NO_SUCH_THREAD_ID)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID", .error_code = (AWS_ERROR_THREAD_NO_SUCH_THREAD_ID), .error_str = ("No such thread ID."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID" ", " "No such thread ID.", } , [(AWS_ERROR_THREAD_DEADLOCK_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_DEADLOCK_DETECTED", .error_code = (AWS_ERROR_THREAD_DEADLOCK_DETECTED), .error_str = ("Deadlock detected in thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_DEADLOCK_DETECTED" ", " "Deadlock detected in thread.", } , [(AWS_ERROR_MUTEX_NOT_INIT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_NOT_INIT", .error_code = (AWS_ERROR_MUTEX_NOT_INIT), .error_str = ("Mutex not initialized."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_NOT_INIT" ", " "Mutex not initialized.", } , [(AWS_ERROR_MUTEX_TIMEOUT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_TIMEOUT", .error_code = (AWS_ERROR_MUTEX_TIMEOUT), .error_str = ("Mutex operation timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_TIMEOUT" ", " "Mutex operation timed out.", } , [(AWS_ERROR_MUTEX_CALLER_NOT_OWNER)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_CALLER_NOT_OWNER", .error_code = (AWS_ERROR_MUTEX_CALLER_NOT_OWNER), .error_str = ("The caller of a mutex operation was not the owner."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_CALLER_NOT_OWNER" ", " "The caller of a mutex operation was not the owner.", } , [(AWS_ERROR_MUTEX_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_FAILED", .error_code = (AWS_ERROR_MUTEX_FAILED), .error_str = ("Mutex operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_FAILED" ", " "Mutex operation failed.", } , [(AWS_ERROR_COND_VARIABLE_INIT_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_INIT_FAILED", .error_code = (AWS_ERROR_COND_VARIABLE_INIT_FAILED), .error_str = ("Condition variable initialization failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_INIT_FAILED" ", " "Condition variable initialization failed.", } , [(AWS_ERROR_COND_VARIABLE_TIMED_OUT)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_TIMED_OUT", .error_code = (AWS_ERROR_COND_VARIABLE_TIMED_OUT), .error_str = ("Condition variable wait timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_TIMED_OUT" ", " "Condition variable wait timed out.", } , [(AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN", .error_code = (AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN), .error_str = ("Condition variable unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN" ", " "Condition variable unknown error.", } , [(AWS_ERROR_CLOCK_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_CLOCK_FAILURE", .error_code = (AWS_ERROR_CLOCK_FAILURE), .error_str = ("Clock operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_CLOCK_FAILURE" ", " "Clock operation failed.", } , [(AWS_ERROR_LIST_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EMPTY", .error_code = (AWS_ERROR_LIST_EMPTY), .error_str = ("Empty list."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EMPTY" ", " "Empty list.", } , [(AWS_ERROR_DEST_COPY_TOO_SMALL)-0x0000] = { .literal_name = "AWS_ERROR_DEST_COPY_TOO_SMALL", .error_code = (AWS_ERROR_DEST_COPY_TOO_SMALL), .error_str = ("Destination of copy is too small."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_DEST_COPY_TOO_SMALL" ", " "Destination of copy is too small.", } , [(AWS_ERROR_LIST_EXCEEDS_MAX_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE", .error_code = (AWS_ERROR_LIST_EXCEEDS_MAX_SIZE), .error_str = ("A requested operation on a list would exceed it's max size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE" ", " "A requested operation on a list would exceed it's max size.", } , [(AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK)-0x0000] = { .literal_name = "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK", .error_code = (AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK), .error_str = ("Attempt to shrink a list in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK" ", " "Attempt to shrink a list in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_FULL)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_FULL", .error_code = (AWS_ERROR_PRIORITY_QUEUE_FULL), .error_str = ("Attempt to add items to a full preallocated queue in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_FULL" ", " "Attempt to add items to a full preallocated queue in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_EMPTY", .error_code = (AWS_ERROR_PRIORITY_QUEUE_EMPTY), .error_str = ("Attempt to pop an item from an empty queue."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_EMPTY" ", " "Attempt to pop an item from an empty queue.", } , [(AWS_ERROR_PRIORITY_QUEUE_BAD_NODE)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE", .error_code = (AWS_ERROR_PRIORITY_QUEUE_BAD_NODE), .error_str = ("Bad node handle passed to remove."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE" ", " "Bad node handle passed to remove.", } , [(AWS_ERROR_HASHTBL_ITEM_NOT_FOUND)-0x0000] = { .literal_name = "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND", .error_code = (AWS_ERROR_HASHTBL_ITEM_NOT_FOUND), .error_str = ("Item not found in hash table."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND" ", " "Item not found in hash table.", } , [(AWS_ERROR_INVALID_DATE_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_DATE_STR", .error_code = (AWS_ERROR_INVALID_DATE_STR), .error_str = ("Date string is invalid and cannot be parsed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_DATE_STR" ", " "Date string is invalid and cannot be parsed.", } , [(AWS_ERROR_INVALID_ARGUMENT)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_ARGUMENT", .error_code = (AWS_ERROR_INVALID_ARGUMENT), .error_str = ("An invalid argument was passed to a function."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_ARGUMENT" ", " "An invalid argument was passed to a function.", } , [(AWS_ERROR_RANDOM_GEN_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_RANDOM_GEN_FAILED", .error_code = (AWS_ERROR_RANDOM_GEN_FAILED), .error_str = ("A call to the random number generator failed. Retry later."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_RANDOM_GEN_FAILED" ", " "A call to the random number generator failed. Retry later.", } , [(AWS_ERROR_MALFORMED_INPUT_STRING)-0x0000] = { .literal_name = "AWS_ERROR_MALFORMED_INPUT_STRING", .error_code = (AWS_ERROR_MALFORMED_INPUT_STRING), .error_str = ("An input string was passed to a parser and the string was incorrectly formatted."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MALFORMED_INPUT_STRING" ", " "An input string was passed to a parser and the string was incorrectly formatted.", } , [(AWS_ERROR_UNIMPLEMENTED)-0x0000] = { .literal_name = "AWS_ERROR_UNIMPLEMENTED", .error_code = (AWS_ERROR_UNIMPLEMENTED), .error_str = ("A function was called, but is not implemented."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNIMPLEMENTED" ", " "A function was called, but is not implemented.", } , [(AWS_ERROR_INVALID_STATE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_STATE", .error_code = (AWS_ERROR_INVALID_STATE), .error_str = ("An invalid state was encountered."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_STATE" ", " "An invalid state was encountered.", } , [(AWS_ERROR_ENVIRONMENT_GET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_GET", .error_code = (AWS_ERROR_ENVIRONMENT_GET), .error_str = ("System call failure when getting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_GET" ", " "System call failure when getting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_SET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_SET", .error_code = (AWS_ERROR_ENVIRONMENT_SET), .error_str = ("System call failure when setting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_SET" ", " "System call failure when setting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_UNSET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_UNSET", .error_code = (AWS_ERROR_ENVIRONMENT_UNSET), .error_str = ("System call failure when unsetting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_UNSET" ", " "System call failure when unsetting an environment variable.", } , [(AWS_ERROR_SYS_CALL_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_SYS_CALL_FAILURE", .error_code = (AWS_ERROR_SYS_CALL_FAILURE), .error_str = ("System call failure"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SYS_CALL_FAILURE" ", " "System call failure", } , [(AWS_ERROR_FILE_INVALID_PATH)-0x0000] = { .literal_name = "AWS_ERROR_FILE_INVALID_PATH", .error_code = (AWS_ERROR_FILE_INVALID_PATH), .error_str = ("Invalid file path."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_FILE_INVALID_PATH" ", " "Invalid file path.", } , [(AWS_ERROR_MAX_FDS_EXCEEDED)-0x0000] = { .literal_name = "AWS_ERROR_MAX_FDS_EXCEEDED", .error_code = (AWS_ERROR_MAX_FDS_EXCEEDED), .error_str = ("The maximum number of fds has been exceeded."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MAX_FDS_EXCEEDED" ", " "The maximum number of fds has been exceeded.", } , [(AWS_ERROR_NO_PERMISSION)-0x0000] = { .literal_name = "AWS_ERROR_NO_PERMISSION", .error_code = (AWS_ERROR_NO_PERMISSION), .error_str = ("User does not have permission to perform the requested action."