./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.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_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1 --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 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:30:59,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:30:59,813 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 14:30:59,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:30:59,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:30:59,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:30:59,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:30:59,840 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:30:59,840 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:30:59,840 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:30:59,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:30:59,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:30:59,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:30:59,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:30:59,841 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:30:59,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:30:59,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:30:59,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:30:59,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:30:59,841 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:30:59,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:30:59,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:30:59,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:30:59,842 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:30:59,842 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:30:59,842 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:30:59,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:30:59,842 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:30:59,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:30:59,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:30:59,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:30:59,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:30:59,842 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:30:59,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:30:59,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:30:59,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:30:59,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:30:59,843 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:30:59,843 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:30:59,843 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:30:59,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:30:59,843 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:30:59,843 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:30:59,843 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:30:59,843 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:30:59,843 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_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1 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 -> 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f [2024-12-02 14:31:00,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:31:00,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:31:00,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:31:00,110 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:31:00,110 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:31:00,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2024-12-02 14:31:02,752 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/data/3e4333f87/dd0ead22dc2d471ba20b0712d831efcb/FLAG488cdbec5 [2024-12-02 14:31:03,155 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:31:03,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2024-12-02 14:31:03,184 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/data/3e4333f87/dd0ead22dc2d471ba20b0712d831efcb/FLAG488cdbec5 [2024-12-02 14:31:03,309 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/data/3e4333f87/dd0ead22dc2d471ba20b0712d831efcb [2024-12-02 14:31:03,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:31:03,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:31:03,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:31:03,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:31:03,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:31:03,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:31:03" (1/1) ... [2024-12-02 14:31:03,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40284f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:03, skipping insertion in model container [2024-12-02 14:31:03,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:31:03" (1/1) ... [2024-12-02 14:31:03,389 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:31:03,625 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_573a1b5f-909a-41ff-8711-d07679ef682a/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i[4498,4511] [2024-12-02 14:31:03,631 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_573a1b5f-909a-41ff-8711-d07679ef682a/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i[4558,4571] [2024-12-02 14:31:04,354 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:04,355 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:04,355 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:04,356 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:04,356 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:04,367 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:04,368 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:04,370 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:04,371 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:04,998 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:04,998 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:05,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:31:05,110 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:31:05,122 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_573a1b5f-909a-41ff-8711-d07679ef682a/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i[4498,4511] [2024-12-02 14:31:05,123 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_573a1b5f-909a-41ff-8711-d07679ef682a/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i[4558,4571] [2024-12-02 14:31:05,161 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:05,161 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:05,161 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:05,161 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:05,162 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:05,168 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:05,168 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:05,169 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:05,169 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:05,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-12-02 14:31:05,287 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:05,288 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 14:31:05,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-12-02 14:31:05,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:31:05,521 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:31:05,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:05 WrapperNode [2024-12-02 14:31:05,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:31:05,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:31:05,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:31:05,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:31:05,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:05" (1/1) ... [2024-12-02 14:31:05,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:05" (1/1) ... [2024-12-02 14:31:05,636 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2024-12-02 14:31:05,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:31:05,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:31:05,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:31:05,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:31:05,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:05" (1/1) ... [2024-12-02 14:31:05,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:05" (1/1) ... [2024-12-02 14:31:05,653 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:05" (1/1) ... [2024-12-02 14:31:05,712 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 247, 39, 257, 6, 14]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 11, 8, 0, 0, 2]. The 495 writes are split as follows [0, 232, 2, 257, 2, 2]. [2024-12-02 14:31:05,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:05" (1/1) ... [2024-12-02 14:31:05,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:05" (1/1) ... [2024-12-02 14:31:05,744 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:05" (1/1) ... [2024-12-02 14:31:05,746 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:05" (1/1) ... [2024-12-02 14:31:05,749 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:05" (1/1) ... [2024-12-02 14:31:05,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:05" (1/1) ... [2024-12-02 14:31:05,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:05" (1/1) ... [2024-12-02 14:31:05,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:31:05,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:31:05,771 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:31:05,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:31:05,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:05" (1/1) ... [2024-12-02 14:31:05,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:31:05,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:31:05,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:31:05,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:31:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-12-02 14:31:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-12-02 14:31:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-12-02 14:31:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-12-02 