./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_front_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 2ce109988390b6767f379f20c8317980e8ad55260534e411b505fed6860deb81 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 02:56:37,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 02:56:37,137 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 02:56:37,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 02:56:37,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 02:56:37,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 02:56:37,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 02:56:37,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 02:56:37,177 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 02:56:37,178 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 02:56:37,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 02:56:37,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 02:56:37,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 02:56:37,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 02:56:37,180 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 02:56:37,182 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 02:56:37,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 02:56:37,186 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 02:56:37,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 02:56:37,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 02:56:37,187 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 02:56:37,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 02:56:37,188 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 02:56:37,188 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 02:56:37,190 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 02:56:37,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 02:56:37,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 02:56:37,191 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 02:56:37,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 02:56:37,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:56:37,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 02:56:37,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 02:56:37,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 02:56:37,193 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 02:56:37,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 02:56:37,193 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 02:56:37,193 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 02:56:37,194 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 02:56:37,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 02:56:37,195 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ce109988390b6767f379f20c8317980e8ad55260534e411b505fed6860deb81 [2024-11-09 02:56:37,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 02:56:37,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 02:56:37,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 02:56:37,473 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 02:56:37,474 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 02:56:37,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i [2024-11-09 02:56:38,998 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 02:56:39,418 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 02:56:39,419 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i [2024-11-09 02:56:39,458 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74ac0a8dd/fc4cccffb0214c93875d8bdb1a7e24ab/FLAG78d1907c8 [2024-11-09 02:56:39,568 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74ac0a8dd/fc4cccffb0214c93875d8bdb1a7e24ab [2024-11-09 02:56:39,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 02:56:39,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 02:56:39,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 02:56:39,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 02:56:39,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 02:56:39,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:56:39" (1/1) ... [2024-11-09 02:56:39,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797b9131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:39, skipping insertion in model container [2024-11-09 02:56:39,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:56:39" (1/1) ... [2024-11-09 02:56:39,719 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 02:56:40,008 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_front_harness_negated.i[4494,4507] [2024-11-09 02:56:40,018 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_front_harness_negated.i[4554,4567] [2024-11-09 02:56:40,599 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:40,600 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:40,601 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:40,601 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:40,602 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:40,621 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:40,622 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:40,628 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:40,628 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:40,630 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:40,631 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:40,632 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:40,632 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:40,996 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:41,008 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:41,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:56:41,122 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 02:56:41,139 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_front_harness_negated.i[4494,4507] [2024-11-09 02:56:41,140 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_front_harness_negated.i[4554,4567] [2024-11-09 02:56:41,205 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:41,206 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:41,206 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:41,206 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:41,207 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:41,214 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:41,215 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:41,216 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:41,216 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:41,217 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:41,218 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:41,218 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:41,218 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:41,289 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:41,294 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:41,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7735-7746] [2024-11-09 02:56:41,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:56:41,620 INFO L204 MainTranslator]: Completed translation [2024-11-09 02:56:41,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:41 WrapperNode [2024-11-09 02:56:41,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 02:56:41,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 02:56:41,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 02:56:41,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 02:56:41,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:41" (1/1) ... [2024-11-09 02:56:41,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:41" (1/1) ... [2024-11-09 02:56:41,799 INFO L138 Inliner]: procedures = 680, calls = 1682, calls flagged for inlining = 53, calls inlined = 8, statements flattened = 662 [2024-11-09 02:56:41,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 02:56:41,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 02:56:41,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 02:56:41,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 02:56:41,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:41" (1/1) ... [2024-11-09 02:56:41,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:41" (1/1) ... [2024-11-09 02:56:41,831 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:41" (1/1) ... [2024-11-09 02:56:41,892 INFO L175 MemorySlicer]: Split 314 memory accesses to 6 slices as follows [238, 2, 6, 3, 56, 9]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 0, 1, 10, 5]. The 239 writes are split as follows [232, 0, 2, 1, 3, 1]. [2024-11-09 02:56:41,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:41" (1/1) ... [2024-11-09 02:56:41,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:41" (1/1) ... [2024-11-09 02:56:41,938 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:41" (1/1) ... [2024-11-09 02:56:41,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:41" (1/1) ... [2024-11-09 02:56:41,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:41" (1/1) ... [2024-11-09 02:56:41,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:41" (1/1) ... [2024-11-09 02:56:41,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 02:56:41,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 02:56:41,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 02:56:41,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 02:56:41,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:41" (1/1) ... [2024-11-09 02:56:41,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:56:42,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:56:42,028 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) [2024-11-09 02:56:42,031 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 [2024-11-09 02:56:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 02:56:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-09 02:56:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-09 02:56:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-09 02:56:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-09 02:56:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 02:56:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 02:56:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 02:56:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 02:56:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 02:56:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 02:56:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 02:56:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 02:56:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 02:56:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 02:56:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 02:56:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 02:56:42,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 02:56:42,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 02:56:42,076 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 02:56:42,076 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 02:56:42,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 02:56:42,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 02:56:42,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 02:56:42,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 02:56:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 02:56:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 02:56:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 02:56:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 02:56:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 02:56:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 02:56:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 