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_NO_PERMISSION" ", " "User does not have permission to perform the requested action.", } , [(AWS_ERROR_STREAM_UNSEEKABLE)-0x0000] = { .literal_name = "AWS_ERROR_STREAM_UNSEEKABLE", .error_code = (AWS_ERROR_STREAM_UNSEEKABLE), .error_str = ("Stream does not support seek operations"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_STREAM_UNSEEKABLE" ", " "Stream does not support seek operations", } , }; [L8738-L8741] static struct aws_error_info_list s_list = { .error_list = errors, .count = (sizeof(errors) / sizeof((errors)[0])), }; [L8743-L8752] static struct aws_log_subject_info s_common_log_subject_infos[] = { { .subject_id = (AWS_LS_COMMON_GENERAL), .subject_name = ("aws-c-common"), .subject_description = ("Subject for aws-c-common logging that doesn't belong to any particular category") } , { .subject_id = (AWS_LS_COMMON_TASK_SCHEDULER), .subject_name = ("task-scheduler"), .subject_description = ("Subject for task scheduler or task specific logging.") } , }; [L8754-L8757] static struct aws_log_subject_info_list s_common_log_subject_list = { .subject_list = s_common_log_subject_infos, .count = (sizeof(s_common_log_subject_infos) / sizeof((s_common_log_subject_infos)[0])), }; [L8759-L8763] static _Bool s_common_library_initialized = 0 ; [L8790] CALL aws_byte_buf_reserve_relative_harness() [L8776] struct aws_byte_buf buf; [L8777] CALL ensure_byte_buf_has_allocated_buffer_member(&buf) [L6598] CALL, EXPR nondet_bool() VAL [errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L261] return __VERIFIER_nondet_bool(); [L6598] RET, EXPR nondet_bool() VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6598-L6600] EXPR (nondet_bool()) ? ((void *)0) : can_fail_allocator() VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6598-L6600] buf->allocator = (nondet_bool()) ? ((void *)0) : can_fail_allocator() [L6601] EXPR buf->capacity VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6601] CALL, EXPR bounded_malloc(sizeof(*(buf->buffer)) * buf->capacity) VAL [\old(size)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6865-L6867] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6865-L6867] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, size=1, tl_last_error=0] [L6868] return malloc(size); [L6601] RET, EXPR bounded_malloc(sizeof(*(buf->buffer)) * buf->capacity) VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6601] buf->buffer = bounded_malloc(sizeof(*(buf->buffer)) * buf->capacity) [L8777] RET ensure_byte_buf_has_allocated_buffer_member(&buf) [L8778] CALL, EXPR aws_byte_buf_is_valid(&buf) VAL [buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7193-L7196] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7193] EXPR buf->capacity [L7193] EXPR buf->capacity == 0 && buf->len == 0 VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7193-L7194] EXPR buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7193-L7196] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7196] EXPR buf->capacity [L7196] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7196] EXPR buf->len [L7196] EXPR buf->capacity [L7196] EXPR buf->capacity > 0 && buf->len <= buf->capacity VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7196] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7196] EXPR buf->len [L7196] EXPR (((buf->len)) == 0) || ((buf->buffer)) VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7196] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7193-L7196] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7193-L7196] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7193-L7196] return buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))); [L8778] RET, EXPR aws_byte_buf_is_valid(&buf) VAL [buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8778] CALL assume_abort_if_not(aws_byte_buf_is_valid(&buf)) VAL [\old(cond)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8778] RET assume_abort_if_not(aws_byte_buf_is_valid(&buf)) VAL [buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8780] struct aws_byte_buf old = buf; [L8781] size_t requested_capacity; [L8782] CALL, EXPR aws_byte_buf_reserve_relative(&buf, requested_capacity) [L7856] EXPR buffer->allocator VAL [\old(additional_length)=1073741825, additional_length=1073741825, buffer={258:0}, buffer={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7856] COND TRUE !(buffer->allocator) [L7856] CALL, EXPR aws_raise_error(AWS_ERROR_INVALID_ARGUMENT) VAL [\old(tl_last_error)=0, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L1996] CALL aws_raise_error_private(err) [L7088] tl_last_error = err [L1996] RET aws_raise_error_private(err) [L1998] return (-1); [L7856] RET, EXPR aws_raise_error(AWS_ERROR_INVALID_ARGUMENT) VAL [\old(additional_length)=1073741825, additional_length=1073741825, buffer={258:0}, buffer={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L7856] return aws_raise_error(AWS_ERROR_INVALID_ARGUMENT); [L8782] RET, EXPR aws_byte_buf_reserve_relative(&buf, requested_capacity) [L8782] int rval = aws_byte_buf_reserve_relative(&buf, requested_capacity); [L8784] COND FALSE !(rval == (0)) VAL [buf={258:0}, errors={196:0}, old={257:0}, requested_capacity=1073741825, rval=-1, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L8788] CALL, EXPR aws_byte_buf_is_valid(&buf) VAL [buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L7193-L7196] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7193] EXPR buf->capacity [L7193] EXPR buf->capacity == 0 && buf->len == 0 VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L7193-L7194] EXPR buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L7193-L7196] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7196] EXPR buf->capacity [L7196] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7196] EXPR buf->len [L7196] EXPR buf->capacity [L7196] EXPR buf->capacity > 0 && buf->len <= buf->capacity VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L7196] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7196] EXPR buf->len [L7196] EXPR (((buf->len)) == 0) || ((buf->buffer)) VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L7196] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L7193-L7196] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L7193-L7196] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L7193-L7196] return buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))); [L8788] RET, EXPR aws_byte_buf_is_valid(&buf) VAL [buf={258:0}, errors={196:0}, old={257:0}, requested_capacity=1073741825, rval=-1, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L8788] CALL __VERIFIER_assert(!(aws_byte_buf_is_valid(&buf))) VAL [\old(cond)=0, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] [L223] reach_error() VAL [\old(cond)=0, cond=0, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=33] - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 145 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 48.6s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 35.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 15 mSolverCounterUnknown, 990 SdHoareTripleChecker+Valid, 35.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 940 mSDsluCounter, 8422 SdHoareTripleChecker+Invalid, 34.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6576 mSDsCounter, 422 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3579 IncrementalHoareTripleChecker+Invalid, 4016 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 422 mSolverCounterUnsat, 1846 mSDtfsCounter, 3579 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 692 GetRequests, 563 SyntacticMatches, 7 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=286occurred in iteration=10, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 121 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 1147 NumberOfCodeBlocks, 1147 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1061 ConstructedInterpolants, 26 QuantifiedInterpolants, 2614 SizeOfPredicates, 23 NumberOfNonLiveVariables, 17458 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 196/262 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 06:56:58,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9a13c21fca71909c457a5d9f717a951e2233abbf9da1b3df4e85f912b3c00bdf --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-?-abd6749-m [2023-11-23 06:57:00,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 06:57:01,013 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-23 06:57:01,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 06:57:01,018 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 06:57:01,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 06:57:01,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 06:57:01,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 06:57:01,036 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 06:57:01,036 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 06:57:01,036 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 06:57:01,037 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 06:57:01,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 06:57:01,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 06:57:01,039 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 06:57:01,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 06:57:01,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 06:57:01,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 06:57:01,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 06:57:01,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 06:57:01,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 06:57:01,043 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 06:57:01,044 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 06:57:01,044 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 06:57:01,044 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 06:57:01,044 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 06:57:01,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 06:57:01,045 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 06:57:01,045 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 06:57:01,045 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 06:57:01,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 06:57:01,046 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 06:57:01,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 06:57:01,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 06:57:01,047 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-23 06:57:01,047 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 06:57:01,048 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 06:57:01,048 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 06:57:01,048 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 06:57:01,048 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 06:57:01,048 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 06:57:01,049 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-23 06:57:01,049 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a13c21fca71909c457a5d9f717a951e2233abbf9da1b3df4e85f912b3c00bdf Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-23 06:57:01,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 