./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_get_at_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 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_get_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 077859a827b9835fc70ffe4bef1d8360e024e130f860bf1f8321474f6266da95 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 09:52:02,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 09:52:02,538 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 09:52:02,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 09:52:02,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 09:52:02,584 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 09:52:02,585 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 09:52:02,585 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 09:52:02,586 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 09:52:02,589 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 09:52:02,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 09:52:02,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 09:52:02,611 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 09:52:02,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 09:52:02,613 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 09:52:02,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 09:52:02,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 09:52:02,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 09:52:02,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 09:52:02,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 09:52:02,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 09:52:02,619 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 09:52:02,619 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 09:52:02,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 09:52:02,620 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 09:52:02,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 09:52:02,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 09:52:02,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 09:52:02,621 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 09:52:02,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:52:02,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 09:52:02,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 09:52:02,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 09:52:02,622 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 09:52:02,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 09:52:02,623 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 09:52:02,623 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 09:52:02,623 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 09:52:02,623 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 09:52:02,624 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 077859a827b9835fc70ffe4bef1d8360e024e130f860bf1f8321474f6266da95 [2024-11-20 09:52:02,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 09:52:02,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 09:52:02,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 09:52:02,970 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 09:52:02,971 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 09:52:02,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2024-11-20 09:52:04,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 09:52:05,102 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 09:52:05,103 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2024-11-20 09:52:05,150 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e31972582/63263ce4d8964c1bae4e531c3ff53a83/FLAG48a87b96b [2024-11-20 09:52:05,187 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e31972582/63263ce4d8964c1bae4e531c3ff53a83 [2024-11-20 09:52:05,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 09:52:05,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 09:52:05,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 09:52:05,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 09:52:05,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 09:52:05,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:52:05" (1/1) ... [2024-11-20 09:52:05,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7090ffd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:52:05, skipping insertion in model container [2024-11-20 09:52:05,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:52:05" (1/1) ... [2024-11-20 09:52:05,310 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 09:52:05,664 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4495,4508] [2024-11-20 09:52:05,675 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4555,4568] [2024-11-20 09:52:07,179 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,180 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,180 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,182 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,183 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,199 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,200 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,202 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,202 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,205 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,206 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,206 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,206 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,743 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,753 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,838 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,841 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:52:07,887 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 09:52:07,902 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4495,4508] [2024-11-20 09:52:07,903 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4555,4568] [2024-11-20 09:52:07,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,971 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,971 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,971 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,972 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,979 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,979 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,980 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,981 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,982 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,982 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,983 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:07,983 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:08,212 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:08,220 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:08,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7769-7780] [2024-11-20 09:52:08,260 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:08,263 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:52:08,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:52:08,477 INFO L204 MainTranslator]: Completed translation [2024-11-20 09:52:08,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:52:08 WrapperNode [2024-11-20 09:52:08,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 09:52:08,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 09:52:08,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 09:52:08,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 09:52:08,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:52:08" (1/1) ... [2024-11-20 09:52:08,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:52:08" (1/1) ... [2024-11-20 09:52:08,674 INFO L138 Inliner]: procedures = 680, calls = 1679, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 656 [2024-11-20 09:52:08,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 09:52:08,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 09:52:08,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 09:52:08,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 09:52:08,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:52:08" (1/1) ... [2024-11-20 09:52:08,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:52:08" (1/1) ... [2024-11-20 09:52:08,703 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:52:08" (1/1) ... [2024-11-20 09:52:08,786 INFO L175 MemorySlicer]: Split 313 memory accesses to 6 slices as follows [238, 2, 9, 3, 55, 6]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 5, 1, 10, 0]. The 239 writes are split as follows [232, 0, 1, 1, 3, 2]. [2024-11-20 09:52:08,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:52:08" (1/1) ... [2024-11-20 09:52:08,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:52:08" (1/1) ... [2024-11-20 09:52:08,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:52:08" (1/1) ... [2024-11-20 09:52:08,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:52:08" (1/1) ... [2024-11-20 09:52:08,850 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:52:08" (1/1) ... [2024-11-20 09:52:08,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:52:08" (1/1) ... [2024-11-20 09:52:08,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 09:52:08,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 09:52:08,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 09:52:08,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 09:52:08,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:52:08" (1/1) ... [2024-11-20 09:52:08,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:52:08,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:52:08,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 09:52:08,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 09:52:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 09:52:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-20 09:52:08,982 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-20 09:52:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-20 09:52:08,983 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-20 09:52:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 09:52:08,984 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 09:52:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 09:52:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 09:52:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 09:52:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 09:52:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 09:52:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 09:52:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 09:52:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 09:52:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 09:52:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 09:52:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 09:52:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 09:52:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-20 09:52:08,986 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-20 09:52:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 09:52:08,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 09:52:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 09:52:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 09:52:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 09:52:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 09:52:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 09:52:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 09:52:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 09:52:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 09:52:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-20 09:52:08,989 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-20 09:52:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 09:52:08,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 09:52:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 09:52:08,989 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 09:52:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-20 09:52:08,989 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-20 09:52:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-20 09:52:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-20 09:52:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-20 09:52:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-20 09:52:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 09:52:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 09:52:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 09:52:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 09:52:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 09:52:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 09:52:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-20 09:52:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-20 09:52:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-20 09:52:08,992 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-20 09:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 09:52:08,992 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 09:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-20 