14:31:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 14:31:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-12-02 14:31:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-12-02 14:31:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 14:31:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 14:31:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 14:31:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 14:31:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 14:31:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 14:31:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 14:31:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 14:31:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 14:31:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 14:31:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 14:31:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 14:31:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-02 14:31:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-02 14:31:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2024-12-02 14:31:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2024-12-02 14:31:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 14:31:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:31:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 14:31:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 14:31:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 14:31:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 14:31:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 14:31:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 14:31:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:31:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:31:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-12-02 14:31:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-12-02 14:31:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-12-02 14:31:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-12-02 14:31:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 14:31:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 14:31:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 14:31:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 14:31:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 14:31:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 14:31:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:31:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:31:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 14:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 14:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 14:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 14:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 14:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 14:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 14:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 14:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 14:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 14:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 14:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 14:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 14:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-12-02 14:31:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-12-02 14:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-12-02 14:31:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-12-02 14:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 14:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 14:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 14:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 14:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 14:31:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 14:31:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:31:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 14:31:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 14:31:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 14:31:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 14:31:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 14:31:06,083 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:31:06,084 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:31:13,999 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2024-12-02 14:31:13,999 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:31:14,009 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:31:14,009 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 14:31:14,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:31:14 BoogieIcfgContainer [2024-12-02 14:31:14,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:31:14,012 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:31:14,012 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:31:14,017 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:31:14,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:31:03" (1/3) ... [2024-12-02 14:31:14,017 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56899917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:31:14, skipping insertion in model container [2024-12-02 14:31:14,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:05" (2/3) ... [2024-12-02 14:31:14,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56899917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:31:14, skipping insertion in model container [2024-12-02 14:31:14,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:31:14" (3/3) ... [2024-12-02 14:31:14,019 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness_negated.i [2024-12-02 14:31:14,030 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:31:14,031 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_from_buf_harness_negated.i that has 11 procedures, 128 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-12-02 14:31:14,076 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:31:14,086 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;@56d6efe3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:31:14,086 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:31:14,089 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 88 states have (on average 1.25) internal successors, (110), 89 states have internal predecessors, (110), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 14:31:14,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-02 14:31:14,096 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:31:14,097 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-12-02 14:31:14,097 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:31:14,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:31:14,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1503850868, now seen corresponding path program 1 times [2024-12-02 14:31:14,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:31:14,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584632795] [2024-12-02 14:31:14,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:31:14,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:40,017 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-02 14:32:40,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:40,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584632795] [2024-12-02 14:32:40,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584632795] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:32:40,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974429261] [2024-12-02 14:32:40,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:40,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:32:40,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:32:40,021 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:32:40,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:34:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:34:04,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 7650 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 14:34:04,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:34:05,587 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-02 14:34:05,587 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:34:05,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974429261] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:34:05,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:34:05,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-12-02 14:34:05,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314173343] [2024-12-02 14:34:05,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:34:05,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:34:05,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:34:05,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:34:05,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:34:05,612 INFO L87 Difference]: Start difference. First operand has 128 states, 88 states have (on average 1.25) internal successors, (110), 89 states have internal predecessors, (110), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-12-02 14:34:06,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:34:06,571 INFO L93 Difference]: Finished difference Result 255 states and 352 transitions. [2024-12-02 14:34:06,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:34:06,573 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 65 [2024-12-02 14:34:06,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:34:06,579 INFO L225 Difference]: With dead ends: 255 [2024-12-02 14:34:06,579 INFO L226 Difference]: Without dead ends: 124 [2024-12-02 14:34:06,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:34:06,584 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 173 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:34:06,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 350 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 14:34:06,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-12-02 14:34:06,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-12-02 