./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_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_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/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_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/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_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/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 5235a092d2f116f7b83a934e5905896d63bc9e7551cc3a581afc6904f32e3ebd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:37:16,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:37:16,759 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 11:37:16,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:37:16,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:37:16,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:37:16,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:37:16,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:37:16,785 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:37:16,785 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:37:16,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:37:16,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:37:16,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:37:16,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:37:16,786 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:37:16,786 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:37:16,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:37:16,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:37:16,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:37:16,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:37:16,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:37:16,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:37:16,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:37:16,786 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:37:16,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:37:16,787 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:37:16,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:37:16,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:37:16,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:37:16,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:37:16,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:37:16,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:37:16,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:37:16,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:37:16,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:37:16,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:37:16,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:37:16,788 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:37:16,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:37:16,788 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:37:16,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:37:16,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:37:16,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:37:16,788 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:37:16,788 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:37:16,788 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_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/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 -> 5235a092d2f116f7b83a934e5905896d63bc9e7551cc3a581afc6904f32e3ebd [2024-12-02 11:37:17,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:37:17,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:37:17,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:37:17,026 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:37:17,026 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:37:17,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i [2024-12-02 11:37:19,655 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/data/627ce6404/c6bb369455d140be90d2bee9606d2602/FLAG9cab726e0 [2024-12-02 11:37:20,022 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:37:20,022 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i [2024-12-02 11:37:20,046 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/data/627ce6404/c6bb369455d140be90d2bee9606d2602/FLAG9cab726e0 [2024-12-02 11:37:20,058 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/data/627ce6404/c6bb369455d140be90d2bee9606d2602 [2024-12-02 11:37:20,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:37:20,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:37:20,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:37:20,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:37:20,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:37:20,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:37:20" (1/1) ... [2024-12-02 11:37:20,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b51872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:20, skipping insertion in model container [2024-12-02 11:37:20,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:37:20" (1/1) ... [2024-12-02 11:37:20,137 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:37:20,339 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_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i[4504,4517] [2024-12-02 11:37:20,344 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_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i[4564,4577] [2024-12-02 11:37:21,147 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:21,148 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:21,148 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:21,149 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:21,150 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:21,164 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:21,165 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:21,167 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:21,167 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:21,169 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:21,169 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:21,170 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:21,170 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,003 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,004 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,025 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,026 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,032 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,032 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,046 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,046 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,047 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,047 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,047 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,048 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,048 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,080 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_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i[227986,227999] [2024-12-02 11:37:22,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:37:22,108 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:37:22,121 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_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i[4504,4517] [2024-12-02 11:37:22,121 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_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i[4564,4577] [2024-12-02 11:37:22,159 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,159 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,159 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,159 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,160 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,166 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,166 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,167 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,167 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,168 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,168 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,169 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,169 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2024-12-02 11:37:22,325 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,325 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,332 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,332 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,335 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,335 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,342 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,343 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,343 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,344 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,344 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,344 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,344 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 11:37:22,361 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_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i[227986,227999] [2024-12-02 