./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB --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 9e4ccc391c063e90fb229c8b3638d2f1089d6ba2ff288522cf06bf650b1be9e5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:20:00,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:20:00,800 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 23:20:00,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:20:00,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:20:00,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:20:00,838 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:20:00,838 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:20:00,838 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:20:00,838 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:20:00,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:20:00,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:20:00,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:20:00,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:20:00,839 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:20:00,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:20:00,839 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:20:00,839 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:20:00,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:20:00,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:20:00,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:20:00,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:20:00,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:20:00,840 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:20:00,840 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:20:00,840 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:20:00,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:20:00,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:20:00,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:20:00,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:20:00,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:20:00,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:20:00,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:20:00,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:20:00,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:20:00,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:20:00,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:20:00,842 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:20:00,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:20:00,842 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:20:00,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:20:00,842 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:20:00,842 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:20:00,842 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:20:00,842 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:20:00,842 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_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 9e4ccc391c063e90fb229c8b3638d2f1089d6ba2ff288522cf06bf650b1be9e5 [2024-11-27 23:20:01,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:20:01,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:20:01,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:20:01,201 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:20:01,201 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:20:01,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i [2024-11-27 23:20:04,218 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/data/08878912b/e24c7c7398584f36b77aa33975cca07d/FLAG21657c196 [2024-11-27 23:20:04,988 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:20:04,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i [2024-11-27 23:20:05,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/data/08878912b/e24c7c7398584f36b77aa33975cca07d/FLAG21657c196 [2024-11-27 23:20:05,072 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/data/08878912b/e24c7c7398584f36b77aa33975cca07d [2024-11-27 23:20:05,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:20:05,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:20:05,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:20:05,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:20:05,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:20:05,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:05" (1/1) ... [2024-11-27 23:20:05,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3538e6d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:05, skipping insertion in model container [2024-11-27 23:20:05,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:05" (1/1) ... [2024-11-27 23:20:05,216 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:20:05,527 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_814bbfd1-e806-4e5c-9509-2fa412be0259/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i[4495,4508] [2024-11-27 23:20:05,536 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_814bbfd1-e806-4e5c-9509-2fa412be0259/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i[4555,4568] [2024-11-27 23:20:06,555 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:06,556 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:06,556 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:06,557 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:06,558 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:06,574 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:06,574 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:06,577 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:06,577 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:07,505 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:07,505 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:07,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:20:07,651 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:20:07,672 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_814bbfd1-e806-4e5c-9509-2fa412be0259/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i[4495,4508] [2024-11-27 23:20:07,673 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_814bbfd1-e806-4e5c-9509-2fa412be0259/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i[4555,4568] [2024-11-27 23:20:07,737 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:07,737 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:07,738 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:07,738 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:07,739 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:07,750 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:07,750 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:07,751 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:07,752 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:07,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-27 23:20:07,956 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:07,956 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 23:20:07,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-27 23:20:08,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:20:08,266 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:20:08,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:08 WrapperNode [2024-11-27 23:20:08,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:20:08,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:20:08,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:20:08,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:20:08,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:08" (1/1) ... [2024-11-27 23:20:08,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:08" (1/1) ... [2024-11-27 23:20:08,463 INFO L138 Inliner]: procedures = 680, calls = 2633, calls flagged for inlining = 64, calls inlined = 10, statements flattened = 902 [2024-11-27 23:20:08,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:20:08,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:20:08,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:20:08,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:20:08,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:08" (1/1) ... [2024-11-27 23:20:08,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:08" (1/1) ... [2024-11-27 23:20:08,501 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:08" (1/1) ... [2024-11-27 23:20:08,611 INFO L175 MemorySlicer]: Split 556 memory accesses to 6 slices as follows [2, 257, 238, 13, 40, 6]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 5, 8, 0]. The 493 writes are split as follows [0, 257, 232, 0, 2, 2]. [2024-11-27 23:20:08,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:08" (1/1) ... [2024-11-27 23:20:08,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:08" (1/1) ... [2024-11-27 23:20:08,680 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:08" (1/1) ... [2024-11-27 23:20:08,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:08" (1/1) ... [2024-11-27 23:20:08,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:08" (1/1) ... [2024-11-27 23:20:08,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:08" (1/1) ... [2024-11-27 23:20:08,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:08" (1/1) ... [2024-11-27 23:20:08,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:20:08,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:20:08,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:20:08,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:20:08,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:08" (1/1) ... [2024-11-27 23:20:08,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:20:08,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:08,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:20:08,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:20:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2024-11-27 23:20:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2024-11-27 23:20:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-27 23:20:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-27 23:20:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 23:20:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-27 23:20:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-27 23:20:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 23:20:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 23:20:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 23:20:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 23:20:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 23:20:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 23:20:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 23:20:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 23:20:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 23:20:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 23:20:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 23:20:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 23:20:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-27 23:20:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-27 23:20:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 23:20:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:20:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-27 23:20:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-27 23:20:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 23:20:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 23:20:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 23:20:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 23:20:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 23:20:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 23:20:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:20:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:20:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-27 23:20:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-27 23:20:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-27 23:20:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-27 23:20:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 23:20:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 23:20:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 23:20:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 23:20:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 23:20:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 23:20:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:20:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:20:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 23:20:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 23:20:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 23:20:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 23:20:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 23:20:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 23:20:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 23:20:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 23:20:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 23:20:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 23:20:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 23:20:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 23:20:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-27 23:20:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-27 23:20:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-27 23:20:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-27 23:20:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-27 23:20:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 23:20:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 23:20:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 23:20:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 23:20:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 23:20:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 23:20:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:20:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 23:20:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 23:20:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 23:20:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 23:20:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 23:20:09,208 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:20:09,210 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:20:18,887 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-11-27 23:20:18,888 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:20:18,907 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:20:18,907 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 23:20:18,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:20:18 BoogieIcfgContainer [2024-11-27 23:20:18,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:20:18,910 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:20:18,910 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:20:18,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:20:18,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:20:05" (1/3) ... [2024-11-27 23:20:18,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9791dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:20:18, skipping insertion in model container [2024-11-27 23:20:18,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:08" (2/3) ... [2024-11-27 23:20:18,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9791dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:20:18, skipping insertion in model container [2024-11-27 23:20:18,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:20:18" (3/3) ... [2024-11-27 23:20:18,920 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_c_str_harness.i [2024-11-27 23:20:18,937 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:20:18,941 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_eq_c_str_harness.i that has 11 procedures, 140 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 23:20:19,020 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:20:19,035 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;@153055e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:20:19,036 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:20:19,042 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 92 states have (on average 1.25) internal successors, (115), 94 states have internal predecessors, (115), 36 states have call successors, (36), 10 states have call predecessors, (36), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 23:20:19,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-27 23:20:19,059 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:19,060 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 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] [2024-11-27 23:20:19,061 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:20:19,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:19,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1835431672, now seen corresponding path program 1 times [2024-11-27 23:20:19,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:19,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228975323] [2024-11-27 23:20:19,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:19,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:47,799 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-27 23:21:47,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:47,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228975323] [2024-11-27 23:21:47,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228975323] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:21:47,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968731158] [2024-11-27 23:21:47,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:47,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:47,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:47,806 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:47,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:23:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:17,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 7802 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:23:17,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:17,972 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-27 23:23:17,973 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:23:17,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968731158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:17,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:23:17,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 23:23:17,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700034227] [2024-11-27 23:23:17,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:17,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:23:17,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:17,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:23:17,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:23:17,999 INFO L87 Difference]: Start difference. First operand has 140 states, 92 states have (on average 1.25) internal successors, (115), 94 states have internal predecessors, (115), 36 states have call successors, (36), 10 states have call predecessors, (36), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-27 23:23:18,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:18,037 INFO L93 Difference]: Finished difference Result 275 states and 395 transitions. [2024-11-27 23:23:18,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:23:18,039 