./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX --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 3e644a292a4c5d5b549b88d9030b75ad2c804a7dc6b4d8e0c5760a8e3b5148d0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:45:43,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:45:43,525 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-08 17:45:43,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:45:43,538 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:45:43,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:45:43,575 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:45:43,575 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:45:43,576 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:45:43,576 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:45:43,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:45:43,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:45:43,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:45:43,581 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:45:43,581 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:45:43,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:45:43,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:45:43,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:45:43,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:45:43,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:45:43,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:45:43,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:45:43,588 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:45:43,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:45:43,588 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:45:43,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:45:43,589 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:45:43,589 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:45:43,589 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:45:43,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:45:43,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:45:43,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:45:43,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:45:43,595 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:45:43,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:45:43,595 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:45:43,596 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:45:43,596 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:45:43,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:45:43,596 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e644a292a4c5d5b549b88d9030b75ad2c804a7dc6b4d8e0c5760a8e3b5148d0 [2024-11-08 17:45:43,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:45:43,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:45:43,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:45:43,929 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:45:43,930 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:45:43,931 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i Unable to find full path for "g++" [2024-11-08 17:45:45,923 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:45:46,507 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:45:46,508 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2024-11-08 17:45:46,553 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/data/94555f9f2/001bc016022941e388bdafc1d0222dae/FLAG895fde27a [2024-11-08 17:45:47,014 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/data/94555f9f2/001bc016022941e388bdafc1d0222dae [2024-11-08 17:45:47,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:45:47,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:45:47,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:45:47,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:45:47,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:45:47,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:45:47" (1/1) ... [2024-11-08 17:45:47,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62040e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:47, skipping insertion in model container [2024-11-08 17:45:47,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:45:47" (1/1) ... [2024-11-08 17:45:47,156 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:45:47,471 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2024-11-08 17:45:47,481 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2024-11-08 17:45:48,842 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:48,843 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:48,843 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:48,844 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:48,849 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:48,877 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:48,878 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:48,882 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:48,883 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:49,799 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:49,800 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:49,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:45:49,954 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:45:49,976 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2024-11-08 17:45:49,977 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2024-11-08 17:45:50,073 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:50,073 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:50,074 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:50,074 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:50,077 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:50,087 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:50,092 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:50,093 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:50,093 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:50,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-08 17:45:50,276 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:50,277 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 17:45:50,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-08 17:45:50,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:45:50,626 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:45:50,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:50 WrapperNode [2024-11-08 17:45:50,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:45:50,629 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:45:50,629 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:45:50,629 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:45:50,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:50" (1/1) ... [2024-11-08 17:45:50,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:50" (1/1) ... [2024-11-08 17:45:50,885 INFO L138 Inliner]: procedures = 680, calls = 2658, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 920 [2024-11-08 17:45:50,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:45:50,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:45:50,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:45:50,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:45:50,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:50" (1/1) ... [2024-11-08 17:45:50,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:50" (1/1) ... [2024-11-08 17:45:50,914 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:50" (1/1) ... [2024-11-08 17:45:51,015 INFO L175 MemorySlicer]: Split 592 memory accesses to 5 slices as follows [2, 257, 78, 249, 6]. 43 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 16, 11, 0]. The 499 writes are split as follows [0, 257, 7, 233, 2]. [2024-11-08 17:45:51,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:50" (1/1) ... [2024-11-08 17:45:51,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:50" (1/1) ... [2024-11-08 17:45:51,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:50" (1/1) ... [2024-11-08 17:45:51,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:50" (1/1) ... [2024-11-08 17:45:51,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:50" (1/1) ... [2024-11-08 17:45:51,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:50" (1/1) ... [2024-11-08 17:45:51,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:45:51,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:45:51,084 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:45:51,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:45:51,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:50" (1/1) ... [2024-11-08 17:45:51,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:45:51,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:45:51,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:45:51,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:45:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-08 17:45:51,161 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-08 17:45:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 17:45:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-08 17:45:51,163 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-08 17:45:51,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-08 17:45:51,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-08 17:45:51,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-08 17:45:51,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-08 17:45:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-08 17:45:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 17:45:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 17:45:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 17:45:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 17:45:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 17:45:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 17:45:51,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 17:45:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 17:45:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:45:51,166 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-08 17:45:51,166 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-08 17:45:51,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 17:45:51,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 17:45:51,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-08 17:45:51,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-08 17:45:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-08 17:45:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-08 17:45:51,167 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-08 17:45:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-08 17:45:51,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-08 17:45:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:45:51,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:45:51,168 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-08 17:45:51,168 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-08 17:45:51,168 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-08 17:45:51,169 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-08 17:45:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-08 17:45:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-08 17:45:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-08 17:45:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-08 17:45:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-08 17:45:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:45:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:45:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-08 17:45:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-08 17:45:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 17:45:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 17:45:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 17:45:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-08 17:45:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-08 17:45:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-08 17:45:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-08 17:45:51,174 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-08 17:45:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-08 17:45:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-08 17:45:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-08 17:45:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-08 17:45:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-08 17:45:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-08 17:45:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-08 17:45:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-08 17:45:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-08 17:45:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-08 17:45:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-08 17:45:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 17:45:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 17:45:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 17:45:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 17:45:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 