./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.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 32caf91a957359107cc7ee97dff15a48767c1a44f043f2c3cd059b67296b8bad --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:01:26,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:01:26,809 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:01:26,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:01:26,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:01:26,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:01:26,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:01:26,846 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:01:26,847 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:01:26,847 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:01:26,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:01:26,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:01:26,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:01:26,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:01:26,849 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:01:26,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:01:26,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:01:26,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:01:26,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:01:26,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:01:26,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:01:26,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:01:26,856 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:01:26,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:01:26,857 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:01:26,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:01:26,857 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:01:26,857 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:01:26,858 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:01:26,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:01:26,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:01:26,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:01:26,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:01:26,859 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:01:26,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:01:26,861 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:01:26,861 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:01:26,861 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:01:26,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:01:26,862 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32caf91a957359107cc7ee97dff15a48767c1a44f043f2c3cd059b67296b8bad [2024-11-19 02:01:27,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:01:27,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:01:27,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:01:27,144 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:01:27,145 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:01:27,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2024-11-19 02:01:28,616 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:01:29,070 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:01:29,071 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2024-11-19 02:01:29,106 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ce10e1b9/2cfb177603db4e6688155413404f7dd8/FLAGe49297cdd [2024-11-19 02:01:29,197 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ce10e1b9/2cfb177603db4e6688155413404f7dd8 [2024-11-19 02:01:29,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:01:29,201 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:01:29,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:01:29,202 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:01:29,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:01:29,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:01:29" (1/1) ... [2024-11-19 02:01:29,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43838672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:29, skipping insertion in model container [2024-11-19 02:01:29,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:01:29" (1/1) ... [2024-11-19 02:01:29,303 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:01:29,614 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2024-11-19 02:01:29,622 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2024-11-19 02:01:30,269 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,270 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,270 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,271 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,274 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,284 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,285 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,286 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,286 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,288 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,289 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,289 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,290 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,611 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,618 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:01:30,713 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:01:30,728 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2024-11-19 02:01:30,729 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2024-11-19 02:01:30,774 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,774 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,775 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,775 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,776 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,783 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,783 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,785 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,786 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,787 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,788 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,789 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,790 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,862 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:30,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7529-7540] [2024-11-19 02:01:30,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:01:31,167 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:01:31,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:31 WrapperNode [2024-11-19 02:01:31,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:01:31,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:01:31,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:01:31,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:01:31,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:31" (1/1) ... [2024-11-19 02:01:31,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:31" (1/1) ... [2024-11-19 02:01:31,330 INFO L138 Inliner]: procedures = 679, calls = 1558, calls flagged for inlining = 47, calls inlined = 6, statements flattened = 597 [2024-11-19 02:01:31,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:01:31,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:01:31,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:01:31,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:01:31,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:31" (1/1) ... [2024-11-19 02:01:31,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:31" (1/1) ... [2024-11-19 02:01:31,359 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:31" (1/1) ... [2024-11-19 02:01:31,482 INFO L175 MemorySlicer]: Split 277 memory accesses to 5 slices as follows [2, 26, 238, 5, 6]. 86 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 5, 6, 5, 1]. The 238 writes are split as follows [0, 5, 232, 0, 1]. [2024-11-19 02:01:31,486 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:31" (1/1) ... [2024-11-19 02:01:31,486 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:31" (1/1) ... [2024-11-19 02:01:31,532 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:31" (1/1) ... [2024-11-19 02:01:31,540 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:31" (1/1) ... [2024-11-19 02:01:31,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:31" (1/1) ... [2024-11-19 02:01:31,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:31" (1/1) ... [2024-11-19 02:01:31,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:01:31,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:01:31,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:01:31,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:01:31,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:31" (1/1) ... [2024-11-19 02:01:31,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:01:31,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:01:31,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 02:01:31,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 02:01:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-19 02:01:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-19 02:01:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:01:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-19 02:01:31,672 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-19 02:01:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:01:31,672 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:01:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-19 02:01:31,673 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-19 