02:56:42,078 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 02:56:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 02:56:42,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 02:56:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 02:56:42,078 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 02:56:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 02:56:42,079 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 02:56:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 02:56:42,079 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 02:56:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-09 02:56:42,079 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-09 02:56:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 02:56:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 02:56:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 02:56:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 02:56:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 02:56:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 02:56:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 02:56:42,080 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 02:56:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-09 02:56:42,080 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-09 02:56:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 02:56:42,080 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 02:56:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 02:56:42,081 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 02:56:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 02:56:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 02:56:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 02:56:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 02:56:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 02:56:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 02:56:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 02:56:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 02:56:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 02:56:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 02:56:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 02:56:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 02:56:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 02:56:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 02:56:42,083 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 02:56:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-09 02:56:42,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-09 02:56:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 02:56:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 02:56:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 02:56:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 02:56:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 02:56:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 02:56:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-09 02:56:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-09 02:56:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 02:56:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 02:56:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 02:56:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 02:56:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 02:56:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 02:56:42,429 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 02:56:42,432 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 02:56:49,286 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-09 02:56:49,287 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 02:56:49,305 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 02:56:49,306 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 02:56:49,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:56:49 BoogieIcfgContainer [2024-11-09 02:56:49,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 02:56:49,309 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 02:56:49,310 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 02:56:49,313 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 02:56:49,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:56:39" (1/3) ... [2024-11-09 02:56:49,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd75081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:56:49, skipping insertion in model container [2024-11-09 02:56:49,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:41" (2/3) ... [2024-11-09 02:56:49,316 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd75081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:56:49, skipping insertion in model container [2024-11-09 02:56:49,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:56:49" (3/3) ... [2024-11-09 02:56:49,317 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness_negated.i [2024-11-09 02:56:49,333 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 02:56:49,334 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 02:56:49,400 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 02:56:49,405 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;@14cee60c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 02:56:49,406 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 02:56:49,410 INFO L276 IsEmpty]: Start isEmpty. Operand has 188 states, 113 states have (on average 1.2035398230088497) internal successors, (136), 114 states have internal predecessors, (136), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-09 02:56:49,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 02:56:49,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:56:49,425 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:56:49,426 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:56:49,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:56:49,431 INFO L85 PathProgramCache]: Analyzing trace with hash -910861617, now seen corresponding path program 1 times [2024-11-09 02:56:49,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:56:49,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538312583] [2024-11-09 02:56:49,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:56:49,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:56:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:55,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:56:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:55,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:56:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:55,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:56:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:55,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:56:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:55,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:56:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:55,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:56:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:55,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 02:56:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:55,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 02:56:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:55,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 02:56:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:56,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 02:56:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:56,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:56:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:56,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 02:56:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:56,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 02:56:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:56,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 02:56:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:56,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 02:56:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:56,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 02:56:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:56,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 02:56:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:56,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 02:56:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:56,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 02:56:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:56,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 02:56:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:56,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 02:56:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:56,267 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 02:56:56,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:56:56,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538312583] [2024-11-09 02:56:56,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538312583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:56:56,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:56:56,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 02:56:56,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214302695] [2024-11-09 02:56:56,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:56:56,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 02:56:56,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:56:56,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 02:56:56,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 02:56:56,305 INFO L87 Difference]: Start difference. First operand has 188 states, 113 states have (on average 1.2035398230088497) internal successors, (136), 114 states have internal predecessors, (136), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 02:57:00,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:57:04,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:57:09,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:57:13,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:57:13,603 INFO L93 Difference]: Finished difference Result 390 states and 561 transitions. [2024-11-09 02:57:13,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 02:57:13,605 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 129 [2024-11-09 02:57:13,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:57:13,616 INFO L225 Difference]: With dead ends: 390 [2024-11-09 02:57:13,617 INFO L226 Difference]: Without dead ends: 200 [2024-11-09 02:57:13,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:57:13,624 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 199 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 226 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2024-11-09 02:57:13,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 210 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 171 Invalid, 3 Unknown, 0 Unchecked, 16.5s Time] [2024-11-09 02:57:13,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-09 02:57:13,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 179. [2024-11-09 02:57:13,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 106 states have (on average 1.1603773584905661) internal successors, (123), 107 states have internal predecessors, (123), 56 states have call successors, (56), 17 states have call predecessors, (56), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-09 02:57:13,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 233 transitions. [2024-11-09 02:57:13,688 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 233 transitions. Word has length 129 [2024-11-09 02:57:13,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:57:13,688 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 233 transitions. [2024-11-09 02:57:13,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 02:57:13,689 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 233 transitions. [2024-11-09 02:57:13,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 02:57:13,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:57:13,694 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:57:13,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 02:57:13,695 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:57:13,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:57:13,695 INFO L85 PathProgramCache]: Analyzing trace with hash -851831597, now seen corresponding path program 1 times [2024-11-09 02:57:13,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:57:13,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179307868] [2024-11-09 02:57:13,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:57:13,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:57:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:21,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:57:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:21,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:57:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:21,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:57:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:21,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:57:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:21,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:57:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:21,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:57:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:21,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 02:57:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:22,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 02:57:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:22,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 02:57:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:22,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 02:57:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:23,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:57:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:23,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 02:57:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:23,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 02:57:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:23,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 02:57:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:23,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 02:57:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:23,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 02:57:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:23,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 02:57:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:23,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 02:57:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:23,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 02:57:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:23,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 02:57:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:23,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 02:57:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:23,238 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 02:57:23,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:57:23,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179307868] [2024-11-09 02:57:23,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179307868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:57:23,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:57:23,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 02:57:23,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131159754] [2024-11-09 02:57:23,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:57:23,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 02:57:23,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:57:23,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 02:57:23,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 02:57:23,246 INFO L87 Difference]: Start difference. First operand 179 states and 233 transitions. Second operand has 10 states, 10 states have (on average 4.6) internal successors, (46), 6 states have internal predecessors, (46), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-09 02:57:27,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:57:31,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:57:36,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:57:52,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:57:52,198 INFO L93 Difference]: Finished difference Result 328 states and 438 transitions. [2024-11-09 02:57:52,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 02:57:52,199 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 6 states have internal predecessors, (46), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) Word has length 129 [2024-11-09 02:57:52,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:57:52,202 INFO L225 Difference]: With dead ends: 328 [2024-11-09 02:57:52,203 INFO L226 Difference]: Without dead ends: 215 [2024-11-09 02:57:52,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-09 02:57:52,205 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 196 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 234 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 1116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2024-11-09 02:57:52,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 646 Invalid, 1116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 879 Invalid, 3 Unknown, 0 Unchecked, 26.8s Time] [2024-11-09 02:57:52,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-09 02:57:52,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 193. [2024-11-09 02:57:52,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 115 states have (on average 1.1565217391304348) internal successors, (133), 116 states have internal predecessors, (133), 60 states have call successors, (60), 17 states have call predecessors, (60), 17 states have return successors, (59), 59 states have call predecessors, (59), 58 states have call successors, (59) [2024-11-09 02:57:52,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 252 transitions. [2024-11-09 02:57:52,231 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 252 transitions. Word has length 129 [2024-11-09 02:57:52,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:57:52,232 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 252 transitions. [2024-11-09 02:57:52,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 6 states have internal predecessors, (46), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-09 02:57:52,232 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 252 transitions. [2024-11-09 02:57:52,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 02:57:52,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:57:52,235 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:57:52,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 02:57:52,235 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:57:52,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:57:52,236 INFO L85 PathProgramCache]: Analyzing trace with hash 24187409, now seen corresponding path program 1 times [2024-11-09 02:57:52,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:57:52,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348450956] [2024-11-09 02:57:52,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:57:52,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:57:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:59,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:57:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:59,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:57:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:59,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:57:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:59,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:57:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:59,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:57:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:00,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:58:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:00,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 02:58:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:00,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 02:58:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:00,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 02:58:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:00,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 02:58:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:01,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:58:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:01,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 02:58:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:01,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 02:58:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:01,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 02:58:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:01,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 02:58:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:01,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 02:58:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:01,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 02:58:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:01,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 02:58:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:01,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 02:58:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:01,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 02:58:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:01,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 02:58:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:01,688 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 02:58:01,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:58:01,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348450956] [2024-11-09 02:58:01,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348450956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:58:01,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:58:01,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 02:58:01,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276121365] [2024-11-09 02:58:01,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:58:01,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 02:58:01,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:58:01,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 02:58:01,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-09 02:58:01,691 INFO L87 Difference]: Start difference. First operand 193 states and 252 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-09 02:58:05,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []