./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_byte_buf_append_with_lookup_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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_byte_buf_append_with_lookup_harness_negated.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 49bf9fd75d56d44e7e1e54aefea9fad1d2b78cb24b15e9eb5cce5de020ddf3d7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 12:45:51,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 12:45:51,367 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 12:45:51,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 12:45:51,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 12:45:51,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 12:45:51,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 12:45:51,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 12:45:51,399 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 12:45:51,399 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 12:45:51,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 12:45:51,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 12:45:51,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 12:45:51,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 12:45:51,401 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 12:45:51,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 12:45:51,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 12:45:51,402 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 12:45:51,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 12:45:51,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 12:45:51,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 12:45:51,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 12:45:51,408 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 12:45:51,408 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 12:45:51,409 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 12:45:51,409 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 12:45:51,409 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 12:45:51,409 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 12:45:51,410 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 12:45:51,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 12:45:51,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 12:45:51,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 12:45:51,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 12:45:51,412 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 12:45:51,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 12:45:51,412 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 12:45:51,412 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 12:45:51,413 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 12:45:51,413 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 12:45:51,413 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49bf9fd75d56d44e7e1e54aefea9fad1d2b78cb24b15e9eb5cce5de020ddf3d7 [2024-10-24 12:45:51,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 12:45:51,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 12:45:51,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 12:45:51,693 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 12:45:51,693 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 12:45:51,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i [2024-10-24 12:45:53,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 12:45:53,568 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 12:45:53,570 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i [2024-10-24 12:45:53,614 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/503ebc140/d3be8aaf54994f6fbd02a7235ed3eebf/FLAGa13101974 [2024-10-24 12:45:53,713 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/503ebc140/d3be8aaf54994f6fbd02a7235ed3eebf [2024-10-24 12:45:53,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 12:45:53,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 12:45:53,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 12:45:53,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 12:45:53,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 12:45:53,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:45:53" (1/1) ... [2024-10-24 12:45:53,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a1ce0e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:45:53, skipping insertion in model container [2024-10-24 12:45:53,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:45:53" (1/1) ... [2024-10-24 12:45:53,846 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 12:45:54,193 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i[4505,4518] [2024-10-24 12:45:54,200 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i[4565,4578] [2024-10-24 12:45:54,913 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:54,916 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:54,919 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:54,920 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:54,921 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:54,938 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:54,939 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:54,940 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:54,941 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:55,351 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:55,351 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:55,421 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:55,422 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:55,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 12:45:55,548 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 12:45:55,567 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i[4505,4518] [2024-10-24 12:45:55,572 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i[4565,4578] [2024-10-24 12:45:55,624 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:55,626 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:55,630 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:55,631 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:55,631 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:55,636 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:55,637 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:55,638 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:55,638 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:55,710 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:55,710 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:55,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8265] [2024-10-24 12:45:55,825 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:55,826 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:45:55,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8751-8762] [2024-10-24 12:45:55,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 12:45:56,115 INFO L204 MainTranslator]: Completed translation [2024-10-24 12:45:56,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:45:56 WrapperNode [2024-10-24 12:45:56,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 12:45:56,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 12:45:56,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 12:45:56,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 12:45:56,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:45:56" (1/1) ... [2024-10-24 12:45:56,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:45:56" (1/1) ... [2024-10-24 12:45:56,352 INFO L138 Inliner]: procedures = 680, calls = 2634, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 969 [2024-10-24 12:45:56,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 12:45:56,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 12:45:56,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 12:45:56,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 12:45:56,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:45:56" (1/1) ... [2024-10-24 12:45:56,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:45:56" (1/1) ... [2024-10-24 12:45:56,393 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:45:56" (1/1) ... [2024-10-24 12:45:56,463 INFO L175 MemorySlicer]: Split 569 memory accesses to 9 slices as follows [9, 256, 2, 236, 32, 9, 1, 20, 4]. 45 percent of accesses are in the largest equivalence class. The 511 initializations are split as follows [5, 256, 2, 236, 4, 4, 0, 2, 2]. The 5 writes are split as follows [1, 0, 0, 0, 3, 0, 0, 1, 0]. [2024-10-24 12:45:56,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:45:56" (1/1) ... [2024-10-24 12:45:56,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:45:56" (1/1) ... [2024-10-24 12:45:56,510 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:45:56" (1/1) ... [2024-10-24 12:45:56,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:45:56" (1/1) ... [2024-10-24 12:45:56,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:45:56" (1/1) ... [2024-10-24 12:45:56,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:45:56" (1/1) ... [2024-10-24 12:45:56,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 12:45:56,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 12:45:56,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 12:45:56,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 12:45:56,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:45:56" (1/1) ... [2024-10-24 12:45:56,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 12:45:56,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:45:56,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 12:45:56,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 12:45:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-10-24 12:45:56,660 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-10-24 12:45:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-10-24 12:45:56,661 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-10-24 12:45:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 12:45:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-24 12:45:56,662 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-24 12:45:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 12:45:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 12:45:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 12:45:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 12:45:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 12:45:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 12:45:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 12:45:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 12:45:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 12:45:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-24 12:45:56,663 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-24 12:45:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 12:45:56,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 12:45:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 12:45:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 12:45:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 12:45:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 12:45:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 12:45:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 12:45:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 12:45:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 12:45:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 12:45:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 12:45:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 12:45:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 12:45:56,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 12:45:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-24 12:45:56,666 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-24 12:45:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 12:45:56,666 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 12:45:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 12:45:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-10-24 12:45:56,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-10-24 12:45:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 12:45:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 12:45:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 12:45:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 12:45:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 12:45:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 12:45:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 12:45:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 12:45:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 12:45:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 12:45:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 12:45:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 12:45:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 12:45:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 12:45:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 12:45:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 12:45:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 12:45:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 12:45:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-24 12:45:56,670 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-24 12:45:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-10-24 12:45:56,670 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-10-24 12:45:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-10-24 12:45:56,670 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-10-24 12:45:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-10-24 12:45:56,670 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-10-24 12:45:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 12:45:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 12:45:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 12:45:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 12:45:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 12:45:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 12:45:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 12:45:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 12:45:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 12:45:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 12:45:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 12:45:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 12:45:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 12:45:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 12:45:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 12:45:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 12:45:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 12:45:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 12:45:57,030 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 12:45:57,033 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 12:45:58,138 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-10-24 12:45:58,139 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 12:45:58,295 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 12:45:58,297 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 12:45:58,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:45:58 BoogieIcfgContainer [2024-10-24 12:45:58,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 12:45:58,300 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 12:45:58,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 12:45:58,304 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 12:45:58,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:45:53" (1/3) ... [2024-10-24 12:45:58,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121bcf16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:45:58, skipping insertion in model container [2024-10-24 12:45:58,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:45:56" (2/3) ... [2024-10-24 12:45:58,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121bcf16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:45:58, skipping insertion in model container [2024-10-24 12:45:58,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:45:58" (3/3) ... [2024-10-24 12:45:58,308 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_with_lookup_harness_negated.i [2024-10-24 12:45:58,326 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 12:45:58,326 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 12:45:58,402 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 12:45:58,410 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;@5f0abd92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 12:45:58,411 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 12:45:58,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 87 states have (on average 1.2758620689655173) internal successors, (111), 88 states have internal predecessors, (111), 44 states have call successors, (44), 12 states have call predecessors, (44), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-24 12:45:58,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 12:45:58,429 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:45:58,430 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 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] [2024-10-24 12:45:58,431 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:45:58,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:45:58,439 INFO L85 PathProgramCache]: Analyzing trace with hash 861552724, now seen corresponding path program 1 times [2024-10-24 12:45:58,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:45:58,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001290815] [2024-10-24 12:45:58,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:45:58,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:45:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:59,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:45:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:59,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 12:45:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:59,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 12:45:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:59,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:45:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:59,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 12:45:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:59,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 12:45:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:59,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 12:45:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:59,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 12:45:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:59,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 12:45:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:59,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 12:45:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:59,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 12:45:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:59,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 12:45:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:59,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 12:45:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:59,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 12:45:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:59,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 12:45:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:59,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 12:45:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:59,404 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-10-24 12:45:59,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:45:59,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001290815] [2024-10-24 12:45:59,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001290815] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:45:59,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 12:45:59,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 12:45:59,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31883637] [2024-10-24 12:45:59,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:45:59,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 12:45:59,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:45:59,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 12:45:59,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 12:45:59,440 INFO L87 Difference]: Start difference. First operand has 145 states, 87 states have (on average 1.2758620689655173) internal successors, (111), 88 states have internal predecessors, (111), 44 states have call successors, (44), 12 states have call predecessors, (44), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-24 12:46:00,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:46:00,021 INFO L93 Difference]: Finished difference Result 288 states and 421 transitions. [2024-10-24 12:46:00,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 12:46:00,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 93 [2024-10-24 12:46:00,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:46:00,031 INFO L225 Difference]: With dead ends: 288 [2024-10-24 12:46:00,031 INFO L226 Difference]: Without dead ends: 143 [2024-10-24 12:46:00,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 12:46:00,039 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 70 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 12:46:00,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 151 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 12:46:00,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-10-24 12:46:00,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-10-24 12:46:00,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 86 states have (on average 1.244186046511628) internal successors, (107), 87 states have internal predecessors, (107), 44 states have call successors, (44), 12 states have call predecessors, (44), 12 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-10-24 12:46:00,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 194 transitions. [2024-10-24 12:46:00,102 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 194 transitions. Word has length 93 [2024-10-24 12:46:00,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:46:00,102 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 194 transitions. [2024-10-24 12:46:00,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-24 12:46:00,103 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 194 transitions. [2024-10-24 12:46:00,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 12:46:00,107 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:46:00,107 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 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] [2024-10-24 12:46:00,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 12:46:00,108 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:46:00,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:46:00,108 INFO L85 PathProgramCache]: Analyzing trace with hash -2028968884, now seen corresponding path program 1 times [2024-10-24 12:46:00,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:46:00,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153748952] [2024-10-24 12:46:00,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:46:00,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:46:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:00,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:46:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:00,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 12:46:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:00,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 12:46:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:00,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:46:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:00,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 12:46:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:00,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 12:46:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:00,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 12:46:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:00,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 12:46:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:00,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 12:46:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:00,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 12:46:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:00,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 12:46:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:00,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 