02:01:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:01:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:01:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:01:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:01:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:01:31,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:01:31,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:01:31,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:01:31,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:01:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:01:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-19 02:01:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-19 02:01:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:01:31,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:01:31,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:01:31,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:01:31,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:01:31,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:01:31,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:01:31,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:01:31,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:01:31,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:01:31,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:01:31,678 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:01:31,678 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:01:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-19 02:01:31,679 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-19 02:01:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-19 02:01:31,679 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-19 02:01:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:01:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:01:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:01:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:01:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:01:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-19 02:01:31,680 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-19 02:01:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 02:01:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 02:01:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 02:01:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 02:01:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 02:01:31,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 02:01:31,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 02:01:31,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 02:01:31,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 02:01:31,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 02:01:31,682 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:01:31,683 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:01:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-19 02:01:31,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-19 02:01:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:01:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:01:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:01:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:01:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:01:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:01:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:01:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:01:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:01:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:01:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:01:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:01:31,685 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:01:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-19 02:01:31,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-19 02:01:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:01:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:01:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:01:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:01:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:01:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:01:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:01:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:01:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:01:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:01:32,010 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:01:32,012 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:01:38,573 INFO L? ?]: Removed 87 outVars from TransFormulas that were not future-live. [2024-11-19 02:01:38,573 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:01:38,586 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:01:38,587 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-19 02:01:38,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:01:38 BoogieIcfgContainer [2024-11-19 02:01:38,587 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:01:38,589 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:01:38,589 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:01:38,591 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:01:38,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:01:29" (1/3) ... [2024-11-19 02:01:38,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73381ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:01:38, skipping insertion in model container [2024-11-19 02:01:38,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:31" (2/3) ... [2024-11-19 02:01:38,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73381ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:01:38, skipping insertion in model container [2024-11-19 02:01:38,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:01:38" (3/3) ... [2024-11-19 02:01:38,594 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_dynamic_harness.i [2024-11-19 02:01:38,610 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:01:38,631 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:01:38,721 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:01:38,729 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@65354e16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:01:38,730 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:01:38,734 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 92 states have (on average 1.2173913043478262) internal successors, (112), 93 states have internal predecessors, (112), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-19 02:01:38,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-19 02:01:38,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:01:38,744 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 02:01:38,744 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:01:38,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:01:38,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1052512289, now seen corresponding path program 1 times [2024-11-19 02:01:38,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:01:38,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300621724] [2024-11-19 02:01:38,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:01:38,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:01:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:01:44,911 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-19 02:01:44,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:01:44,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300621724] [2024-11-19 02:01:44,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300621724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:01:44,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:01:44,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 02:01:44,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919820361] [2024-11-19 02:01:44,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:01:44,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 02:01:44,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:01:44,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 02:01:44,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 02:01:44,949 INFO L87 Difference]: Start difference. First operand has 144 states, 92 states have (on average 1.2173913043478262) internal successors, (112), 93 states have internal predecessors, (112), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-19 02:01:44,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:01:44,991 INFO L93 Difference]: Finished difference Result 276 states and 375 transitions. [2024-11-19 02:01:44,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 02:01:44,995 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 64 [2024-11-19 02:01:44,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:01:45,005 INFO L225 Difference]: With dead ends: 276 [2024-11-19 02:01:45,006 INFO L226 Difference]: Without dead ends: 137 [2024-11-19 02:01:45,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 02:01:45,017 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 02:01:45,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 02:01:45,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-19 02:01:45,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2024-11-19 02:01:45,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 85 states have (on average 1.188235294117647) internal successors, (101), 87 states have internal predecessors, (101), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-19 02:01:45,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 171 transitions. [2024-11-19 02:01:45,081 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 171 transitions. Word has length 64 [2024-11-19 02:01:45,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:01:45,084 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 171 transitions. [2024-11-19 02:01:45,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-19 02:01:45,084 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 