./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_set_at_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 14628bdc2b5dee98fd531ba30b57569c060efa6ead93e7c2de47c8a88cf53b5a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:37:34,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:37:35,061 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:37:35,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:37:35,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:37:35,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:37:35,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:37:35,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:37:35,106 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:37:35,107 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:37:35,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:37:35,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:37:35,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:37:35,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:37:35,110 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:37:35,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:37:35,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:37:35,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:37:35,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:37:35,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:37:35,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:37:35,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:37:35,114 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:37:35,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:37:35,114 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:37:35,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:37:35,114 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:37:35,115 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:37:35,115 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:37:35,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:37:35,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:37:35,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:37:35,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:37:35,115 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:37:35,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:37:35,116 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:37:35,116 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:37:35,116 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:37:35,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:37:35,116 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14628bdc2b5dee98fd531ba30b57569c060efa6ead93e7c2de47c8a88cf53b5a [2024-11-12 08:37:35,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:37:35,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:37:35,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:37:35,352 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:37:35,352 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:37:35,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i [2024-11-12 08:37:36,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:37:37,021 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:37:37,022 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i [2024-11-12 08:37:37,051 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e17ceba4e/6c33f19df6d4452e93e88c3e341a11a0/FLAG7bb71a5d3 [2024-11-12 08:37:37,192 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e17ceba4e/6c33f19df6d4452e93e88c3e341a11a0 [2024-11-12 08:37:37,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:37:37,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:37:37,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:37:37,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:37:37,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:37:37,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:37:37" (1/1) ... [2024-11-12 08:37:37,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@398c60d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:37:37, skipping insertion in model container [2024-11-12 08:37:37,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:37:37" (1/1) ... [2024-11-12 08:37:37,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:37:37,566 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i[4495,4508] [2024-11-12 08:37:37,577 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i[4555,4568] [2024-11-12 08:37:38,239 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,240 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,241 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,243 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,244 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,259 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,263 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,265 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,266 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,268 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,269 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,270 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,271 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,728 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,733 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,855 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,858 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,859 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:37:38,907 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:37:38,931 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i[4495,4508] [2024-11-12 08:37:38,931 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i[4555,4568] [2024-11-12 08:37:38,993 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,993 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,993 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,994 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,994 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:38,999 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:39,000 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:39,000 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:39,001 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:39,001 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:39,002 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:39,002 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:39,002 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:39,078 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:39,082 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:39,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7770-7781] [2024-11-12 08:37:39,101 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:39,104 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:39,104 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:37:39,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:37:39,323 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:37:39,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:37:39 WrapperNode [2024-11-12 08:37:39,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:37:39,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:37:39,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:37:39,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:37:39,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:37:39" (1/1) ... [2024-11-12 08:37:39,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:37:39" (1/1) ... [2024-11-12 08:37:39,473 INFO L138 Inliner]: procedures = 680, calls = 1678, calls flagged for inlining = 50, calls inlined = 10, statements flattened = 850 [2024-11-12 08:37:39,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:37:39,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:37:39,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:37:39,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:37:39,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:37:39" (1/1) ... [2024-11-12 08:37:39,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:37:39" (1/1) ... [2024-11-12 08:37:39,503 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:37:39" (1/1) ... [2024-11-12 08:37:39,575 INFO L175 MemorySlicer]: Split 332 memory accesses to 6 slices as follows [238, 2, 6, 6, 8, 72]. 72 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 0, 1, 5, 10]. The 241 writes are split as follows [232, 0, 2, 1, 0, 6]. [2024-11-12 08:37:39,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:37:39" (1/1) ... [2024-11-12 08:37:39,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:37:39" (1/1) ... [2024-11-12 08:37:39,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:37:39" (1/1) ... [2024-11-12 08:37:39,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:37:39" (1/1) ... [2024-11-12 08:37:39,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:37:39" (1/1) ... [2024-11-12 08:37:39,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:37:39" (1/1) ... [2024-11-12 08:37:39,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:37:39,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:37:39,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:37:39,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:37:39,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:37:39" (1/1) ... [2024-11-12 08:37:39,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:37:39,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:37:39,694 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) [2024-11-12 08:37:39,696 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 [2024-11-12 08:37:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:37:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-12 08:37:39,735 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-12 08:37:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-12 08:37:39,736 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-12 08:37:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:37:39,736 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:37:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-12 08:37:39,736 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-12 08:37:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:37:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:37:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:37:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:37:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:37:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 08:37:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:37:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:37:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:37:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:37:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:37:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 08:37:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-12 08:37:39,739 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-12 08:37:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:37:39,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:37:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:37:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:37:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:37:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:37:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:37:39,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:37:39,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:37:39,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 08:37:39,741 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-12 08:37:39,741 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-12 