12:46:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:00,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 12:46:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:00,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 12:46:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:00,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 12:46:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:00,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 12:46:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:00,970 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-10-24 12:46:00,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:46:00,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153748952] [2024-10-24 12:46:00,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153748952] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 12:46:00,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282156802] [2024-10-24 12:46:00,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:46:00,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:46:00,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:46:00,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 12:46:00,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 12:46:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:01,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 2601 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 12:46:01,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 12:46:01,729 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-24 12:46:01,729 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 12:46:01,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282156802] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:46:01,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 12:46:01,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2024-10-24 12:46:01,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611469759] [2024-10-24 12:46:01,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:46:01,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 12:46:01,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:46:01,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 12:46:01,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-24 12:46:01,734 INFO L87 Difference]: Start difference. First operand 143 states and 194 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-10-24 12:46:02,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:46:02,180 INFO L93 Difference]: Finished difference Result 275 states and 376 transitions. [2024-10-24 12:46:02,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 12:46:02,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 93 [2024-10-24 12:46:02,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:46:02,187 INFO L225 Difference]: With dead ends: 275 [2024-10-24 12:46:02,187 INFO L226 Difference]: Without dead ends: 145 [2024-10-24 12:46:02,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-24 12:46:02,191 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 37 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 12:46:02,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 596 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 12:46:02,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-10-24 12:46:02,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-10-24 12:46:02,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 87 states have (on average 1.2413793103448276) internal successors, (108), 89 states have internal predecessors, (108), 44 states have call successors, (44), 12 states have call predecessors, (44), 13 states have return successors, (46), 43 states have call predecessors, (46), 43 states have call successors, (46) [2024-10-24 12:46:02,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 198 transitions. [2024-10-24 12:46:02,222 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 198 transitions. Word has length 93 [2024-10-24 12:46:02,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:46:02,223 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 198 transitions. [2024-10-24 12:46:02,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-10-24 12:46:02,224 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 198 transitions. [2024-10-24 12:46:02,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-24 12:46:02,227 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:46:02,228 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 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] [2024-10-24 12:46:02,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 12:46:02,432 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 [2024-10-24 12:46:02,433 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:46:02,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:46:02,434 INFO L85 PathProgramCache]: Analyzing trace with hash -987341985, now seen corresponding path program 1 times [2024-10-24 12:46:02,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:46:02,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599431272] [2024-10-24 12:46:02,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:46:02,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:46:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:02,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:46:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:02,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 12:46:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:02,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 12:46:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:02,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:46:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:02,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 12:46:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:02,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 12:46:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:02,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 12:46:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:02,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 12:46:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:02,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 12:46:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:02,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 12:46:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:02,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 12:46:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:02,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 12:46:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:02,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 12:46:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:02,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 12:46:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:02,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 12:46:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:02,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 12:46:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:02,914 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-10-24 12:46:02,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:46:02,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599431272] [2024-10-24 12:46:02,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599431272] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 12:46:02,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666979489] [2024-10-24 12:46:02,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:46:02,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:46:02,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:46:02,917 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 12:46:02,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 12:46:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:03,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 2615 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 12:46:03,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 12:46:03,558 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-24 12:46:03,558 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 12:46:03,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666979489] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:46:03,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 12:46:03,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-10-24 12:46:03,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836421969] [2024-10-24 12:46:03,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:46:03,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 12:46:03,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:46:03,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 12:46:03,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 12:46:03,562 INFO L87 Difference]: Start difference. First operand 145 states and 198 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-24 12:46:03,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:46:03,855 INFO L93 Difference]: Finished difference Result 280 states and 387 transitions. [2024-10-24 12:46:03,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 12:46:03,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 99 [2024-10-24 12:46:03,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:46:03,859 INFO L225 Difference]: With dead ends: 280 [2024-10-24 12:46:03,859 INFO L226 Difference]: Without dead ends: 148 [2024-10-24 12:46:03,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 12:46:03,863 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 1 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 12:46:03,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 527 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 12:46:03,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-10-24 12:46:03,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 147. [2024-10-24 12:46:03,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 89 states have (on average 1.2359550561797752) internal successors, (110), 91 states have internal predecessors, (110), 44 states have call successors, (44), 12 states have call predecessors, (44), 13 states have return successors, (46), 43 states have call predecessors, (46), 43 states have call successors, (46) [2024-10-24 12:46:03,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 200 transitions. [2024-10-24 12:46:03,881 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 200 transitions. Word has length 99 [2024-10-24 12:46:03,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:46:03,881 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 200 transitions. [2024-10-24 12:46:03,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-24 12:46:03,882 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 200 transitions. [2024-10-24 12:46:03,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-24 12:46:03,884 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:46:03,884 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 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] [2024-10-24 12:46:03,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 12:46:04,084 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 [2024-10-24 12:46:04,085 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:46:04,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:46:04,085 INFO L85 PathProgramCache]: Analyzing trace with hash -910441187, now seen corresponding path program 1 times [2024-10-24 12:46:04,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:46:04,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761301472] [2024-10-24 12:46:04,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:46:04,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:46:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:04,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:46:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:04,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 12:46:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:04,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 12:46:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:04,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:46:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:04,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 12:46:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:04,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 12:46:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:04,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 12:46:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:04,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 12:46:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:04,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 12:46:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:04,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 12:46:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:04,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 12:46:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:04,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 12:46:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:04,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 12:46:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:04,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 12:46:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:04,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 12:46:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:04,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 12:46:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:04,556 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-10-24 12:46:04,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:46:04,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761301472] [2024-10-24 12:46:04,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761301472] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 12:46:04,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822408295] [2024-10-24 12:46:04,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:46:04,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:46:04,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:46:04,561 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 12:46:04,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 12:46:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:05,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 2610 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 12:46:05,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 12:46:05,132 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-24 12:46:05,132 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 12:46:05,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822408295] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:46:05,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 12:46:05,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-10-24 12:46:05,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276365222] [2024-10-24 12:46:05,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:46:05,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 12:46:05,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:46:05,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 12:46:05,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 12:46:05,137 INFO L87 Difference]: Start difference. First operand 147 states and 200 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-24 12:46:05,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:46:05,263 INFO L93 Difference]: Finished difference Result 283 states and 390 transitions. [2024-10-24 12:46:05,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 12:46:05,263 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 99 [2024-10-24 12:46:05,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:46:05,265 INFO L225 Difference]: With dead ends: 283 [2024-10-24 12:46:05,265 INFO L226 Difference]: Without dead ends: 149 [2024-10-24 12:46:05,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 12:46:05,267 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 12:46:05,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 528 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 12:46:05,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-10-24 12:46:05,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-10-24 12:46:05,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 91 states have (on average 1.2307692307692308) internal successors, (112), 93 states have internal predecessors, (112), 44 states have call successors, (44), 12 states have call predecessors, (44), 13 states have return successors, (46), 43 states have call predecessors, (46), 43 states have call successors, (46) [2024-10-24 12:46:05,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 202 transitions. [2024-10-24 12:46:05,280 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 202 transitions. Word has length 99 [2024-10-24 12:46:05,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:46:05,281 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 202 transitions. [2024-10-24 12:46:05,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-24 12:46:05,281 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 202 transitions. [2024-10-24 12:46:05,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-24 12:46:05,282 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:46:05,283 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 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] [2024-10-24 12:46:05,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 12:46:05,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:46:05,487 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:46:05,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:46:05,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1874564831, now seen corresponding path program 1 times [2024-10-24 12:46:05,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:46:05,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234203876] [2024-10-24 12:46:05,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:46:05,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:46:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:05,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:46:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:05,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 12:46:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:05,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 12:46:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:05,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:46:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:05,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 12:46:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:05,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 12:46:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:05,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 12:46:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:05,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 12:46:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:05,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 12:46:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:05,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 12:46:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:05,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 12:46:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:05,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 12:46:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:05,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 12:46:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:05,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 12:46:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:05,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 12:46:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:06,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 12:46:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:06,019 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-10-24 12:46:06,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:46:06,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234203876] [2024-10-24 12:46:06,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234203876] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 12:46:06,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124023099] [2024-10-24 12:46:06,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:46:06,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:46:06,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:46:06,023 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 12:46:06,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 12:46:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:06,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 2618 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 12:46:06,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 12:46:06,733 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 76 proven. 14 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 12:46:06,733 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 12:46:06,901 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-10-24 12:46:06,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124023099] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 12:46:06,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 12:46:06,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-10-24 12:46:06,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005888883] [2024-10-24 12:46:06,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 12:46:06,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 12:46:06,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:46:06,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 12:46:06,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-10-24 12:46:06,905 INFO L87 Difference]: Start difference. First operand 149 states and 202 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 7 states have call successors, (41), 4 states have call predecessors, (41), 5 states have return successors, (40), 7 states have call predecessors, (40), 7 states have call successors, (40) [2024-10-24 12:46:08,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:46:08,226 INFO L93 Difference]: Finished difference Result 271 states and 371 transitions. [2024-10-24 12:46:08,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 12:46:08,227 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 7 states have call successors, (41), 4 states have call predecessors, (41), 5 states have return successors, (40), 7 states have call predecessors, (40), 7 states have call successors, (40) Word has length 99 [2024-10-24 12:46:08,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:46:08,231 INFO L225 Difference]: With dead ends: 271 [2024-10-24 12:46:08,231 INFO L226 Difference]: Without dead ends: 151 [2024-10-24 12:46:08,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 222 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-10-24 12:46:08,235 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 186 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 12:46:08,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 446 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 12:46:08,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-10-24 12:46:08,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-10-24 12:46:08,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 95 states have internal predecessors, (113), 44 states have call successors, (44), 12 states have call predecessors, (44), 14 states have return successors, (49), 43 states have call predecessors, (49), 43 states have call successors, (49) [2024-10-24 12:46:08,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 206 transitions. [2024-10-24 12:46:08,255 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 206 transitions. Word has length 99 [2024-10-24 12:46:08,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:46:08,256 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 206 transitions. [2024-10-24 12:46:08,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 7 states have call successors, (41), 4 states have call predecessors, (41), 5 states have return successors, (40), 7 states have call predecessors, (40), 7 states have call successors, (40) [2024-10-24 12:46:08,257 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 206 transitions. [2024-10-24 12:46:08,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-24 12:46:08,259 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:46:08,259 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 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] [2024-10-24 12:46:08,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 