./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_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-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 07:21:49,986 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 07:21:50,074 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-13 07:21:50,080 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 07:21:50,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 07:21:50,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 07:21:50,118 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 07:21:50,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 07:21:50,119 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 07:21:50,120 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 07:21:50,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 07:21:50,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 07:21:50,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 07:21:50,124 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 07:21:50,124 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 07:21:50,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 07:21:50,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 07:21:50,125 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 07:21:50,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 07:21:50,126 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 07:21:50,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 07:21:50,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 07:21:50,129 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 07:21:50,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 07:21:50,129 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 07:21:50,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 07:21:50,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 07:21:50,130 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 07:21:50,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 07:21:50,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 07:21:50,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 07:21:50,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 07:21:50,132 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 07:21:50,132 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 07:21:50,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 07:21:50,134 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 07:21:50,134 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 07:21:50,135 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 07:21:50,135 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 07:21:50,135 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14628bdc2b5dee98fd531ba30b57569c060efa6ead93e7c2de47c8a88cf53b5a [2024-10-13 07:21:50,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 07:21:50,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 07:21:50,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 07:21:50,421 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 07:21:50,422 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 07:21:50,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i [2024-10-13 07:21:51,813 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 07:21:52,224 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 07:21:52,226 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i [2024-10-13 07:21:52,263 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0135f2599/3bed72eb25be4b1881543647e00921c0/FLAG3764ecf7a [2024-10-13 07:21:52,388 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0135f2599/3bed72eb25be4b1881543647e00921c0 [2024-10-13 07:21:52,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 07:21:52,391 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 07:21:52,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 07:21:52,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 07:21:52,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 07:21:52,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:52" (1/1) ... [2024-10-13 07:21:52,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56df910d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:52, skipping insertion in model container [2024-10-13 07:21:52,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:52" (1/1) ... [2024-10-13 07:21:52,484 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 07:21:52,785 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i[4495,4508] [2024-10-13 07:21:52,795 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i[4555,4568] [2024-10-13 07:21:53,635 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:53,637 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:53,638 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:53,638 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:53,640 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:53,657 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:53,658 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:53,661 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:53,662 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:53,664 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:53,666 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:53,667 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:53,667 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,146 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,151 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,189 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,190 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,190 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 07:21:54,220 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 07:21:54,233 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i[4495,4508] [2024-10-13 07:21:54,234 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i[4555,4568] [2024-10-13 07:21:54,281 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,282 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,282 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,282 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,283 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,289 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,289 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,290 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,290 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,291 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,292 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,292 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,292 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,372 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,382 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7770-7781] [2024-10-13 07:21:54,407 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,407 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,408 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:21:54,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 07:21:54,620 INFO L204 MainTranslator]: Completed translation [2024-10-13 07:21:54,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:54 WrapperNode [2024-10-13 07:21:54,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 07:21:54,622 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 07:21:54,623 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 07:21:54,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 07:21:54,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:54" (1/1) ... [2024-10-13 07:21:54,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:54" (1/1) ... [2024-10-13 07:21:54,790 INFO L138 Inliner]: procedures = 680, calls = 1672, calls flagged for inlining = 50, calls inlined = 10, statements flattened = 848 [2024-10-13 07:21:54,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 07:21:54,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 07:21:54,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 07:21:54,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 07:21:54,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:54" (1/1) ... [2024-10-13 07:21:54,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:54" (1/1) ... [2024-10-13 07:21:54,812 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:54" (1/1) ... [2024-10-13 07:21:54,885 INFO L175 MemorySlicer]: Split 330 memory accesses to 6 slices as follows [236, 2, 6, 6, 72, 8]. 