./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_copy_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 d7c0f5b67426dc3769ace794e9c8c036d37ffa3960449e6b59343c653ea0c545 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:34:36,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:34:36,573 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:34:36,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:34:36,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:34:36,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:34:36,610 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:34:36,611 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:34:36,612 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:34:36,613 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:34:36,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:34:36,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:34:36,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:34:36,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:34:36,617 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:34:36,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:34:36,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:34:36,618 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:34:36,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:34:36,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:34:36,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:34:36,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:34:36,622 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:34:36,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:34:36,622 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:34:36,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:34:36,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:34:36,623 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:34:36,623 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:34:36,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:34:36,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:34:36,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:34:36,624 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:34:36,624 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:34:36,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:34:36,624 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:34:36,624 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:34:36,625 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:34:36,625 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:34:36,626 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7c0f5b67426dc3769ace794e9c8c036d37ffa3960449e6b59343c653ea0c545 [2024-11-12 08:34:36,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:34:36,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:34:36,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:34:36,902 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:34:36,903 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:34:36,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i [2024-11-12 08:34:38,345 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:34:38,817 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:34:38,819 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i [2024-11-12 08:34:38,858 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffbeef2bc/effd62a2ba954e8a90a7152b88834963/FLAGef76d08f3 [2024-11-12 08:34:38,873 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffbeef2bc/effd62a2ba954e8a90a7152b88834963 [2024-11-12 08:34:38,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:34:38,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:34:38,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:34:38,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:34:38,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:34:38,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:34:38" (1/1) ... [2024-11-12 08:34:38,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4007c4df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:38, skipping insertion in model container [2024-11-12 08:34:38,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:34:38" (1/1) ... [2024-11-12 08:34:38,982 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:34:39,240 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_copy_harness.i[4493,4506] [2024-11-12 08:34:39,249 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_copy_harness.i[4553,4566] [2024-11-12 08:34:39,939 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:39,939 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:39,940 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:39,942 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:39,944 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:39,958 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:39,959 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:39,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:39,965 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:39,966 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:39,967 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:39,971 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:39,972 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,463 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,464 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,474 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,481 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:34:40,662 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:34:40,683 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_copy_harness.i[4493,4506] [2024-11-12 08:34:40,684 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_copy_harness.i[4553,4566] [2024-11-12 08:34:40,774 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,775 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,775 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,775 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,776 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,783 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,784 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,785 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,785 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,786 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,787 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,788 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,788 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,887 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,891 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,893 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,901 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:34:40,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7775-7786] [2024-11-12 08:34:40,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:34:41,175 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:34:41,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:41 WrapperNode [2024-11-12 08:34:41,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:34:41,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:34:41,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:34:41,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:34:41,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:41" (1/1) ... [2024-11-12 08:34:41,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:41" (1/1) ... [2024-11-12 08:34:41,349 INFO L138 Inliner]: procedures = 680, calls = 1678, calls flagged for inlining = 52, calls inlined = 7, statements flattened = 718 [2024-11-12 08:34:41,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:34:41,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:34:41,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:34:41,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:34:41,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:41" (1/1) ... [2024-11-12 08:34:41,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:41" (1/1) ... [2024-11-12 08:34:41,385 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:41" (1/1) ... [2024-11-12 08:34:41,488 INFO L175 MemorySlicer]: Split 313 memory accesses to 5 slices as follows [238, 2, 57, 7, 9]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 10, 5, 1]. The 241 writes are split as follows [232, 0, 7, 1, 1]. [2024-11-12 08:34:41,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:41" (1/1) ... [2024-11-12 08:34:41,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:41" (1/1) ... [2024-11-12 08:34:41,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:41" (1/1) ... [2024-11-12 08:34:41,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:41" (1/1) ... [2024-11-12 08:34:41,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:41" (1/1) ... [2024-11-12 08:34:41,543 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:41" (1/1) ... [2024-11-12 08:34:41,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:34:41,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:34:41,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:34:41,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:34:41,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:41" (1/1) ... [2024-11-12 08:34:41,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:34:41,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:34:41,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 08:34:41,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 08:34:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:34:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-12 08:34:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-12 08:34:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-12 08:34:41,668 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-12 08:34:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:34:41,668 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:34:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-12 08:34:41,668 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-12 08:34:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:34:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:34:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:34:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:34:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:34:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:34:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:34:41,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:34:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:34:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:34:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-12 08:34:41,671 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-12 08:34:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:34:41,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:34:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:34:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:34:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:34:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:34:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:34:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:34:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:34:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-12 08:34:41,673 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-12 08:34:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:34:41,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:34:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:34:41,673 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:34:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-12 08:34:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-12 08:34:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:34:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:34:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:34:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:34:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:34:41,676 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-12 08:34:41,676 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-12 08:34:41,676 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-12 08:34:41,676 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-12 08:34:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:34:41,677 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:34:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-12 08:34:41,677 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-12 08:34:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-12 08:34:41,677 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-12 08:34:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:34:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:34:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:34:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:34:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:34:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:34:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:34:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:34:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:34:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:34:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:34:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:34:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:34:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-12 08:34:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-12 08:34:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:34:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:34:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:34:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:34:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:34:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-12 08:34:41,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-12 08:34:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:34:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:34:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:34:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:34:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:34:42,068 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:34:42,070 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:34:48,655 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-12 08:34:48,655 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:34:48,687 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:34:48,688 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 08:34:48,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:34:48 BoogieIcfgContainer [2024-11-12 08:34:48,688 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:34:48,698 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:34:48,698 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:34:48,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:34:48,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:34:38" (1/3) ... [2024-11-12 08:34:48,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c43d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:34:48, skipping insertion in model container [2024-11-12 08:34:48,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:34:41" (2/3) ... [2024-11-12 08:34:48,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c43d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:34:48, skipping insertion in model container [2024-11-12 08:34:48,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:34:48" (3/3) ... [2024-11-12 08:34:48,706 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_copy_harness.i [2024-11-12 08:34:48,725 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:34:48,725 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:34:48,803 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:34:48,812 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;@466d56e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:34:48,813 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:34:48,818 INFO L276 IsEmpty]: Start isEmpty. Operand has 209 states, 119 states have (on average 1.184873949579832) internal successors, (141), 120 states have internal predecessors, (141), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-12 08:34:48,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-12 08:34:48,836 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:34:48,838 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 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] [2024-11-12 08:34:48,839 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:34:48,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:34:48,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1329126664, now seen corresponding path program 1 times [2024-11-12 08:34:48,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:34:48,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542326906] [2024-11-12 08:34:48,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:34:48,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:34:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:34:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 08:34:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:34:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:34:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:34:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 08:34:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 08:34:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 08:34:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 08:34:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 08:34:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:34:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:34:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 08:34:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 08:34:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 08:34:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-12 08:34:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:34:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 08:34:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 08:34:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 08:34:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 08:34:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:56,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-12 08:34:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:57,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-12 08:34:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:57,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:34:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:57,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 08:34:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:57,242 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-11-12 08:34:57,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:34:57,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542326906] [2024-11-12 08:34:57,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542326906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:34:57,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:34:57,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 08:34:57,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130180925] [2024-11-12 08:34:57,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:34:57,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 08:34:57,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:34:57,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 08:34:57,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 08:34:57,279 INFO L87 Difference]: Start difference. First operand has 209 states, 119 states have (on average 1.184873949579832) internal successors, (141), 120 states have internal predecessors, (141), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-12 08:35:01,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:35:05,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.54s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:35:10,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:35:17,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:35:17,582 INFO L93 Difference]: Finished difference Result 442 states and 648 transitions. [2024-11-12 08:35:17,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 08:35:17,585 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 145 [2024-11-12 08:35:17,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:35:17,599 INFO L225 Difference]: With dead ends: 442 [2024-11-12 08:35:17,599 INFO L226 Difference]: Without dead ends: 232 [2024-11-12 08:35:17,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 08:35:17,607 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 215 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 272 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2024-11-12 08:35:17,608 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 238 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 334 Invalid, 3 Unknown, 0 Unchecked, 19.2s Time] [2024-11-12 08:35:17,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-12 08:35:17,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 204. [2024-11-12 08:35:17,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 115 states have (on average 1.173913043478261) internal successors, (135), 116 states have internal predecessors, (135), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-12 08:35:17,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2024-11-12 08:35:17,703 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 145 [2024-11-12 08:35:17,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:35:17,704 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2024-11-12 08:35:17,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-12 08:35:17,705 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2024-11-12 08:35:17,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-12 08:35:17,714 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:35:17,714 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 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] [2024-11-12 08:35:17,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 08:35:17,715 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:35:17,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:35:17,716 INFO L85 PathProgramCache]: Analyzing trace with hash -433130932, now seen corresponding path program 1 times [2024-11-12 08:35:17,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:35:17,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812283432] [2024-11-12 08:35:17,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:35:17,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:35:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:24,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:35:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:24,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 08:35:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:24,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:35:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:35:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:35:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 08:35:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 08:35:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 08:35:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 08:35:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 08:35:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:35:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:35:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 08:35:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 08:35:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 08:35:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-12 08:35:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:35:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 08:35:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 08:35:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 08:35:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 08:35:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-12 08:35:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-12 08:35:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:35:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 08:35:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:25,927 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-12 08:35:25,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:35:25,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812283432] [2024-11-12 08:35:25,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812283432] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:35:25,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751965396] [2024-11-12 08:35:25,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:35:25,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:35:25,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:35:25,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 08:35:25,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 08:35:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:32,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 4363 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 08:35:32,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 08:35:32,347 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-12 08:35:32,348 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 08:35:32,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751965396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:35:32,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 08:35:32,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2024-11-12 08:35:32,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982249034] [2024-11-12 08:35:32,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:35:32,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 08:35:32,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:35:32,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 08:35:32,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 08:35:32,352 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-12 08:35:32,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:35:32,485 INFO L93 Difference]: Finished difference Result 403 states and 547 transitions. [2024-11-12 08:35:32,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 08:35:32,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 145 [2024-11-12 08:35:32,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:35:32,491 INFO L225 Difference]: With dead ends: 403 [2024-11-12 08:35:32,491 INFO L226 Difference]: Without dead ends: 205 [2024-11-12 08:35:32,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 08:35:32,494 INFO L435 NwaCegarLoop]: 275 mSDtfsCounter, 0 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 08:35:32,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 546 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 08:35:32,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-12 08:35:32,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2024-11-12 08:35:32,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 116 states have (on average 1.1724137931034482) internal successors, (136), 117 states have internal predecessors, (136), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-12 08:35:32,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 277 transitions. [2024-11-12 08:35:32,528 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 277 transitions. Word has length 145 [2024-11-12 08:35:32,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:35:32,529 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 277 transitions. [2024-11-12 08:35:32,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-12 08:35:32,529 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 277 transitions. [2024-11-12 08:35:32,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-12 08:35:32,535 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:35:32,535 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 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] [2024-11-12 08:35:32,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 08:35:32,736 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 [2024-11-12 08:35:32,736 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:35:32,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:35:32,737 INFO L85 PathProgramCache]: Analyzing trace with hash 995250632, now seen corresponding path program 1 times [2024-11-12 08:35:32,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:35:32,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272760158] [2024-11-12 08:35:32,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:35:32,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:35:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:38,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:35:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:38,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 08:35:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:38,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:35:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:38,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:35:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:38,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:35:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:38,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 08:35:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:39,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 08:35:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:39,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 08:35:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:39,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 08:35:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:39,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 08:35:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:39,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:35:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:39,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:35:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:39,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 08:35:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:39,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 08:35:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:39,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 08:35:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:39,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-12 08:35:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:39,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:35:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:39,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 08:35:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:39,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 08:35:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:39,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 08:35:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:39,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 08:35:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:39,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-12 08:35:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:39,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-12 08:35:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:39,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:35:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:39,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 08:35:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:39,960 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2024-11-12 08:35:39,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:35:39,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272760158] [2024-11-12 08:35:39,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272760158] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:35:39,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273593328] [2024-11-12 08:35:39,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:35:39,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:35:39,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:35:39,966 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 08:35:39,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 08:35:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:45,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 4369 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 08:35:45,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 08:35:46,651 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-12 08:35:46,651 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 08:35:46,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273593328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:35:46,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 08:35:46,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-12 08:35:46,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963882583] [2024-11-12 08:35:46,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:35:46,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 08:35:46,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:35:46,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 08:35:46,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-12 08:35:46,654 INFO L87 Difference]: Start difference. First operand 205 states and 277 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-12 08:35:50,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:35:50,639 INFO L93 Difference]: Finished difference Result 405 states and 558 transitions. [2024-11-12 08:35:50,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 08:35:50,639 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 145 [2024-11-12 08:35:50,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:35:50,643 INFO L225 Difference]: With dead ends: 405 [2024-11-12 08:35:50,643 INFO L226 Difference]: Without dead ends: 207 [2024-11-12 08:35:50,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-12 08:35:50,648 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 282 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-12 08:35:50,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 779 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-12 08:35:50,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-12 08:35:50,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-12 08:35:50,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 117 states have (on average 1.170940170940171) internal successors, (137), 119 states have internal predecessors, (137), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (82), 70 states have call predecessors, (82), 70 states have call successors, (82) [2024-11-12 08:35:50,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 290 transitions. [2024-11-12 08:35:50,683 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 290 transitions. Word has length 145 [2024-11-12 08:35:50,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:35:50,683 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 290 transitions. [2024-11-12 08:35:50,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-12 08:35:50,684 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 290 transitions. [2024-11-12 08:35:50,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 08:35:50,688 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:35:50,688 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 4, 2, 2, 2, 2, 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] [2024-11-12 08:35:50,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 08:35:50,893 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 [2024-11-12 08:35:50,893 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:35:50,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:35:50,894 INFO L85 PathProgramCache]: Analyzing trace with hash -139108393, now seen corresponding path program 1 times [2024-11-12 08:35:50,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:35:50,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374458998] [2024-11-12 08:35:50,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:35:50,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:35:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:55,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:35:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:55,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 08:35:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:56,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:35:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:56,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:35:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:56,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:35:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:56,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 08:35:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:35:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:35:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:35:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 08:35:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 08:35:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 08:35:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:35:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:35:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 08:35:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 08:35:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 08:35:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 08:35:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 08:35:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 08:35:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 08:35:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 08:35:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 08:35:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 08:35:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 08:35:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:35:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 08:35:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:35:57,710 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-12 08:35:57,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:35:57,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374458998] [2024-11-12 08:35:57,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374458998] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:35:57,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657494400] [2024-11-12 08:35:57,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:35:57,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:35:57,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:35:57,714 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 08:35:57,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 08:36:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:36:03,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 4496 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 08:36:03,110 INFO L279 TraceCheckSpWp]: Computing forward predicates...