12:46:08,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:46:08,460 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:46:08,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:46:08,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1880425148, now seen corresponding path program 1 times [2024-10-24 12:46:08,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:46:08,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046814052] [2024-10-24 12:46:08,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:46:08,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:46:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:08,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:46:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:08,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 12:46:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:08,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 12:46:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:08,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:46:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:08,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 12:46:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:08,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 12:46:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:08,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 12:46:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:08,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 12:46:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:08,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 12:46:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:08,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 12:46:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:08,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 12:46:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:09,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 12:46:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:09,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 12:46:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:09,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 12:46:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:09,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 12:46:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:09,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 12:46:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:09,072 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-10-24 12:46:09,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:46:09,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046814052] [2024-10-24 12:46:09,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046814052] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 12:46:09,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129478840] [2024-10-24 12:46:09,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:46:09,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:46:09,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:46:09,077 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 12:46:09,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 12:46:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:09,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 2623 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 12:46:09,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 12:46:09,657 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-24 12:46:09,658 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 12:46:09,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129478840] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:46:09,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 12:46:09,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-10-24 12:46:09,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322290578] [2024-10-24 12:46:09,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:46:09,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 12:46:09,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:46:09,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 12:46:09,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-24 12:46:09,660 INFO L87 Difference]: Start difference. First operand 151 states and 206 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-24 12:46:10,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:46:10,092 INFO L93 Difference]: Finished difference Result 270 states and 367 transitions. [2024-10-24 12:46:10,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 12:46:10,094 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 101 [2024-10-24 12:46:10,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:46:10,096 INFO L225 Difference]: With dead ends: 270 [2024-10-24 12:46:10,096 INFO L226 Difference]: Without dead ends: 149 [2024-10-24 12:46:10,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-24 12:46:10,098 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 50 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 12:46:10,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 738 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 12:46:10,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-10-24 12:46:10,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-10-24 12:46:10,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 91 states have (on average 1.2197802197802199) internal successors, (111), 93 states have internal predecessors, (111), 44 states have call successors, (44), 12 states have call predecessors, (44), 13 states have return successors, (46), 43 states have call predecessors, (46), 43 states have call successors, (46) [2024-10-24 12:46:10,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 201 transitions. [2024-10-24 12:46:10,115 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 201 transitions. Word has length 101 [2024-10-24 12:46:10,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:46:10,116 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 201 transitions. [2024-10-24 12:46:10,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-24 12:46:10,116 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 201 transitions. [2024-10-24 12:46:10,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-24 12:46:10,117 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:46:10,118 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-10-24 12:46:10,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 12:46:10,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:46:10,318 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:46:10,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:46:10,319 INFO L85 PathProgramCache]: Analyzing trace with hash -2063935268, now seen corresponding path program 1 times [2024-10-24 12:46:10,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:46:10,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729267975] [2024-10-24 12:46:10,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:46:10,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:46:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:10,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:46:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:10,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 12:46:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:10,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 12:46:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:10,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:46:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:10,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 12:46:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:10,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 12:46:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:10,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 12:46:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:10,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 12:46:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:10,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 12:46:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:10,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 12:46:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:10,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 12:46:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:10,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 12:46:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:10,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 12:46:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:10,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 12:46:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:10,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 12:46:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:10,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 12:46:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:10,943 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-24 12:46:10,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:46:10,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729267975] [2024-10-24 12:46:10,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729267975] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:46:10,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 12:46:10,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 12:46:10,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29362353] [2024-10-24 12:46:10,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:46:10,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 12:46:10,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:46:10,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 12:46:10,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 12:46:10,946 INFO L87 Difference]: Start difference. First operand 149 states and 201 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 4 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-24 12:46:11,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:46:11,689 INFO L93 Difference]: Finished difference Result 263 states and 352 transitions. [2024-10-24 12:46:11,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 12:46:11,690 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 4 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 113 [2024-10-24 12:46:11,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:46:11,692 INFO L225 Difference]: With dead ends: 263 [2024-10-24 12:46:11,694 INFO L226 Difference]: Without dead ends: 147 [2024-10-24 12:46:11,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-24 12:46:11,695 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 117 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 12:46:11,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 301 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 12:46:11,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-10-24 12:46:11,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-10-24 12:46:11,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 90 states have (on average 1.211111111111111) internal successors, (109), 91 states have internal predecessors, (109), 44 states have call successors, (44), 12 states have call predecessors, (44), 12 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-10-24 12:46:11,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 196 transitions. [2024-10-24 12:46:11,715 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 196 transitions. Word has length 113 [2024-10-24 12:46:11,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:46:11,716 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 196 transitions. [2024-10-24 12:46:11,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 4 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-24 12:46:11,716 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2024-10-24 12:46:11,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-24 12:46:11,718 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:46:11,718 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-24 12:46:11,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 12:46:11,718 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:46:11,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:46:11,719 INFO L85 PathProgramCache]: Analyzing trace with hash 825773623, now seen corresponding path program 1 times [2024-10-24 