11:37:22,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:37:22,626 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:37:22,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:22 WrapperNode [2024-12-02 11:37:22,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:37:22,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:37:22,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:37:22,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:37:22,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:22" (1/1) ... [2024-12-02 11:37:22,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:22" (1/1) ... [2024-12-02 11:37:22,754 INFO L138 Inliner]: procedures = 763, calls = 2428, calls flagged for inlining = 69, calls inlined = 11, statements flattened = 607 [2024-12-02 11:37:22,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:37:22,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:37:22,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:37:22,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:37:22,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:22" (1/1) ... [2024-12-02 11:37:22,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:22" (1/1) ... [2024-12-02 11:37:22,774 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:22" (1/1) ... [2024-12-02 11:37:22,844 INFO L175 MemorySlicer]: Split 282 memory accesses to 8 slices as follows [238, 2, 3, 19, 7, 6, 2, 5]. 84 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [6, 2, 0, 0, 0, 0, 0, 5]. The 238 writes are split as follows [232, 0, 1, 1, 1, 2, 1, 0]. [2024-12-02 11:37:22,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:22" (1/1) ... [2024-12-02 11:37:22,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:22" (1/1) ... [2024-12-02 11:37:22,873 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:22" (1/1) ... [2024-12-02 11:37:22,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:22" (1/1) ... [2024-12-02 11:37:22,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:22" (1/1) ... [2024-12-02 11:37:22,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:22" (1/1) ... [2024-12-02 11:37:22,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:22" (1/1) ... [2024-12-02 11:37:22,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:37:22,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:37:22,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:37:22,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:37:22,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:22" (1/1) ... [2024-12-02 11:37:22,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:37:22,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:37:22,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:37:22,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:37:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 11:37:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 11:37:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 11:37:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 11:37:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 11:37:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-02 11:37:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-12-02 11:37:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-12-02 11:37:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 11:37:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_get_entry_count [2024-12-02 11:37:22,963 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_get_entry_count [2024-12-02 11:37:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 11:37:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 11:37:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 11:37:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 11:37:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 11:37:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 11:37:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 11:37:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 11:37:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 11:37:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 11:37:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 11:37:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 11:37:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 11:37:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 11:37:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 11:37:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 11:37:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-12-02 11:37:22,964 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-12-02 11:37:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-02 11:37:22,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-02 11:37:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2024-12-02 11:37:22,965 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2024-12-02 11:37:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 11:37:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:37:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2024-12-02 11:37:22,965 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2024-12-02 11:37:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 11:37:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 11:37:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 11:37:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 11:37:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 11:37:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 11:37:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 11:37:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 11:37:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:37:22,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:37:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-12-02 11:37:22,965 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-12-02 11:37:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-12-02 11:37:22,966 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-12-02 11:37:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 11:37:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 11:37:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 11:37:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 11:37:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 11:37:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 11:37:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 11:37:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 11:37:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:37:22,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:37:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 11:37:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-12-02 11:37:22,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-12-02 11:37:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 11:37:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 11:37:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 11:37:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 11:37:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 11:37:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 11:37:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 11:37:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 11:37:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2024-12-02 11:37:22,967 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2024-12-02 11:37:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 11:37:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 11:37:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 11:37:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 11:37:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 11:37:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 11:37:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 11:37:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 11:37:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-12-02 11:37:22,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-12-02 11:37:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-12-02 11:37:22,967 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-12-02 11:37:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-12-02 11:37:22,967 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-12-02 11:37:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 11:37:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 11:37:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 11:37:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 11:37:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 11:37:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 11:37:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 11:37:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 11:37:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:37:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:37:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 11:37:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 11:37:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 11:37:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 11:37:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 11:37:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 