06:57:01,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 06:57:01,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 06:57:01,336 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 06:57:01,336 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 06:57:01,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2023-11-23 06:57:02,638 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 06:57:03,102 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 06:57:03,103 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2023-11-23 06:57:03,157 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b03f95546/308c516dcdb846138e953001021ce2b5/FLAG455e844f3 [2023-11-23 06:57:03,175 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b03f95546/308c516dcdb846138e953001021ce2b5 [2023-11-23 06:57:03,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 06:57:03,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 06:57:03,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 06:57:03,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 06:57:03,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 06:57:03,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:57:03" (1/1) ... [2023-11-23 06:57:03,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e1cbd80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:57:03, skipping insertion in model container [2023-11-23 06:57:03,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:57:03" (1/1) ... [2023-11-23 06:57:03,264 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 06:57:03,485 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4503,4516] [2023-11-23 06:57:03,491 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4563,4576] [2023-11-23 06:57:04,186 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,187 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,187 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,188 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,189 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,214 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,214 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,217 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,217 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,455 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 06:57:04,456 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 06:57:04,457 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 06:57:04,457 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 06:57:04,458 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 06:57:04,458 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 06:57:04,458 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 06:57:04,459 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 06:57:04,459 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 06:57:04,459 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 06:57:04,617 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,618 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,661 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,662 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 06:57:04,771 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 06:57:04,841 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 06:57:04,845 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4503,4516] [2023-11-23 06:57:04,846 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4563,4576] [2023-11-23 06:57:04,890 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,890 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,891 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,891 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,892 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,897 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,897 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,899 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,900 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,962 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 06:57:04,963 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 06:57:04,963 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 06:57:04,964 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 06:57:04,964 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 06:57:04,964 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 06:57:04,965 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 06:57:04,965 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 06:57:04,965 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 06:57:04,966 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 06:57:04,992 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:04,992 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:05,026 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:05,026 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:05,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 06:57:05,120 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 06:57:05,141 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4503,4516] [2023-11-23 06:57:05,142 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4563,4576] [2023-11-23 06:57:05,173 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:05,174 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:05,174 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:05,174 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:05,175 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:05,178 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:05,178 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:05,179 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:05,179 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:05,199 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 06:57:05,200 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 06:57:05,200 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 06:57:05,201 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 06:57:05,201 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 06:57:05,201 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 06:57:05,202 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 06:57:05,202 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 06:57:05,202 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 06:57:05,202 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 06:57:05,220 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:05,221 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:05,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8085] [2023-11-23 06:57:05,290 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:05,290 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 06:57:05,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8571-8582] [2023-11-23 06:57:05,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 06:57:05,486 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:57:05,486 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:57:05,486 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:57:05,486 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:57:05,486 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:57:05,487 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:57:05,487 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:57:05,487 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:57:05,487 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:57:05,487 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:57:05,487 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:57:05,487 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:57:05,487 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:57:05,487 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:57:05,487 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:57:05,487 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:57:05,487 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:57:05,487 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 06:57:05,493 INFO L206 MainTranslator]: Completed translation [2023-11-23 06:57:05,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:57:05 WrapperNode [2023-11-23 06:57:05,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 06:57:05,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 06:57:05,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 06:57:05,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 06:57:05,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:57:05" (1/1) ... [2023-11-23 06:57:05,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:57:05" (1/1) ... [2023-11-23 06:57:05,623 INFO L138 Inliner]: procedures = 711, calls = 2503, calls flagged for inlining = 57, calls inlined = 12, statements flattened = 992 [2023-11-23 06:57:05,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 06:57:05,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 06:57:05,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 06:57:05,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 06:57:05,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:57:05" (1/1) ... [2023-11-23 06:57:05,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:57:05" (1/1) ... [2023-11-23 06:57:05,686 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:57:05" (1/1) ... [2023-11-23 06:57:05,784 WARN L107 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2023-11-23 06:57:05,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:57:05" (1/1) ... [2023-11-23 06:57:05,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:57:05" (1/1) ... [2023-11-23 06:57:05,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:57:05" (1/1) ... [2023-11-23 06:57:05,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:57:05" (1/1) ... [2023-11-23 06:57:05,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:57:05" (1/1) ... [2023-11-23 06:57:05,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:57:05" (1/1) ... [2023-11-23 06:57:05,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 06:57:05,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 06:57:05,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 06:57:05,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 06:57:05,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:57:05" (1/1) ... [2023-11-23 