72 percent of accesses are in the largest equivalence class. The 254 initializations are split as follows [236, 2, 0, 1, 10, 5]. The 9 writes are split as follows [0, 0, 2, 1, 6, 0]. [2024-10-13 07:21:54,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:54" (1/1) ... [2024-10-13 07:21:54,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:54" (1/1) ... [2024-10-13 07:21:54,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:54" (1/1) ... [2024-10-13 07:21:54,928 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:54" (1/1) ... [2024-10-13 07:21:54,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:54" (1/1) ... [2024-10-13 07:21:54,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:54" (1/1) ... [2024-10-13 07:21:54,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 07:21:54,962 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 07:21:54,962 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 07:21:54,962 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 07:21:54,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:54" (1/1) ... [2024-10-13 07:21:54,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 07:21:54,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:21:55,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 07:21:55,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 07:21:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 07:21:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-13 07:21:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-13 07:21:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-13 07:21:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-13 07:21:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-13 07:21:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-13 07:21:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-10-13 07:21:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-10-13 07:21:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 07:21:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 07:21:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 07:21:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-13 07:21:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-13 07:21:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-13 07:21:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-13 07:21:55,051 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-13 07:21:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 07:21:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 07:21:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 07:21:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 07:21:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 07:21:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 07:21:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 07:21:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-13 07:21:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-13 07:21:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-13 07:21:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-10-13 07:21:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-10-13 07:21:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 07:21:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 07:21:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-13 07:21:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-13 07:21:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-13 07:21:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-13 07:21:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-13 07:21:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-13 07:21:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-13 07:21:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-13 07:21:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-10-13 07:21:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-10-13 07:21:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-10-13 07:21:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-10-13 07:21:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-10-13 07:21:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-10-13 07:21:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 07:21:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 07:21:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-10-13 07:21:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-10-13 07:21:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-10-13 07:21:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-10-13 07:21:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 07:21:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-10-13 07:21:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-10-13 07:21:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 07:21:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 07:21:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 07:21:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-13 07:21:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-13 07:21:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-13 07:21:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-13 07:21:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-13 07:21:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-13 07:21:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-13 07:21:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-13 07:21:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-13 07:21:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-13 07:21:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-13 07:21:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-13 07:21:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-13 07:21:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-10-13 07:21:55,062 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-10-13 07:21:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 07:21:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 07:21:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 07:21:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-13 07:21:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-13 07:21:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-13 07:21:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-13 07:21:55,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-13 07:21:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2024-10-13 07:21:55,063 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2024-10-13 07:21:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 07:21:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 07:21:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 07:21:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-13 07:21:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-13 07:21:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-13 07:21:55,465 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 07:21:55,467 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 07:21:56,381 INFO L? ?]: Removed 165 outVars from TransFormulas that were not future-live. [2024-10-13 07:21:56,382 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 07:21:56,506 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 07:21:56,508 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 07:21:56,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:56 BoogieIcfgContainer [2024-10-13 07:21:56,508 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 07:21:56,511 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 07:21:56,511 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 07:21:56,514 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 07:21:56,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:21:52" (1/3) ... [2024-10-13 07:21:56,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cfb8206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:56, skipping insertion in model container [2024-10-13 07:21:56,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:54" (2/3) ... [2024-10-13 07:21:56,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cfb8206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:56, skipping insertion in model container [2024-10-13 07:21:56,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:56" (3/3) ... [2024-10-13 07:21:56,517 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_set_at_harness.i [2024-10-13 07:21:56,532 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 07:21:56,533 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 07:21:56,607 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 07:21:56,613 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;@60f27660, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 07:21:56,615 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 07:21:56,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 267 states, 146 states have (on average 1.2465753424657535) internal successors, (182), 148 states have internal predecessors, (182), 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) [2024-10-13 07:21:56,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-13 07:21:56,641 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:21:56,642 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 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] [2024-10-13 07:21:56,644 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:21:56,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:21:56,649 INFO L85 PathProgramCache]: Analyzing trace with hash -403316130, now seen corresponding path program 1 times [2024-10-13 07:21:56,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:21:56,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569621509] [2024-10-13 07:21:56,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:21:56,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:21:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:21:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 07:21:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 07:21:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:21:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:21:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 07:21:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 07:21:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 07:21:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 07:21:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 07:21:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 07:21:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:21:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 07:21:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 07:21:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 07:21:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 07:21:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 07:21:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 07:21:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 07:21:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 07:21:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 07:21:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 07:21:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 07:21:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 07:21:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:57,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:21:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:58,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 07:21:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:58,016 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2024-10-13 07:21:58,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:21:58,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569621509] [2024-10-13 07:21:58,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569621509] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:21:58,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398308525] [2024-10-13 07:21:58,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:21:58,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:21:58,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:21:58,022 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 07:21:58,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 07:21:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:21:58,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 2431 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 07:21:58,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:21:58,775 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-10-13 07:21:58,776 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 07:21:58,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398308525] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:21:58,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 07:21:58,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-13 07:21:58,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497779600] [2024-10-13 07:21:58,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:21:58,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 07:21:58,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:21:58,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 07:21:58,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-10-13 07:21:58,818 INFO L87 Difference]: Start difference. First operand has 267 states, 146 states have (on average 1.2465753424657535) internal successors, (182), 148 states have internal predecessors, (182), 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 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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) [2024-10-13 07:21:59,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:21:59,225 INFO L93 Difference]: Finished difference Result 531 states and 818 transitions. [2024-10-13 07:21:59,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 07:21:59,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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 147 [2024-10-13 07:21:59,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:21:59,244 INFO L225 Difference]: With dead ends: 531 [2024-10-13 07:21:59,244 INFO L226 Difference]: Without dead ends: 267 [2024-10-13 07:21:59,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-10-13 07:21:59,258 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 41 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 07:21:59,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 1202 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 07:21:59,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-10-13 07:21:59,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2024-10-13 07:21:59,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 146 states have (on average 1.2328767123287672) internal successors, (180), 149 states have internal predecessors, (180), 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) [2024-10-13 07:21:59,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 387 transitions. [2024-10-13 07:21:59,351 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 387 transitions. Word has length 147 [2024-10-13 07:21:59,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:21:59,352 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 387 transitions. [2024-10-13 07:21:59,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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) [2024-10-13 07:21:59,353 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 387 transitions. [2024-10-13 07:21:59,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-13 07:21:59,361 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:21:59,362 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 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] [2024-10-13 07:21:59,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 07:21:59,562 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 [2024-10-13 07:21:59,563 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:21:59,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:21:59,564 INFO L85 PathProgramCache]: Analyzing trace with hash -529480404, now seen corresponding path program 1 times [2024-10-13 07:21:59,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:21:59,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473469281] [2024-10-13 07:21:59,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:21:59,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:21:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 07:22:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 07:22:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:22:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:22:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 07:22:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 07:22:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 07:22:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 07:22:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 07:22:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 07:22:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 07:22:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 07:22:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 07:22:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 07:22:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 07:22:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 07:22:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-13 07:22:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 07:22:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 07:22:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 07:22:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 07:22:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 07:22:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 07:22:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:00,727 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-10-13 07:22:00,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:22:00,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473469281] [2024-10-13 07:22:00,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473469281] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:22:00,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331993762] [2024-10-13 07:22:00,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:22:00,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:22:00,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:22:00,730 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 07:22:00,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 07:22:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:01,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 2701 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 07:22:01,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:22:01,467 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-10-13 07:22:01,467 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 07:22:01,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331993762] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:22:01,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 07:22:01,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2024-10-13 07:22:01,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341286306] [2024-10-13 07:22:01,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:22:01,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 07:22:01,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:22:01,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 07:22:01,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-10-13 07:22:01,471 INFO L87 Difference]: Start difference. First operand 267 states and 387 transitions. Second operand has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2024-10-13 07:22:01,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:22:01,926 INFO L93 Difference]: Finished difference Result 481 states and 697 transitions. [2024-10-13 07:22:01,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 07:22:01,927 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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 173 [2024-10-13 07:22:01,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:22:01,931 INFO L225 Difference]: With dead ends: 481 [2024-10-13 07:22:01,931 INFO L226 Difference]: Without dead ends: 267 [2024-10-13 07:22:01,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-10-13 07:22:01,933 INFO L432 NwaCegarLoop]: 322 mSDtfsCounter, 143 mSDsluCounter, 1349 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 07:22:01,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 1671 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 07:22:01,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-10-13 07:22:01,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2024-10-13 07:22:01,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 146 states have (on average 1.2328767123287672) internal successors, (180), 149 states have internal predecessors, (180), 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) [2024-10-13 07:22:01,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 383 transitions. [2024-10-13 07:22:01,959 