./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d7eaf0344f6f57c66c46804220c62b0485b08b4ef0e684c487eaec2203e797bb --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:21:10,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:21:10,177 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:21:10,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:21:10,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:21:10,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:21:10,223 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:21:10,223 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:21:10,224 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:21:10,226 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:21:10,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:21:10,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:21:10,227 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:21:10,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:21:10,229 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:21:10,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:21:10,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:21:10,231 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:21:10,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:21:10,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:21:10,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:21:10,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:21:10,236 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:21:10,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:21:10,236 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:21:10,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:21:10,238 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:21:10,239 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:21:10,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:21:10,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:21:10,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:21:10,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:21:10,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:21:10,241 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:21:10,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:21:10,242 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:21:10,242 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:21:10,242 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:21:10,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:21:10,243 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7eaf0344f6f57c66c46804220c62b0485b08b4ef0e684c487eaec2203e797bb [2024-11-19 02:21:10,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:21:10,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:21:10,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:21:10,572 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:21:10,573 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:21:10,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i [2024-11-19 02:21:12,166 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:21:12,641 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:21:12,643 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i [2024-11-19 02:21:12,683 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a88690cc1/17c855f45c0b4ddc84383d4adebc7022/FLAG0f13f5872 [2024-11-19 02:21:12,739 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a88690cc1/17c855f45c0b4ddc84383d4adebc7022 [2024-11-19 02:21:12,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:21:12,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:21:12,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:21:12,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:21:12,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:21:12,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:21:12" (1/1) ... [2024-11-19 02:21:12,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bad921e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:12, skipping insertion in model container [2024-11-19 02:21:12,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:21:12" (1/1) ... [2024-11-19 02:21:12,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:21:13,162 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_static_harness.i[4504,4517] [2024-11-19 02:21:13,173 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_static_harness.i[4564,4577] [2024-11-19 02:21:14,080 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,081 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,081 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,082 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,083 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,095 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,099 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,101 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,103 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,629 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,633 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:21:14,746 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:21:14,766 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_static_harness.i[4504,4517] [2024-11-19 02:21:14,767 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_static_harness.i[4564,4577] [2024-11-19 02:21:14,844 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,845 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,845 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,845 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,846 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,853 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,854 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,857 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,953 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,958 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-19 02:21:14,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:21:15,218 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:21:15,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15 WrapperNode [2024-11-19 02:21:15,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:21:15,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:21:15,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:21:15,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:21:15,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,383 INFO L138 Inliner]: procedures = 678, calls = 1525, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 684 [2024-11-19 02:21:15,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:21:15,385 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:21:15,385 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:21:15,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:21:15,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,413 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,505 INFO L175 MemorySlicer]: Split 296 memory accesses to 5 slices as follows [2, 238, 49, 2, 5]. 80 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 6, 2, 0, 5]. The 252 writes are split as follows [0, 232, 20, 0, 0]. [2024-11-19 02:21:15,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:21:15,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:21:15,586 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:21:15,586 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:21:15,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:21:15,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:21:15,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 02:21:15,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 02:21:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-19 02:21:15,678 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-19 02:21:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:21:15,679 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-19 02:21:15,680 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-19 02:21:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:21:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:21:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:21:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:21:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:21:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:21:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:21:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:21:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:21:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:21:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-19 02:21:15,681 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-19 02:21:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:21:15,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:21:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:21:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:21:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:21:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:21:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:21:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:21:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:21:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:21:15,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:21:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:21:15,682 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:21:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-19 02:21:15,682 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-19 02:21:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-19 02:21:15,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-19 02:21:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:21:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:21:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:21:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:21:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:21:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-19 02:21:15,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-19 02:21:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:21:15,683 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:21:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:21:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:21:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:21:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:21:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:21:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:21:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:21:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:21:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:21:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:21:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:21:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-19 02:21:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-19 02:21:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:21:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:21:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:21:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:21:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:21:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:21:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:21:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-19 02:21:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-19 02:21:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-19 02:21:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-19 02:21:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:21:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:21:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:21:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:21:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:21:16,018 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:21:16,021 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:21:22,633 INFO L? ?]: Removed 135 outVars from TransFormulas that were not future-live. [2024-11-19 02:21:22,633 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:21:22,656 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:21:22,657 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-19 02:21:22,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:21:22 BoogieIcfgContainer [2024-11-19 02:21:22,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:21:22,661 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:21:22,662 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:21:22,666 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:21:22,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:21:12" (1/3) ... [2024-11-19 02:21:22,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11914db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:21:22, skipping insertion in model container [2024-11-19 02:21:22,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (2/3) ... [2024-11-19 02:21:22,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11914db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:21:22, skipping insertion in model container [2024-11-19 02:21:22,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:21:22" (3/3) ... [2024-11-19 02:21:22,669 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_static_harness.i [2024-11-19 02:21:22,687 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:21:22,688 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:21:22,763 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:21:22,775 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;@57e0fcf2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:21:22,775 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:21:22,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 107 states have internal predecessors, (130), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-19 02:21:22,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-19 02:21:22,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:21:22,802 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:21:22,803 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:21:22,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:21:22,809 INFO L85 PathProgramCache]: Analyzing trace with hash 401780967, now seen corresponding path program 1 times [2024-11-19 02:21:22,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:21:22,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480818895] [2024-11-19 02:21:22,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:22,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:21:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:29,310 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-11-19 02:21:29,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:21:29,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480818895] [2024-11-19 02:21:29,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480818895] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:21:29,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496960444] [2024-11-19 02:21:29,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:29,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:21:29,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:21:29,315 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:21:29,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 02:21:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:35,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 4467 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 02:21:35,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:21:35,656 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-11-19 02:21:35,656 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:21:35,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496960444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:21:35,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:21:35,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 02:21:35,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946995962] [2024-11-19 02:21:35,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:21:35,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 02:21:35,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:21:35,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 02:21:35,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 02:21:35,696 INFO L87 Difference]: Start difference. First operand has 169 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 107 states have internal predecessors, (130), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-19 02:21:35,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:21:35,739 INFO L93 Difference]: Finished difference Result 314 states and 449 transitions. [2024-11-19 02:21:35,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 02:21:35,742 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 155 [2024-11-19 02:21:35,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:21:35,750 INFO L225 Difference]: With dead ends: 314 [2024-11-19 02:21:35,750 INFO L226 Difference]: Without dead ends: 163 [2024-11-19 02:21:35,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 02:21:35,757 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 02:21:35,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 02:21:35,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-19 02:21:35,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2024-11-19 02:21:35,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 101 states have (on average 1.1683168316831682) internal successors, (118), 102 states have internal predecessors, (118), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-19 02:21:35,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 213 transitions. [2024-11-19 02:21:35,808 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 213 transitions. Word has length 155 [2024-11-19 02:21:35,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:21:35,811 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 213 transitions. [2024-11-19 02:21:35,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-19 02:21:35,812 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 213 transitions. [2024-11-19 02:21:35,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-19 02:21:35,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:21:35,819 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:21:35,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 02:21:36,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 02:21:36,021 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:21:36,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:21:36,022 INFO L85 PathProgramCache]: Analyzing trace with hash 782876487, now seen corresponding path program 1 times [2024-11-19 02:21:36,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:21:36,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271663600] [2024-11-19 02:21:36,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:36,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:21:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:43,265 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-11-19 02:21:43,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:21:43,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271663600] [2024-11-19 02:21:43,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271663600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:21:43,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:21:43,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 02:21:43,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356250776] [2024-11-19 02:21:43,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:21:43,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 02:21:43,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:21:43,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 02:21:43,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 02:21:43,271 INFO L87 Difference]: Start difference. First operand 163 states and 213 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-19 02:21:45,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:21:45,047 INFO L93 Difference]: Finished difference Result 259 states and 334 transitions. [2024-11-19 02:21:45,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 02:21:45,048 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) Word has length 172 [2024-11-19 02:21:45,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:21:45,053 INFO L225 Difference]: With dead ends: 259 [2024-11-19 02:21:45,054 INFO L226 Difference]: Without dead ends: 165 [2024-11-19 02:21:45,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-19 02:21:45,056 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 38 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 02:21:45,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 1026 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 02:21:45,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-19 02:21:45,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-11-19 02:21:45,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 102 states have (on average 1.1666666666666667) internal successors, (119), 104 states have internal predecessors, (119), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-11-19 02:21:45,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 216 transitions. [2024-11-19 02:21:45,077 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 216 transitions. Word has length 172 [2024-11-19 02:21:45,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:21:45,078 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 216 transitions. [2024-11-19 02:21:45,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-19 02:21:45,079 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 216 transitions. [2024-11-19 