17:45:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2024-11-08 17:45:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2024-11-08 17:45:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:45:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 17:45:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 17:45:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 17:45:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 17:45:51,491 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:45:51,493 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:46:01,224 INFO L? ?]: Removed 116 outVars from TransFormulas that were not future-live. [2024-11-08 17:46:01,224 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:46:01,248 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:46:01,249 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:46:01,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:46:01 BoogieIcfgContainer [2024-11-08 17:46:01,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:46:01,253 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:46:01,253 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:46:01,257 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:46:01,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:45:47" (1/3) ... [2024-11-08 17:46:01,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80656da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:46:01, skipping insertion in model container [2024-11-08 17:46:01,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:50" (2/3) ... [2024-11-08 17:46:01,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80656da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:46:01, skipping insertion in model container [2024-11-08 17:46:01,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:46:01" (3/3) ... [2024-11-08 17:46:01,261 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness.i [2024-11-08 17:46:01,283 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:46:01,284 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:46:01,373 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:46:01,382 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;@4be01c84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:46:01,383 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:46:01,387 INFO L276 IsEmpty]: Start isEmpty. Operand has 175 states, 105 states have (on average 1.2190476190476192) internal successors, (128), 107 states have internal predecessors, (128), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-08 17:46:01,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-08 17:46:01,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:01,404 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:46:01,405 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:01,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:01,410 INFO L85 PathProgramCache]: Analyzing trace with hash 853740323, now seen corresponding path program 1 times [2024-11-08 17:46:01,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:46:01,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299512301] [2024-11-08 17:46:01,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:01,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:50,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:47:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:50,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:47:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:47:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:47:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 17:47:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:47:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 17:47:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:47:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 17:47:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:47:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 17:47:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:47:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 17:47:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:47:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:47:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:47:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 17:47:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 17:47:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 17:47:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 17:47:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 17:47:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 17:47:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:47:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 17:47:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 17:47:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-08 17:47:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-08 17:47:51,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:51,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299512301] [2024-11-08 17:47:51,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299512301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:51,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:51,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:47:51,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421178351] [2024-11-08 17:47:51,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:51,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:47:51,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:51,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:47:51,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:47:51,671 INFO L87 Difference]: Start difference. First operand has 175 states, 105 states have (on average 1.2190476190476192) internal successors, (128), 107 states have internal predecessors, (128), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 17:47:55,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:48:00,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:48:05,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:48:05,313 INFO L93 Difference]: Finished difference Result 359 states and 517 transitions. [2024-11-08 17:48:05,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:48:05,319 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 156 [2024-11-08 17:48:05,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:48:05,331 INFO L225 Difference]: With dead ends: 359 [2024-11-08 17:48:05,332 INFO L226 Difference]: Without dead ends: 183 [2024-11-08 17:48:05,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:48:05,342 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 202 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 152 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:48:05,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 171 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 282 Invalid, 2 Unknown, 0 Unchecked, 13.0s Time] [2024-11-08 17:48:05,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-08 17:48:05,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 170. [2024-11-08 17:48:05,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 101 states have (on average 1.2079207920792079) internal successors, (122), 103 states have internal predecessors, (122), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 17:48:05,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 227 transitions. [2024-11-08 17:48:05,424 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 227 transitions. Word has length 156 [2024-11-08 17:48:05,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:48:05,425 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 227 transitions. [2024-11-08 17:48:05,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 17:48:05,425 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 227 transitions. [2024-11-08 17:48:05,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-08 17:48:05,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:48:05,434 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:48:05,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:48:05,435 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:48:05,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:48:05,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1320932517, now seen corresponding path program 1 times [2024-11-08 17:48:05,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:48:05,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036651606] [2024-11-08 17:48:05,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:48:05,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:50:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:04,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:50:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:04,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:50:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:05,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:50:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:05,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:50:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:05,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 17:50:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:05,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:50:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:05,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 17:50:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:05,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:50:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:05,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 17:50:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:05,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:50:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:05,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 17:50:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:05,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:50:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:05,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 17:50:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:05,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:50:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:05,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:50:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:05,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:50:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:06,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 17:50:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:06,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 17:50:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:06,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 17:50:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:06,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 17:50:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:06,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 17:50:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:06,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 17:50:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:06,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:50:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:06,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 17:50:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:06,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 17:50:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:06,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-08 17:50:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:06,402 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-11-08 17:50:06,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:50:06,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036651606] [2024-11-08 17:50:06,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036651606] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:50:06,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404913933] [2024-11-08 17:50:06,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:06,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:50:06,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:50:06,410 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:50:06,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:52:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:14,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 8080 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:52:14,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:52:15,492 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-08 17:52:15,492 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:52:15,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404913933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:15,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:52:15,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-08 17:52:15,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179598754] [2024-11-08 