08:37:39,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:37:39,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:37:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:37:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:37:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-12 08:37:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-12 08:37:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-12 08:37:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-12 08:37:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-12 08:37:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-12 08:37:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:37:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:37:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:37:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:37:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:37:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 08:37:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-12 08:37:39,779 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-12 08:37:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-12 08:37:39,779 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-12 08:37:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-12 08:37:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-12 08:37:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:37:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:37:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-12 08:37:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-12 08:37:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-12 08:37:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-12 08:37:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:37:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-12 08:37:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-12 08:37:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:37:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:37:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:37:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:37:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:37:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 08:37:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:37:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:37:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:37:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:37:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:37:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 08:37:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:37:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:37:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-12 08:37:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-12 08:37:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-12 08:37:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-12 08:37:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:37:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:37:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:37:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:37:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:37:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 08:37:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-12 08:37:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-12 08:37:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2024-11-12 08:37:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2024-11-12 08:37:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:37:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:37:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:37:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:37:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:37:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 08:37:40,118 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:37:40,122 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:37:46,001 INFO L? ?]: Removed 167 outVars from TransFormulas that were not future-live. [2024-11-12 08:37:46,001 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:37:46,022 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:37:46,022 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 08:37:46,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:37:46 BoogieIcfgContainer [2024-11-12 08:37:46,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:37:46,024 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:37:46,024 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:37:46,027 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:37:46,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:37:37" (1/3) ... [2024-11-12 08:37:46,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24fccb77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:37:46, skipping insertion in model container [2024-11-12 08:37:46,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:37:39" (2/3) ... [2024-11-12 08:37:46,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24fccb77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:37:46, skipping insertion in model container [2024-11-12 08:37:46,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:37:46" (3/3) ... [2024-11-12 08:37:46,032 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_set_at_harness.i [2024-11-12 08:37:46,047 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:37:46,047 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:37:46,120 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:37:46,126 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;@507ffdc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:37:46,126 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:37:46,131 INFO L276 IsEmpty]: Start isEmpty. Operand has 288 states, 167 states have (on average 1.215568862275449) internal successors, (203), 169 states have internal predecessors, (203), 96 states have call successors, (96), 23 states have call predecessors, (96), 23 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-12 08:37:46,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-12 08:37:46,149 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:37:46,150 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 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, 1, 1, 1, 1, 1] [2024-11-12 08:37:46,151 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:37:46,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:37:46,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1931342552, now seen corresponding path program 1 times [2024-11-12 08:37:46,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:37:46,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651930362] [2024-11-12 08:37:46,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:37:46,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:37:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:51,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:37:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:51,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 08:37:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:37:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:37:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:37:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 08:37:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 08:37:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 08:37:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 08:37:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 08:37:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 08:37:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:37:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 08:37:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-12 08:37:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 08:37:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 08:37:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 08:37:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 08:37:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 08:37:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 08:37:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-12 08:37:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-12 08:37:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:52,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-12 08:37:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:53,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-12 08:37:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:53,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:37:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:53,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 08:37:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:53,252 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-12 08:37:53,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:37:53,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651930362] [2024-11-12 08:37:53,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651930362] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:37:53,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597278126] [2024-11-12 08:37:53,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:37:53,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:37:53,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:37:53,257 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) [2024-11-12 08:37:53,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 08:37:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:37:58,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 4469 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 08:37:58,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 08:37:59,211 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-12 08:37:59,211 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 08:37:59,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597278126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:37:59,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 08:37:59,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-11-12 08:37:59,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844052137] [2024-11-12 08:37:59,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:37:59,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 08:37:59,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:37:59,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 08:37:59,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-12 08:37:59,243 INFO L87 Difference]: Start difference. First operand has 288 states, 167 states have (on average 1.215568862275449) internal successors, (203), 169 states have internal predecessors, (203), 96 states have call successors, (96), 23 states have call predecessors, (96), 23 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-12 08:38:02,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:38:02,313 INFO L93 Difference]: Finished difference Result 571 states and 858 transitions. [2024-11-12 08:38:02,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 08:38:02,316 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 156 [2024-11-12 08:38:02,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:38:02,328 INFO L225 Difference]: With dead ends: 571 [2024-11-12 08:38:02,328 INFO L226 Difference]: Without dead ends: 285 [2024-11-12 08:38:02,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-11-12 08:38:02,345 INFO L435 NwaCegarLoop]: 333 mSDtfsCounter, 408 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-12 08:38:02,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 1260 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-12 08:38:02,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-12 08:38:02,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2024-11-12 08:38:02,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 164 states have (on average 1.2073170731707317) internal successors, (198), 167 states have internal predecessors, (198), 96 states have call successors, (96), 23 states have call predecessors, (96), 24 states have return successors, (111), 95 states have call predecessors, (111), 95 states have call successors, (111) [2024-11-12 08:38:02,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 405 transitions. [2024-11-12 08:38:02,431 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 405 transitions. Word has length 156 [2024-11-12 08:38:02,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:38:02,432 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 405 transitions. [2024-11-12 08:38:02,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-12 08:38:02,433 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 405 transitions. [2024-11-12 08:38:02,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-12 08:38:02,436 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:38:02,437 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:38:02,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 08:38:02,641 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 [2024-11-12 08:38:02,641 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:38:02,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:38:02,642 INFO L85 PathProgramCache]: Analyzing trace with hash 2015842466, now seen corresponding path program 1 times [2024-11-12 08:38:02,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:38:02,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928169251] [2024-11-12 08:38:02,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:38:02,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:38:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:08,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:38:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:08,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 08:38:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:09,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:38:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:09,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:38:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:09,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:38:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:09,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 08:38:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:10,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:38:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:10,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:38:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:10,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:38:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:10,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 08:38:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:10,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 08:38:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:10,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:38:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:10,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 08:38:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:10,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:38:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:10,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 08:38:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:10,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:38:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:10,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:38:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:10,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:38:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:10,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 08:38:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:10,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 08:38:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:10,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 08:38:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:11,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 08:38:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:11,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 08:38:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:11,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 08:38:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:11,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 08:38:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:11,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 08:38:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:11,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 08:38:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:11,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 08:38:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:11,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:38:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:11,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 08:38:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:12,009 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-12 08:38:12,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:38:12,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928169251] [2024-11-12 08:38:12,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928169251] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:38:12,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227706374] [2024-11-12 08:38:12,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:38:12,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:38:12,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:38:12,012 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) [2024-11-12 08:38:12,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 08:38:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:17,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 4723 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 08:38:17,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 08:38:20,196 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-12 08:38:20,196 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 08:38:20,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227706374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:38:20,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 08:38:20,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 21 [2024-11-12 08:38:20,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551990126] [2024-11-12 08:38:20,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:38:20,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 08:38:20,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:38:20,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 08:38:20,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2024-11-12 08:38:20,199 INFO L87 Difference]: Start difference. First operand 285 states and 405 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 4 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-12 08:38:26,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:38:26,946 INFO L93 Difference]: Finished difference Result 514 states and 730 transitions. [2024-11-12 08:38:26,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 08:38:26,947 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 4 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 186 [2024-11-12 08:38:26,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:38:26,954 INFO L225 Difference]: With dead ends: 514 [2024-11-12 08:38:26,954 INFO L226 Difference]: Without dead ends: 285 [2024-11-12 08:38:26,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2024-11-12 08:38:26,956 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 464 mSDsluCounter, 1323 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 1622 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-12 08:38:26,957 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 1622 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2024-11-12 08:38:26,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-12 08:38:26,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2024-11-12 08:38:26,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 164 states have (on average 1.2073170731707317) internal successors, (198), 167 states have internal predecessors, (198), 96 states have call successors, (96), 23 states have call predecessors, (96), 24 states have return successors, (107), 95 states have call predecessors, (107), 95 states have call successors, (107) [2024-11-12 08:38:26,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 401 transitions. [2024-11-12 08:38:26,990 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 401 transitions. Word has length 186 [2024-11-12 08:38:26,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:38:26,990 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 401 transitions. [2024-11-12 08:38:26,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 4 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-12 08:38:26,991 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 401 transitions. [2024-11-12 08:38:26,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-12 08:38:26,994 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:38:26,994 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2024-11-12 08:38:27,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 08:38:27,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-12 08:38:27,195 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:38:27,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:38:27,196 INFO L85 PathProgramCache]: Analyzing trace with hash 320849307, now seen corresponding path program 2 times [2024-11-12 08:38:27,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:38:27,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166770692] [2024-11-12 08:38:27,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:38:27,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:38:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:33,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:38:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:33,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 08:38:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:33,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:38:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:33,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:38:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:33,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:38:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:34,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 08:38:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:35,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:38:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:35,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:38:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:35,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:38:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:35,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 08:38:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:35,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 08:38:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:35,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:38:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:35,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 