09:52:08,992 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-20 09:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 09:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 09:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 09:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 09:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 09:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 09:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 09:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 09:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 09:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 09:52:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 09:52:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 09:52:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 09:52:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 09:52:08,993 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 09:52:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-20 09:52:08,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-20 09:52:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 09:52:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 09:52:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 09:52:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 09:52:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 09:52:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 09:52:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-20 09:52:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-20 09:52:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 09:52:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 09:52:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 09:52:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 09:52:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 09:52:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 09:52:09,349 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 09:52:09,353 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 09:52:15,904 INFO L? ?]: Removed 128 outVars from TransFormulas that were not future-live. [2024-11-20 09:52:15,905 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 09:52:15,919 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 09:52:15,919 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 09:52:15,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:52:15 BoogieIcfgContainer [2024-11-20 09:52:15,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 09:52:15,923 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 09:52:15,923 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 09:52:15,926 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 09:52:15,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:52:05" (1/3) ... [2024-11-20 09:52:15,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0d97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:52:15, skipping insertion in model container [2024-11-20 09:52:15,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:52:08" (2/3) ... [2024-11-20 09:52:15,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0d97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:52:15, skipping insertion in model container [2024-11-20 09:52:15,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:52:15" (3/3) ... [2024-11-20 09:52:15,930 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_get_at_harness.i [2024-11-20 09:52:15,945 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 09:52:15,946 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 09:52:16,020 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 09:52:16,027 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;@2bde4d3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 09:52:16,027 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 09:52:16,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 186 states, 112 states have (on average 1.2053571428571428) internal successors, (135), 113 states have internal predecessors, (135), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-20 09:52:16,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-20 09:52:16,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:52:16,046 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 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] [2024-11-20 09:52:16,046 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:52:16,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:52:16,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1431118103, now seen corresponding path program 1 times [2024-11-20 09:52:16,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:52:16,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78672507] [2024-11-20 09:52:16,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:52:16,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:52:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:22,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:52:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:22,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 09:52:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:22,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 09:52:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:22,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:52:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:22,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:52:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:23,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:52:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:23,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 09:52:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:23,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 09:52:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:23,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 09:52:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:23,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 09:52:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:23,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:52:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:23,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 09:52:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:23,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 09:52:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:23,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 09:52:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:23,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 09:52:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:23,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 09:52:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:23,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 09:52:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:23,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 09:52:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:23,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 09:52:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:23,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 09:52:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:23,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:52:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:23,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:52:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:23,401 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2024-11-20 09:52:23,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:52:23,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78672507] [2024-11-20 09:52:23,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78672507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:52:23,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:52:23,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 09:52:23,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696617222] [2024-11-20 09:52:23,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:52:23,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 09:52:23,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:52:23,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 09:52:23,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 09:52:23,447 INFO L87 Difference]: Start difference. First operand has 186 states, 112 states have (on average 1.2053571428571428) internal successors, (135), 113 states have internal predecessors, (135), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 09:52:27,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 09:52:31,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 09:52:36,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 09:52:41,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:52:41,098 INFO L93 Difference]: Finished difference Result 386 states and 553 transitions. [2024-11-20 09:52:41,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 09:52:41,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 134 [2024-11-20 09:52:41,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:52:41,113 INFO L225 Difference]: With dead ends: 386 [2024-11-20 09:52:41,113 INFO L226 Difference]: Without dead ends: 198 [2024-11-20 09:52:41,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-20 09:52:41,127 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 134 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 149 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2024-11-20 09:52:41,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 261 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 231 Invalid, 3 Unknown, 0 Unchecked, 17.0s Time] [2024-11-20 09:52:41,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-20 09:52:41,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 177. [2024-11-20 09:52:41,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 105 states have (on average 1.161904761904762) internal successors, (122), 106 states have internal predecessors, (122), 55 states have call successors, (55), 17 states have call predecessors, (55), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-20 09:52:41,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 230 transitions. [2024-11-20 09:52:41,215 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 230 transitions. Word has length 134 [2024-11-20 09:52:41,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:52:41,215 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 230 transitions. [2024-11-20 09:52:41,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 09:52:41,216 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 230 transitions. [2024-11-20 09:52:41,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-20 09:52:41,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:52:41,220 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 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] [2024-11-20 09:52:41,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 09:52:41,220 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:52:41,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:52:41,221 INFO L85 PathProgramCache]: Analyzing trace with hash 143965157, now seen corresponding path program 1 times [2024-11-20 09:52:41,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:52:41,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127098962] [2024-11-20 09:52:41,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:52:41,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:52:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:46,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:52:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:46,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 09:52:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:47,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 09:52:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:47,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:52:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:47,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:52:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:47,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:52:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:48,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 09:52:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:48,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 09:52:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:48,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 09:52:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:48,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 09:52:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:48,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:52:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:48,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 09:52:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:48,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 09:52:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:48,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 