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 125 [2024-11-27 23:23:18,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:18,046 INFO L225 Difference]: With dead ends: 275 [2024-11-27 23:23:18,047 INFO L226 Difference]: Without dead ends: 135 [2024-11-27 23:23:18,051 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:23:18,053 INFO L435 NwaCegarLoop]: 184 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, 184 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 [2024-11-27 23:23:18,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:23:18,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-27 23:23:18,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2024-11-27 23:23:18,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 88 states have (on average 1.2159090909090908) internal successors, (107), 89 states have internal predecessors, (107), 36 states have call successors, (36), 10 states have call predecessors, (36), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-27 23:23:18,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 178 transitions. [2024-11-27 23:23:18,108 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 178 transitions. Word has length 125 [2024-11-27 23:23:18,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:18,111 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 178 transitions. [2024-11-27 23:23:18,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-27 23:23:18,111 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 178 transitions. [2024-11-27 23:23:18,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-27 23:23:18,115 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:18,115 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 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] [2024-11-27 23:23:18,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 23:23:18,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 23:23:18,316 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:23:18,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:18,317 INFO L85 PathProgramCache]: Analyzing trace with hash 987300848, now seen corresponding path program 1 times [2024-11-27 23:23:18,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:18,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21701567] [2024-11-27 23:23:18,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:18,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:51,942 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-27 23:24:51,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:51,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21701567] [2024-11-27 23:24:51,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21701567] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:51,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437177295] [2024-11-27 23:24:51,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:51,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:51,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:51,948 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:51,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:26:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:28,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 7802 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:26:28,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:26:29,134 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-11-27 23:26:29,134 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:26:29,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437177295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:26:29,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:26:29,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-27 23:26:29,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267797959] [2024-11-27 23:26:29,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:26:29,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:26:29,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:26:29,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:26:29,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:26:29,137 INFO L87 Difference]: Start difference. First operand 135 states and 178 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-27 23:26:30,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:26:30,380 INFO L93 Difference]: Finished difference Result 240 states and 321 transitions. [2024-11-27 23:26:30,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:26:30,381 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 125 [2024-11-27 23:26:30,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:26:30,385 INFO L225 Difference]: With dead ends: 240 [2024-11-27 23:26:30,385 INFO L226 Difference]: Without dead ends: 138 [2024-11-27 23:26:30,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:26:30,387 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 181 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:26:30,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 364 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 23:26:30,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-27 23:26:30,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-27 23:26:30,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 90 states have (on average 1.211111111111111) internal successors, (109), 92 states have internal predecessors, (109), 36 states have call successors, (36), 10 states have call predecessors, (36), 11 states have return successors, (37), 35 states have call predecessors, (37), 35 states have call successors, (37) [2024-11-27 23:26:30,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 182 transitions. [2024-11-27 23:26:30,414 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 182 transitions. Word has length 125 [2024-11-27 23:26:30,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:26:30,414 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 182 transitions. [2024-11-27 23:26:30,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-27 23:26:30,415 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 182 transitions. [2024-11-27 23:26:30,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-27 23:26:30,417 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:26:30,418 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:30,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 23:26:30,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:26:30,618 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:26:30,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:30,619 INFO L85 PathProgramCache]: Analyzing trace with hash -154164069, now seen corresponding path program 1 times [2024-11-27 23:26:30,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:26:30,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594318185] [2024-11-27 23:26:30,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:30,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:06,916 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-27 23:28:06,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:28:06,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594318185] [2024-11-27 23:28:06,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594318185] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:28:06,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68331814] [2024-11-27 23:28:06,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:06,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:28:06,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:06,918 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:28:06,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 23:29:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:39,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 7819 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:29:39,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:29:40,787 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-11-27 23:29:40,789 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:29:40,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68331814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:29:40,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:29:40,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-27 23:29:40,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113489465] [2024-11-27 23:29:40,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:40,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:29:40,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:40,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:29:40,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:29:40,791 INFO L87 Difference]: Start difference. First operand 138 states and 182 transitions. Second operand has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-27 23:29:42,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:29:42,266 INFO L93 Difference]: Finished difference Result 229 states and 303 transitions. [2024-11-27 23:29:42,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:29:42,267 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 131 [2024-11-27 23:29:42,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:29:42,269 INFO L225 Difference]: With dead ends: 229 [2024-11-27 23:29:42,270 INFO L226 Difference]: Without dead ends: 135 [2024-11-27 23:29:42,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:29:42,272 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 183 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:29:42,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 492 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 23:29:42,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-27 23:29:42,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2024-11-27 23:29:42,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 88 states have (on average 1.2045454545454546) internal successors, (106), 89 states have internal predecessors, (106), 36 states have call successors, (36), 10 states have call predecessors, (36), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-27 23:29:42,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 177 transitions. [2024-11-27 23:29:42,292 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 177 transitions. Word has length 131 [2024-11-27 23:29:42,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:29:42,293 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 177 transitions. [2024-11-27 23:29:42,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-27 23:29:42,294 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 177 transitions. [2024-11-27 23:29:42,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-27 23:29:42,296 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:29:42,296 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-27 23:29:42,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 23:29:42,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:42,497 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:29:42,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:42,497 INFO L85 PathProgramCache]: Analyzing trace with hash -591260751, now seen corresponding path program 1 times [2024-11-27 23:29:42,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:42,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289997186] [2024-11-27 23:29:42,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:42,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:20,846 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-27 23:31:20,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:20,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289997186] [2024-11-27 23:31:20,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289997186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:20,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:31:20,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 23:31:20,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872798328] [2024-11-27 23:31:20,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:20,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:31:20,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:20,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:31:20,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:31:20,849 INFO L87 Difference]: Start difference. First operand 135 states and 177 transitions. Second operand has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-27 23:31:21,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:21,365 INFO L93 Difference]: Finished difference Result 147 states and 192 transitions. [2024-11-27 23:31:21,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:31:21,366 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) Word has length 143 [2024-11-27 23:31:21,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:21,369 INFO L225 Difference]: With dead ends: 147 [2024-11-27 23:31:21,369 INFO L226 Difference]: Without dead ends: 145 [2024-11-27 23:31:21,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:31:21,371 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 3 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1186 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:21,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1186 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:31:21,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-27 23:31:21,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 144. [2024-11-27 23:31:21,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 94 states have (on average 1.1914893617021276) internal successors, (112), 96 states have internal predecessors, (112), 37 states have call successors, (37), 11 states have call predecessors, (37), 12 states have return successors, (40), 36 states have call predecessors, (40), 36 states have call successors, (40) [2024-11-27 23:31:21,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 189 transitions. [2024-11-27 23:31:21,394 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 189 transitions. Word has length 143 [2024-11-27 23:31:21,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:21,395 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 189 transitions. [2024-11-27 23:31:21,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-27 23:31:21,395 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 189 transitions. [2024-11-27 23:31:21,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-27 23:31:21,397 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:21,397 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:21,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:31:21,398 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:31:21,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:21,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1580721735, now seen corresponding path program 1 times [2024-11-27 23:31:21,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:21,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609142415] [2024-11-27 23:31:21,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:21,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:03,566 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-27 23:33:03,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:33:03,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609142415] [2024-11-27 23:33:03,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609142415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:33:03,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:33:03,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:33:03,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887814458] [2024-11-27 23:33:03,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:03,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:33:03,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:33:03,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:33:03,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:33:03,569 INFO L87 Difference]: Start difference. First operand 144 states and 189 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-27 23:33:04,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:04,086 INFO L93 Difference]: Finished difference Result 274 states and 370 transitions. [2024-11-27 23:33:04,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:33:04,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) Word has length 147 [2024-11-27 23:33:04,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:04,090 INFO L225 Difference]: With dead ends: 274 [2024-11-27 23:33:04,090 INFO L226 Difference]: Without dead ends: 163 [2024-11-27 23:33:04,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:33:04,092 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 28 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:04,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 487 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:33:04,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-27 23:33:04,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 149. [2024-11-27 23:33:04,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 99 states have (on average 1.202020202020202) internal successors, (119), 101 states have internal predecessors, (119), 37 states have call successors, (37), 11 states have call predecessors, (37), 12 states have return successors, (40), 36 states have call predecessors, (40), 36 states have call successors, (40) [2024-11-27 23:33:04,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 196 transitions. [2024-11-27 23:33:04,120 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 196 transitions. Word has length 147 [2024-11-27 23:33:04,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:04,121 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 196 transitions. [2024-11-27 23:33:04,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-27 23:33:04,121 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 196 transitions. [2024-11-27 23:33:04,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-27 23:33:04,123 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:04,123 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:04,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:33:04,124 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:04,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:04,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1322556297, now seen corresponding path program 1 times [2024-11-27 23:33:04,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:33:04,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780271923] [2024-11-27 23:33:04,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:04,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:34:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:34:53,974 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-27 23:34:53,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:34:53,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780271923] [2024-11-27 23:34:53,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780271923] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:34:53,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148543566] [2024-11-27 23:34:53,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:34:53,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:34:53,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:34:53,980 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:34:53,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814bbfd1-e806-4e5c-9509-2fa412be0259/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process