./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.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_priority_queue_init_dynamic_harness-1.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 f4db5fb03820aea666082345ea177387bf1c218ce33dad19402cb646ed5abf58 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:16:49,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:16:49,169 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:16:49,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:16:49,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:16:49,197 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:16:49,198 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:16:49,198 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:16:49,199 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:16:49,199 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:16:49,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:16:49,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:16:49,203 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:16:49,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:16:49,204 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:16:49,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:16:49,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:16:49,207 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:16:49,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:16:49,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:16:49,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:16:49,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:16:49,209 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:16:49,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:16:49,210 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:16:49,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:16:49,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:16:49,211 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:16:49,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:16:49,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:16:49,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:16:49,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:16:49,215 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:16:49,215 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:16:49,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:16:49,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:16:49,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:16:49,216 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:16:49,216 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:16:49,216 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4db5fb03820aea666082345ea177387bf1c218ce33dad19402cb646ed5abf58 [2024-11-09 03:16:49,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:16:49,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:16:49,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:16:49,570 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:16:49,571 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:16:49,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i [2024-11-09 03:16:51,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:16:51,605 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:16:51,606 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i [2024-11-09 03:16:51,653 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6e72a5c6/39fdc2c8e46d4160a4edf171acba94ef/FLAGf084d6667 [2024-11-09 03:16:51,691 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6e72a5c6/39fdc2c8e46d4160a4edf171acba94ef [2024-11-09 03:16:51,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:16:51,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:16:51,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:16:51,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:16:51,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:16:51,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:16:51" (1/1) ... [2024-11-09 03:16:51,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1193f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:51, skipping insertion in model container [2024-11-09 03:16:51,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:16:51" (1/1) ... [2024-11-09 03:16:51,834 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:16:52,128 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_priority_queue_init_dynamic_harness-1.i[4505,4518] [2024-11-09 03:16:52,136 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_priority_queue_init_dynamic_harness-1.i[4565,4578] [2024-11-09 03:16:53,016 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,017 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,017 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,020 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,021 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,043 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,044 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,046 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,049 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,443 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,444 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:16:53,538 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:16:53,552 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_priority_queue_init_dynamic_harness-1.i[4505,4518] [2024-11-09 03:16:53,553 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_priority_queue_init_dynamic_harness-1.i[4565,4578] [2024-11-09 03:16:53,614 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,615 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,615 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,616 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,616 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,631 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,632 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,633 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,636 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,748 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,752 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:16:53,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-09 03:16:53,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:16:54,044 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:16:54,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54 WrapperNode [2024-11-09 03:16:54,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:16:54,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:16:54,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:16:54,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:16:54,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:54,160 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:54,229 INFO L138 Inliner]: procedures = 678, calls = 1512, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 739 [2024-11-09 03:16:54,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:16:54,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:16:54,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:16:54,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:16:54,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:54,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:54,261 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:54,357 INFO L175 MemorySlicer]: Split 287 memory accesses to 5 slices as follows [2, 238, 35, 7, 5]. 83 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 6, 0, 1, 5]. The 239 writes are split as follows [0, 232, 6, 1, 0]. [2024-11-09 03:16:54,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:54,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:54,408 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:54,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:54,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:54,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:54,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:16:54,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:16:54,468 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:16:54,468 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:16:54,469 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (1/1) ... [2024-11-09 03:16:54,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:16:54,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:16:54,534 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 03:16:54,538 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 03:16:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-09 03:16:54,622 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-09 03:16:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:16:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-09 03:16:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-09 03:16:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:16:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:16:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-09 03:16:54,647 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-09 03:16:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:16:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:16:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:16:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:16:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:16:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:16:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:16:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:16:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:16:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:16:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:16:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:16:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:16:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:16:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:16:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:16:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:16:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:16:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:16:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:16:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:16:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:16:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:16:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:16:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:16:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 03:16:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 03:16:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-09 03:16:54,650 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-09 