09:52:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:48,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 09:52:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:48,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 09:52:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:48,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 09:52:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:48,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 09:52:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:48,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 09:52:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:48,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 09:52:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:48,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:52:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:48,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:52:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:48,626 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-20 09:52:48,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:52:48,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127098962] [2024-11-20 09:52:48,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127098962] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 09:52:48,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288454556] [2024-11-20 09:52:48,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:52:48,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 09:52:48,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:52:48,631 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 09:52:48,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 09:52:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:52:53,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 4275 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 09:52:53,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 09:52:55,054 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-11-20 09:52:55,055 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 09:52:55,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288454556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:52:55,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 09:52:55,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-20 09:52:55,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107610942] [2024-11-20 09:52:55,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:52:55,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 09:52:55,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:52:55,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 09:52:55,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-20 09:52:55,061 INFO L87 Difference]: Start difference. First operand 177 states and 230 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-20 09:52:58,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:52:58,257 INFO L93 Difference]: Finished difference Result 327 states and 431 transitions. [2024-11-20 09:52:58,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 09:52:58,259 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 134 [2024-11-20 09:52:58,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:52:58,265 INFO L225 Difference]: With dead ends: 327 [2024-11-20 09:52:58,265 INFO L226 Difference]: Without dead ends: 179 [2024-11-20 09:52:58,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-20 09:52:58,268 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 242 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-20 09:52:58,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 658 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-20 09:52:58,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-20 09:52:58,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-20 09:52:58,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 106 states have (on average 1.1603773584905661) internal successors, (123), 108 states have internal predecessors, (123), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (58), 53 states have call predecessors, (58), 53 states have call successors, (58) [2024-11-20 09:52:58,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 236 transitions. [2024-11-20 09:52:58,315 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 236 transitions. Word has length 134 [2024-11-20 09:52:58,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:52:58,316 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 236 transitions. [2024-11-20 09:52:58,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-20 09:52:58,317 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 236 transitions. [2024-11-20 09:52:58,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-20 09:52:58,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:52:58,320 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 09:52:58,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 09:52:58,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 09:52:58,521 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:52:58,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:52:58,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1011624823, now seen corresponding path program 1 times [2024-11-20 09:52:58,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:52:58,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218093783] [2024-11-20 09:52:58,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:52:58,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:53:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:04,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:53:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:04,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 09:53:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:05,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 09:53:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:05,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:53:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:05,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:53:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:05,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:53:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:06,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:53:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:06,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:53:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:06,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 09:53:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:06,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 09:53:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:06,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 09:53:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:06,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 09:53:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:06,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:53:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:06,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:53:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:06,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 09:53:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:06,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:53:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:06,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:53:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:06,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 09:53:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:06,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 09:53:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:06,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 09:53:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:07,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 09:53:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:07,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 09:53:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:07,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 09:53:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:07,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 09:53:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:07,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 09:53:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:07,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 09:53:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-20 09:53:07,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:53:07,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218093783] [2024-11-20 09:53:07,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218093783] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 09:53:07,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87018620] [2024-11-20 09:53:07,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:53:07,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 09:53:07,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:53:07,353 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 09:53:07,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 09:53:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:53:12,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 4529 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 09:53:12,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 09:53:14,606 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 09:53:14,606 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 09:53:14,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87018620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:53:14,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 09:53:14,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-20 09:53:14,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622234815] [2024-11-20 09:53:14,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:53:14,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 09:53:14,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:53:14,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 09:53:14,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-20 09:53:14,609 INFO L87 Difference]: Start difference. First operand 179 states and 236 transitions. Second operand has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-20 09:53:18,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:53:18,729 INFO L93 Difference]: Finished difference Result 287 states and 378 transitions. [2024-11-20 09:53:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 09:53:18,730 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 164 [2024-11-20 09:53:18,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:53:18,733 INFO L225 Difference]: With dead ends: 287 [2024-11-20 09:53:18,733 INFO L226 Difference]: Without dead ends: 179 [2024-11-20 09:53:18,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-11-20 09:53:18,735 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 243 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-20 09:53:18,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 819 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-20 09:53:18,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-20 09:53:18,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-20 09:53:18,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 106 states have (on average 1.1603773584905661) internal successors, (123), 108 states have internal predecessors, (123), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 53 states have call predecessors, (55), 53 states have call successors, (55) [2024-11-20 09:53:18,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 233 transitions. [2024-11-20 09:53:18,757 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 233 transitions. Word has length 164 [2024-11-20 09:53:18,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:53:18,758 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 233 transitions. [2024-11-20 09:53:18,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-20 09:53:18,758 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 233 transitions. [2024-11-20 09:53:18,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-20 09:53:18,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:53:18,761 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-20 09:53:18,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 09:53:18,961 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,SelfDestructingSolverStorable2 [2024-11-20 09:53:18,962 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:53:18,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:53:18,963 INFO L85 PathProgramCache]: Analyzing trace with hash 39476137, now seen corresponding path program 2 times [2024-11-20 09:53:18,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:53:18,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309537932] [2024-11-20 09:53:18,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:53:18,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:53:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat