./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_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_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 60df7e35dcff08963d901f2f5294003ca0b3fa53fdb8a894278bffc5d6309871 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:19:44,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:19:44,773 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 03:19:44,783 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:19:44,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:19:44,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:19:44,813 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:19:44,813 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:19:44,813 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:19:44,814 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:19:44,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:19:44,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:19:44,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:19:44,815 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:19:44,815 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:19:44,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:19:44,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:19:44,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:19:44,816 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:19:44,816 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:19:44,816 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:19:44,816 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:19:44,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:19:44,816 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:19:44,816 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:19:44,817 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:19:44,817 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:19:44,817 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:19:44,817 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:19:44,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:19:44,817 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:19:44,817 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:19:44,817 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:19:44,817 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:19:44,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:19:44,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:19:44,818 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:19:44,818 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:19:44,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:19:44,818 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:19:44,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:19:44,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:19:44,818 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:19:44,818 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:19:44,819 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:19:44,819 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_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60df7e35dcff08963d901f2f5294003ca0b3fa53fdb8a894278bffc5d6309871 [2024-11-28 03:19:45,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:19:45,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:19:45,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:19:45,141 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:19:45,141 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:19:45,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness_negated.i [2024-11-28 03:19:48,766 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/data/da3c6111c/795af2a876fa4cadb134ef180306dccf/FLAG5a1344f78 [2024-11-28 03:19:49,497 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:19:49,501 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness_negated.i [2024-11-28 03:19:49,576 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/data/da3c6111c/795af2a876fa4cadb134ef180306dccf/FLAG5a1344f78 [2024-11-28 03:19:49,604 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/data/da3c6111c/795af2a876fa4cadb134ef180306dccf [2024-11-28 03:19:49,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:19:49,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:19:49,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:19:49,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:19:49,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:19:49,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:49" (1/1) ... [2024-11-28 03:19:49,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46801c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:49, skipping insertion in model container [2024-11-28 03:19:49,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:49" (1/1) ... [2024-11-28 03:19:49,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:19:50,215 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_cfa081e3-2dd7-467b-bad4-691020935ab4/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness_negated.i[4494,4507] [2024-11-28 03:19:50,224 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_cfa081e3-2dd7-467b-bad4-691020935ab4/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness_negated.i[4554,4567] [2024-11-28 03:19:51,598 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:51,600 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:51,600 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:51,602 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:51,603 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:51,625 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:51,626 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:51,629 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:51,630 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:51,633 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:51,635 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:51,636 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:51,636 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,112 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,113 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,140 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,141 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,148 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,149 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,166 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,167 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,168 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,168 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,169 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,169 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,170 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,218 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_cfa081e3-2dd7-467b-bad4-691020935ab4/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness_negated.i[228285,228298] [2024-11-28 03:19:53,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:19:53,269 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:19:53,288 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_cfa081e3-2dd7-467b-bad4-691020935ab4/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness_negated.i[4494,4507] [2024-11-28 03:19:53,289 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_cfa081e3-2dd7-467b-bad4-691020935ab4/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness_negated.i[4554,4567] [2024-11-28 03:19:53,424 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,425 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,425 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,425 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,429 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,444 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,445 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,446 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,446 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,447 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,448 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,448 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,448 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2024-11-28 03:19:53,708 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,708 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,721 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,722 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,726 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,726 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,738 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,739 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,739 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,741 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,741 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,742 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,742 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 03:19:53,823 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_cfa081e3-2dd7-467b-bad4-691020935ab4/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness_negated.i[228285,228298] [2024-11-28 03:19:53,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:19:54,250 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:19:54,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:54 WrapperNode [2024-11-28 03:19:54,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:19:54,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:19:54,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:19:54,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:19:54,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:54" (1/1) ... [2024-11-28 03:19:54,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:54" (1/1) ... [2024-11-28 03:19:54,534 INFO L138 Inliner]: procedures = 763, calls = 2455, calls flagged for inlining = 67, calls inlined = 11, statements flattened = 749 [2024-11-28 03:19:54,534 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:19:54,535 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:19:54,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:19:54,535 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:19:54,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:54" (1/1) ... [2024-11-28 03:19:54,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:54" (1/1) ... [2024-11-28 03:19:54,560 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:54" (1/1) ... [2024-11-28 03:19:54,706 INFO L175 MemorySlicer]: Split 348 memory accesses to 9 slices as follows [238, 2, 2, 45, 2, 13, 40, 1, 5]. 68 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [6, 2, 0, 0, 0, 0, 9, 0, 5]. The 246 writes are split as follows [232, 0, 1, 6, 1, 1, 4, 1, 0]. [2024-11-28 03:19:54,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:54" (1/1) ... [2024-11-28 03:19:54,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:54" (1/1) ... [2024-11-28 03:19:54,797 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:54" (1/1) ... [2024-11-28 03:19:54,804 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:54" (1/1) ... [2024-11-28 03:19:54,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:54" (1/1) ... [2024-11-28 03:19:54,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:54" (1/1) ... [2024-11-28 03:19:54,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:54" (1/1) ... [2024-11-28 03:19:54,862 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:19:54,863 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:19:54,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:19:54,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:19:54,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:54" (1/1) ... [2024-11-28 03:19:54,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:19:54,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:54,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:19:54,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:19:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-28 03:19:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-28 03:19:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-28 03:19:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-28 03:19:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-28 03:19:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-28 03:19:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-28 03:19:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-28 03:19:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-28 03:19:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:19:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-28 03:19:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-28 03:19:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 03:19:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 03:19:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 03:19:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 03:19:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 03:19:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 03:19:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 03:19:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 03:19:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 03:19:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:19:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:19:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:19:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:19:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:19:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:19:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 03:19:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 03:19:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 03:19:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-28 03:19:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-28 03:19:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 03:19:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 03:19:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2024-11-28 03:19:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2024-11-28 03:19:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:19:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:19:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2024-11-28 03:19:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2024-11-28 03:19:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:19:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:19:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:19:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 03:19:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 03:19:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 03:19:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 03:19:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 03:19:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 03:19:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 03:19:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 03:19:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:19:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:19:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-28 03:19:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-28 03:19:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-28 03:19:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-28 03:19:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 03:19:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 03:19:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 03:19:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 03:19:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 03:19:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 03:19:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 03:19:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 03:19:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 03:19:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 03:19:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 03:19:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 03:19:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-28 03:19:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-28 03:19:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-28 03:19:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-28 03:19:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-28 03:19:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-28 03:19:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 03:19:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 03:19:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 03:19:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-28 03:19:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-28 03:19:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-28 03:19:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-28 03:19:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-28 03:19:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-28 03:19:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:19:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:19:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:19:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2024-11-28 03:19:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2024-11-28 03:19:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-28 03:19:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-28 03:19:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:19:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:19:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:19:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 03:19:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 03:19:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 03:19:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 03:19:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 03:19:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 03:19:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2024-11-28 03:19:54,979 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2024-11-28 03:19:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 03:19:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 03:19:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 03:19:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 03:19:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 03:19:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 03:19:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 03:19:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 03:19:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 03:19:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-28 03:19:54,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-28 03:19:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-28 03:19:54,980 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-28 03:19:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-28 03:19:54,980 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-28 03:19:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2024-11-28 03:19:54,980 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2024-11-28 03:19:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:19:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:19:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:19:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:19:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:19:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:19:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 03:19:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 03:19:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 03:19:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_delete [2024-11-28 03:19:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_delete [2024-11-28 03:19:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:19:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:19:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:19:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:19:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:19:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:19:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 03:19:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 03:19:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 03:19:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2024-11-28 03:19:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2024-11-28 03:19:55,627 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:19:55,632 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:19:55,774 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-28 03:19:55,780 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-28 03:19:56,057 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2024-11-28 03:19:56,057 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2024-11-28 03:19:56,057 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume !false; [2024-11-28 03:19:56,057 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##48: assume false; [2024-11-28 03:20:02,926 INFO L? ?]: Removed 222 outVars from TransFormulas that were not future-live. [2024-11-28 03:20:02,926 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:20:02,949 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:20:02,950 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-28 03:20:02,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:02 BoogieIcfgContainer [2024-11-28 03:20:02,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:20:02,958 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:20:02,958 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:20:02,964 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:20:02,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:19:49" (1/3) ... [2024-11-28 03:20:02,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96053b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:02, skipping insertion in model container [2024-11-28 03:20:02,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:54" (2/3) ... [2024-11-28 03:20:02,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96053b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:02, skipping insertion in model container [2024-11-28 03:20:02,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:02" (3/3) ... [2024-11-28 03:20:02,969 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_delete_harness_negated.i [2024-11-28 03:20:02,989 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:20:02,991 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_iter_delete_harness_negated.i that has 28 procedures, 255 locations, 1 initial locations, 13 loop locations, and 1 error locations. [2024-11-28 03:20:03,081 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:20:03,100 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;@2d00c43d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:20:03,100 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:20:03,107 INFO L276 IsEmpty]: Start isEmpty. Operand has 223 states, 150 states have (on average 1.2866666666666666) internal successors, (193), 149 states have internal predecessors, (193), 54 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-28 03:20:03,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-28 03:20:03,133 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:20:03,134 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:20:03,135 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:20:03,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:03,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1747756472, now seen corresponding path program 1 times [2024-11-28 03:20:03,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:03,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438113834] [2024-11-28 03:20:03,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:03,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:13,698 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2024-11-28 03:20:13,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:13,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438113834] [2024-11-28 03:20:13,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438113834] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:20:13,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077493278] [2024-11-28 03:20:13,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:13,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:13,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:13,705 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:20:13,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:20:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:22,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 4548 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:20:22,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:20:22,332 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2024-11-28 03:20:22,332 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:20:22,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077493278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:22,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:20:22,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:20:22,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50922142] [2024-11-28 03:20:22,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:22,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:20:22,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:22,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:20:22,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:20:22,368 INFO L87 Difference]: Start difference. First operand has 223 states, 150 states have (on average 1.2866666666666666) internal successors, (193), 149 states have internal predecessors, (193), 54 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 03:20:22,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:20:22,435 INFO L93 Difference]: Finished difference Result 441 states and 636 transitions. [2024-11-28 03:20:22,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:20:22,437 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 203 [2024-11-28 03:20:22,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:20:22,448 INFO L225 Difference]: With dead ends: 441 [2024-11-28 03:20:22,448 INFO L226 Difference]: Without dead ends: 218 [2024-11-28 03:20:22,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:20:22,457 INFO L435 NwaCegarLoop]: 292 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:20:22,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:20:22,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-28 03:20:22,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2024-11-28 03:20:22,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 144 states have (on average 1.25) internal successors, (180), 145 states have internal predecessors, (180), 54 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-28 03:20:22,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 287 transitions. [2024-11-28 03:20:22,549 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 287 transitions. Word has length 203 [2024-11-28 03:20:22,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:20:22,550 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 287 transitions. [2024-11-28 03:20:22,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 03:20:22,556 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 287 transitions. [2024-11-28 03:20:22,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-28 03:20:22,565 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:20:22,565 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:20:22,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 03:20:22,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:22,766 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:20:22,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:22,767 INFO L85 PathProgramCache]: Analyzing trace with hash 898608514, now seen corresponding path program 1 times [2024-11-28 03:20:22,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:22,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997192169] [2024-11-28 03:20:22,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:22,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2024-11-28 03:20:31,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:31,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997192169] [2024-11-28 03:20:31,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997192169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:31,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:31,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:20:31,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080662379] [2024-11-28 03:20:31,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:31,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:20:31,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:31,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:20:31,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:20:31,593 INFO L87 Difference]: Start difference. First operand 218 states and 287 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 03:20:31,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:20:31,793 INFO L93 Difference]: Finished difference Result 399 states and 529 transitions. [2024-11-28 03:20:31,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:20:31,794 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 203 [2024-11-28 03:20:31,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:20:31,797 INFO L225 Difference]: With dead ends: 399 [2024-11-28 03:20:31,798 INFO L226 Difference]: Without dead ends: 223 [2024-11-28 03:20:31,799 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:20:31,800 INFO L435 NwaCegarLoop]: 284 mSDtfsCounter, 0 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1132 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 [2024-11-28 03:20:31,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1132 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:20:31,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-28 03:20:31,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-11-28 03:20:31,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 148 states have (on average 1.2432432432432432) internal successors, (184), 149 states have internal predecessors, (184), 54 states have call successors, (54), 19 states have call predecessors, (54), 20 states have return successors, (54), 54 states have call predecessors, (54), 53 states have call successors, (54) [2024-11-28 03:20:31,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 292 transitions. [2024-11-28 03:20:31,826 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 292 transitions. Word has length 203 [2024-11-28 03:20:31,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:20:31,826 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 292 transitions. [2024-11-28 03:20:31,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 03:20:31,827 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 292 transitions. [2024-11-28 03:20:31,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-28 03:20:31,831 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:20:31,832 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:20:31,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:20:31,832 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:20:31,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:31,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1706772534, now seen corresponding path program 1 times [2024-11-28 03:20:31,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:31,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044593068] [2024-11-28 03:20:31,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:31,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:44,553 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2024-11-28 03:20:44,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:44,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044593068] [2024-11-28 03:20:44,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044593068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:44,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:44,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:20:44,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669702800] [2024-11-28 03:20:44,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:44,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:20:44,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:44,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:20:44,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:20:44,559 INFO L87 Difference]: Start difference. First operand 223 states and 292 transitions. Second operand has 10 states, 10 states have (on average 7.8) internal successors, (78), 9 states have internal predecessors, (78), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2024-11-28 03:20:46,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:20:46,102 