08:38:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:35,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:38:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:35,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 08:38:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:35,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:38:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:35,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:38:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:35,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:38:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:35,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 08:38:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:35,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 08:38:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:35,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 08:38:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:35,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:38:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:35,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:38:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:35,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 08:38:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:35,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 08:38:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:35,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 08:38:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:36,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 08:38:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:36,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 08:38:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:36,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 08:38:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:36,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 08:38:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:36,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:38:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:36,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 08:38:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:36,704 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-11-12 08:38:36,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:38:36,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166770692] [2024-11-12 08:38:36,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166770692] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:38:36,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988542877] [2024-11-12 08:38:36,707 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 08:38:36,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:38:36,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:38:36,708 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 08:38:36,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 08:38:41,634 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 08:38:41,635 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 08:38:41,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 3910 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 08:38:41,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 08:38:42,865 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2024-11-12 08:38:42,866 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 08:38:42,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988542877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:38:42,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 08:38:42,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16] total 19 [2024-11-12 08:38:42,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672963834] [2024-11-12 08:38:42,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:38:42,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 08:38:42,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:38:42,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 08:38:42,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2024-11-12 08:38:42,868 INFO L87 Difference]: Start difference. First operand 285 states and 401 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-12 08:38:43,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:38:43,082 INFO L93 Difference]: Finished difference Result 496 states and 688 transitions. [2024-11-12 08:38:43,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 08:38:43,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 201 [2024-11-12 08:38:43,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:38:43,093 INFO L225 Difference]: With dead ends: 496 [2024-11-12 08:38:43,093 INFO L226 Difference]: Without dead ends: 290 [2024-11-12 08:38:43,095 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2024-11-12 08:38:43,095 INFO L435 NwaCegarLoop]: 385 mSDtfsCounter, 0 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1534 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 08:38:43,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1534 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 08:38:43,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-12 08:38:43,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2024-11-12 08:38:43,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 168 states have (on average 1.2023809523809523) internal successors, (202), 171 states have internal predecessors, (202), 96 states have call successors, (96), 23 states have call predecessors, (96), 25 states have return successors, (109), 96 states have call predecessors, (109), 95 states have call successors, (109) [2024-11-12 08:38:43,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 407 transitions. [2024-11-12 08:38:43,135 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 407 transitions. Word has length 201 [2024-11-12 08:38:43,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:38:43,136 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 407 transitions. [2024-11-12 08:38:43,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-12 08:38:43,137 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 407 transitions. [2024-11-12 08:38:43,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-12 08:38:43,140 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:38:43,140 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:38:43,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 08:38:43,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:38:43,342 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:38:43,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:38:43,343 INFO L85 PathProgramCache]: Analyzing trace with hash 778665137, now seen corresponding path program 1 times [2024-11-12 08:38:43,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:38:43,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140479998] [2024-11-12 08:38:43,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:38:43,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:38:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:49,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:38:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:49,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 08:38:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:49,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:38:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:49,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:38:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:49,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:38:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:50,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 08:38:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:51,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:38:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:51,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:38:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:51,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:38:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:51,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 08:38:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:51,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 08:38:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:51,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:38:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:51,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 08:38:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:51,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:38:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:51,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 08:38:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:51,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:38:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:51,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:38:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:51,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:38:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:51,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 08:38:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:51,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 08:38:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:51,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 08:38:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:51,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:38:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:51,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:38:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:51,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 08:38:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:51,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 08:38:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:51,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 08:38:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:52,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 08:38:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:52,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 08:38:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:52,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 08:38:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:52,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 08:38:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:52,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:38:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:53,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 08:38:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:53,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 08:38:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:53,059 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-11-12 08:38:53,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:38:53,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140479998] [2024-11-12 08:38:53,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140479998] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:38:53,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642437203] [2024-11-12 08:38:53,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:38:53,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:38:53,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:38:53,062 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 08:38:53,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 08:38:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:38:58,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 4854 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 08:38:58,156 INFO L279 TraceCheckSpWp]: Computing forward predicates...