171 transitions. [2024-11-19 02:01:45,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-19 02:01:45,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:01:45,088 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 02:01:45,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 02:01:45,089 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:01:45,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:01:45,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1561849473, now seen corresponding path program 1 times [2024-11-19 02:01:45,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:01:45,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696891708] [2024-11-19 02:01:45,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:01:45,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:01:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:01:52,456 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-19 02:01:52,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:01:52,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696891708] [2024-11-19 02:01:52,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696891708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:01:52,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:01:52,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 02:01:52,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563855174] [2024-11-19 02:01:52,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:01:52,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 02:01:52,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:01:52,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 02:01:52,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 02:01:52,461 INFO L87 Difference]: Start difference. First operand 137 states and 171 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-19 02:01:52,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:01:52,989 INFO L93 Difference]: Finished difference Result 145 states and 179 transitions. [2024-11-19 02:01:52,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 02:01:52,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 70 [2024-11-19 02:01:52,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:01:53,000 INFO L225 Difference]: With dead ends: 145 [2024-11-19 02:01:53,001 INFO L226 Difference]: Without dead ends: 143 [2024-11-19 02:01:53,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 02:01:53,003 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 3 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 02:01:53,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 658 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 02:01:53,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-19 02:01:53,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 142. [2024-11-19 02:01:53,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 88 states have (on average 1.1818181818181819) internal successors, (104), 91 states have internal predecessors, (104), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-19 02:01:53,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 176 transitions. [2024-11-19 02:01:53,029 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 176 transitions. Word has length 70 [2024-11-19 02:01:53,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:01:53,030 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 176 transitions. [2024-11-19 02:01:53,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-19 02:01:53,031 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 176 transitions. [2024-11-19 02:01:53,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-19 02:01:53,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:01:53,033 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 02:01:53,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 02:01:53,034 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:01:53,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:01:53,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1560002431, now seen corresponding path program 1 times [2024-11-19 02:01:53,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:01:53,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256786353] [2024-11-19 02:01:53,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:01:53,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:01:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:01:59,479 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-19 02:01:59,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:01:59,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256786353] [2024-11-19 02:01:59,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256786353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:01:59,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:01:59,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 02:01:59,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316310415] [2024-11-19 02:01:59,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:01:59,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 02:01:59,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:01:59,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 02:01:59,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 02:01:59,484 INFO L87 Difference]: Start difference. First operand 142 states and 176 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 02:01:59,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:01:59,587 INFO L93 Difference]: Finished difference Result 265 states and 326 transitions. [2024-11-19 02:01:59,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 02:01:59,588 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 70 [2024-11-19 02:01:59,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:01:59,591 INFO L225 Difference]: With dead ends: 265 [2024-11-19 02:01:59,591 INFO L226 Difference]: Without dead ends: 143 [2024-11-19 02:01:59,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 02:01:59,593 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 02:01:59,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 505 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 02:01:59,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-19 02:01:59,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-19 02:01:59,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 89 states have (on average 1.1797752808988764) internal successors, (105), 92 states have internal predecessors, (105), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-19 02:01:59,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 177 transitions. [2024-11-19 02:01:59,606 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 177 transitions. Word has length 70 [2024-11-19 02:01:59,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:01:59,607 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 177 transitions. [2024-11-19 02:01:59,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 02:01:59,607 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 177 transitions. [2024-11-19 02:01:59,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-19 02:01:59,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:01:59,608 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 02:01:59,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 02:01:59,609 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:01:59,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:01:59,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1320548223, now seen corresponding path program 1 times [2024-11-19 02:01:59,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:01:59,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379456485] [2024-11-19 02:01:59,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:01:59,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:02:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:02:05,717 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-19 02:02:05,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:02:05,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379456485] [2024-11-19 02:02:05,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379456485] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:02:05,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678745457] [2024-11-19 02:02:05,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:02:05,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:02:05,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:02:05,721 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:02:05,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 02:02:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:02:55,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 4032 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 02:02:55,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:02:56,411 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-19 02:02:56,412 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 02:02:57,569 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-19 02:02:57,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678745457] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 02:02:57,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 02:02:57,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-19 02:02:57,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218176923] [2024-11-19 02:02:57,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 02:02:57,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 02:02:57,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:02:57,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 02:02:57,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-19 02:02:57,573 INFO L87 Difference]: Start difference. First operand 143 states and 177 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)