INFO L93 Difference]: Finished difference Result 393 states and 522 transitions. [2024-11-28 03:20:46,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:20:46,103 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 9 states have internal predecessors, (78), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) Word has length 209 [2024-11-28 03:20:46,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:20:46,113 INFO L225 Difference]: With dead ends: 393 [2024-11-28 03:20:46,116 INFO L226 Difference]: Without dead ends: 231 [2024-11-28 03:20:46,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:20:46,118 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 22 mSDsluCounter, 1542 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 1816 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:20:46,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 1816 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 03:20:46,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-28 03:20:46,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2024-11-28 03:20:46,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 152 states have (on average 1.243421052631579) internal successors, (189), 154 states have internal predecessors, (189), 54 states have call successors, (54), 19 states have call predecessors, (54), 21 states have return successors, (55), 54 states have call predecessors, (55), 53 states have call successors, (55) [2024-11-28 03:20:46,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 298 transitions. [2024-11-28 03:20:46,166 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 298 transitions. Word has length 209 [2024-11-28 03:20:46,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:20:46,167 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 298 transitions. [2024-11-28 03:20:46,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 9 states have internal predecessors, (78), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2024-11-28 03:20:46,168 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 298 transitions. [2024-11-28 03:20:46,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-28 03:20:46,173 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:20:46,174 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:20:46,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:20:46,174 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:20:46,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:46,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1166343028, now seen corresponding path program 1 times [2024-11-28 03:20:46,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:46,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948157847] [2024-11-28 03:20:46,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:46,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:53,590 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2024-11-28 03:20:53,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:53,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948157847] [2024-11-28 03:20:53,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948157847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:53,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:53,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:20:53,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014040858] [2024-11-28 03:20:53,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:53,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:20:53,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:53,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:20:53,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:20:53,595 INFO L87 Difference]: Start difference. First operand 228 states and 298 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-28 03:20:53,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:20:53,859 INFO L93 Difference]: Finished difference Result 400 states and 530 transitions. [2024-11-28 03:20:53,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:20:53,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 209 [2024-11-28 03:20:53,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:20:53,863 INFO L225 Difference]: With dead ends: 400 [2024-11-28 03:20:53,863 INFO L226 Difference]: Without dead ends: 233 [2024-11-28 03:20:53,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:20:53,865 INFO L435 NwaCegarLoop]: 285 mSDtfsCounter, 21 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:20:53,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 805 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:20:53,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-28 03:20:53,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 230. [2024-11-28 03:20:53,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 153 states have (on average 1.2418300653594772) internal successors, (190), 155 states have internal predecessors, (190), 55 states have call successors, (55), 19 states have call predecessors, (55), 21 states have return successors, (56), 55 states have call predecessors, (56), 54 states have call successors, (56) [2024-11-28 03:20:53,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 301 transitions. [2024-11-28 03:20:53,886 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 301 transitions. Word has length 209 [2024-11-28 03:20:53,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:20:53,887 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 301 transitions. [2024-11-28 03:20:53,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-28 03:20:53,887 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 301 transitions. [2024-11-28 03:20:53,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-28 03:20:53,891 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:20:53,892 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:20:53,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:20:53,892 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:20:53,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:53,893 INFO L85 PathProgramCache]: Analyzing trace with hash 209901495, now seen corresponding path program 1 times [2024-11-28 03:20:53,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:53,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243330638] [2024-11-28 03:20:53,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:53,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:03,297 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2024-11-28 03:21:03,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:03,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243330638] [2024-11-28 03:21:03,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243330638] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:21:03,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143053988] [2024-11-28 03:21:03,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:03,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:03,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:03,304 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:21:03,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:21:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:11,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 4576 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:21:11,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:21:11,932 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 15 proven. 