06:57:05,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 06:57:05,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 06:57:05,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 06:57:05,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 06:57:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-11-23 06:57:06,003 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-11-23 06:57:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 06:57:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 06:57:06,004 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 06:57:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 06:57:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 06:57:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2023-11-23 06:57:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 06:57:06,005 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 06:57:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 06:57:06,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 06:57:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 06:57:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 06:57:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 06:57:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 06:57:06,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 06:57:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 06:57:06,006 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 06:57:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2023-11-23 06:57:06,007 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2023-11-23 06:57:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-23 06:57:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-23 06:57:06,008 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-23 06:57:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 06:57:06,008 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 06:57:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 06:57:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-23 06:57:06,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-23 06:57:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 06:57:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-23 06:57:06,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 06:57:06,009 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 06:57:06,009 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 06:57:06,009 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-23 06:57:06,009 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-23 06:57:06,283 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 06:57:06,286 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 06:57:07,589 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 06:57:07,778 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 06:57:07,778 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-23 06:57:07,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:57:07 BoogieIcfgContainer [2023-11-23 06:57:07,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 06:57:07,782 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 06:57:07,782 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 06:57:07,784 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 06:57:07,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:57:03" (1/3) ... [2023-11-23 06:57:07,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c6398ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:57:07, skipping insertion in model container [2023-11-23 06:57:07,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:57:05" (2/3) ... [2023-11-23 06:57:07,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c6398ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:57:07, skipping insertion in model container [2023-11-23 06:57:07,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:57:07" (3/3) ... [2023-11-23 06:57:07,792 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness_negated.i [2023-11-23 06:57:07,806 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 06:57:07,807 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 06:57:07,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 06:57:07,861 INFO L357 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, mHoare=true, 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;@711cdd39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 06:57:07,861 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 06:57:07,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 95 states have (on average 1.368421052631579) internal successors, (130), 94 states have internal predecessors, (130), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-23 06:57:07,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 06:57:07,878 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:57:07,879 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:57:07,884 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:57:07,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:57:07,889 INFO L85 PathProgramCache]: Analyzing trace with hash -232289714, now seen corresponding path program 1 times [2023-11-23 06:57:07,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 06:57:07,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1305512170] [2023-11-23 06:57:07,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:57:07,903 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 [2023-11-23 06:57:07,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-23 06:57:07,906 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) [2023-11-23 06:57:07,907 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 [2023-11-23 06:57:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:57:08,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 1389 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 06:57:08,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 06:57:08,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 06:57:08,626 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 06:57:08,627 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 06:57:08,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1305512170] [2023-11-23 06:57:08,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1305512170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 06:57:08,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 06:57:08,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 06:57:08,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979097914] [2023-11-23 06:57:08,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 06:57:08,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 06:57:08,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 06:57:08,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 06:57:08,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 06:57:08,654 INFO L87 Difference]: Start difference. First operand has 144 states, 95 states have (on average 1.368421052631579) internal successors, (130), 94 states have internal predecessors, (130), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 06:57:10,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:57:10,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 06:57:10,839 INFO L93 Difference]: Finished difference Result 279 states and 414 transitions. [2023-11-23 06:57:10,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 06:57:10,842 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 39 [2023-11-23 06:57:10,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 06:57:10,848 INFO L225 Difference]: With dead ends: 279 [2023-11-23 06:57:10,848 INFO L226 Difference]: Without dead ends: 142 [2023-11-23 06:57:10,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 06:57:10,853 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-23 06:57:10,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 184 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-23 06:57:10,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-23 06:57:10,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2023-11-23 06:57:10,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 92 states have (on average 1.2934782608695652) internal successors, (119), 93 states have internal predecessors, (119), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 06:57:10,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 194 transitions. [2023-11-23 06:57:10,887 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 194 transitions. Word has length 39 [2023-11-23 06:57:10,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 06:57:10,888 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 194 transitions. [2023-11-23 06:57:10,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 06:57:10,888 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 194 transitions. [2023-11-23 06:57:10,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 06:57:10,889 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:57:10,890 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:57:10,915 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 [2023-11-23 06:57:11,106 WARN L477 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 [2023-11-23 06:57:11,106 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:57:11,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:57:11,107 INFO L85 PathProgramCache]: Analyzing trace with hash 132845326, now seen corresponding path program 1 times [2023-11-23 06:57:11,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 06:57:11,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [676969562] [2023-11-23 06:57:11,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:57:11,109 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 [2023-11-23 06:57:11,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-23 06:57:11,111 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) [2023-11-23 06:57:11,123 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 [2023-11-23 06:57:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:57:11,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 1389 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 06:57:11,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 06:57:11,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 06:57:11,864 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 