11:37:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2024-12-02 11:37:22,968 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2024-12-02 11:37:23,266 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:37:23,268 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:37:28,812 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2024-12-02 11:37:28,813 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:37:28,822 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:37:28,822 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 11:37:28,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:37:28 BoogieIcfgContainer [2024-12-02 11:37:28,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:37:28,825 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:37:28,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:37:28,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:37:28,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:37:20" (1/3) ... [2024-12-02 11:37:28,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269276d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:37:28, skipping insertion in model container [2024-12-02 11:37:28,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:22" (2/3) ... [2024-12-02 11:37:28,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269276d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:37:28, skipping insertion in model container [2024-12-02 11:37:28,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:37:28" (3/3) ... [2024-12-02 11:37:28,831 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_get_entry_count_harness_negated.i [2024-12-02 11:37:28,846 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:37:28,847 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_get_entry_count_harness_negated.i that has 15 procedures, 121 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-12-02 11:37:28,898 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:37:28,909 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;@10cc285b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:37:28,909 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:37:28,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 79 states have (on average 1.1772151898734178) internal successors, (93), 80 states have internal predecessors, (93), 26 states have call successors, (26), 14 states have call predecessors, (26), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 11:37:28,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 11:37:28,923 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:37:28,924 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:37:28,924 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:37:28,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:37:28,929 INFO L85 PathProgramCache]: Analyzing trace with hash 931165113, now seen corresponding path program 1 times [2024-12-02 11:37:28,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:37:28,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075521695] [2024-12-02 11:37:28,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:28,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:37:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:37:35,916 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-02 11:37:35,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:37:35,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075521695] [2024-12-02 11:37:35,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075521695] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:37:35,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045474722] [2024-12-02 11:37:35,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:35,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:37:35,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:37:35,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:37:35,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:37:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:37:41,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 4316 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 11:37:41,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:37:41,909 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-02 11:37:41,909 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:37:41,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045474722] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:37:41,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:37:41,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2024-12-02 11:37:41,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767864056] [2024-12-02 11:37:41,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:37:41,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:37:41,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:37:41,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:37:41,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:37:41,940 INFO L87 Difference]: Start difference. First operand has 121 states, 79 states have (on average 1.1772151898734178) internal successors, (93), 80 states have internal predecessors, (93), 26 states have call successors, (26), 14 states have call predecessors, (26), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 11:37:42,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:37:42,117 INFO L93 Difference]: Finished difference Result 239 states and 305 transitions. [2024-12-02 11:37:42,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:37:42,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 108 [2024-12-02 11:37:42,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:37:42,127 INFO L225 Difference]: With dead ends: 239 [2024-12-02 11:37:42,127 INFO L226 Difference]: Without dead ends: 120 [2024-12-02 11:37:42,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:37:42,133 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:37:42,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 552 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:37:42,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-12-02 11:37:42,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-12-02 11:37:42,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.141025641025641) internal successors, (89), 79 states have internal predecessors, (89), 26 states have call successors, (26), 14 states have call predecessors, (26), 15 states have return successors, (26), 26 states have call predecessors, (26), 25 states have call successors, (26) [2024-12-02 11:37:42,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2024-12-02 11:37:42,173 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 108 [2024-12-02 11:37:42,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:37:42,174 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2024-12-02 11:37:42,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 11:37:42,175 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2024-12-02 11:37:42,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 11:37:42,178 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:37:42,178 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:37:42,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:37:42,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:37:42,379 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:37:42,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:37:42,380 INFO L85 PathProgramCache]: Analyzing trace with hash 141205177, now seen corresponding path program 1 times [2024-12-02 11:37:42,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:37:42,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65900037] [2024-12-02 11:37:42,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:42,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:37:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:37:49,771 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-12-02 11:37:49,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:37:49,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65900037] [2024-12-02 11:37:49,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65900037] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:37:49,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:37:49,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 11:37:49,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629235110] [2024-12-02 11:37:49,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:37:49,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 11:37:49,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:37:49,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 11:37:49,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:37:49,774 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-12-02 11:37:51,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:37:51,077 INFO L93 Difference]: Finished difference Result 224 states and 262 transitions. [2024-12-02 11:37:51,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 11:37:51,077 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 120 [2024-12-02 11:37:51,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:37:51,081 INFO L225 Difference]: With dead ends: 224 [2024-12-02 11:37:51,081 INFO