./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC --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 9b90640eabcf61bf9b6c4e01fcd2a39b8b829676407f71504872cd65ce1f895a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:18:25,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:18:25,811 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 01:18:25,816 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:18:25,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:18:25,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:18:25,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:18:25,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:18:25,841 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:18:25,841 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:18:25,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:18:25,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:18:25,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:18:25,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:18:25,842 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:18:25,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:18:25,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:18:25,842 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:18:25,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:18:25,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:18:25,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:18:25,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:18:25,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:18:25,843 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:18:25,843 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:18:25,843 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:18:25,843 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:18:25,843 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:18:25,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:18:25,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:18:25,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:18:25,844 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:18:25,844 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:18:25,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:18:25,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:18:25,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:18:25,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:18:25,845 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:18:25,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:18:25,845 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:18:25,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:18:25,845 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:18:25,845 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:18:25,845 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:18:25,845 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:18:25,845 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC 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 -> 9b90640eabcf61bf9b6c4e01fcd2a39b8b829676407f71504872cd65ce1f895a [2024-11-24 01:18:26,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:18:26,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:18:26,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:18:26,221 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:18:26,221 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:18:26,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i [2024-11-24 01:18:29,312 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/data/f8abb1cc7/5e33370cfe874da7af5823f7e33e9c86/FLAG47d071514 [2024-11-24 01:18:29,984 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:18:29,985 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i [2024-11-24 01:18:30,033 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/data/f8abb1cc7/5e33370cfe874da7af5823f7e33e9c86/FLAG47d071514 [2024-11-24 01:18:30,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/data/f8abb1cc7/5e33370cfe874da7af5823f7e33e9c86 [2024-11-24 01:18:30,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:18:30,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:18:30,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:18:30,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:18:30,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:18:30,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:18:30" (1/1) ... [2024-11-24 01:18:30,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f47070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:30, skipping insertion in model container [2024-11-24 01:18:30,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:18:30" (1/1) ... [2024-11-24 01:18:30,500 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:18:30,753 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_e2ca7e72-36ba-45fc-945c-06a1f76742da/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4499,4512] [2024-11-24 01:18:30,760 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_e2ca7e72-36ba-45fc-945c-06a1f76742da/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4559,4572] [2024-11-24 01:18:31,844 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:31,845 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:31,845 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:31,846 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:31,847 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:31,871 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:31,874 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:31,877 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:31,878 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:32,852 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:32,853 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:32,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:18:33,037 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:18:33,059 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_e2ca7e72-36ba-45fc-945c-06a1f76742da/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4499,4512] [2024-11-24 01:18:33,059 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_e2ca7e72-36ba-45fc-945c-06a1f76742da/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4559,4572] [2024-11-24 01:18:33,122 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:33,123 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:33,123 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:33,124 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:33,124 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:33,131 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:33,132 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:33,133 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:33,135 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:33,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-24 01:18:33,342 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:33,343 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:18:33,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-24 01:18:33,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:18:33,657 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:18:33,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33 WrapperNode [2024-11-24 01:18:33,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:18:33,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:18:33,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:18:33,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:18:33,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2024-11-24 01:18:33,744 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2024-11-24 01:18:33,875 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1027 [2024-11-24 01:18:33,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:18:33,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:18:33,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:18:33,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:18:33,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2024-11-24 01:18:33,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2024-11-24 01:18:33,911 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2024-11-24 01:18:34,063 INFO L175 MemorySlicer]: Split 569 memory accesses to 9 slices as follows [257, 2, 2, 6, 8, 4, 248, 37, 5]. 45 percent of accesses are in the largest equivalence class. The 20 initializations are split as follows [0, 2, 1, 0, 2, 2, 6, 2, 5]. The 504 writes are split as follows [257, 0, 0, 2, 0, 0, 236, 9, 0]. [2024-11-24 01:18:34,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2024-11-24 01:18:34,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2024-11-24 01:18:34,174 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2024-11-24 01:18:34,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2024-11-24 01:18:34,184 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2024-11-24 01:18:34,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2024-11-24 01:18:34,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2024-11-24 01:18:34,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:18:34,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:18:34,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:18:34,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:18:34,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2024-11-24 01:18:34,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:18:34,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:18:34,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:18:34,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:18:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2024-11-24 01:18:34,326 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2024-11-24 01:18:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton64 [2024-11-24 01:18:34,328 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton64 [2024-11-24 01:18:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-24 01:18:34,328 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-24 01:18:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:18:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-24 01:18:34,330 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-24 01:18:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-24 01:18:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-24 01:18:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-24 01:18:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-24 01:18:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-24 01:18:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-24 01:18:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2024-11-24 01:18:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2024-11-24 01:18:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#8 [2024-11-24 01:18:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-24 01:18:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-24 01:18:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-24 01:18:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-24 01:18:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-24 01:18:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-24 01:18:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-24 01:18:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-24 01:18:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-24 01:18:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 01:18:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 01:18:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 01:18:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 01:18:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 01:18:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 01:18:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 01:18:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 01:18:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 01:18:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh64 [2024-11-24 01:18:34,334 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh64 [2024-11-24 01:18:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:18:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:18:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:18:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:18:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:18:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:18:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:18:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:18:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 01:18:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-24 01:18:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-24 01:18:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-24 01:18:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-24 01:18:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-24 01:18:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-24 01:18:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-24 01:18:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-24 01:18:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-24 01:18:34,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-24 01:18:34,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-24 01:18:34,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-24 01:18:34,336 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-24 01:18:34,336 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-24 01:18:34,336 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-24 01:18:34,336 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-24 01:18:34,336 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-24 01:18:34,336 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-24 01:18:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-24 01:18:34,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-24 01:18:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:18:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:18:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:18:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:18:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:18:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:18:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:18:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:18:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 01:18:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 01:18:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 01:18:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:18:34,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:18:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-24 01:18:34,341 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-24 01:18:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-24 01:18:34,341 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-24 01:18:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-24 01:18:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-24 01:18:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-24 01:18:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-24 01:18:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-24 01:18:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-24 01:18:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-24 01:18:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-24 01:18:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-24 01:18:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 01:18:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 01:18:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 01:18:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 01:18:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 01:18:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 01:18:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 01:18:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 01:18:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 01:18:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-24 01:18:34,342 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-24 01:18:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:18:34,344 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:18:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:18:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:18:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:18:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:18:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:18:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:18:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:18:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 01:18:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 01:18:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 01:18:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 01:18:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 01:18:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 01:18:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 01:18:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 01:18:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 01:18:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 01:18:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 01:18:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 01:18:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-24 01:18:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-24 01:18:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:18:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:18:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:18:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:18:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:18:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:18:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:18:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:18:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 01:18:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_big_endian [2024-11-24 01:18:34,350 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_big_endian [2024-11-24 01:18:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-24 01:18:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-24 01:18:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-24 01:18:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-24 01:18:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-24 01:18:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-24 01:18:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2024-11-24 01:18:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2024-11-24 01:18:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#8 [2024-11-24 01:18:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:18:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:18:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:18:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:18:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:18:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:18:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:18:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:18:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 01:18:34,912 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:18:34,916 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:18:45,439 INFO L? ?]: Removed 271 outVars from TransFormulas that were not future-live. [2024-11-24 01:18:45,440 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:18:45,453 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:18:45,453 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:18:45,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:18:45 BoogieIcfgContainer [2024-11-24 01:18:45,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:18:45,458 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:18:45,458 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:18:45,464 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:18:45,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:18:30" (1/3) ... [2024-11-24 01:18:45,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d739540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:18:45, skipping insertion in model container [2024-11-24 01:18:45,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (2/3) ... [2024-11-24 01:18:45,467 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d739540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:18:45, skipping insertion in model container [2024-11-24 01:18:45,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:18:45" (3/3) ... [2024-11-24 01:18:45,468 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be64_harness.i [2024-11-24 01:18:45,486 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:18:45,488 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_read_be64_harness.i that has 22 procedures, 237 locations, 1 initial locations, 18 loop locations, and 1 error locations. [2024-11-24 01:18:45,561 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:18:45,578 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;@22e51b7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:18:45,579 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:18:45,584 INFO L276 IsEmpty]: Start isEmpty. Operand has 197 states, 132 states have (on average 1.2803030303030303) internal successors, (169), 133 states have internal predecessors, (169), 50 states have call successors, (50), 13 states have call predecessors, (50), 13 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-24 01:18:45,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-24 01:18:45,598 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:45,599 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:18:45,599 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:18:45,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:45,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1862324011, now seen corresponding path program 1 times [2024-11-24 01:18:45,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:45,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197304168] [2024-11-24 01:18:45,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:45,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:20:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:20:25,966 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-24 01:20:25,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:20:25,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197304168] [2024-11-24 01:20:25,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197304168] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:20:25,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144769413] [2024-11-24 01:20:25,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:20:25,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:20:25,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:20:25,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:20:25,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:22:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:22:04,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 7875 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:22:04,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:22:04,084 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-24 01:22:04,084 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:22:04,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144769413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:22:04,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:22:04,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:22:04,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383272808] [2024-11-24 01:22:04,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:22:04,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:22:04,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:22:04,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:22:04,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:22:04,122 INFO L87 Difference]: Start difference. First operand has 197 states, 132 states have (on average 1.2803030303030303) internal successors, (169), 133 states have internal predecessors, (169), 50 states have call successors, (50), 13 states have call predecessors, (50), 13 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 01:22:04,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:22:04,188 INFO L93 Difference]: Finished difference Result 387 states and 558 transitions. [2024-11-24 01:22:04,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:22:04,191 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2024-11-24 01:22:04,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:22:04,199 INFO L225 Difference]: With dead ends: 387 [2024-11-24 01:22:04,200 INFO L226 Difference]: Without dead ends: 191 [2024-11-24 01:22:04,205 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:22:04,207 INFO L435 NwaCegarLoop]: 267 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:22:04,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:22:04,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-24 01:22:04,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2024-11-24 01:22:04,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 127 states have (on average 1.2755905511811023) internal successors, (162), 128 states have internal predecessors, (162), 50 states have call successors, (50), 13 states have call predecessors, (50), 13 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-24 01:22:04,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 261 transitions. [2024-11-24 01:22:04,290 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 261 transitions. Word has length 135 [2024-11-24 01:22:04,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:22:04,295 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 261 transitions. [2024-11-24 01:22:04,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 01:22:04,296 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 261 transitions. [2024-11-24 01:22:04,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-24 01:22:04,303 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:22:04,303 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:22:04,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:22:04,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:22:04,505 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:22:04,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:22:04,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1471623593, now seen corresponding path program 1 times [2024-11-24 01:22:04,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:22:04,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639982697] [2024-11-24 01:22:04,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:22:04,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:23:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:23:44,372 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-24 01:23:44,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:23:44,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639982697] [2024-11-24 01:23:44,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639982697] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:23:44,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26265091] [2024-11-24 01:23:44,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:23:44,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:23:44,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:23:44,378 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:23:44,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:25:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:25:21,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 7875 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 01:25:21,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:25:21,966 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-11-24 01:25:21,966 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:25:21,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26265091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:25:21,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:25:21,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-24 01:25:21,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467215812] [2024-11-24 01:25:21,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:25:21,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:25:21,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:25:21,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:25:21,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:25:21,970 INFO L87 Difference]: Start difference. First operand 191 states and 261 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-24 01:25:23,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:25:23,964 INFO L93 Difference]: Finished difference Result 358 states and 501 transitions. [2024-11-24 01:25:23,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:25:23,966 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 135 [2024-11-24 01:25:23,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:25:23,970 INFO L225 Difference]: With dead ends: 358 [2024-11-24 01:25:23,971 INFO L226 Difference]: Without dead ends: 194 [2024-11-24 01:25:23,972 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:25:23,973 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 269 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:25:23,974 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 786 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-24 01:25:23,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-24 01:25:23,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-11-24 01:25:23,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 129 states have (on average 1.2713178294573644) internal successors, (164), 131 states have internal predecessors, (164), 50 states have call successors, (50), 13 states have call predecessors, (50), 14 states have return successors, (57), 49 states have call predecessors, (57), 49 states have call successors, (57) [2024-11-24 01:25:24,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 271 transitions. [2024-11-24 01:25:24,003 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 271 transitions. Word has length 135 [2024-11-24 01:25:24,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:25:24,003 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 271 transitions. [2024-11-24 01:25:24,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-24 01:25:24,004 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 271 transitions. [2024-11-24 01:25:24,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 