03:16:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:16:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:16:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:16:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:16:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:16:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 03:16:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 03:16:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-09 03:16:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-09 03:16:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:16:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:16:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:16:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:16:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:16:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:16:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:16:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:16:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:16:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:16:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:16:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:16:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:16:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:16:54,652 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:16:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-09 03:16:54,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-09 03:16:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:16:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:16:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:16:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:16:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:16:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-09 03:16:54,652 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-09 03:16:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-09 03:16:54,653 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-09 03:16:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:16:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:16:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:16:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:16:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:16:55,014 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:16:55,016 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:17:01,563 INFO L? ?]: Removed 145 outVars from TransFormulas that were not future-live. [2024-11-09 03:17:01,564 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:17:01,596 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:17:01,597 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-09 03:17:01,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:17:01 BoogieIcfgContainer [2024-11-09 03:17:01,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:17:01,601 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:17:01,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:17:01,605 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:17:01,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:16:51" (1/3) ... [2024-11-09 03:17:01,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47dd538d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:17:01, skipping insertion in model container [2024-11-09 03:17:01,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:16:54" (2/3) ... [2024-11-09 03:17:01,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47dd538d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:17:01, skipping insertion in model container [2024-11-09 03:17:01,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:17:01" (3/3) ... [2024-11-09 03:17:01,610 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness-1.i [2024-11-09 03:17:01,629 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:17:01,629 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:17:01,733 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:17:01,745 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;@272e8a06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:17:01,746 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:17:01,752 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 134 states have (on average 1.2537313432835822) internal successors, (168), 134 states have internal predecessors, (168), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-09 03:17:01,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-09 03:17:01,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:17:01,767 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:01,767 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:17:01,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:17:01,774 INFO L85 PathProgramCache]: Analyzing trace with hash 176985200, now seen corresponding path program 1 times [2024-11-09 03:17:01,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:17:01,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247363819] [2024-11-09 03:17:01,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:17:01,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:17:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:08,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:17:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:08,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:17:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:08,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:17:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:08,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:17:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:08,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:17:08,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:08,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:17:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:08,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:08,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 03:17:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:08,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 03:17:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:08,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:08,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 03:17:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:08,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 03:17:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:08,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 03:17:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:08,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 03:17:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:08,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 03:17:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:08,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 03:17:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:08,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:17:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:08,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:08,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 03:17:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:08,922 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-09 03:17:08,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:17:08,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247363819] [2024-11-09 03:17:08,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247363819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:17:08,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:17:08,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 03:17:08,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939748514] [2024-11-09 03:17:08,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:17:08,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 03:17:08,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:17:08,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 03:17:08,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:17:08,963 INFO L87 Difference]: Start difference. First operand has 206 states, 134 states have (on average 1.2537313432835822) internal successors, (168), 134 states have internal predecessors, (168), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 03:17:13,067 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 03:17:17,487 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 03:17:21,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:17:21,817 INFO L93 Difference]: Finished difference Result 427 states and 624 transitions. [2024-11-09 03:17:21,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 03:17:21,820 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 112 [2024-11-09 03:17:21,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:17:21,832 INFO L225 Difference]: With dead ends: 427 [2024-11-09 03:17:21,833 INFO L226 Difference]: Without dead ends: 223 [2024-11-09 03:17:21,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:17:21,849 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 163 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 136 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2024-11-09 03:17:21,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 378 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 202 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2024-11-09 03:17:21,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-09 03:17:21,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 199. [2024-11-09 03:17:21,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 126 states have (on average 1.2222222222222223) internal successors, (154), 128 states have internal predecessors, (154), 56 states have call successors, (56), 16 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 03:17:21,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 264 transitions. [2024-11-09 03:17:21,934 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 264 transitions. Word has length 112 [2024-11-09 03:17:21,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:17:21,937 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 264 transitions. [2024-11-09 03:17:21,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 03:17:21,938 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 264 transitions. [2024-11-09 03:17:21,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-09 03:17:21,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:17:21,944 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:21,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:17:21,945 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:17:21,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:17:21,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1147997895, now seen