L226 Difference]: Without dead ends: 125 [2024-12-02 11:37:51,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-12-02 11:37:51,083 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 20 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:37:51,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 900 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 11:37:51,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-12-02 11:37:51,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2024-12-02 11:37:51,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 80 states have (on average 1.1375) internal successors, (91), 81 states have internal predecessors, (91), 26 states have call successors, (26), 14 states have call predecessors, (26), 15 states have return successors, (26), 26 states have call predecessors, (26), 25 states have call successors, (26) [2024-12-02 11:37:51,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2024-12-02 11:37:51,099 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 120 [2024-12-02 11:37:51,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:37:51,099 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2024-12-02 11:37:51,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-12-02 11:37:51,099 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2024-12-02 11:37:51,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 11:37:51,101 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:37:51,102 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:37:51,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:37:51,102 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:37:51,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:37:51,103 INFO L85 PathProgramCache]: Analyzing trace with hash 585105851, now seen corresponding path program 1 times [2024-12-02 11:37:51,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:37:51,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010170462] [2024-12-02 11:37:51,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:51,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:37:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:37:56,887 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-12-02 11:37:56,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:37:56,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010170462] [2024-12-02 11:37:56,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010170462] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:37:56,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:37:56,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:37:56,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210992592] [2024-12-02 11:37:56,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:37:56,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:37:56,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:37:56,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:37:56,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:37:56,890 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-12-02 11:37:57,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:37:57,045 INFO L93 Difference]: Finished difference Result 225 states and 262 transitions. [2024-12-02 11:37:57,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:37:57,046 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 120 [2024-12-02 11:37:57,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:37:57,048 INFO L225 Difference]: With dead ends: 225 [2024-12-02 11:37:57,048 INFO L226 Difference]: Without dead ends: 120 [2024-12-02 11:37:57,049 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 11:37:57,050 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 13 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:37:57,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 498 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:37:57,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-12-02 11:37:57,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-12-02 11:37:57,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.1153846153846154) internal successors, (87), 79 states have internal predecessors, (87), 26 states have call successors, (26), 14 states have call predecessors, (26), 15 states have return successors, (26), 26 states have call predecessors, (26), 25 states have call successors, (26) [2024-12-02 11:37:57,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2024-12-02 11:37:57,064 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 120 [2024-12-02 11:37:57,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:37:57,064 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2024-12-02 11:37:57,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-12-02 11:37:57,065 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2024-12-02 11:37:57,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 11:37:57,067 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:37:57,068 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:37:57,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:37:57,068 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:37:57,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:37:57,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1775870708, now seen corresponding path program 1 times [2024-12-02 11:37:57,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:37:57,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114815239] [2024-12-02 11:37:57,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:57,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:38:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:38:03,256 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-12-02 11:38:03,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:38:03,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114815239] [2024-12-02 11:38:03,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114815239] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:38:03,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:38:03,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 11:38:03,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298670876] [2024-12-02 11:38:03,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:38:03,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:38:03,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:38:03,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:38:03,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:38:03,258 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-12-02 11:38:03,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:38:03,590 INFO L93 Difference]: Finished difference Result 218 states and 251 transitions. [2024-12-02 11:38:03,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:38:03,591 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 126 [2024-12-02 11:38:03,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:38:03,593 INFO L225 Difference]: With dead ends: 218 [2024-12-02 11:38:03,593 INFO L226 Difference]: Without dead ends: 120 [2024-12-02 11:38:03,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:38:03,595 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 2 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:38:03,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 750 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 11:38:03,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-12-02 11:38:03,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-12-02 11:38:03,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.1025641025641026) internal successors, (86), 79 states have internal predecessors, (86), 26 states have call successors, (26), 14 states have call predecessors, (26), 15 states have return successors, (26), 26 states have call predecessors, (26), 25 states have call successors, (26) [2024-12-02 11:38:03,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 138 transitions. [2024-12-02 11:38:03,608 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 138 transitions. Word has length 126 [2024-12-02 11:38:03,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:38:03,609 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 138 transitions. [2024-12-02 11:38:03,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-12-02 11:38:03,609 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2024-12-02 11:38:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 11:38:03,611 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:38:03,611 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:38:03,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:38:03,611 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:38:03,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:38:03,612 INFO L85 PathProgramCache]: Analyzing trace with hash 577905367, now seen corresponding path program 1 times [2024-12-02 11:38:03,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:38:03,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959749951] [2024-12-02 11:38:03,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:38:03,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:38:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:38:11,522 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-02 