39 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-11-28 03:21:11,932 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:21:13,675 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 03:21:13,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143053988] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:21:13,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:21:13,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 8] total 15 [2024-11-28 03:21:13,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406794590] [2024-11-28 03:21:13,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:13,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:21:13,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:13,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:21:13,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:21:13,680 INFO L87 Difference]: Start difference. First operand 230 states and 301 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 03:21:14,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:14,077 INFO L93 Difference]: Finished difference Result 238 states and 309 transitions. [2024-11-28 03:21:14,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:21:14,078 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2024-11-28 03:21:14,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:14,082 INFO L225 Difference]: With dead ends: 238 [2024-11-28 03:21:14,082 INFO L226 Difference]: Without dead ends: 236 [2024-11-28 03:21:14,083 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:21:14,084 INFO L435 NwaCegarLoop]: 284 mSDtfsCounter, 3 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:14,084 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1124 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:21:14,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-28 03:21:14,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 235. [2024-11-28 03:21:14,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 156 states have (on average 1.2371794871794872) internal successors, (193), 159 states have internal predecessors, (193), 56 states have call successors, (56), 20 states have call predecessors, (56), 22 states have return successors, (57), 55 states have call predecessors, (57), 55 states have call successors, (57) [2024-11-28 03:21:14,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 306 transitions. [2024-11-28 03:21:14,125 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 306 transitions. Word has length 215 [2024-11-28 03:21:14,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:14,127 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 306 transitions. [2024-11-28 03:21:14,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 03:21:14,128 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 306 transitions. [2024-11-28 03:21:14,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-28 03:21:14,134 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:14,134 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:21:14,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:21:14,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:14,338 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:21:14,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:14,339 INFO L85 PathProgramCache]: Analyzing trace with hash -181544597, now seen corresponding path program 1 times [2024-11-28 03:21:14,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:14,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881710713] [2024-11-28 03:21:14,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:14,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:23,720 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 706 trivial. 0 not checked. [2024-11-28 03:21:23,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:23,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881710713] [2024-11-28 03:21:23,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881710713] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:21:23,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938029777] [2024-11-28 03:21:23,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:23,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:23,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:23,723 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:21:23,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:21:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:31,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 4596 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 03:21:31,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:21:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2024-11-28 03:21:32,972 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:21:35,196 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 709 trivial. 0 not checked. [2024-11-28 03:21:35,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938029777] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:21:35,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:21:35,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7, 10] total 19 [2024-11-28 03:21:35,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528156043] [2024-11-28 03:21:35,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:35,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:21:35,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:35,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:21:35,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2024-11-28 03:21:35,203 INFO L87 Difference]: Start difference. First operand 235 states and 306 transitions. Second operand has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-28 03:21:35,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:35,628 INFO L93 Difference]: Finished difference Result 246 states and 322 transitions. [2024-11-28 03:21:35,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:21:35,629 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) Word has length 221 [2024-11-28 03:21:35,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:35,632 INFO L225 Difference]: With dead ends: 246 [2024-11-28 03:21:35,633 INFO L226 Difference]: Without dead ends: 244 [2024-11-28 03:21:35,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2024-11-28 03:21:35,634 INFO L435 NwaCegarLoop]: 283 mSDtfsCounter, 3 mSDsluCounter, 1399 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1682 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:35,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1682 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:21:35,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-28 03:21:35,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 238. [2024-11-28 03:21:35,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 158 states have (on average 1.2341772151898733) internal successors, (195), 161 states have internal predecessors, (195), 56 states have call successors, (56), 20 states have call predecessors, (56), 23 states have return successors, (63), 56 states have call predecessors, (63), 55 states have call successors, (63) [2024-11-28 03:21:35,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 314 transitions. [2024-11-28 03:21:35,655 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 314 transitions. Word has length 221 [2024-11-28 03:21:35,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:35,656 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 314 transitions. [2024-11-28 03:21:35,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-28 03:21:35,657 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 314 transitions. [2024-11-28 03:21:35,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-28 03:21:35,661 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:35,661 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:21:35,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 03:21:35,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-28 03:21:35,862 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:21:35,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:35,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1877163902, now seen corresponding path program 1 times [2024-11-28 03:21:35,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:35,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587517436] [2024-11-28 03:21:35,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:35,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:44,001 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2024-11-28 03:21:44,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:44,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587517436] [2024-11-28 03:21:44,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587517436] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:21:44,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155680766] [2024-11-28 03:21:44,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:44,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:44,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:44,003 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:21:44,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:21:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:52,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 4628 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-28 03:21:52,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:21:53,114 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 706 trivial. 