corresponding path program 1 times [2024-11-09 03:17:21,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:17:21,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17042618] [2024-11-09 03:17:21,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:17:21,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:17:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:28,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:17:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:28,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:17:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:28,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:17:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:28,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:17:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:28,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:17:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:28,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:17:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:28,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:28,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 03:17:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:28,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 03:17:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:28,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:28,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 03:17:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:28,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 03:17:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:28,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 03:17:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:29,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 03:17:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:29,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:29,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:29,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:17:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:29,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 03:17:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:29,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 03:17:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:29,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 03:17:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:29,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:29,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:29,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 03:17:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:29,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:17:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:29,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 03:17:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:17:29,932 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-09 03:17:29,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:17:29,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17042618] [2024-11-09 03:17:29,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17042618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:17:29,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:17:29,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 03:17:29,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876825096] [2024-11-09 03:17:29,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:17:29,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 03:17:29,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:17:29,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 03:17:29,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 03:17:29,942 INFO L87 Difference]: Start difference. First operand 199 states and 264 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 03:17:34,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:17:38,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:17:55,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:17:55,963 INFO L93 Difference]: Finished difference Result 335 states and 451 transitions. [2024-11-09 03:17:55,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 03:17:55,964 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 146 [2024-11-09 03:17:55,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:17:55,969 INFO L225 Difference]: With dead ends: 335 [2024-11-09 03:17:55,969 INFO L226 Difference]: Without dead ends: 236 [2024-11-09 03:17:55,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-09 03:17:55,972 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 302 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 203 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2024-11-09 03:17:55,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 587 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 880 Invalid, 2 Unknown, 0 Unchecked, 23.8s Time] [2024-11-09 03:17:55,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-09 03:17:55,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 204. [2024-11-09 03:17:55,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 130 states have (on average 1.2153846153846153) internal successors, (158), 132 states have internal predecessors, (158), 56 states have call successors, (56), 16 states have call predecessors, (56), 17 states have return successors, (57), 55 states have call predecessors, (57), 54 states have call successors, (57) [2024-11-09 03:17:56,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 271 transitions. [2024-11-09 03:17:56,001 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 271 transitions. Word has length 146 [2024-11-09 03:17:56,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:17:56,002 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 271 transitions. [2024-11-09 03:17:56,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 03:17:56,003 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 271 transitions. [2024-11-09 03:17:56,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-09 03:17:56,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:17:56,006 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:56,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 03:17:56,007 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:17:56,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:17:56,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1388500798, now seen corresponding path program 1 times [2024-11-09 03:17:56,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:17:56,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473720334] [2024-11-09 03:17:56,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:17:56,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:18:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:02,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:18:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:02,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:18:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:02,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:18:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:02,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:18:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:02,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:18:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:02,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:18:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:02,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:18:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:02,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 03:18:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:02,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 03:18:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:02,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:18:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:02,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 03:18:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:02,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 03:18:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:02,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 03:18:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:02,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 03:18:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:03,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:18:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:04,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:18:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:04,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:18:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:04,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 03:18:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:04,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 03:18:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:04,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 03:18:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:04,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:18:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:04,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:18:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:04,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 03:18:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:04,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:18:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:04,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 03:18:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:04,289 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-09 03:18:04,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:18:04,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473720334] [2024-11-09 03:18:04,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473720334] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:18:04,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395216760] [2024-11-09 03:18:04,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:18:04,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:18:04,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:18:04,296 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) [2024-11-09 03:18:04,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 03:18:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:10,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 4357 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 03:18:10,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 03:18:14,341 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-09 03:18:14,341 INFO L311 TraceCheckSpWp]: Computing backward predicates...