12:46:11,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:46:11,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136610727] [2024-10-24 12:46:11,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:46:11,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:46:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:12,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:46:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:12,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 12:46:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:12,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 12:46:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:12,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:46:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:12,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 12:46:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:12,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 12:46:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:12,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 12:46:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:12,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 12:46:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:12,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 12:46:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:13,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 12:46:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:13,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 12:46:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:13,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 12:46:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:13,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 12:46:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:13,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 12:46:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:13,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 12:46:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:13,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 12:46:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:13,172 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-24 12:46:13,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:46:13,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136610727] [2024-10-24 12:46:13,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136610727] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 12:46:13,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264507895] [2024-10-24 12:46:13,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:46:13,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:46:13,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:46:13,174 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 12:46:13,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 12:46:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:13,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 2662 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-10-24 12:46:13,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 12:46:13,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-24 12:46:14,114 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-10-24 12:46:14,114 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 12:46:14,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264507895] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:46:14,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 12:46:14,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2024-10-24 12:46:14,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847757016] [2024-10-24 12:46:14,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:46:14,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 12:46:14,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:46:14,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 12:46:14,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2024-10-24 12:46:14,118 INFO L87 Difference]: Start difference. First operand 147 states and 196 transitions. Second operand has 11 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 4 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-24 12:46:18,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-24 12:46:23,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-24 12:46:27,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-24 12:46:31,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-24 12:46:36,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-24 12:46:36,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:46:36,313 INFO L93 Difference]: Finished difference Result 397 states and 533 transitions. [2024-10-24 12:46:36,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 12:46:36,314 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 4 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 115 [2024-10-24 12:46:36,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:46:36,316 INFO L225 Difference]: With dead ends: 397 [2024-10-24 12:46:36,316 INFO L226 Difference]: Without dead ends: 263 [2024-10-24 12:46:36,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2024-10-24 12:46:36,318 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 200 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 25 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 1066 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2024-10-24 12:46:36,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 1066 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 694 Invalid, 5 Unknown, 0 Unchecked, 22.0s Time] [2024-10-24 12:46:36,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-10-24 12:46:36,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 249. [2024-10-24 12:46:36,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 158 states have (on average 1.2151898734177216) internal successors, (192), 162 states have internal predecessors, (192), 68 states have call successors, (68), 20 states have call predecessors, (68), 22 states have return successors, (71), 66 states have call predecessors, (71), 66 states have call successors, (71) [2024-10-24 12:46:36,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 331 transitions. [2024-10-24 12:46:36,342 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 331 transitions. Word has length 115 [2024-10-24 12:46:36,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:46:36,343 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 331 transitions. [2024-10-24 12:46:36,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 4 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-24 12:46:36,343 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 331 transitions. [2024-10-24 12:46:36,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-24 12:46:36,344 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:46:36,345 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 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] [2024-10-24 12:46:36,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 12:46:36,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:46:36,546 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:46:36,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:46:36,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1606442517, now seen corresponding path program 1 times [2024-10-24 12:46:36,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:46:36,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342983394] [2024-10-24 12:46:36,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:46:36,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:46:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:37,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:46:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:37,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 12:46:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:37,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 12:46:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:37,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:46:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:37,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 12:46:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:38,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 12:46:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:38,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 12:46:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:38,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 12:46:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:38,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 12:46:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:38,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 12:46:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:38,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 12:46:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:38,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 12:46:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:38,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 12:46:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:38,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 12:46:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:38,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 12:46:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:38,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 12:46:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:38,424 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-10-24 12:46:38,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:46:38,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342983394] [2024-10-24 12:46:38,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342983394] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 12:46:38,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590817831] [2024-10-24 12:46:38,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:46:38,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:46:38,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:46:38,428 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 12:46:38,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 12:46:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:46:38,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 2666 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-10-24 12:46:38,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 12:46:39,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-24 12:46:39,922 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-24 12:46:39,922 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 12:46:39,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590817831] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:46:39,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 12:46:39,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 22 [2024-10-24 12:46:39,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308169882] [2024-10-24 12:46:39,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:46:39,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 12:46:39,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:46:39,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 12:46:39,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2024-10-24 12:46:39,925 INFO L87 Difference]: Start difference. First operand 249 states and 331 transitions. Second operand has 12 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 5 states have call successors, (17), 3 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-10-24 12:46:44,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-24 12:46:48,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-24 12:46:52,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-24 12:46:57,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-24 12:47:01,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-24 12:47:01,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:47:01,812 INFO L93 Difference]: Finished difference Result 474 states and 634 transitions. [2024-10-24 12:47:01,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 12:47:01,813 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 5 states have call successors, (17), 3 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 119 [2024-10-24 12:47:01,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:47:01,816 INFO L225 Difference]: With dead ends: 474 [2024-10-24 12:47:01,816 INFO L226 Difference]: Without dead ends: 263 [2024-10-24 12:47:01,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 129 SyntacticMatches, 12 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=86, Invalid=616, Unknown=0, NotChecked=0, Total=702 [2024-10-24 12:47:01,818 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 176 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 40 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 1057 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2024-10-24 12:47:01,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 1057 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 815 Invalid, 5 Unknown, 0 Unchecked, 21.7s Time] [2024-10-24 12:47:01,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-10-24 12:47:01,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 249. [2024-10-24 12:47:01,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 158 states have (on average 1.2151898734177216) internal successors, (192), 162 states have internal predecessors, (192), 68 states have call successors, (68), 20 states have call predecessors, (68), 22 states have return successors, (69), 66 states have call predecessors, (69), 66 states have call successors, (69) [2024-10-24 12:47:01,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 329 transitions. [2024-10-24 12:47:01,867 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 329 transitions. Word has length 119 [2024-10-24 12:47:01,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:47:01,868 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 329 transitions. [2024-10-24 12:47:01,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 5 states have call successors, (17), 3 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-10-24 12:47:01,869 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 329 transitions. [2024-10-24 12:47:01,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-24 12:47:01,871 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:47:01,871 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-10-24 12:47:01,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-24 12:47:02,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:47:02,072 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:47:02,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:47:02,073 INFO L85 PathProgramCache]: Analyzing trace with hash -350134698, now seen corresponding path program 1 times [2024-10-24 12:47:02,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:47:02,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178710521] [2024-10-24 12:47:02,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:47:02,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:47:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:02,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:47:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:02,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 12:47:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:02,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 12:47:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:02,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:47:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:02,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 12:47:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:02,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 12:47:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:02,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 12:47:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:02,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 12:47:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:02,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 12:47:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:02,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 12:47:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:02,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 12:47:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:02,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 12:47:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:02,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 12:47:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:02,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 12:47:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:02,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 12:47:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:02,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 12:47:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:02,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:47:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:02,547 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-10-24 12:47:02,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:47:02,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178710521] [2024-10-24 12:47:02,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178710521] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:47:02,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 12:47:02,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 12:47:02,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903834532] [2024-10-24 12:47:02,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:47:02,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 12:47:02,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:47:02,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 12:47:02,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 12:47:02,549 INFO L87 Difference]: Start difference. First operand 249 states and 329 transitions. Second operand has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-24 12:47:03,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:47:03,733 INFO L93 Difference]: Finished difference Result 325 states and 425 transitions. [2024-10-24 12:47:03,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 12:47:03,734 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 127 [2024-10-24 12:47:03,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:47:03,736 INFO L225 Difference]: With dead ends: 325 [2024-10-24 12:47:03,737 INFO L226 Difference]: Without dead ends: 249 [2024-10-24 12:47:03,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-24 12:47:03,739 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 122 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 12:47:03,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 382 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 12:47:03,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-10-24 12:47:03,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2024-10-24 12:47:03,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 158 states have (on average 1.2088607594936709) internal successors, (191), 162 states have internal predecessors, (191), 68 states have call successors, (68), 20 states have call predecessors, (68), 22 states have return successors, (69), 66 states have call predecessors, (69), 66 states have call successors, (69) [2024-10-24 12:47:03,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 328 transitions. [2024-10-24 12:47:03,766 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 328 transitions. Word has length 127 [2024-10-24 12:47:03,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:47:03,766 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 328 transitions. [2024-10-24 12:47:03,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-24 12:47:03,767 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 328 transitions. [2024-10-24 12:47:03,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-24 12:47:03,768 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:47:03,768 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-24 12:47:03,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 12:47:03,768 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:47:03,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:47:03,769 INFO L85 PathProgramCache]: Analyzing trace with hash -688722197, now seen corresponding path program 1 times [2024-10-24 12:47:03,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:47:03,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299942490] [2024-10-24 12:47:03,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:47:03,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:47:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:04,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:47:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:04,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 12:47:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:04,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 12:47:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:04,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:47:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:04,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 12:47:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:04,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 12:47:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:05,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 12:47:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:05,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 12:47:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:05,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 12:47:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:05,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 12:47:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:05,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 12:47:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:05,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 12:47:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:05,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 12:47:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:05,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 12:47:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:05,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 12:47:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:05,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 12:47:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:05,124 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-10-24 12:47:05,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:47:05,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299942490] [2024-10-24 12:47:05,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299942490] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 12:47:05,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310369235] [2024-10-24 12:47:05,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:47:05,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:47:05,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:47:05,126 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 12:47:05,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 12:47:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:05,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 2674 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-24 12:47:05,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 12:47:05,844 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-24 12:47:05,845 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 12:47:05,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310369235] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:47:05,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 12:47:05,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 18 [2024-10-24 12:47:05,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607105543] [2024-10-24 12:47:05,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:47:05,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 12:47:05,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:47:05,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 12:47:05,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-10-24 12:47:05,847 INFO L87 Difference]: Start difference. First operand 249 states and 328 transitions. Second operand has 10 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-10-24 12:47:06,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:47:06,873 INFO L93 Difference]: Finished difference Result 487 states and 647 transitions. [2024-10-24 12:47:06,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 12:47:06,873 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 127 [2024-10-24 12:47:06,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:47:06,875 INFO L225 Difference]: With dead ends: 487 [2024-10-24 12:47:06,875 INFO L226 Difference]: Without dead ends: 257 [2024-10-24 12:47:06,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-10-24 12:47:06,877 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 155 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 12:47:06,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 770 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 12:47:06,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-10-24 12:47:06,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 253. [2024-10-24 12:47:06,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 161 states have (on average 1.204968944099379) internal successors, (194), 166 states have internal predecessors, (194), 68 states have call successors, (68), 20 states have call predecessors, (68), 23 states have return successors, (74), 66 states have call predecessors, (74), 66 states have call successors, (74) [2024-10-24 12:47:06,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 336 transitions. [2024-10-24 12:47:06,911 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 336 transitions. Word has length 127 [2024-10-24 12:47:06,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:47:06,911 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 336 transitions. [2024-10-24 12:47:06,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-10-24 12:47:06,912 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 336 transitions. [2024-10-24 12:47:06,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-24 12:47:06,913 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:47:06,913 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-24 12:47:06,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-24 12:47:07,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-24 12:47:07,114 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:47:07,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:47:07,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1906193402, now seen corresponding path program 1 times [2024-10-24 12:47:07,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:47:07,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142606916] [2024-10-24 12:47:07,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:47:07,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:47:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:08,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:47:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:08,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 12:47:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:08,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 12:47:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:08,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:47:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:08,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 12:47:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:08,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 12:47:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:08,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 12:47:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:08,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 12:47:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:08,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 12:47:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:08,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 12:47:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:08,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 12:47:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:08,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 12:47:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:08,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 12:47:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:08,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 12:47:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:08,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 12:47:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:08,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 12:47:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:08,380 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-10-24 12:47:08,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:47:08,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142606916] [2024-10-24 12:47:08,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142606916] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 12:47:08,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131263971] [2024-10-24 12:47:08,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:47:08,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:47:08,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:47:08,383 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 12:47:08,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 12:47:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:08,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 2679 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-24 12:47:08,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 12:47:09,211 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 82 proven. 34 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-24 12:47:09,211 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 12:47:09,541 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-10-24 12:47:09,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131263971] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 12:47:09,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 12:47:09,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16, 11] total 23 [2024-10-24 12:47:09,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952634502] [2024-10-24 12:47:09,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 12:47:09,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-24 12:47:09,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:47:09,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-24 12:47:09,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2024-10-24 12:47:09,544 INFO L87 Difference]: Start difference. First operand 253 states and 336 transitions. Second operand has 23 states, 17 states have (on average 6.823529411764706) internal successors, (116), 19 states have internal predecessors, (116), 6 states have call successors, (35), 5 states have call predecessors, (35), 8 states have return successors, (33), 5 states have call predecessors, (33), 6 states have call successors, (33) [2024-10-24 12:47:11,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:47:11,607 INFO L93 Difference]: Finished difference Result 484 states and 645 transitions. [2024-10-24 12:47:11,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 12:47:11,607 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 17 states have (on average 6.823529411764706) internal successors, (116), 19 states have internal predecessors, (116), 6 states have call successors, (35), 5 states have call predecessors, (35), 8 states have return successors, (33), 5 states have call predecessors, (33), 6 states have call successors, (33) Word has length 129 [2024-10-24 12:47:11,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:47:11,610 INFO L225 Difference]: With dead ends: 484 [2024-10-24 12:47:11,610 INFO L226 Difference]: Without dead ends: 269 [2024-10-24 12:47:11,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 277 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=151, Invalid=1255, Unknown=0, NotChecked=0, Total=1406 [2024-10-24 12:47:11,612 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 178 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 2100 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 2224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 2100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 12:47:11,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 986 Invalid, 2224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 2100 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 12:47:11,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-10-24 12:47:11,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 253. [2024-10-24 12:47:11,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 161 states have (on average 1.204968944099379) internal successors, (194), 166 states have internal predecessors, (194), 68 states have call successors, (68), 20 states have call predecessors, (68), 23 states have return successors, (73), 66 states have call predecessors, (73), 66 states have call successors, (73) [2024-10-24 12:47:11,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 335 transitions. [2024-10-24 12:47:11,639 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 335 transitions. Word has length 129 [2024-10-24 12:47:11,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:47:11,640 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 335 transitions. [2024-10-24 12:47:11,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 17 states have (on average 6.823529411764706) internal successors, (116), 19 states have internal predecessors, (116), 6 states have call successors, (35), 5 states have call predecessors, (35), 8 states have return successors, (33), 5 states have call predecessors, (33), 6 states have call successors, (33) [2024-10-24 12:47:11,640 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 335 transitions. [2024-10-24 12:47:11,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-24 12:47:11,641 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:47:11,641 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-24 12:47:11,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-24 12:47:11,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:47:11,842 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:47:11,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:47:11,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1426871051, now seen corresponding path program 2 times [2024-10-24 12:47:11,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:47:11,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521288924] [2024-10-24 12:47:11,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:47:11,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:47:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:12,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:47:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:12,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 12:47:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:12,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 12:47:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:12,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:47:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:12,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 12:47:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:12,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 12:47:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:12,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 12:47:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:12,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 12:47:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:12,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 12:47:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:12,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 12:47:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:12,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 12:47:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:12,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 12:47:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:12,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 12:47:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:12,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 12:47:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:12,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 12:47:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:47:13,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 12:47:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat