./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_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 5218740bc18d67a03fb6ada79d678262e4837698e28e927d44dbd2d60e2f84aa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 07:20:34,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 07:20:34,720 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-13 07:20:34,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 07:20:34,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 07:20:34,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 07:20:34,748 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 07:20:34,748 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 07:20:34,749 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 07:20:34,750 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 07:20:34,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 07:20:34,751 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 07:20:34,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 07:20:34,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 07:20:34,753 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 07:20:34,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 07:20:34,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 07:20:34,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 07:20:34,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 07:20:34,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 07:20:34,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 07:20:34,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 07:20:34,755 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 07:20:34,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 07:20:34,755 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 07:20:34,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 07:20:34,756 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 07:20:34,756 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 07:20:34,756 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 07:20:34,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 07:20:34,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 07:20:34,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 07:20:34,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 07:20:34,756 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 07:20:34,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 07:20:34,757 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 07:20:34,757 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 07:20:34,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 07:20:34,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 07:20:34,757 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5218740bc18d67a03fb6ada79d678262e4837698e28e927d44dbd2d60e2f84aa [2024-10-13 07:20:34,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 07:20:34,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 07:20:34,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 07:20:34,981 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 07:20:34,982 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 07:20:34,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2024-10-13 07:20:36,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 07:20:36,520 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 07:20:36,521 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2024-10-13 07:20:36,548 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93b6632d6/8e0e2b759cf04982b9f8318ee0e659a3/FLAGb4faf0948 [2024-10-13 07:20:36,777 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93b6632d6/8e0e2b759cf04982b9f8318ee0e659a3 [2024-10-13 07:20:36,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 07:20:36,780 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 07:20:36,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 07:20:36,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 07:20:36,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 07:20:36,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:36" (1/1) ... [2024-10-13 07:20:36,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6143601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:36, skipping insertion in model container [2024-10-13 07:20:36,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:36" (1/1) ... [2024-10-13 07:20:36,846 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 07:20:37,054 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2024-10-13 07:20:37,060 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2024-10-13 07:20:37,574 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,575 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,575 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,575 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,578 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,608 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,609 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,610 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,610 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,612 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,613 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,613 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,613 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,867 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,872 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 07:20:37,898 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 07:20:37,911 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2024-10-13 07:20:37,911 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2024-10-13 07:20:37,950 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,954 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,954 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,954 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,955 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,967 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,968 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,968 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,969 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,969 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,970 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,970 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:37,974 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:38,045 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:38,048 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:38,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 07:20:38,195 INFO L204 MainTranslator]: Completed translation [2024-10-13 07:20:38,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:38 WrapperNode [2024-10-13 07:20:38,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 07:20:38,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 07:20:38,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 07:20:38,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 07:20:38,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:38" (1/1) ... [2024-10-13 07:20:38,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:38" (1/1) ... [2024-10-13 07:20:38,312 INFO L138 Inliner]: procedures = 670, calls = 1242, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 162 [2024-10-13 07:20:38,312 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 07:20:38,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 07:20:38,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 07:20:38,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 07:20:38,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:38" (1/1) ... [2024-10-13 07:20:38,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:38" (1/1) ... [2024-10-13 07:20:38,330 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:38" (1/1) ... [2024-10-13 07:20:38,350 INFO L175 MemorySlicer]: Split 45 memory accesses to 5 slices as follows [2, 5, 28, 4, 6]. 62 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 5, 6, 0, 0]. The 7 writes are split as follows [0, 0, 5, 0, 2]. [2024-10-13 07:20:38,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:38" (1/1) ... [2024-10-13 07:20:38,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:38" (1/1) ... [2024-10-13 07:20:38,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:38" (1/1) ... [2024-10-13 07:20:38,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:38" (1/1) ... [2024-10-13 07:20:38,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:38" (1/1) ... [2024-10-13 07:20:38,377 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:38" (1/1) ... [2024-10-13 07:20:38,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 07:20:38,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 07:20:38,382 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 07:20:38,382 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 07:20:38,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:38" (1/1) ... [2024-10-13 07:20:38,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 07:20:38,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:20:38,414 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) [2024-10-13 07:20:38,416 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 [2024-10-13 07:20:38,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 07:20:38,456 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-13 07:20:38,457 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-13 07:20:38,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 07:20:38,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 07:20:38,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 07:20:38,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-13 07:20:38,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-13 07:20:38,457 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-13 07:20:38,457 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-13 07:20:38,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 07:20:38,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 07:20:38,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 07:20:38,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 07:20:38,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 07:20:38,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 07:20:38,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 07:20:38,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-13 07:20:38,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-13 07:20:38,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 07:20:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 07:20:38,458 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-13 07:20:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-13 07:20:38,458 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-13 07:20:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-13 07:20:38,458 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-13 07:20:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-13 07:20:38,458 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-13 07:20:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-13 07:20:38,458 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 07:20:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 07:20:38,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 07:20:38,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 07:20:38,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 07:20:38,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 07:20:38,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-13 07:20:38,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-13 07:20:38,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-13 07:20:38,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-13 07:20:38,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-13 07:20:38,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-13 07:20:38,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-13 07:20:38,459 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-13 07:20:38,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-13 07:20:38,459 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-10-13 07:20:38,459 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-10-13 07:20:38,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 07:20:38,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 07:20:38,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 07:20:38,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-13 07:20:38,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-13 07:20:38,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 07:20:38,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 07:20:38,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 07:20:38,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-13 07:20:38,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-13 07:20:38,676 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 07:20:38,678 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 07:20:38,988 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-10-13 07:20:38,989 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 07:20:39,018 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 07:20:39,020 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 07:20:39,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:39 BoogieIcfgContainer [2024-10-13 07:20:39,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 07:20:39,022 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 07:20:39,022 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 07:20:39,027 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 07:20:39,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:20:36" (1/3) ... [2024-10-13 07:20:39,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c793e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:20:39, skipping insertion in model container [2024-10-13 07:20:39,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:38" (2/3) ... [2024-10-13 07:20:39,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c793e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:20:39, skipping insertion in model container [2024-10-13 07:20:39,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:39" (3/3) ... [2024-10-13 07:20:39,030 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2024-10-13 07:20:39,041 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 07:20:39,042 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 07:20:39,092 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 07:20:39,098 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;@25b5933d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 07:20:39,099 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 07:20:39,102 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 57 states have internal predecessors, (67), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-13 07:20:39,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-13 07:20:39,109 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:20:39,110 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-10-13 07:20:39,110 