0 not checked. [2024-11-28 03:21:53,114 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:21:55,732 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2024-11-28 03:21:55,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155680766] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:21:55,732 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:21:55,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 12 [2024-11-28 03:21:55,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278139959] [2024-11-28 03:21:55,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:21:55,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:21:55,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:55,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:21:55,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:21:55,735 INFO L87 Difference]: Start difference. First operand 238 states and 314 transitions. Second operand has 12 states, 11 states have (on average 11.363636363636363) internal successors, (125), 12 states have internal predecessors, (125), 6 states have call successors, (65), 2 states have call predecessors, (65), 4 states have return successors, (61), 5 states have call predecessors, (61), 6 states have call successors, (61) [2024-11-28 03:21:58,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:58,578 INFO L93 Difference]: Finished difference Result 465 states and 643 transitions. [2024-11-28 03:21:58,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:21:58,579 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 11.363636363636363) internal successors, (125), 12 states have internal predecessors, (125), 6 states have call successors, (65), 2 states have call predecessors, (65), 4 states have return successors, (61), 5 states have call predecessors, (61), 6 states have call successors, (61) Word has length 228 [2024-11-28 03:21:58,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:58,583 INFO L225 Difference]: With dead ends: 465 [2024-11-28 03:21:58,583 INFO L226 Difference]: Without dead ends: 288 [2024-11-28 03:21:58,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 451 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:21:58,585 INFO L435 NwaCegarLoop]: 266 mSDtfsCounter, 43 mSDsluCounter, 2333 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 2599 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:58,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 2599 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-28 03:21:58,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-28 03:21:58,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 278. [2024-11-28 03:21:58,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 187 states have (on average 1.2459893048128343) internal successors, (233), 188 states have internal predecessors, (233), 67 states have call successors, (67), 22 states have call predecessors, (67), 23 states have return successors, (72), 67 states have call predecessors, (72), 66 states have call successors, (72) [2024-11-28 03:21:58,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 372 transitions. [2024-11-28 03:21:58,609 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 372 transitions. Word has length 228 [2024-11-28 03:21:58,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:58,609 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 372 transitions. [2024-11-28 03:21:58,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 11.363636363636363) internal successors, (125), 12 states have internal predecessors, (125), 6 states have call successors, (65), 2 states have call predecessors, (65), 4 states have return successors, (61), 5 states have call predecessors, (61), 6 states have call successors, (61) [2024-11-28 03:21:58,610 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 372 transitions. [2024-11-28 03:21:58,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-28 03:21:58,612 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:58,613 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:21:58,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 03:21:58,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-28 03:21:58,813 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:21:58,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:58,814 INFO L85 PathProgramCache]: Analyzing trace with hash -734527113, now seen corresponding path program 1 times [2024-11-28 03:21:58,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:58,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624471292] [2024-11-28 03:21:58,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:58,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:09,485 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 41 proven. 15 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2024-11-28 03:22:09,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:09,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624471292] [2024-11-28 03:22:09,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624471292] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:22:09,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839122702] [2024-11-28 03:22:09,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:09,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:09,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:22:09,490 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:22:09,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:22:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:18,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 4724 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-28 03:22:18,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:22:18,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2024-11-28 03:22:20,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2024-11-28 03:22:20,628 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2024-11-28 03:22:20,628 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:22:20,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839122702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:20,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:22:20,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2024-11-28 03:22:20,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570239933] [2024-11-28 03:22:20,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:20,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:22:20,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:20,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:22:20,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:22:20,632 INFO L87 Difference]: Start difference. First operand 278 states and 372 transitions. Second operand has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 11 states have internal predecessors, (100), 5 states have call successors, (41), 4 states have call predecessors, (41), 5 states have return successors, (38), 5 states have call predecessors, (38), 5 states have call successors, (38) [2024-11-28 03:22:25,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:22:31,617 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] [2024-11-28 03:22:35,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:22:35,948 INFO L93 Difference]: Finished difference Result 583 states and 799 transitions. [2024-11-28 03:22:35,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 03:22:35,949 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 11 states have internal predecessors, (100), 5 states have call successors, (41), 4 states have call predecessors, (41), 5 states have return successors, (38), 5 states have call predecessors, (38), 5 states have call successors, (38) Word has length 249 [2024-11-28 03:22:35,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:22:35,955 INFO L225 Difference]: With dead ends: 583 [2024-11-28 03:22:35,955 INFO L226 Difference]: Without dead ends: 475 [2024-11-28 03:22:35,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 239 