11:38:11,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:38:11,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959749951] [2024-12-02 11:38:11,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959749951] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:38:11,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905570348] [2024-12-02 11:38:11,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:38:11,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:38:11,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:38:11,525 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:38:11,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 11:38:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:38:29,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 4380 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-12-02 11:38:29,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:38:30,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 11:38:30,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 1 [2024-12-02 11:38:30,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 11:38:34,579 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:38:34,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 39 [2024-12-02 11:38:34,648 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:38:34,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 31 [2024-12-02 11:38:35,193 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 54 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-02 11:38:35,193 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:38:42,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905570348] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:38:42,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:38:42,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 19] total 23 [2024-12-02 11:38:42,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764674553] [2024-12-02 11:38:42,261 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 11:38:42,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-02 11:38:42,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:38:42,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-02 11:38:42,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1035, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 11:38:42,263 INFO L87 Difference]: Start difference. First operand 120 states and 138 transitions. Second operand has 23 states, 20 states have (on average 5.5) internal successors, (110), 20 states have internal predecessors, (110), 9 states have call successors, (36), 3 states have call predecessors, (36), 9 states have return successors, (35), 8 states have call predecessors, (35), 9 states have call successors, (35) [2024-12-02 11:38:45,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:38:45,090 INFO L93 Difference]: Finished difference Result 234 states and 269 transitions. [2024-12-02 11:38:45,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 11:38:45,091 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 20 states have (on average 5.5) internal successors, (110), 20 states have internal predecessors, (110), 9 states have call successors, (36), 3 states have call predecessors, (36), 9 states have return successors, (35), 8 states have call predecessors, (35), 9 states have call successors, (35) Word has length 133 [2024-12-02 11:38:45,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:38:45,092 INFO L225 Difference]: With dead ends: 234 [2024-12-02 11:38:45,092 INFO L226 Difference]: Without dead ends: 123 [2024-12-02 11:38:45,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 163 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=101, Invalid=1231, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 11:38:45,094 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 4 mSDsluCounter, 1680 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1799 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:38:45,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1799 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-12-02 11:38:45,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-12-02 11:38:45,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-12-02 11:38:45,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 80 states have (on average 1.1) internal successors, (88), 82 states have internal predecessors, (88), 26 states have call successors, (26), 14 states have call predecessors, (26), 16 states have return successors, (27), 26 states have call predecessors, (27), 25 states have call successors, (27) [2024-12-02 11:38:45,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 141 transitions. [2024-12-02 11:38:45,107 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 141 transitions. Word has length 133 [2024-12-02 11:38:45,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:38:45,107 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 141 transitions. [2024-12-02 11:38:45,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 20 states have (on average 5.5) internal successors, (110), 20 states have internal predecessors, (110), 9 states have call successors, (36), 3 states have call predecessors, (36), 9 states have return successors, (35), 8 states have call predecessors, (35), 9 states have call successors, (35) [2024-12-02 11:38:45,107 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2024-12-02 11:38:45,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 11:38:45,109 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:38:45,109 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:38:45,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 11:38:45,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:38:45,309 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:38:45,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:38:45,310 INFO L85 PathProgramCache]: Analyzing trace with hash 938079570, now seen corresponding path program 1 times [2024-12-02 11:38:45,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:38:45,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803893102] [2024-12-02 11:38:45,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:38:45,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:38:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:38:51,231 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-12-02 11:38:51,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:38:51,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803893102] [2024-12-02 11:38:51,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803893102] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:38:51,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303218150] [2024-12-02 11:38:51,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:38:51,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:38:51,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:38:51,233 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:38:51,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 11:38:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:38:56,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 4384 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-02 11:38:56,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:38:58,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 11:38:58,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 11:38:58,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 1 [2024-12-02 11:39:01,751 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 54 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-02 11:39:01,751 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:39:05,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303218150] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:39:05,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:39:05,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 17] total 21 [2024-12-02 11:39:05,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278732170] [2024-12-02 11:39:05,296 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 11:39:05,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 11:39:05,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:39:05,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 11:39:05,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2024-12-02 11:39:05,298 INFO L87 Difference]: Start difference. First operand 123 states and 141 transitions. Second operand has 21 states, 19 states have (on average 5.894736842105263) internal successors, (112), 20 states have internal predecessors, (112), 8 states have call successors, (36), 3 states have call predecessors, (36), 8 states have return successors, (35), 7 states have call predecessors, (35), 8 states have call successors, (35) [2024-12-02 11:39:15,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:39:15,151 INFO L93 Difference]: Finished difference Result 364 states and 417 transitions. [2024-12-02 11:39:15,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-02 11:39:15,152 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 5.894736842105263) internal successors, (112), 20 states have internal predecessors, (112), 8 states have call