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 383 transitions. Word has length 173 [2024-10-13 07:22:01,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:22:01,960 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 383 transitions. [2024-10-13 07:22:01,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2024-10-13 07:22:01,960 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 383 transitions. [2024-10-13 07:22:01,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-13 07:22:01,963 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:22:01,964 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:22:01,983 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 07:22:02,164 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 [2024-10-13 07:22:02,165 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:22:02,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:22:02,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1385856031, now seen corresponding path program 2 times [2024-10-13 07:22:02,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:22:02,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776262343] [2024-10-13 07:22:02,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:22:02,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:22:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:02,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:02,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 07:22:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:02,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 07:22:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:02,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:22:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:02,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:22:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:02,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 07:22:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:02,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:02,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:02,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 07:22:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:02,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 07:22:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:02,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 07:22:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:02,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 07:22:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 07:22:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 07:22:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 07:22:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 07:22:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 07:22:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 07:22:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 07:22:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 07:22:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 07:22:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 07:22:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 07:22:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 07:22:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 07:22:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 07:22:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:03,298 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-10-13 07:22:03,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:22:03,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776262343] [2024-10-13 07:22:03,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776262343] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:22:03,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427125249] [2024-10-13 07:22:03,312 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 07:22:03,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:22:03,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:22:03,315 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) [2024-10-13 07:22:03,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 07:22:03,794 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 07:22:03,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 07:22:03,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 1877 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 07:22:03,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:22:03,890 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-10-13 07:22:03,892 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 07:22:03,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427125249] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:22:03,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 07:22:03,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-13 07:22:03,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657951298] [2024-10-13 07:22:03,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:22:03,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 07:22:03,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:22:03,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 07:22:03,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-13 07:22:03,897 INFO L87 Difference]: Start difference. First operand 267 states and 383 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-10-13 07:22:04,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:22:04,169 INFO L93 Difference]: Finished difference Result 462 states and 654 transitions. [2024-10-13 07:22:04,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 07:22:04,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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 186 [2024-10-13 07:22:04,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:22:04,177 INFO L225 Difference]: With dead ends: 462 [2024-10-13 07:22:04,178 INFO L226 Difference]: Without dead ends: 271 [2024-10-13 07:22:04,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-13 07:22:04,179 INFO L432 NwaCegarLoop]: 351 mSDtfsCounter, 0 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1398 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 07:22:04,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1398 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 07:22:04,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-10-13 07:22:04,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2024-10-13 07:22:04,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 149 states have (on average 1.2281879194630871) internal successors, (183), 152 states have internal predecessors, (183), 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) [2024-10-13 07:22:04,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 388 transitions. [2024-10-13 07:22:04,214 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 388 transitions. Word has length 186 [2024-10-13 07:22:04,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:22:04,215 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 388 transitions. [2024-10-13 07:22:04,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-10-13 07:22:04,216 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 388 transitions. [2024-10-13 07:22:04,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-13 07:22:04,218 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:22:04,218 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:22:04,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-13 07:22:04,419 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 [2024-10-13 07:22:04,419 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:22:04,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:22:04,420 INFO L85 PathProgramCache]: Analyzing trace with hash -2090619147, now seen corresponding path program 1 times [2024-10-13 07:22:04,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:22:04,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955003678] [2024-10-13 07:22:04,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:22:04,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:22:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:04,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:04,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 07:22:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:04,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 07:22:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:04,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:22:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:04,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:22:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 07:22:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 07:22:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 07:22:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 07:22:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 07:22:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 07:22:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 07:22:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 07:22:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 07:22:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 07:22:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 07:22:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 07:22:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 07:22:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 07:22:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 07:22:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 07:22:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 07:22:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 07:22:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 07:22:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 07:22:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,397 