06:57:11,864 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 06:57:11,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [676969562] [2023-11-23 06:57:11,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [676969562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 06:57:11,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 06:57:11,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 06:57:11,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680415963] [2023-11-23 06:57:11,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 06:57:11,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 06:57:11,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 06:57:11,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 06:57:11,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 06:57:11,867 INFO L87 Difference]: Start difference. First operand 142 states and 194 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-23 06:57:13,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:57:15,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:57:17,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:57:18,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 06:57:18,257 INFO L93 Difference]: Finished difference Result 273 states and 379 transitions. [2023-11-23 06:57:18,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 06:57:18,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 39 [2023-11-23 06:57:18,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 06:57:18,261 INFO L225 Difference]: With dead ends: 273 [2023-11-23 06:57:18,261 INFO L226 Difference]: Without dead ends: 144 [2023-11-23 06:57:18,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 06:57:18,262 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 71 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-23 06:57:18,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 431 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 3 Unknown, 0 Unchecked, 6.4s Time] [2023-11-23 06:57:18,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-23 06:57:18,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2023-11-23 06:57:18,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 93 states have (on average 1.2903225806451613) internal successors, (120), 95 states have internal predecessors, (120), 38 states have call successors, (38), 11 states have call predecessors, (38), 12 states have return successors, (43), 37 states have call predecessors, (43), 37 states have call successors, (43) [2023-11-23 06:57:18,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 201 transitions. [2023-11-23 06:57:18,281 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 201 transitions. Word has length 39 [2023-11-23 06:57:18,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 06:57:18,281 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 201 transitions. [2023-11-23 06:57:18,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-23 06:57:18,281 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 201 transitions. [2023-11-23 06:57:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 06:57:18,286 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:57:18,286 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:57:18,302 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 (3)] Ended with exit code 0 [2023-11-23 06:57:18,502 WARN L477 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 [2023-11-23 06:57:18,502 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:57:18,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:57:18,503 INFO L85 PathProgramCache]: Analyzing trace with hash 410363299, now seen corresponding path program 1 times [2023-11-23 06:57:18,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 06:57:18,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867626035] [2023-11-23 06:57:18,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:57:18,505 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 [2023-11-23 06:57:18,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-23 06:57:18,506 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) [2023-11-23 06:57:18,520 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 [2023-11-23 06:57:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:57:19,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 1402 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 06:57:19,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 06:57:19,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-23 06:57:20,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 06:57:20,060 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 06:57:20,060 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 06:57:20,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867626035] [2023-11-23 06:57:20,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [867626035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 06:57:20,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 06:57:20,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 06:57:20,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036494490] [2023-11-23 06:57:20,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 06:57:20,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 06:57:20,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 06:57:20,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 06:57:20,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-23 06:57:20,061 INFO L87 Difference]: Start difference. First operand 144 states and 201 transitions. Second operand has 11 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 4 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-23 06:57:22,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:57:24,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:57:26,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:57:28,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:57:30,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:57:32,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:57:34,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:57:36,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:57:38,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:57:40,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:57:42,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:57:45,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:57:48,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:57:52,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:57:54,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:57:56,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:57:59,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:58:01,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:58:03,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:58:05,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:58:08,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:58:08,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 06:58:08,180 INFO L93 Difference]: Finished difference Result 395 states and 556 transitions. [2023-11-23 06:58:08,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 06:58:08,182 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 4 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 45 [2023-11-23 06:58:08,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 06:58:08,184 INFO L225 Difference]: With dead ends: 395 [2023-11-23 06:58:08,184 INFO L226 Difference]: Without dead ends: 264 [2023-11-23 06:58:08,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2023-11-23 06:58:08,185 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 201 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 12 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 1413 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.8s IncrementalHoareTripleChecker+Time [2023-11-23 06:58:08,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 1413 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 699 Invalid, 21 Unknown, 0 Unchecked, 47.8s Time] [2023-11-23 06:58:08,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-11-23 06:58:08,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 260. [2023-11-23 06:58:08,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 170 states have (on average 1.3) internal successors, (221), 177 states have internal predecessors, (221), 66 states have call successors, (66), 19 states have call predecessors, (66), 23 states have return successors, (82), 63 states have call predecessors, (82), 64 states have call successors, (82) [2023-11-23 06:58:08,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 369 transitions. [2023-11-23 06:58:08,228 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 369 transitions. Word has length 45 [2023-11-23 06:58:08,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 06:58:08,228 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 369 transitions. [2023-11-23 06:58:08,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 4 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-23 06:58:08,229 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 369 transitions. [2023-11-23 06:58:08,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 06:58:08,231 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:58:08,231 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:58:08,251 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 (4)] Forceful destruction successful, exit code 0 [2023-11-23 06:58:08,444 WARN L477 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 [2023-11-23 06:58:08,448 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:58:08,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:58:08,448 INFO L85 PathProgramCache]: Analyzing trace with hash 809092571, now seen corresponding path program 1 times [2023-11-23 06:58:08,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 06:58:08,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1453518930] [2023-11-23 06:58:08,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:58:08,450 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 [2023-11-23 06:58:08,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-23 06:58:08,451 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) [2023-11-23 06:58:08,454 