17:52:15,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:15,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:52:15,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:52:15,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:52:15,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:52:15,497 INFO L87 Difference]: Start difference. First operand 170 states and 227 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-08 17:52:17,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:17,610 INFO L93 Difference]: Finished difference Result 336 states and 454 transitions. [2024-11-08 17:52:17,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:52:17,611 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 156 [2024-11-08 17:52:17,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:17,615 INFO L225 Difference]: With dead ends: 336 [2024-11-08 17:52:17,615 INFO L226 Difference]: Without dead ends: 173 [2024-11-08 17:52:17,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:52:17,619 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 224 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:52:17,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 518 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 17:52:17,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-08 17:52:17,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2024-11-08 17:52:17,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.203883495145631) internal successors, (124), 106 states have internal predecessors, (124), 53 states have call successors, (53), 15 states have call predecessors, (53), 16 states have return successors, (59), 52 states have call predecessors, (59), 52 states have call successors, (59) [2024-11-08 17:52:17,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 236 transitions. [2024-11-08 17:52:17,684 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 236 transitions. Word has length 156 [2024-11-08 17:52:17,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:17,687 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 236 transitions. [2024-11-08 17:52:17,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-08 17:52:17,688 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 236 transitions. [2024-11-08 17:52:17,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-08 17:52:17,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:17,696 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:52:17,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:52:17,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:52:17,897 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:17,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:17,898 INFO L85 PathProgramCache]: Analyzing trace with hash -2015613520, now seen corresponding path program 1 times [2024-11-08 17:52:17,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:52:17,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639989882] [2024-11-08 17:52:17,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:17,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:54:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:26,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:54:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:26,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:54:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:26,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:54:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:26,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:54:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 17:54:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:54:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 17:54:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 17:54:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 17:54:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 17:54:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 17:54:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:54:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 17:54:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:54:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:54:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 17:54:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 17:54:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 17:54:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 17:54:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 17:54:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 17:54:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 17:54:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 17:54:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 17:54:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 17:54:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-08 17:54:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:27,825 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-11-08 17:54:27,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:54:27,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639989882] [2024-11-08 17:54:27,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639989882] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:54:27,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399038834] [2024-11-08 17:54:27,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:54:27,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:54:27,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:54:27,829 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:54:27,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:56:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:11,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 8097 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:56:11,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:56:13,183 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 17:56:13,183 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:56:13,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399038834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:56:13,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:56:13,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-08 17:56:13,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568192377] [2024-11-08 17:56:13,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:56:13,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:56:13,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:56:13,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:56:13,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:56:13,187 INFO L87 Difference]: Start difference. First operand 173 states and 236 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-08 17:56:15,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:56:15,539 INFO L93 Difference]: Finished difference Result 308 states and 424 transitions. [2024-11-08 17:56:15,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:56:15,540 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 162 [2024-11-08 17:56:15,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:56:15,543 INFO L225 Difference]: With dead ends: 308 [2024-11-08 17:56:15,543 INFO L226 Difference]: Without dead ends: 173 [2024-11-08 17:56:15,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:56:15,546 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 222 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 17:56:15,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 697 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 17:56:15,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-08 17:56:15,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2024-11-08 17:56:15,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.203883495145631) internal successors, (124), 106 states have internal predecessors, (124), 53 states have call successors, (53), 15 states have call predecessors, (53), 16 states have return successors, (57), 52 states have call predecessors, (57), 52 states have call successors, (57) [2024-11-08 17:56:15,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 234 transitions. [2024-11-08 17:56:15,581 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 234 transitions. Word has length 162 [2024-11-08 17:56:15,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:56:15,582 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 234 transitions. [2024-11-08 17:56:15,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-08 17:56:15,583 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 234 transitions. [2024-11-08 17:56:15,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-08 17:56:15,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:56:15,586 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:56:15,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 17:56:15,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:56:15,787 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:56:15,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:56:15,788 INFO L85 PathProgramCache]: Analyzing trace with hash 237563515, now seen corresponding path program 2 times [2024-11-08 17:56:15,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:56:15,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808008365] [2024-11-08 17:56:15,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:56:15,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:01,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:58:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:01,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:58:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:02,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:58:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:02,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:58:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:02,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 17:58:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:02,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:58:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:02,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 17:58:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:02,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 17:58:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:02,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 17:58:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:02,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 17:58:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:02,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 17:58:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:02,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:58:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:02,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 17:58:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:02,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:58:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:02,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:58:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:02,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 17:58:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:03,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 17:58:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:03,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 17:58:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:03,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 17:58:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:03,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 17:58:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:03,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 17:58:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:03,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 17:58:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:03,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 17:58:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:03,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 17:58:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:03,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 17:58:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:03,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 17:58:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:03,723 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 17:58:03,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:58:03,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808008365] [2024-11-08 17:58:03,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808008365] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:58:03,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296228374] [2024-11-08 17:58:03,724 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 17:58:03,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:58:03,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:58:03,728 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:58:03,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679ba5ab-8223-4741-a000-e49971c2b563/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process