14:34:06,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 84 states have (on average 1.2142857142857142) internal successors, (102), 86 states have internal predecessors, (102), 28 states have call successors, (28), 10 states have call predecessors, (28), 11 states have return successors, (28), 27 states have call predecessors, (28), 27 states have call successors, (28) [2024-12-02 14:34:06,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 158 transitions. [2024-12-02 14:34:06,624 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 158 transitions. Word has length 65 [2024-12-02 14:34:06,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:34:06,624 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 158 transitions. [2024-12-02 14:34:06,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-12-02 14:34:06,625 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 158 transitions. [2024-12-02 14:34:06,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-02 14:34:06,627 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:34:06,627 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:34:06,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:34:06,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 14:34:06,828 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:34:06,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:34:06,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1928733015, now seen corresponding path program 1 times [2024-12-02 14:34:06,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:34:06,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732615476] [2024-12-02 14:34:06,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:34:06,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:32,189 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-02 14:35:32,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:32,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732615476] [2024-12-02 14:35:32,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732615476] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:32,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:32,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:35:32,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344896271] [2024-12-02 14:35:32,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:32,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:35:32,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:32,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:35:32,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:35:32,192 INFO L87 Difference]: Start difference. First operand 124 states and 158 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-12-02 14:35:32,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:32,625 INFO L93 Difference]: Finished difference Result 213 states and 272 transitions. [2024-12-02 14:35:32,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:35:32,626 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 71 [2024-12-02 14:35:32,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:32,628 INFO L225 Difference]: With dead ends: 213 [2024-12-02 14:35:32,628 INFO L226 Difference]: Without dead ends: 121 [2024-12-02 14:35:32,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:35:32,629 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 27 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:32,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 662 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:35:32,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-12-02 14:35:32,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-12-02 14:35:32,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 82 states have (on average 1.2073170731707317) internal successors, (99), 83 states have internal predecessors, (99), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 14:35:32,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 154 transitions. [2024-12-02 14:35:32,638 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 154 transitions. Word has length 71 [2024-12-02 14:35:32,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:32,639 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 154 transitions. [2024-12-02 14:35:32,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-12-02 14:35:32,639 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 154 transitions. [2024-12-02 14:35:32,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-02 14:35:32,640 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:32,640 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:32,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:35:32,641 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:32,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:32,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1603992478, now seen corresponding path program 1 times [2024-12-02 14:35:32,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:32,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716138145] [2024-12-02 14:35:32,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:32,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:36:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:36:58,055 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-12-02 14:36:58,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:36:58,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716138145] [2024-12-02 14:36:58,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716138145] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:36:58,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:36:58,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:36:58,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223388569] [2024-12-02 14:36:58,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:36:58,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:36:58,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:36:58,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:36:58,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:36:58,058 INFO L87 Difference]: Start difference. First operand 121 states and 154 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 14:36:58,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:36:58,199 INFO L93 Difference]: Finished difference Result 207 states and 264 transitions. [2024-12-02 14:36:58,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:36:58,200 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 77 [2024-12-02 14:36:58,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:36:58,202 INFO L225 Difference]: With dead ends: 207 [2024-12-02 14:36:58,202 INFO L226 Difference]: Without dead ends: 124 [2024-12-02 14:36:58,203 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:36:58,204 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:36:58,204 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 442 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:36:58,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-12-02 14:36:58,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-12-02 14:36:58,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 84 states have (on average 1.2023809523809523) internal successors, (101), 86 states have internal predecessors, (101), 28 states have call successors, (28), 10 states have call predecessors, (28), 11 states have return successors, (28), 27 states have call predecessors, (28), 27 states have call successors, (28) [2024-12-02 14:36:58,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 157 transitions. [2024-12-02 14:36:58,219 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 157 transitions. Word has length 77 [2024-12-02 14:36:58,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:36:58,219 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 157 transitions. [2024-12-02 14:36:58,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 14:36:58,220 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 157 transitions. [2024-12-02 14:36:58,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-02 14:36:58,221 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:36:58,222 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:36:58,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:36:58,222 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:36:58,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:36:58,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1423594009, now seen corresponding path program 1 times [2024-12-02 14:36:58,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:36:58,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498474961] [2024-12-02 14:36:58,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:58,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:38:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:38:32,640 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-02 14:38:32,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:38:32,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498474961] [2024-12-02 14:38:32,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498474961] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:38:32,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929942378] [2024-12-02 14:38:32,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:38:32,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:38:32,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:38:32,644 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:38:32,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 14:39:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:39:57,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 7689 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 14:39:57,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:39:58,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-02 14:40:00,036 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-02 14:40:00,036 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:40:00,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929942378] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:40:00,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:40:00,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11] total 19 [2024-12-02 14:40:00,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640689678] [2024-12-02 14:40:00,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:40:00,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 14:40:00,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:40:00,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 14:40:00,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-12-02 14:40:00,039 INFO L87 Difference]: Start difference. First operand 124 states and 157 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-12-02 14:40:04,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:40:08,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:40:12,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:40:12,003 INFO L93 Difference]: Finished difference Result 237 states and 302 transitions. [2024-12-02 14:40:12,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 14:40:12,004 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 79 [2024-12-02 14:40:12,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:40:12,006 INFO L225 Difference]: With dead ends: 237 [2024-12-02 14:40:12,006 INFO L226 Difference]: Without dead ends: 138 [2024-12-02 14:40:12,007 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2024-12-02 14:40:12,008 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 153 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2024-12-02 14:40:12,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 807 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 433 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2024-12-02 14:40:12,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-12-02 14:40:12,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 132. [2024-12-02 14:40:12,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 90 states have (on average 1.1888888888888889) internal successors, (107), 93 states have internal predecessors, (107), 28 states have call successors, (28), 11 states have call predecessors, (28), 13 states have return successors, (29), 27 states have call predecessors, (29), 27 states have call successors, (29) [2024-12-02 14:40:12,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 164 transitions. [2024-12-02 14:40:12,026 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 164 transitions. Word has length 79 [2024-12-02 14:40:12,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:40:12,026 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 164 transitions. [2024-12-02 14:40:12,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-12-02 14:40:12,027 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 164 transitions. [2024-12-02 14:40:12,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-02 14:40:12,028 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:40:12,028 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:40:12,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 14:40:12,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:40:12,229 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:40:12,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:40:12,229 INFO L85 PathProgramCache]: Analyzing trace with hash -784084305, now seen corresponding path program 1 times [2024-12-02 14:40:12,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:40:12,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506225050] [2024-12-02 14:40:12,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:40:12,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:41:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:41:40,785 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-02 14:41:40,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:41:40,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506225050] [2024-12-02 14:41:40,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506225050] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:41:40,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930539570] [2024-12-02 14:41:40,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:41:40,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:41:40,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:41:40,787 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:41:40,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 14:43:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:43:05,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 7701 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-02 14:43:05,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:43:06,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-02 14:43:10,000 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-02 14:43:10,000 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:43:10,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930539570] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:43:10,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:43:10,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [9] total 20 [2024-12-02 14:43:10,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619972876] [2024-12-02 14:43:10,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:43:10,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 14:43:10,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:43:10,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 14:43:10,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2024-12-02 14:43:10,002 INFO L87 Difference]: Start difference. First operand 132 states and 164 transitions. Second operand has 13 states, 12 states have (on average 5.0) internal successors, (60), 11 states have internal predecessors, (60), 5 states have call successors, (11), 4 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-12-02 14:43:14,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:43:18,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:43:22,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:43:22,725 INFO L93 Difference]: Finished difference Result 231 states and 289 transitions. [2024-12-02 14:43:22,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 14:43:22,726 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.0) internal successors, (60), 11 states have internal predecessors, (60), 5 states have call successors, (11), 4 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 83 [2024-12-02 14:43:22,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:43:22,728 INFO L225 Difference]: With dead ends: 231 [2024-12-02 14:43:22,728 INFO L226 Difference]: Without dead ends: 134 [2024-12-02 14:43:22,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 69 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2024-12-02 14:43:22,730 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 92 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 21 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:43:22,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 978 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 514 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2024-12-02 14:43:22,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-12-02 14:43:22,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 128. [2024-12-02 14:43:22,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 87 states have (on average 1.1839080459770115) internal successors, (103), 89 states have internal predecessors, (103), 28 states have call successors, (28), 11 states have call predecessors, (28), 12 states have return successors, (28), 27 states have call predecessors, (28), 27 states have call successors, (28) [2024-12-02 14:43:22,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 159 transitions. [2024-12-02 14:43:22,748 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 159 transitions. Word has length 83 [2024-12-02 14:43:22,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:43:22,748 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 159 transitions. [2024-12-02 14:43:22,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.0) internal successors, (60), 11 states have internal predecessors, (60), 5 states have call successors, (11), 4 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-12-02 14:43:22,749 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 159 transitions. [2024-12-02 14:43:22,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-02 14:43:22,750 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:43:22,750 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:43:22,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 14:43:22,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:43:22,950 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:43:22,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:43:22,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1338530551, now seen corresponding path program 1 times [2024-12-02 14:43:22,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:43:22,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059712108] [2024-12-02 14:43:22,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:43:22,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:44:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:44:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-02 14:44:51,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:44:51,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059712108] [2024-12-02 14:44:51,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059712108] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:44:51,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851691482] [2024-12-02 14:44:51,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:44:51,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:44:51,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:44:51,574 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:44:51,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573a1b5f-909a-41ff-8711-d07679ef682a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process