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-10-13 07:22:05,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:22:05,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955003678] [2024-10-13 07:22:05,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955003678] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:22:05,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857579363] [2024-10-13 07:22:05,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:22:05,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:22:05,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:22:05,400 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) [2024-10-13 07:22:05,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 07:22:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:05,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 2833 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 07:22:05,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:22:06,121 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-10-13 07:22:06,121 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 07:22:06,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857579363] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:22:06,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 07:22:06,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2024-10-13 07:22:06,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047415730] [2024-10-13 07:22:06,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:22:06,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 07:22:06,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:22:06,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 07:22:06,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2024-10-13 07:22:06,124 INFO L87 Difference]: Start difference. First operand 271 states and 388 transitions. Second operand has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 5 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2024-10-13 07:22:06,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:22:06,715 INFO L93 Difference]: Finished difference Result 483 states and 689 transitions. [2024-10-13 07:22:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 07:22:06,716 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 5 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) Word has length 190 [2024-10-13 07:22:06,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:22:06,722 INFO L225 Difference]: With dead ends: 483 [2024-10-13 07:22:06,722 INFO L226 Difference]: Without dead ends: 271 [2024-10-13 07:22:06,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2024-10-13 07:22:06,724 INFO L432 NwaCegarLoop]: 318 mSDtfsCounter, 179 mSDsluCounter, 1603 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 1921 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 07:22:06,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 1921 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 07:22:06,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-10-13 07:22:06,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2024-10-13 07:22:06,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 149 states have (on average 1.2281879194630871) internal successors, (183), 152 states have internal predecessors, (183), 96 states have call successors, (96), 23 states have call predecessors, (96), 25 states have return successors, (103), 96 states have call predecessors, (103), 95 states have call successors, (103) [2024-10-13 07:22:06,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 382 transitions. [2024-10-13 07:22:06,757 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 382 transitions. Word has length 190 [2024-10-13 07:22:06,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:22:06,758 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 382 transitions. [2024-10-13 07:22:06,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 5 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2024-10-13 07:22:06,758 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 382 transitions. [2024-10-13 07:22:06,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-13 07:22:06,761 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:22:06,762 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-10-13 07:22:06,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 07:22:06,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:22:06,963 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:22:06,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:22:06,963 INFO L85 PathProgramCache]: Analyzing trace with hash -583976038, now seen corresponding path program 2 times [2024-10-13 07:22:06,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:22:06,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194886063] [2024-10-13 07:22:06,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:22:06,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:22:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 07:22:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 07:22:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:22:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:22:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 07:22:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 07:22:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 07:22:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 07:22:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 07:22:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 07:22:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 07:22:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 07:22:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 07:22:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 07:22:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 07:22:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 07:22:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 07:22:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 07:22:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 07:22:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:07,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 07:22:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:08,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 07:22:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:08,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 07:22:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:08,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:08,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 07:22:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:08,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 07:22:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:08,112 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-10-13 07:22:08,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:22:08,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194886063] [2024-10-13 07:22:08,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194886063] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:22:08,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328941283] [2024-10-13 07:22:08,113 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 07:22:08,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:22:08,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:22:08,115 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 07:22:08,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 07:22:08,775 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 07:22:08,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 07:22:08,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 2968 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 07:22:08,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:22:08,964 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-10-13 07:22:08,965 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 07:22:08,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328941283] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:22:08,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 07:22:08,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [14] total 21 [2024-10-13 07:22:08,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419484843] [2024-10-13 07:22:08,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:22:08,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 07:22:08,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:22:08,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 07:22:08,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2024-10-13 07:22:08,968 INFO L87 Difference]: Start difference. First operand 271 states and 382 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 6 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (29), 6 states have call predecessors, (29), 5 states have call successors, (29) [2024-10-13 07:22:09,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:22:09,588 INFO L93 Difference]: Finished difference Result 480 states and 672 transitions. [2024-10-13 07:22:09,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 07:22:09,589 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 6 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (29), 6 states have call predecessors, (29), 5 states have call successors, (29) Word has length 203 [2024-10-13 07:22:09,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:22:09,591 INFO L225 Difference]: With dead ends: 480 [2024-10-13 07:22:09,592 INFO L226 Difference]: Without dead ends: 271 [2024-10-13 07:22:09,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2024-10-13 07:22:09,595 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 186 mSDsluCounter, 1913 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 2234 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 07:22:09,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 2234 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 07:22:09,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-10-13 07:22:09,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2024-10-13 07:22:09,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 149 states have (on average 1.2281879194630871) internal successors, (183), 152 states have internal predecessors, (183), 96 states have call successors, (96), 23 states have call predecessors, (96), 25 states have return successors, (99), 96 states have call predecessors, (99), 95 states have call successors, (99) [2024-10-13 07:22:09,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 378 transitions. [2024-10-13 07:22:09,617 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 378 transitions. Word has length 203 [2024-10-13 07:22:09,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:22:09,617 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 378 transitions. [2024-10-13 07:22:09,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 6 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (29), 6 states have call predecessors, (29), 5 states have call successors, (29) [2024-10-13 07:22:09,618 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 378 transitions. [2024-10-13 07:22:09,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-10-13 07:22:09,621 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:22:09,621 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-10-13 07:22:09,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-13 07:22:09,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:22:09,822 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:22:09,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:22:09,822 INFO L85 PathProgramCache]: Analyzing trace with hash -2073409648, now seen corresponding path program 1 times [2024-10-13 07:22:09,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:22:09,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194483992] [2024-10-13 07:22:09,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:22:09,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:22:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 07:22:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 07:22:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:22:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:22:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 07:22:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 07:22:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 07:22:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 07:22:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 07:22:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 07:22:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 07:22:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 07:22:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 07:22:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 07:22:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 07:22:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 07:22:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 07:22:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 07:22:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 07:22:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 07:22:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:10,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:11,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:11,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 07:22:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:11,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 07:22:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:11,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:11,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 07:22:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:11,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 07:22:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:11,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:11,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:11,113 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2024-10-13 07:22:11,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:22:11,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194483992] [2024-10-13 07:22:11,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194483992] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:22:11,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 07:22:11,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 07:22:11,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471435126] [2024-10-13 07:22:11,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:22:11,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 07:22:11,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:22:11,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 07:22:11,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-10-13 07:22:11,116 INFO L87 Difference]: Start difference. First operand 271 states and 378 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (31), 7 states have call predecessors, (31), 2 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) [2024-10-13 07:22:13,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:22:13,760 INFO L93 Difference]: Finished difference Result 650 states and 973 transitions. [2024-10-13 07:22:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 07:22:13,761 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (31), 7 states have call predecessors, (31), 2 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) Word has length 229 [2024-10-13 07:22:13,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:22:13,768 INFO L225 Difference]: With dead ends: 650 [2024-10-13 07:22:13,768 INFO L226 Difference]: Without dead ends: 427 [2024-10-13 07:22:13,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-10-13 07:22:13,771 INFO L432 NwaCegarLoop]: 316 mSDtfsCounter, 288 mSDsluCounter, 1907 mSDsCounter, 0 mSdLazyCounter, 1823 mSolverCounterSat, 477 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 2223 SdHoareTripleChecker+Invalid, 2300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 477 IncrementalHoareTripleChecker+Valid, 1823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-13 07:22:13,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 2223 Invalid, 2300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [477 Valid, 1823 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-13 07:22:13,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-10-13 07:22:13,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 286. [2024-10-13 07:22:13,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 158 states have (on average 1.2215189873417722) internal successors, (193), 161 states have internal predecessors, (193), 101 states have call successors, (101), 23 states have call predecessors, (101), 26 states have return successors, (106), 102 states have call predecessors, (106), 100 states have call successors, (106) [2024-10-13 07:22:13,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 400 transitions. [2024-10-13 07:22:13,817 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 400 transitions. Word has length 229 [2024-10-13 07:22:13,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:22:13,817 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 400 transitions. [2024-10-13 07:22:13,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (31), 7 states have call predecessors, (31), 2 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) [2024-10-13 07:22:13,818 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 400 transitions. [2024-10-13 07:22:13,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-10-13 07:22:13,820 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:22:13,820 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-10-13 07:22:13,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 07:22:13,821 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:22:13,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:22:13,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1126371762, now seen corresponding path program 1 times [2024-10-13 07:22:13,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:22:13,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800369994] [2024-10-13 07:22:13,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:22:13,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:22:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:14,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:14,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 07:22:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:14,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 07:22:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:14,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:22:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:14,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:22:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:14,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 07:22:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:14,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:14,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:14,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 07:22:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:14,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 07:22:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:14,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 07:22:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:14,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 07:22:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:14,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 07:22:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 07:22:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 07:22:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 07:22:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 07:22:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 07:22:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 07:22:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 07:22:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 07:22:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 07:22:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 07:22:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 07:22:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 07:22:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 07:22:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 07:22:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:15,326 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2024-10-13 07:22:15,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:22:15,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800369994] [2024-10-13 07:22:15,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800369994] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:22:15,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 07:22:15,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-13 07:22:15,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298784234] [2024-10-13 07:22:15,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:22:15,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 07:22:15,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:22:15,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 07:22:15,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-10-13 07:22:15,329 INFO L87 Difference]: Start difference. First operand 286 states and 400 transitions. Second operand has 14 states, 13 states have (on average 4.461538461538462) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) [2024-10-13 07:22:18,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:22:18,658 INFO L93 Difference]: Finished difference Result 811 states and 1274 transitions. [2024-10-13 07:22:18,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-13 07:22:18,659 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.461538461538462) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) Word has length 229 [2024-10-13 07:22:18,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:22:18,664 INFO L225 Difference]: With dead ends: 811 [2024-10-13 07:22:18,665 INFO L226 Difference]: Without dead ends: 594 [2024-10-13 07:22:18,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2024-10-13 07:22:18,668 INFO L432 NwaCegarLoop]: 323 mSDtfsCounter, 534 mSDsluCounter, 2232 mSDsCounter, 0 mSdLazyCounter, 1996 mSolverCounterSat, 940 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 2555 SdHoareTripleChecker+Invalid, 2936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 940 IncrementalHoareTripleChecker+Valid, 1996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-10-13 07:22:18,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 2555 Invalid, 2936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [940 Valid, 1996 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-10-13 07:22:18,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2024-10-13 07:22:18,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 376. [2024-10-13 07:22:18,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 205 states have (on average 1.2292682926829268) internal successors, (252), 208 states have internal predecessors, (252), 143 states have call successors, (143), 24 states have call predecessors, (143), 27 states have return successors, (150), 144 states have call predecessors, (150), 142 states have call successors, (150) [2024-10-13 07:22:18,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 545 transitions. [2024-10-13 07:22:18,713 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 545 transitions. Word has length 229 [2024-10-13 07:22:18,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:22:18,714 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 545 transitions. [2024-10-13 07:22:18,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.461538461538462) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) [2024-10-13 07:22:18,714 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 545 transitions. [2024-10-13 07:22:18,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-10-13 07:22:18,717 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:22:18,717 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-10-13 07:22:18,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 07:22:18,717 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:22:18,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:22:18,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1228013520, now seen corresponding path program 1 times [2024-10-13 07:22:18,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:22:18,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686094767] [2024-10-13 07:22:18,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:22:18,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:22:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 07:22:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 07:22:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:22:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:22:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 07:22:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 07:22:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 07:22:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 07:22:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 07:22:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 07:22:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 07:22:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 07:22:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 07:22:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 07:22:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 07:22:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 07:22:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 07:22:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 07:22:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 07:22:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:21,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 07:22:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:22,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:22,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:22,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 07:22:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:22,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 07:22:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:22,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:22,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 07:22:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:22,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 07:22:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:22,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:22,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:22,140 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 9 proven. 21 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2024-10-13 07:22:22,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:22:22,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686094767] [2024-10-13 07:22:22,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686094767] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:22:22,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633871383] [2024-10-13 07:22:22,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:22:22,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:22:22,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:22:22,143 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 07:22:22,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 07:22:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:22,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 3232 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-10-13 07:22:22,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:22:23,259 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_ensure_array_list_has_allocated_data_member_~list.offset_8 Int)) (and (= |c_#memory_$Pointer$#4.base| (store |c_old(#memory_$Pointer$#4.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| (store (select |c_old(#memory_$Pointer$#4.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8 (select (select |c_#memory_$Pointer$#4.base| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8)))) (<= v_ensure_array_list_has_allocated_data_member_~list.offset_8 |c_ensure_array_list_has_allocated_data_member_#in~list.offset|) (= (store |c_old(#memory_$Pointer$#4.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| (store (select |c_old(#memory_$Pointer$#4.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8 (select (select |c_#memory_$Pointer$#4.offset| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8))) |c_#memory_$Pointer$#4.offset|))) is different from true [2024-10-13 07:22:23,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 07:22:23,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-10-13 07:22:23,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 07:22:23,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-10-13 07:22:23,671 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 211 proven. 4 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-10-13 07:22:23,671 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 07:22:24,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633871383] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:22:24,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 07:22:24,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 19 [2024-10-13 07:22:24,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20528703] [2024-10-13 07:22:24,495 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 07:22:24,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-13 07:22:24,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:22:24,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-13 07:22:24,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=523, Unknown=1, NotChecked=46, Total=650 [2024-10-13 07:22:24,498 INFO L87 Difference]: Start difference. First operand 376 states and 545 transitions. Second operand has 19 states, 17 states have (on average 6.470588235294118) internal successors, (110), 13 states have internal predecessors, (110), 7 states have call successors, (60), 9 states have call predecessors, (60), 7 states have return successors, (58), 5 states have call predecessors, (58), 7 states have call successors, (58) [2024-10-13 07:22:29,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:22:29,137 INFO L93 Difference]: Finished difference Result 1100 states and 1746 transitions. [2024-10-13 07:22:29,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-13 07:22:29,138 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 6.470588235294118) internal successors, (110), 13 states have internal predecessors, (110), 7 states have call successors, (60), 9 states have call predecessors, (60), 7 states have return successors, (58), 5 states have call predecessors, (58), 7 states have call successors, (58) Word has length 229 [2024-10-13 07:22:29,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:22:29,145 INFO L225 Difference]: With dead ends: 1100 [2024-10-13 07:22:29,145 INFO L226 Difference]: Without dead ends: 703 [2024-10-13 07:22:29,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 493 SyntacticMatches, 8 SemanticMatches, 37 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=254, Invalid=1155, Unknown=1, NotChecked=72, Total=1482 [2024-10-13 07:22:29,148 INFO L432 NwaCegarLoop]: 287 mSDtfsCounter, 676 mSDsluCounter, 1672 mSDsCounter, 0 mSdLazyCounter, 3030 mSolverCounterSat, 802 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 1959 SdHoareTripleChecker+Invalid, 4623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 802 IncrementalHoareTripleChecker+Valid, 3030 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 779 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-10-13 07:22:29,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 1959 Invalid, 4623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [802 Valid, 3030 Invalid, 12 Unknown, 779 Unchecked, 3.9s Time] [2024-10-13 07:22:29,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2024-10-13 07:22:29,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 380. [2024-10-13 07:22:29,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 208 states have (on average 1.2211538461538463) internal successors, (254), 211 states have internal predecessors, (254), 142 states have call successors, (142), 26 states have call predecessors, (142), 29 states have return successors, (149), 143 states have call predecessors, (149), 141 states have call successors, (149) [2024-10-13 07:22:29,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 545 transitions. [2024-10-13 07:22:29,198 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 545 transitions. Word has length 229 [2024-10-13 07:22:29,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:22:29,198 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 545 transitions. [2024-10-13 07:22:29,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 6.470588235294118) internal successors, (110), 13 states have internal predecessors, (110), 7 states have call successors, (60), 9 states have call predecessors, (60), 7 states have return successors, (58), 5 states have call predecessors, (58), 7 states have call successors, (58) [2024-10-13 07:22:29,199 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 545 transitions. [2024-10-13 07:22:29,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-10-13 07:22:29,202 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:22:29,202 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-10-13 07:22:29,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-13 07:22:29,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:22:29,403 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:22:29,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:22:29,404 INFO L85 PathProgramCache]: Analyzing trace with hash -60180857, now seen corresponding path program 1 times [2024-10-13 07:22:29,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:22:29,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046261891] [2024-10-13 07:22:29,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:22:29,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:22:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 07:22:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 07:22:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:22:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 07:22:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 07:22:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-13 07:22:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 07:22:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 07:22:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 07:22:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 07:22:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 07:22:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 07:22:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 07:22:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 07:22:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 07:22:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 07:22:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 07:22:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 07:22:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 07:22:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 07:22:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:30,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:31,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:31,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 07:22:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:31,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 07:22:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:31,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:31,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 07:22:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:31,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 07:22:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:31,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:22:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:31,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:22:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:31,105 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2024-10-13 07:22:31,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:22:31,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046261891] [2024-10-13 07:22:31,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046261891] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:22:31,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605064865] [2024-10-13 07:22:31,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:22:31,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:22:31,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:22:31,107 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 07:22:31,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 07:22:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:22:31,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 3271 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-10-13 07:22:31,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:22:32,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-13 07:22:32,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-10-13 07:22:33,859 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-10-13 07:22:33,860 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 07:22:33,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605064865] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:22:33,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 07:22:33,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [10] total 26 [2024-10-13 07:22:33,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740940574] [2024-10-13 07:22:33,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:22:33,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-13 07:22:33,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:22:33,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-13 07:22:33,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-10-13 07:22:33,863 INFO L87 Difference]: Start difference. First operand 380 states and 545 transitions. Second operand has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 16 states have internal predecessors, (71), 11 states have call successors, (33), 5 states have call predecessors, (33), 6 states have return successors, (31), 11 states have call predecessors, (31), 10 states have call successors, (31) [2024-10-13 07:22:37,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-13 07:22:43,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-13 07:22:48,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-13 07:22:52,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-13 07:22:56,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-10-13 07:23:00,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-13 07:23:04,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-13 07:23:08,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]