02:21:45,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-19 02:21:45,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:21:45,085 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:21:45,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 02:21:45,086 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:21:45,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:21:45,087 INFO L85 PathProgramCache]: Analyzing trace with hash -923114483, now seen corresponding path program 1 times [2024-11-19 02:21:45,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:21:45,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769646510] [2024-11-19 02:21:45,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:45,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:21:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:52,085 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-19 02:21:52,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:21:52,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769646510] [2024-11-19 02:21:52,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769646510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:21:52,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:21:52,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 02:21:52,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094927489] [2024-11-19 02:21:52,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:21:52,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 02:21:52,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:21:52,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 02:21:52,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 02:21:52,088 INFO L87 Difference]: Start difference. First operand 165 states and 216 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-19 02:21:52,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:21:52,595 INFO L93 Difference]: Finished difference Result 280 states and 362 transitions. [2024-11-19 02:21:52,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 02:21:52,596 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 187 [2024-11-19 02:21:52,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:21:52,599 INFO L225 Difference]: With dead ends: 280 [2024-11-19 02:21:52,600 INFO L226 Difference]: Without dead ends: 165 [2024-11-19 02:21:52,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-19 02:21:52,602 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 7 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 02:21:52,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1022 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 02:21:52,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-19 02:21:52,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-11-19 02:21:52,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 102 states have (on average 1.1568627450980393) internal successors, (118), 104 states have internal predecessors, (118), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-11-19 02:21:52,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 215 transitions. [2024-11-19 02:21:52,618 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 215 transitions. Word has length 187 [2024-11-19 02:21:52,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:21:52,619 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 215 transitions. [2024-11-19 02:21:52,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-19 02:21:52,619 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 215 transitions. [2024-11-19 02:21:52,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-19 02:21:52,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:21:52,622 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:21:52,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 02:21:52,623 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:21:52,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:21:52,623 INFO L85 PathProgramCache]: Analyzing trace with hash -611515787, now seen corresponding path program 1 times [2024-11-19 02:21:52,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:21:52,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963907281] [2024-11-19 02:21:52,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:52,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:21:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:01,116 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-19 02:22:01,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:22:01,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963907281] [2024-11-19 02:22:01,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963907281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:22:01,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:22:01,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 02:22:01,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417851960] [2024-11-19 02:22:01,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:22:01,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 02:22:01,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:22:01,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 02:22:01,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-19 02:22:01,119 INFO L87 Difference]: Start difference. First operand 165 states and 215 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-19 02:22:01,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:22:01,600 INFO L93 Difference]: Finished difference Result 283 states and 365 transitions. [2024-11-19 02:22:01,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 02:22:01,602 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 189 [2024-11-19 02:22:01,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:22:01,604 INFO L225 Difference]: With dead ends: 283 [2024-11-19 02:22:01,604 INFO L226 Difference]: Without dead ends: 167 [2024-11-19 02:22:01,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 02:22:01,610 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 9 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 02:22:01,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1018 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 02:22:01,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-19 02:22:01,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 166. [2024-11-19 02:22:01,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 103 states have (on average 1.1553398058252426) internal successors, (119), 105 states have internal predecessors, (119), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-11-19 02:22:01,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 216 transitions. [2024-11-19 02:22:01,628 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 216 transitions. Word has length 189 [2024-11-19 02:22:01,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:22:01,629 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 216 transitions. [2024-11-19 02:22:01,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-19 02:22:01,632 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 216 transitions. [2024-11-19 02:22:01,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-19 02:22:01,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:22:01,634 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:22:01,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 02:22:01,635 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:22:01,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:22:01,638 INFO L85 PathProgramCache]: Analyzing trace with hash 949594579, now seen corresponding path program 1 times [2024-11-19 02:22:01,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:22:01,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774088902] [2024-11-19 02:22:01,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:22:01,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:22:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:09,956 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-19 02:22:09,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:22:09,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774088902] [2024-11-19 02:22:09,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774088902] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:22:09,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198172714] [2024-11-19 02:22:09,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:22:09,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:22:09,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:22:09,959 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:22:09,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 02:22:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:15,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 4695 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-19 02:22:15,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:22:17,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-19 02:22:19,574 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_5| Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_5| Int)) (and (<= |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_5| |c_aws_mul_size_checked_#in~r#1.offset|) (= (store |c_old(#memory_$Pointer$#2.base)| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_5| (store (select |c_old(#memory_$Pointer$#2.base)| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_5|) |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_5| (select (select |c_#memory_$Pointer$#2.base| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_5|) |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_5|))) |c_#memory_$Pointer$#2.base|))) is different from true [2024-11-19 02:22:22,071 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2024-11-19 02:22:22,071 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:22:22,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198172714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:22:22,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:22:22,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [8] total 23 [2024-11-19 02:22:22,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867983292] [2024-11-19 02:22:22,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:22:22,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-19 02:22:22,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:22:22,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-19 02:22:22,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=386, Unknown=25, NotChecked=40, Total=506 [2024-11-19 02:22:22,075 INFO L87 Difference]: Start difference. First operand 166 states and 216 transitions. Second operand has 17 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 8 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (32), 8 states have call predecessors, (32), 7 states have call successors, (32) [2024-11-19 02:22:26,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-19 02:22:32,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]