01:25:24,007 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:25:24,007 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:25:24,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 01:25:24,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:25:24,208 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:25:24,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:25:24,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1422116110, now seen corresponding path program 1 times [2024-11-24 01:25:24,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:25:24,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085375939] [2024-11-24 01:25:24,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:25:24,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:00,146 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-24 01:27:00,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:00,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085375939] [2024-11-24 01:27:00,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085375939] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:27:00,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317205980] [2024-11-24 01:27:00,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:00,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:27:00,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:27:00,151 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:27:00,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:28:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:33,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 7880 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:28:33,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:28:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-24 01:28:33,950 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:28:33,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317205980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:33,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:28:33,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-24 01:28:33,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082379573] [2024-11-24 01:28:33,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:33,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:28:33,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:33,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:28:33,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:28:33,957 INFO L87 Difference]: Start difference. First operand 194 states and 271 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-24 01:28:35,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:35,725 INFO L93 Difference]: Finished difference Result 344 states and 482 transitions. [2024-11-24 01:28:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:28:35,726 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 137 [2024-11-24 01:28:35,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:35,729 INFO L225 Difference]: With dead ends: 344 [2024-11-24 01:28:35,729 INFO L226 Difference]: Without dead ends: 194 [2024-11-24 01:28:35,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:28:35,732 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 269 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:35,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 790 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-24 01:28:35,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-24 01:28:35,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-11-24 01:28:35,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 129 states have (on average 1.2713178294573644) internal successors, (164), 131 states have internal predecessors, (164), 50 states have call successors, (50), 13 states have call predecessors, (50), 14 states have return successors, (55), 49 states have call predecessors, (55), 49 states have call successors, (55) [2024-11-24 01:28:35,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 269 transitions. [2024-11-24 01:28:35,755 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 269 transitions. Word has length 137 [2024-11-24 01:28:35,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:35,755 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 269 transitions. [2024-11-24 01:28:35,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-24 01:28:35,756 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 269 transitions. [2024-11-24 01:28:35,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-24 01:28:35,758 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:35,758 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:35,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 01:28:35,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:28:35,959 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:35,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:35,959 INFO L85 PathProgramCache]: Analyzing trace with hash 2087010509, now seen corresponding path program 2 times [2024-11-24 01:28:35,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:35,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423048131] [2024-11-24 01:28:35,960 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:28:35,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:30:12,986 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 01:30:12,987 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:30:17,019 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-11-24 01:30:17,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:30:17,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423048131] [2024-11-24 01:30:17,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423048131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:30:17,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:30:17,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 01:30:17,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250407242] [2024-11-24 01:30:17,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:30:17,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:30:17,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:30:17,024 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:30:17,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:30:17,024 INFO L87 Difference]: Start difference. First operand 194 states and 269 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 8 states have internal predecessors, (56), 6 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-24 01:30:18,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:30:18,296 INFO L93 Difference]: Finished difference Result 338 states and 469 transitions. [2024-11-24 01:30:18,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:30:18,297 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 8 states have internal predecessors, (56), 6 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) Word has length 139 [2024-11-24 01:30:18,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:30:18,300 INFO L225 Difference]: With dead ends: 338 [2024-11-24 01:30:18,300 INFO L226 Difference]: Without dead ends: 194 [2024-11-24 01:30:18,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:30:18,302 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 184 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 1424 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:30:18,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 1424 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 01:30:18,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-24 01:30:18,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-11-24 01:30:18,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 129 states have (on average 1.2713178294573644) internal successors, (164), 131 states have internal predecessors, (164), 50 states have call successors, (50), 13 states have call predecessors, (50), 14 states have return successors, (50), 49 states have call predecessors, (50), 49 states have call successors, (50) [2024-11-24 01:30:18,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 264 transitions. [2024-11-24 01:30:18,325 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 264 transitions. Word has length 139 [2024-11-24 01:30:18,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:30:18,325 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 264 transitions. [2024-11-24 01:30:18,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 8 states have internal predecessors, (56), 6 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-24 01:30:18,326 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 264 transitions. [2024-11-24 01:30:18,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-24 01:30:18,328 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:30:18,329 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:30:18,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:30:18,329 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:30:18,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:30:18,330 INFO L85 PathProgramCache]: Analyzing trace with hash -2009982628, now seen corresponding path program 1 times [2024-11-24 01:30:18,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:30:18,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380446376] [2024-11-24 01:30:18,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:30:18,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:31:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:32:07,199 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-24 01:32:07,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:32:07,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380446376] [2024-11-24 01:32:07,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380446376] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:32:07,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751260515] [2024-11-24 01:32:07,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:32:07,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:32:07,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:32:07,202 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:32:07,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ca7e72-36ba-45fc-945c-06a1f76742da/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process