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:20:39,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:20:39,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1736051127, now seen corresponding path program 1 times [2024-10-13 07:20:39,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:20:39,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830133863] [2024-10-13 07:20:39,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:20:39,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:20:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:39,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:39,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 07:20:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:39,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:20:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:39,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 07:20:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:39,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 07:20:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:39,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:39,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 07:20:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:39,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 07:20:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:39,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:39,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 07:20:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:39,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 07:20:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:39,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 07:20:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:39,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 07:20:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:39,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 07:20:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:39,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:39,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 07:20:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:39,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 07:20:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:39,984 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-10-13 07:20:39,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:20:39,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830133863] [2024-10-13 07:20:39,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830133863] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:20:39,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 07:20:39,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 07:20:39,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653830845] [2024-10-13 07:20:39,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:20:39,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 07:20:39,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:20:40,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 07:20:40,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-13 07:20:40,015 INFO L87 Difference]: Start difference. First operand has 101 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 57 states have internal predecessors, (67), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (17), 4 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2024-10-13 07:20:40,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:20:40,466 INFO L93 Difference]: Finished difference Result 198 states and 282 transitions. [2024-10-13 07:20:40,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 07:20:40,468 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (17), 4 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) Word has length 91 [2024-10-13 07:20:40,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:20:40,474 INFO L225 Difference]: With dead ends: 198 [2024-10-13 07:20:40,474 INFO L226 Difference]: Without dead ends: 96 [2024-10-13 07:20:40,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-10-13 07:20:40,479 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 51 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 07:20:40,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 368 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 07:20:40,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-10-13 07:20:40,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-10-13 07:20:40,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 53 states have (on average 1.1320754716981132) internal successors, (60), 54 states have internal predecessors, (60), 33 states have call successors, (33), 10 states have call predecessors, (33), 9 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 07:20:40,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 124 transitions. [2024-10-13 07:20:40,511 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 124 transitions. Word has length 91 [2024-10-13 07:20:40,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:20:40,513 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 124 transitions. [2024-10-13 07:20:40,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (17), 4 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2024-10-13 07:20:40,513 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions. [2024-10-13 07:20:40,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-13 07:20:40,516 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:20:40,516 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 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] [2024-10-13 07:20:40,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 07:20:40,516 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:20:40,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:20:40,517 INFO L85 PathProgramCache]: Analyzing trace with hash 772688703, now seen corresponding path program 1 times [2024-10-13 07:20:40,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:20:40,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691484200] [2024-10-13 07:20:40,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:20:40,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:20:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:41,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:41,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 07:20:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:41,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:20:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:41,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 07:20:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:42,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 07:20:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:42,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:42,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 07:20:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:42,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 07:20:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:42,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:42,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 07:20:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:42,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 07:20:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:42,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 07:20:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:42,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 07:20:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:42,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 07:20:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:42,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:42,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 07:20:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:42,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 07:20:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:42,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:20:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:42,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:42,777 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-10-13 07:20:42,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:20:42,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691484200] [2024-10-13 07:20:42,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691484200] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:20:42,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 07:20:42,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-10-13 07:20:42,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507113908] [2024-10-13 07:20:42,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:20:42,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-13 07:20:42,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:20:42,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-13 07:20:42,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2024-10-13 07:20:42,780 INFO L87 Difference]: Start difference. First operand 96 states and 124 transitions. Second operand has 19 states, 16 states have (on average 2.1875) internal successors, (35), 16 states have internal predecessors, (35), 7 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) [2024-10-13 07:20:43,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:20:43,715 INFO L93 Difference]: Finished difference Result 161 states and 202 transitions. [2024-10-13 07:20:43,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-13 07:20:43,716 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 2.1875) internal successors, (35), 16 states have internal predecessors, (35), 7 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) Word has length 104 [2024-10-13 07:20:43,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:20:43,721 INFO L225 Difference]: With dead ends: 161 [2024-10-13 07:20:43,722 INFO L226 Difference]: Without dead ends: 100 [2024-10-13 07:20:43,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=709, Unknown=0, NotChecked=0, Total=812 [2024-10-13 07:20:43,724 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 43 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 07:20:43,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 574 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1170 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 07:20:43,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-10-13 07:20:43,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 99. [2024-10-13 07:20:43,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 55 states have (on average 1.1272727272727272) internal successors, (62), 57 states have internal predecessors, (62), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (32), 31 states have call predecessors, (32), 31 states have call successors, (32) [2024-10-13 07:20:43,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 127 transitions. [2024-10-13 07:20:43,746 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 127 transitions. Word has length 104 [2024-10-13 07:20:43,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:20:43,747 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 127 transitions. [2024-10-13 07:20:43,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 2.1875) internal successors, (35), 16 states have internal predecessors, (35), 7 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) [2024-10-13 07:20:43,747 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 127 transitions. [2024-10-13 07:20:43,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-13 07:20:43,749 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:20:43,750 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 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] [2024-10-13 07:20:43,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 07:20:43,750 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:20:43,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:20:43,750 INFO L85 PathProgramCache]: Analyzing trace with hash -336698855, now seen corresponding path program 1 times [2024-10-13 07:20:43,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:20:43,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245605486] [2024-10-13 07:20:43,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:20:43,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:20:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 07:20:43,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [746111777] [2024-10-13 07:20:43,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:20:43,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:20:43,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:20:43,944 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) [2024-10-13 07:20:43,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 07:20:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:44,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 99 conjuncts are in the unsatisfiable core [2024-10-13 07:20:44,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:20:44,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 07:20:44,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2024-10-13 07:20:46,130 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse4 (select |c_#memory_int#2| |c_aws_array_list_is_valid_#in~list.base|))) (let ((.cse1 (select (select |c_old(#memory_int#2)| |c_aws_array_list_is_valid_#in~list.base|) (+ |c_aws_array_list_is_valid_#in~list.offset| 16))) (.cse2 (mod (select .cse4 (+ |c_aws_array_list_is_valid_#in~list.offset| 8)) 18446744073709551616)) (.cse0 (= |c_aws_array_list_is_valid_#res| 0))) (or (and .cse0 (exists ((|aws_array_list_is_valid_~#required_size~0.base| Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_9| Int) (|v_aws_array_list_is_valid_~#required_size~0.offset_7| Int)) (and (<= |v_aws_array_list_is_valid_~#required_size~0.offset_7| 0) (= (store |c_old(#memory_int#2)| |aws_array_list_is_valid_~#required_size~0.base| (store (select |c_old(#memory_int#2)| |aws_array_list_is_valid_~#required_size~0.base|) |v_aws_array_list_is_valid_~#required_size~0.offset_7| (* .cse1 |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_9|))) |c_#memory_int#2|) (<= (+ .cse2 1) (mod (select (select |c_#memory_int#2| |aws_array_list_is_valid_~#required_size~0.base|) |v_aws_array_list_is_valid_~#required_size~0.offset_7|) 18446744073709551616))))) (and (exists ((|aws_array_list_is_valid_~#required_size~0.base| Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_9| Int) (|v_aws_array_list_is_valid_~#required_size~0.offset_7| Int)) (and (<= |v_aws_array_list_is_valid_~#required_size~0.offset_7| 0) (= (store |c_old(#memory_int#2)| |aws_array_list_is_valid_~#required_size~0.base| (store (select |c_old(#memory_int#2)| |aws_array_list_is_valid_~#required_size~0.base|) |v_aws_array_list_is_valid_~#required_size~0.offset_7| (* .cse1 |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_9|))) |c_#memory_int#2|) (<= (mod (select (select |c_#memory_int#2| |aws_array_list_is_valid_~#required_size~0.base|) |v_aws_array_list_is_valid_~#required_size~0.offset_7|) 18446744073709551616) .cse2))) (let ((.cse3 (= (mod (select .cse4 (+ |c_aws_array_list_is_valid_#in~list.offset| 24)) 18446744073709551616) 0))) (or (and .cse0 .cse3) (and (not .cse3) (= |c_aws_array_list_is_valid_#res| 1)))))))) is different from true [2024-10-13 07:20:46,272 INFO L349 Elim1Store]: treesize reduction 110, result has 29.9 percent of original size [2024-10-13 07:20:46,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 125 treesize of output 170 [2024-10-13 07:20:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 22 proven. 30 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-10-13 07:20:46,507 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 07:20:51,132 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 24)) (.cse2 (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 8)) (.cse4 (select (select |c_#memory_int#2| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ 16 |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)))) (and (forall ((|v_aws_mul_size_checked_#in~r#1.offset_7| Int)) (or (< 0 |v_aws_mul_size_checked_#in~r#1.offset_7|) (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_18| Int) (|v_aws_array_list_is_valid_~#required_size~0.base_11| Int)) (let ((.cse3 (* |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_18| .cse4))) (let ((.cse0 (select (store |c_#memory_int#2| |v_aws_array_list_is_valid_~#required_size~0.base_11| (store (select |c_#memory_int#2| |v_aws_array_list_is_valid_~#required_size~0.base_11|) |v_aws_mul_size_checked_#in~r#1.offset_7| .cse3)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (or (not (= (mod (select .cse0 .cse1) 18446744073709551616) 0)) (< (mod (select .cse0 .cse2) 18446744073709551616) (mod .cse3 18446744073709551616)))))))) (forall ((|v_aws_mul_size_checked_#in~r#1.offset_7| Int)) (or (< 0 |v_aws_mul_size_checked_#in~r#1.offset_7|) (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_18| Int) (|v_aws_array_list_is_valid_~#required_size~0.base_11| Int)) (let ((.cse6 (* |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_18| .cse4))) (let ((.cse5 (select (store |c_#memory_int#2| |v_aws_array_list_is_valid_~#required_size~0.base_11| (store (select |c_#memory_int#2| |v_aws_array_list_is_valid_~#required_size~0.base_11|) |v_aws_mul_size_checked_#in~r#1.offset_7| .cse6)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (or (not (= (mod (select .cse5 .cse1) 18446744073709551616) 0)) (< (mod .cse6 18446744073709551616) (+ (mod (select .cse5 .cse2) 18446744073709551616) 1)))))))) (forall ((|v_aws_mul_size_checked_#in~r#1.offset_7| Int)) (or (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_18| Int) (|v_aws_array_list_is_valid_~#required_size~0.base_11| Int)) (let ((.cse8 (* |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_18| .cse4))) (let ((.cse7 (select (store |c_#memory_int#2| |v_aws_array_list_is_valid_~#required_size~0.base_11| (store (select |c_#memory_int#2| |v_aws_array_list_is_valid_~#required_size~0.base_11|) |v_aws_mul_size_checked_#in~r#1.offset_7| .cse8)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (or (= (mod (select .cse7 .cse1) 18446744073709551616) 0) (< (mod .cse8 18446744073709551616) (+ (mod (select .cse7 .cse2) 18446744073709551616) 1)))))) (< 0 |v_aws_mul_size_checked_#in~r#1.offset_7|))))) is different from false [2024-10-13 07:20:51,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:20:51,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245605486] [2024-10-13 07:20:51,139 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 07:20:51,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746111777] [2024-10-13 07:20:51,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746111777] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:20:51,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 07:20:51,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2024-10-13 07:20:51,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126809574] [2024-10-13 07:20:51,140 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 07:20:51,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-13 07:20:51,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:20:51,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-13 07:20:51,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=499, Unknown=2, NotChecked=90, Total=650 [2024-10-13 07:20:51,141 INFO L87 Difference]: Start difference. First operand 99 states and 127 transitions. Second operand has 22 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 18 states have internal predecessors, (40), 8 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-10-13 07:20:56,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-10-13 07:21:00,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-10-13 07:21:00,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:21:00,747 INFO L93 Difference]: Finished difference Result 140 states and 186 transitions. [2024-10-13 07:21:00,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-13 07:21:00,749 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 18 states have internal predecessors, (40), 8 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 106 [2024-10-13 07:21:00,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:21:00,751 INFO L225 Difference]: With dead ends: 140 [2024-10-13 07:21:00,751 INFO L226 Difference]: Without dead ends: 138 [2024-10-13 07:21:00,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=97, Invalid=839, Unknown=2, NotChecked=118, Total=1056 [2024-10-13 07:21:00,752 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 78 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 1498 mSolverCounterSat, 65 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 1815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1498 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 250 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2024-10-13 07:21:00,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 781 Invalid, 1815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1498 Invalid, 2 Unknown, 250 Unchecked, 9.4s Time] [2024-10-13 07:21:00,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-10-13 07:21:00,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 115. [2024-10-13 07:21:00,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 67 states have (on average 1.1492537313432836) internal successors, (77), 70 states have internal predecessors, (77), 34 states have call successors, (34), 11 states have call predecessors, (34), 13 states have return successors, (38), 33 states have call predecessors, (38), 32 states have call successors, (38) [2024-10-13 07:21:00,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 149 transitions. [2024-10-13 07:21:00,779 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 149 transitions. Word has length 106 [2024-10-13 07:21:00,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:21:00,780 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 149 transitions. [2024-10-13 07:21:00,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 18 states have internal predecessors, (40), 8 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-10-13 07:21:00,780 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 149 transitions. [2024-10-13 07:21:00,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-13 07:21:00,782 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:21:00,782 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 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] [2024-10-13 07:21:00,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 07:21:00,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:21:00,990 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:21:00,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:21:00,991 INFO L85 PathProgramCache]: Analyzing trace with hash 343359515, now seen corresponding path program 1 times [2024-10-13 07:21:00,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:21:00,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484806994] [2024-10-13 07:21:00,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:21:00,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:21:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:01,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:21:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:01,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 07:21:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:01,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:21:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:01,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 07:21:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:01,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 07:21:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:01,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:21:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:01,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 07:21:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:01,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 07:21:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:01,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:21:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:01,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 07:21:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:01,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 07:21:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:01,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 07:21:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:01,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 07:21:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:01,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 07:21:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:01,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:21:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:01,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 07:21:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:01,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 07:21:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:01,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:21:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:01,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:21:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:01,614 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2024-10-13 07:21:01,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:21:01,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484806994] [2024-10-13 07:21:01,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484806994] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:21:01,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 07:21:01,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 07:21:01,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699585221] [2024-10-13 07:21:01,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:21:01,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 07:21:01,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:21:01,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 07:21:01,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-13 07:21:01,617 INFO L87 Difference]: Start difference. First operand 115 states and 149 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-13 07:21:01,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:21:01,893 INFO L93 Difference]: Finished difference Result 202 states and 257 transitions. [2024-10-13 07:21:01,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 07:21:01,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 106 [2024-10-13 07:21:01,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:21:01,895 INFO L225 Difference]: With dead ends: 202 [2024-10-13 07:21:01,895 INFO L226 Difference]: Without dead ends: 127 [2024-10-13 07:21:01,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-13 07:21:01,896 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 27 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 07:21:01,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 285 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 07:21:01,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-10-13 07:21:01,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 121. [2024-10-13 07:21:01,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 73 states have (on average 1.1643835616438356) internal successors, (85), 76 states have internal predecessors, (85), 34 states have call successors, (34), 11 states have call predecessors, (34), 13 states have return successors, (38), 33 states have call predecessors, (38), 32 states have call successors, (38) [2024-10-13 07:21:01,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 157 transitions. [2024-10-13 07:21:01,913 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 157 transitions. Word has length 106 [2024-10-13 07:21:01,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:21:01,913 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 157 transitions. [2024-10-13 07:21:01,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-13 07:21:01,914 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 157 transitions. [2024-10-13 07:21:01,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-13 07:21:01,915 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:21:01,915 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 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] [2024-10-13 07:21:01,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 07:21:01,915 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:21:01,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:21:01,916 INFO L85 PathProgramCache]: Analyzing trace with hash 601524953, now seen corresponding path program 1 times [2024-10-13 07:21:01,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:21:01,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87758012] [2024-10-13 07:21:01,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:21:01,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:21:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 07:21:02,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [827331626] [2024-10-13 07:21:02,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:21:02,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:21:02,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:21:02,027 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) [2024-10-13 07:21:02,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 07:21:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:02,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 142 conjuncts are in the unsatisfiable core [2024-10-13 07:21:02,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:21:02,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 07:21:02,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2024-10-13 07:21:02,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-13 07:21:16,808 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-13 07:21:24,831 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-13 07:21:36,871 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)