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 [2023-11-23 06:58:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:58:09,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 1411 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 06:58:09,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 06:58:09,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 06:58:09,338 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 06:58:09,338 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 06:58:09,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1453518930] [2023-11-23 06:58:09,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1453518930] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 06:58:09,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 06:58:09,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 06:58:09,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557283807] [2023-11-23 06:58:09,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 06:58:09,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 06:58:09,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 06:58:09,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 06:58:09,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 06:58:09,339 INFO L87 Difference]: Start difference. First operand 260 states and 369 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 06:58:11,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:58:13,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:58:15,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:58:17,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:58:18,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 06:58:18,840 INFO L93 Difference]: Finished difference Result 538 states and 792 transitions. [2023-11-23 06:58:18,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 06:58:18,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 49 [2023-11-23 06:58:18,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 06:58:18,843 INFO L225 Difference]: With dead ends: 538 [2023-11-23 06:58:18,843 INFO L226 Difference]: Without dead ends: 291 [2023-11-23 06:58:18,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 06:58:18,845 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 39 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2023-11-23 06:58:18,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 671 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 154 Invalid, 4 Unknown, 0 Unchecked, 9.4s Time] [2023-11-23 06:58:18,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2023-11-23 06:58:18,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 270. [2023-11-23 06:58:18,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 180 states have (on average 1.3055555555555556) internal successors, (235), 187 states have internal predecessors, (235), 66 states have call successors, (66), 19 states have call predecessors, (66), 23 states have return successors, (82), 63 states have call predecessors, (82), 64 states have call successors, (82) [2023-11-23 06:58:18,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 383 transitions. [2023-11-23 06:58:18,868 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 383 transitions. Word has length 49 [2023-11-23 06:58:18,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 06:58:18,869 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 383 transitions. [2023-11-23 06:58:18,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 06:58:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 383 transitions. [2023-11-23 06:58:18,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 06:58:18,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:58:18,870 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:58:18,888 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 [2023-11-23 06:58:19,092 WARN L477 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 [2023-11-23 06:58:19,092 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:58:19,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:58:19,093 INFO L85 PathProgramCache]: Analyzing trace with hash 949641181, now seen corresponding path program 1 times [2023-11-23 06:58:19,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 06:58:19,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1280478069] [2023-11-23 06:58:19,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:58:19,094 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 [2023-11-23 06:58:19,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-23 06:58:19,095 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) [2023-11-23 06:58:19,131 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 [2023-11-23 06:58:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:58:19,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 1408 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 06:58:19,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 06:58:20,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 06:58:20,798 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 06:58:20,798 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 06:58:20,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1280478069] [2023-11-23 06:58:20,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1280478069] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 06:58:20,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 06:58:20,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-23 06:58:20,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544839647] [2023-11-23 06:58:20,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 06:58:20,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 06:58:20,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 06:58:20,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 06:58:20,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-23 06:58:20,800 INFO L87 Difference]: Start difference. First operand 270 states and 383 transitions. Second operand has 12 states, 10 states have (on average 3.6) internal successors, (36), 11 states have internal predecessors, (36), 3 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-23 06:58:22,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:58:24,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:58:26,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:58:28,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:58:30,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:58:32,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:58:34,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:58:36,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:58:38,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:58:40,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:58:42,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 06:58:48,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 06:58:48,509 INFO L93 Difference]: Finished difference Result 546 states and 807 transitions. [2023-11-23 06:58:48,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 06:58:48,511 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 3.6) internal successors, (36), 11 states have internal predecessors, (36), 3 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 49 [2023-11-23 06:58:48,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 06:58:48,514 INFO L225 Difference]: With dead ends: 546 [2023-11-23 06:58:48,514 INFO L226 Difference]: Without dead ends: 288 [2023-11-23 06:58:48,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2023-11-23 06:58:48,516 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 38 mSDsluCounter, 1600 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 2 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 1785 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2023-11-23 06:58:48,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 1785 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 590 Invalid, 11 Unknown, 0 Unchecked, 27.0s Time] [2023-11-23 06:58:48,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2023-11-23 06:58:48,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 275. [2023-11-23 06:58:48,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 185 states have (on average 1.2972972972972974) internal successors, (240), 192 states have internal predecessors, (240), 66 states have call successors, (66), 19 states have call predecessors, (66), 23 states have return successors, (82), 63 states have call predecessors, (82), 64 states have call successors, (82) [2023-11-23 06:58:48,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 388 transitions. [2023-11-23 06:58:48,550 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 388 transitions. Word has length 49 [2023-11-23 06:58:48,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 06:58:48,551 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 388 transitions. [2023-11-23 06:58:48,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 3.6) internal successors, (36), 11 states have internal predecessors, (36), 3 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-23 06:58:48,551 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 388 transitions. [2023-11-23 06:58:48,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 06:58:48,552 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:58:48,552 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:58:48,619 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 (6)] Forceful destruction successful, exit code 0 [2023-11-23 06:58:48,768 WARN L477 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 [2023-11-23 06:58:48,769 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:58:48,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:58:48,769 INFO L85 PathProgramCache]: Analyzing trace with hash 831724825, now seen corresponding path program 1 times [2023-11-23 06:58:48,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 06:58:48,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1347055780] [2023-11-23 06:58:48,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:58:48,771 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 [2023-11-23 06:58:48,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-23 06:58:48,775 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) [2023-11-23 06:58:48,824 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 [2023-11-23 06:58:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:58:49,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 1409 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 06:58:49,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 06:58:49,496 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 06:58:49,496 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 06:58:49,496 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 06:58:49,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1347055780] [2023-11-23 06:58:49,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1347055780] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 06:58:49,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 06:58:49,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 06:58:49,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099947038] [2023-11-23 06:58:49,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 06:58:49,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 06:58:49,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 06:58:49,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 06:58:49,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 06:58:49,499 INFO L87 Difference]: Start difference. First operand 275 states and 388 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 06:58:51,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:58:53,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:58:55,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:58:55,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 06:58:55,779 INFO L93 Difference]: Finished difference Result 558 states and 801 transitions. [2023-11-23 06:58:55,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 06:58:55,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 49 [2023-11-23 06:58:55,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 06:58:55,782 INFO L225 Difference]: With dead ends: 558 [2023-11-23 06:58:55,782 INFO L226 Difference]: Without dead ends: 296 [2023-11-23 06:58:55,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 06:58:55,783 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 28 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-11-23 06:58:55,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 552 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 3 Unknown, 0 Unchecked, 6.2s Time] [2023-11-23 06:58:55,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2023-11-23 06:58:55,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 275. [2023-11-23 06:58:55,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 185 states have (on average 1.2864864864864864) internal successors, (238), 192 states have internal predecessors, (238), 66 states have call successors, (66), 19 states have call predecessors, (66), 23 states have return successors, (82), 63 states have call predecessors, (82), 64 states have call successors, (82) [2023-11-23 06:58:55,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 386 transitions. [2023-11-23 06:58:55,798 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 386 transitions. Word has length 49 [2023-11-23 06:58:55,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 06:58:55,798 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 386 transitions. [2023-11-23 06:58:55,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 06:58:55,798 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 386 transitions. [2023-11-23 06:58:55,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 06:58:55,799 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:58:55,799 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:58:55,815 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 (7)] Ended with exit code 0 [2023-11-23 06:58:56,016 WARN L477 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 [2023-11-23 06:58:56,016 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:58:56,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:58:56,017 INFO L85 PathProgramCache]: Analyzing trace with hash 322251735, now seen corresponding path program 1 times [2023-11-23 06:58:56,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 06:58:56,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [249377730] [2023-11-23 06:58:56,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:58:56,018 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 [2023-11-23 06:58:56,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-23 06:58:56,019 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) [2023-11-23 06:58:56,071 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 [2023-11-23 06:58:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:58:56,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 06:58:56,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 06:58:56,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 06:58:56,849 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 06:58:56,849 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 06:58:56,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [249377730] [2023-11-23 06:58:56,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [249377730] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 06:58:56,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 06:58:56,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 06:58:56,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687971041] [2023-11-23 06:58:56,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 06:58:56,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 06:58:56,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 06:58:56,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 06:58:56,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-23 06:58:56,851 INFO L87 Difference]: Start difference. First operand 275 states and 386 transitions. Second operand has 9 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 3 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-23 06:58:58,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:59:00,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:59:02,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:59:04,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:59:06,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:59:08,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:59:10,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:59:13,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:59:13,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 06:59:13,409 INFO L93 Difference]: Finished difference Result 548 states and 782 transitions. [2023-11-23 06:59:13,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 06:59:13,410 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 3 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 49 [2023-11-23 06:59:13,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 06:59:13,411 INFO L225 Difference]: With dead ends: 548 [2023-11-23 06:59:13,411 INFO L226 Difference]: Without dead ends: 286 [2023-11-23 06:59:13,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-23 06:59:13,413 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 13 mSDsluCounter, 1186 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1361 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2023-11-23 06:59:13,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1361 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 187 Invalid, 8 Unknown, 0 Unchecked, 16.5s Time] [2023-11-23 06:59:13,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2023-11-23 06:59:13,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 275. [2023-11-23 06:59:13,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 185 states have (on average 1.2864864864864864) internal successors, (238), 192 states have internal predecessors, (238), 66 states have call successors, (66), 19 states have call predecessors, (66), 23 states have return successors, (82), 63 states have call predecessors, (82), 64 states have call successors, (82) [2023-11-23 06:59:13,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 386 transitions. [2023-11-23 06:59:13,440 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 386 transitions. Word has length 49 [2023-11-23 06:59:13,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 06:59:13,440 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 386 transitions. [2023-11-23 06:59:13,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 3 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-23 06:59:13,440 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 386 transitions. [2023-11-23 06:59:13,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 06:59:13,441 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:59:13,441 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:59:13,480 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 (8)] Forceful destruction successful, exit code 0 [2023-11-23 06:59:13,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /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 [2023-11-23 06:59:13,641 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:59:13,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:59:13,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1035731662, now seen corresponding path program 1 times [2023-11-23 06:59:13,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 06:59:13,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2056579192] [2023-11-23 06:59:13,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:59:13,643 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 [2023-11-23 06:59:13,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-23 06:59:13,644 INFO L229 MonitoredProcess]: Starting monitored process 9 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) [2023-11-23 06:59:13,656 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 (9)] Waiting until timeout for monitored process [2023-11-23 06:59:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:59:14,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 1410 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 06:59:14,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 06:59:14,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 06:59:14,375 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 06:59:14,375 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 06:59:14,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2056579192] [2023-11-23 06:59:14,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2056579192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 06:59:14,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 06:59:14,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 06:59:14,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666997573] [2023-11-23 06:59:14,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 06:59:14,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 06:59:14,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 06:59:14,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 06:59:14,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 06:59:14,376 INFO L87 Difference]: Start difference. First operand 275 states and 386 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2023-11-23 06:59:16,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:59:18,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:59:20,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:59:22,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:59:24,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:59:24,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 06:59:24,711 INFO L93 Difference]: Finished difference Result 377 states and 516 transitions. [2023-11-23 06:59:24,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 06:59:24,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 51 [2023-11-23 06:59:24,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 06:59:24,714 INFO L225 Difference]: With dead ends: 377 [2023-11-23 06:59:24,714 INFO L226 Difference]: Without dead ends: 286 [2023-11-23 06:59:24,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-23 06:59:24,714 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 3 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 894 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2023-11-23 06:59:24,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 894 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 5 Unknown, 0 Unchecked, 10.3s Time] [2023-11-23 06:59:24,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2023-11-23 06:59:24,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 281. [2023-11-23 06:59:24,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 191 states have (on average 1.2774869109947644) internal successors, (244), 198 states have internal predecessors, (244), 66 states have call successors, (66), 19 states have call predecessors, (66), 23 states have return successors, (82), 63 states have call predecessors, (82), 64 states have call successors, (82) [2023-11-23 06:59:24,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 392 transitions. [2023-11-23 06:59:24,734 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 392 transitions. Word has length 51 [2023-11-23 06:59:24,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 06:59:24,734 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 392 transitions. [2023-11-23 06:59:24,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2023-11-23 06:59:24,735 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 392 transitions. [2023-11-23 06:59:24,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 06:59:24,736 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:59:24,736 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:59:24,775 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 (9)] Forceful destruction successful, exit code 0 [2023-11-23 06:59:24,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /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 [2023-11-23 06:59:24,957 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:59:24,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:59:24,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1554383601, now seen corresponding path program 1 times [2023-11-23 06:59:24,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 06:59:24,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1710767080] [2023-11-23 06:59:24,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:59:24,960 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 [2023-11-23 06:59:24,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-23 06:59:24,961 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2023-11-23 06:59:24,963 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 (10)] Waiting until timeout for monitored process [2023-11-23 06:59:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:59:25,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 1421 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 06:59:25,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 06:59:25,825 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 06:59:25,825 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 06:59:25,825 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 06:59:25,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1710767080] [2023-11-23 06:59:25,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1710767080] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 06:59:25,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 06:59:25,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 06:59:25,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254091207] [2023-11-23 06:59:25,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 06:59:25,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 06:59:25,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 06:59:25,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 06:59:25,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 06:59:25,828 INFO L87 Difference]: Start difference. First operand 281 states and 392 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 4 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2023-11-23 06:59:27,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:59:29,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:59:31,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:59:33,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 06:59:34,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 06:59:34,243 INFO L93 Difference]: Finished difference Result 539 states and 750 transitions. [2023-11-23 06:59:34,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 06:59:34,244 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 4 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 58 [2023-11-23 06:59:34,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 06:59:34,246 INFO L225 Difference]: With dead ends: 539 [2023-11-23 06:59:34,246 INFO L226 Difference]: Without dead ends: 281 [2023-11-23 06:59:34,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-23 06:59:34,247 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 112 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 51 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-11-23 06:59:34,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 541 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 78 Invalid, 4 Unknown, 0 Unchecked, 8.4s Time] [2023-11-23 06:59:34,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-11-23 06:59:34,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2023-11-23 06:59:34,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 191 states have (on average 1.2774869109947644) internal successors, (244), 198 states have internal predecessors, (244), 66 states have call successors, (66), 19 states have call predecessors, (66), 23 states have return successors, (79), 63 states have call predecessors, (79), 64 states have call successors, (79) [2023-11-23 06:59:34,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 389 transitions. [2023-11-23 06:59:34,260 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 389 transitions. Word has length 58 [2023-11-23 06:59:34,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 06:59:34,260 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 389 transitions. [2023-11-23 06:59:34,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 4 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2023-11-23 06:59:34,261 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 389 transitions. [2023-11-23 06:59:34,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 06:59:34,261 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 06:59:34,261 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 06:59:34,280 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 (10)] Forceful destruction successful, exit code 0 [2023-11-23 06:59:34,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /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 [2023-11-23 06:59:34,481 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 06:59:34,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 06:59:34,484 INFO L85 PathProgramCache]: Analyzing trace with hash 782875500, now seen corresponding path program 1 times [2023-11-23 06:59:34,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 06:59:34,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598146549] [2023-11-23 06:59:34,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 06:59:34,486 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 [2023-11-23 06:59:34,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-23 06:59:34,487 INFO L229 MonitoredProcess]: Starting monitored process 11 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) [2023-11-23 06:59:34,525 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 (11)] Waiting until timeout for monitored process [2023-11-23 06:59:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 06:59:35,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 1431 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 06:59:35,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 06:59:37,106 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 06:59:37,106 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 06:59:43,019 INFO L349 Elim1Store]: treesize reduction 81, result has 90.1 percent of original size [2023-11-23 06:59:43,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 132 treesize of output 771 Killed by 15