successors, (36), 3 states have call predecessors, (36), 8 states have return successors, (35), 7 states have call predecessors, (35), 8 states have call successors, (35) Word has length 135 [2024-12-02 11:39:15,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:39:15,153 INFO L225 Difference]: With dead ends: 364 [2024-12-02 11:39:15,153 INFO L226 Difference]: Without dead ends: 241 [2024-12-02 11:39:15,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=132, Invalid=1274, Unknown=0, NotChecked=0, Total=1406 [2024-12-02 11:39:15,155 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 90 mSDsluCounter, 2039 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 2191 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:39:15,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 2191 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2024-12-02 11:39:15,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-12-02 11:39:15,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 233. [2024-12-02 11:39:15,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 153 states have (on average 1.0980392156862746) internal successors, (168), 157 states have internal predecessors, (168), 48 states have call successors, (48), 26 states have call predecessors, (48), 31 states have return successors, (52), 49 states have call predecessors, (52), 46 states have call successors, (52) [2024-12-02 11:39:15,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 268 transitions. [2024-12-02 11:39:15,172 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 268 transitions. Word has length 135 [2024-12-02 11:39:15,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:39:15,172 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 268 transitions. [2024-12-02 11:39:15,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 5.894736842105263) internal successors, (112), 20 states have internal predecessors, (112), 8 states have call successors, (36), 3 states have call predecessors, (36), 8 states have return successors, (35), 7 states have call predecessors, (35), 8 states have call successors, (35) [2024-12-02 11:39:15,172 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 268 transitions. [2024-12-02 11:39:15,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 11:39:15,173 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:39:15,173 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:39:15,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 11:39:15,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:39:15,374 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:39:15,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:39:15,374 INFO L85 PathProgramCache]: Analyzing trace with hash -546690620, now seen corresponding path program 1 times [2024-12-02 11:39:15,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:39:15,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720053377] [2024-12-02 11:39:15,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:39:15,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:39:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:39:25,199 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-02 11:39:25,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:39:25,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720053377] [2024-12-02 11:39:25,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720053377] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:39:25,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910919269] [2024-12-02 11:39:25,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:39:25,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:39:25,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:39:25,201 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:39:25,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 11:39:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:39:40,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 4477 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-12-02 11:39:40,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:39:42,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 11:39:42,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 1 [2024-12-02 11:39:42,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 11:39:47,612 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 48 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-02 11:39:47,612 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:39:51,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910919269] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:39:51,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:39:51,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2024-12-02 11:39:51,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616017299] [2024-12-02 11:39:51,554 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 11:39:51,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-02 11:39:51,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:39:51,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-02 11:39:51,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=910, Unknown=0, NotChecked=0, Total=992 [2024-12-02 11:39:51,556 INFO L87 Difference]: Start difference. First operand 233 states and 268 transitions. Second operand has 27 states, 24 states have (on average 5.25) internal successors, (126), 23 states have internal predecessors, (126), 8 states have call successors, (38), 3 states have call predecessors, (38), 10 states have return successors, (37), 9 states have call predecessors, (37), 8 states have call successors, (37) [2024-12-02 11:39:57,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:40:10,029 WARN L539 Checker$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 11:40:17,052 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 11:40:18,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:18,141 INFO L93 Difference]: Finished difference Result 413 states and 460 transitions. [2024-12-02 11:40:18,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-02 11:40:18,141 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 24 states have (on average 5.25) internal successors, (126), 23 states have internal predecessors, (126), 8 states have call successors, (38), 3 states have call predecessors, (38), 10 states have return successors, (37), 9 states have call predecessors, (37), 8 states have call successors, (37) Word has length 143 [2024-12-02 11:40:18,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:18,144 INFO L225 Difference]: With dead ends: 413 [2024-12-02 11:40:18,144 INFO L226 Difference]: Without dead ends: 293 [2024-12-02 11:40:18,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=184, Invalid=2072, Unknown=0, NotChecked=0, Total=2256 [2024-12-02 11:40:18,146 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 100 mSDsluCounter, 3601 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 16 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 3798 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:18,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 3798 Invalid, 1405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1386 Invalid, 3 Unknown, 0 Unchecked, 22.2s Time] [2024-12-02 11:40:18,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-12-02 11:40:18,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 168. [2024-12-02 11:40:18,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 112 states have (on average 1.0892857142857142) internal successors, (122), 113 states have internal predecessors, (122), 32 states have call successors, (32), 22 states have call predecessors, (32), 23 states have return successors, (32), 32 states have call predecessors, (32), 31 states have call successors, (32) [2024-12-02 11:40:18,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 186 transitions. [2024-12-02 11:40:18,173 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 186 transitions. Word has length 143 [2024-12-02 11:40:18,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:18,174 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 186 transitions. [2024-12-02 11:40:18,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 24 states have (on average 5.25) internal successors, (126), 23 states have internal predecessors, (126), 8 states have call successors, (38), 3 states have call predecessors, (38), 10 states have return successors, (37), 9 states have call predecessors, (37), 8 states have call successors, (37) [2024-12-02 11:40:18,174 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 186 transitions. [2024-12-02 11:40:18,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 11:40:18,176 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:18,176 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:40:18,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-02 11:40:18,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:40:18,376 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:18,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:18,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1255849260, now seen corresponding path program 1 times [2024-12-02 11:40:18,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:18,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550789634] [2024-12-02 11:40:18,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:18,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:24,107 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-02 11:40:24,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:24,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550789634] [2024-12-02 11:40:24,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550789634] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:24,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:24,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:40:24,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020969223] [2024-12-02 11:40:24,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:24,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:40:24,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:24,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:40:24,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:40:24,108 INFO L87 Difference]: Start difference. First operand 168 states and 186 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 11:40:24,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:24,539 INFO L93 Difference]: Finished difference Result 223 states and 245 transitions. [2024-12-02 11:40:24,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:40:24,540 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 143 [2024-12-02 11:40:24,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:24,541 INFO L225 Difference]: With dead ends: 223 [2024-12-02 11:40:24,541 INFO L226 Difference]: Without dead ends: 168 [2024-12-02 11:40:24,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:40:24,542 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:24,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 596 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 11:40:24,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-12-02 11:40:24,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 163. [2024-12-02 11:40:24,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 108 states have (on average 1.0740740740740742) internal successors, (116), 109 states have internal predecessors, (116), 32 states have call successors, (32), 22 states have call predecessors, (32), 22 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-12-02 11:40:24,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 179 transitions. [2024-12-02 11:40:24,557 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 179 transitions. Word has length 143 [2024-12-02 11:40:24,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:24,557 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 179 transitions. [2024-12-02 11:40:24,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 11:40:24,558 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 179 transitions. [2024-12-02 11:40:24,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-12-02 11:40:24,559 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:24,559 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 11:40:24,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 11:40:24,559 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:24,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:24,559 INFO L85 PathProgramCache]: Analyzing trace with hash -811889631, now seen corresponding path program 1 times [2024-12-02 11:40:24,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:24,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095555318] [2024-12-02 11:40:24,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:24,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-12-02 11:40:34,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:34,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095555318] [2024-12-02 11:40:34,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095555318] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:40:34,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51259732] [2024-12-02 11:40:34,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:34,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:40:34,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:40:34,781 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:40:34,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 11:40:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:40,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 4570 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-12-02 11:40:40,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:40:43,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2024-12-02 11:40:43,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-02 11:40:43,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 11:40:49,810 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:40:49,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 44 [2024-12-02 11:40:51,546 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 70 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-02 11:40:51,546 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:40:59,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51259732] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:40:59,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:40:59,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 27] total 37 [2024-12-02 11:40:59,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095853208] [2024-12-02 11:40:59,647 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 11:40:59,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-12-02 11:40:59,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:59,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-12-02 11:40:59,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=1927, Unknown=0, NotChecked=0, Total=2070 [2024-12-02 11:40:59,648 INFO L87 Difference]: Start difference. First operand 163 states and 179 transitions. Second operand has 37 states, 33 states have (on average 4.0606060606060606) internal successors, (134), 30 states have internal predecessors, (134), 11 states have call successors, (38), 4 states have call predecessors, (38), 14 states have return successors, (37), 12 states have call predecessors, (37), 11 states have call successors, (37) [2024-12-02 11:41:14,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:41:14,281 INFO L93 Difference]: Finished difference Result 321 states and 351 transitions. [2024-12-02 11:41:14,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-02 11:41:14,281 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 33 states have (on average 4.0606060606060606) internal successors, (134), 30 states have internal predecessors, (134), 11 states have call successors, (38), 4 states have call predecessors, (38), 14 states have return successors, (37), 12 states have call predecessors, (37), 11 states have call successors, (37) Word has length 149 [2024-12-02 11:41:14,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:41:14,283 INFO L225 Difference]: With dead ends: 321 [2024-12-02 11:41:14,283 INFO L226 Difference]: Without dead ends: 174 [2024-12-02 11:41:14,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 181 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 705 ImplicationChecksByTransitivity, 17.7s TimeCoverageRelationStatistics Valid=265, Invalid=3517, Unknown=0, NotChecked=0, Total=3782 [2024-12-02 11:41:14,284 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 17 mSDsluCounter, 3421 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 3551 SdHoareTripleChecker+Invalid, 1374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2024-12-02 11:41:14,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 3551 Invalid, 1374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2024-12-02 11:41:14,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-12-02 11:41:14,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-12-02 11:41:14,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 116 states have (on average 1.0603448275862069) internal successors, (123), 118 states have internal predecessors, (123), 32 states have call successors, (32), 22 states have call predecessors, (32), 25 states have return successors, (34), 33 states have call predecessors, (34), 31 states have call successors, (34) [2024-12-02 11:41:14,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 189 transitions. [2024-12-02 11:41:14,299 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 189 transitions. Word has length 149 [2024-12-02 11:41:14,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:41:14,300 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 189 transitions. [2024-12-02 11:41:14,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 33 states have (on average 4.0606060606060606) internal successors, (134), 30 states have internal predecessors, (134), 11 states have call successors, (38), 4 states have call predecessors, (38), 14 states have return successors, (37), 12 states have call predecessors, (37), 11 states have call successors, (37) [2024-12-02 11:41:14,300 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 189 transitions. [2024-12-02 11:41:14,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-12-02 11:41:14,301 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:41:14,301 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 11:41:14,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 11:41:14,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:41:14,501 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:41:14,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:41:14,502 INFO L85 PathProgramCache]: Analyzing trace with hash 924203457, now seen corresponding path program 1 times [2024-12-02 11:41:14,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:41:14,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087104215] [2024-12-02 11:41:14,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:41:14,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:41:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:41:26,564 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-12-02 11:41:26,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:41:26,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087104215] [2024-12-02 11:41:26,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087104215] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:41:26,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:41:26,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 11:41:26,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279772554] [2024-12-02 11:41:26,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:41:26,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 11:41:26,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:41:26,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 11:41:26,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-12-02 11:41:26,566 INFO L87 Difference]: Start difference. First operand 174 states and 189 transitions. Second operand has 15 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 8 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (22), 9 states have call predecessors, (22), 8 states have call successors, (22) [2024-12-02 11:41:29,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:41:29,005 INFO L93 Difference]: Finished difference Result 248 states and 268 transitions. [2024-12-02 11:41:29,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 11:41:29,006 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 8 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (22), 9 states have call predecessors, (22), 8 states have call successors, (22) Word has length 153 [2024-12-02 11:41:29,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:41:29,007 INFO L225 Difference]: With dead ends: 248 [2024-12-02 11:41:29,008 INFO L226 Difference]: Without dead ends: 195 [2024-12-02 11:41:29,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2024-12-02 11:41:29,009 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 26 mSDsluCounter, 1416 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 1534 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 11:41:29,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 1534 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 11:41:29,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-12-02 11:41:29,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 185. [2024-12-02 11:41:29,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 124 states have (on average 1.0564516129032258) internal successors, (131), 126 states have internal predecessors, (131), 33 states have call successors, (33), 22 states have call predecessors, (33), 27 states have return successors, (37), 36 states have call predecessors, (37), 32 states have call successors, (37) [2024-12-02 11:41:29,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 201 transitions. [2024-12-02 11:41:29,032 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 201 transitions. Word has length 153 [2024-12-02 11:41:29,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:41:29,033 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 201 transitions. [2024-12-02 11:41:29,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 8 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (22), 9 states have call predecessors, (22), 8 states have call successors, (22) [2024-12-02 11:41:29,033 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 201 transitions. [2024-12-02 11:41:29,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 11:41:29,033 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:41:29,034 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:41:29,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 11:41:29,034 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:41:29,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:41:29,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1504030599, now seen corresponding path program 1 times [2024-12-02 11:41:29,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:41:29,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049107730] [2024-12-02 11:41:29,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:41:29,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:41:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:41:33,985 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-12-02 11:41:33,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:41:33,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049107730] [2024-12-02 11:41:33,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049107730] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:41:33,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:41:33,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 11:41:33,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195186297] [2024-12-02 11:41:33,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:41:33,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:41:33,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:41:33,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:41:33,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:41:33,987 INFO L87 Difference]: Start difference. First operand 185 states and 201 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 11:41:34,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:41:34,151 INFO L93 Difference]: Finished difference Result 315 states and 341 transitions. [2024-12-02 11:41:34,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:41:34,152 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) Word has length 159 [2024-12-02 11:41:34,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:41:34,153 INFO L225 Difference]: With dead ends: 315 [2024-12-02 11:41:34,153 INFO L226 Difference]: Without dead ends: 170 [2024-12-02 11:41:34,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:41:34,154 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:41:34,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 767 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:41:34,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-12-02 11:41:34,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2024-12-02 11:41:34,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 114 states have (on average 1.0350877192982457) internal successors, (118), 116 states have internal predecessors, (118), 30 states have call successors, (30), 22 states have call predecessors, (30), 25 states have return successors, (32), 31 states have call predecessors, (32), 29 states have call successors, (32) [2024-12-02 11:41:34,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 180 transitions. [2024-12-02 11:41:34,168 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 180 transitions. Word has length 159 [2024-12-02 11:41:34,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:41:34,169 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 180 transitions. [2024-12-02 11:41:34,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 11:41:34,169 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 180 transitions. [2024-12-02 11:41:34,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 11:41:34,170 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:41:34,170 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 11:41:34,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 11:41:34,170 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:41:34,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:41:34,170 INFO L85 PathProgramCache]: Analyzing trace with hash -399033120, now seen corresponding path program 1 times [2024-12-02 11:41:34,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:41:34,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147649503] [2024-12-02 11:41:34,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:41:34,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:41:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 11:41:41,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [133384427] [2024-12-02 11:41:41,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:41:41,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:41:41,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:41:41,138 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:41:41,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac8a84b-42c6-43cf-956a-2e8fc63a92bd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process