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=109, Invalid=761, Unknown=0, NotChecked=0, Total=870 [2024-11-28 03:22:35,958 INFO L435 NwaCegarLoop]: 347 mSDtfsCounter, 249 mSDsluCounter, 3047 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 32 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 3394 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:22:35,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 3394 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 743 Invalid, 2 Unknown, 0 Unchecked, 13.3s Time] [2024-11-28 03:22:35,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-28 03:22:36,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 466. [2024-11-28 03:22:36,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 315 states have (on average 1.2507936507936508) internal successors, (394), 319 states have internal predecessors, (394), 109 states have call successors, (109), 36 states have call predecessors, (109), 41 states have return successors, (141), 110 states have call predecessors, (141), 107 states have call successors, (141) [2024-11-28 03:22:36,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 644 transitions. [2024-11-28 03:22:36,026 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 644 transitions. Word has length 249 [2024-11-28 03:22:36,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:22:36,031 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 644 transitions. [2024-11-28 03:22:36,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 11 states have internal predecessors, (100), 5 states have call successors, (41), 4 states have call predecessors, (41), 5 states have return successors, (38), 5 states have call predecessors, (38), 5 states have call successors, (38) [2024-11-28 03:22:36,031 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 644 transitions. [2024-11-28 03:22:36,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-28 03:22:36,041 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:36,042 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:36,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:22:36,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:36,242 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:22:36,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:36,243 INFO L85 PathProgramCache]: Analyzing trace with hash 632032769, now seen corresponding path program 1 times [2024-11-28 03:22:36,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:36,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30497978] [2024-11-28 03:22:36,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:36,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:46,240 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 41 proven. 15 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2024-11-28 03:22:46,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:46,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30497978] [2024-11-28 03:22:46,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30497978] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:22:46,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780955381] [2024-11-28 03:22:46,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:46,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:46,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:22:46,244 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:22:46,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:22:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:55,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 4732 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-28 03:22:55,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:22:58,570 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:22:58,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 33 treesize of output 26 [2024-11-28 03:23:00,870 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 326 proven. 6 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2024-11-28 03:23:00,870 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:23:06,731 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 03:23:06,731 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 24 treesize of output 19 [2024-11-28 03:23:07,792 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 28 proven. 27 refuted. 0 times theorem prover too weak. 724 trivial. 0 not checked. [2024-11-28 03:23:07,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780955381] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:23:07,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:23:07,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 17, 16] total 32 [2024-11-28 03:23:07,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332921104] [2024-11-28 03:23:07,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:23:07,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-28 03:23:07,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:07,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-28 03:23:07,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=891, Unknown=0, NotChecked=0, Total=992 [2024-11-28 03:23:07,797 INFO L87 Difference]: Start difference. First operand 466 states and 644 transitions. Second operand has 32 states, 25 states have (on average 6.0) internal successors, (150), 30 states have internal predecessors, (150), 12 states have call successors, (60), 4 states have call predecessors, (60), 12 states have return successors, (56), 9 states have call predecessors, (56), 12 states have call successors, (56) [2024-11-28 03:23:17,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:23:21,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:23:31,164 WARN L539 Checker$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] [2024-11-28 03:23:47,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:47,736 INFO L93 Difference]: Finished difference Result 998 states and 1413 transitions. [2024-11-28 03:23:47,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-28 03:23:47,737 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 25 states have (on average 6.0) internal successors, (150), 30 states have internal predecessors, (150), 12 states have call successors, (60), 4 states have call predecessors, (60), 12 states have return successors, (56), 9 states have call predecessors, (56), 12 states have call successors, (56) Word has length 253 [2024-11-28 03:23:47,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:47,745 INFO L225 Difference]: With dead ends: 998 [2024-11-28 03:23:47,745 INFO L226 Difference]: Without dead ends: 663 [2024-11-28 03:23:47,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 478 SyntacticMatches, 6 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=276, Invalid=2586, Unknown=0, NotChecked=0, Total=2862 [2024-11-28 03:23:47,752 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 310 mSDsluCounter, 5670 mSDsCounter, 0 mSdLazyCounter, 3184 mSolverCounterSat, 90 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 5941 SdHoareTripleChecker+Invalid, 3277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 3184 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:47,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 5941 Invalid, 3277 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [90 Valid, 3184 Invalid, 3 Unknown, 0 Unchecked, 34.9s Time] [2024-11-28 03:23:47,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-11-28 03:23:47,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 628. [2024-11-28 03:23:47,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 432 states have (on average 1.2662037037037037) internal successors, (547), 441 states have internal predecessors, (547), 139 states have call successors, (139), 49 states have call predecessors, (139), 56 states have return successors, (197), 137 states have call predecessors, (197), 136 states have call successors, (197) [2024-11-28 03:23:47,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 883 transitions. [2024-11-28 03:23:47,834 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 883 transitions. Word has length 253 [2024-11-28 03:23:47,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:47,835 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 883 transitions. [2024-11-28 03:23:47,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 25 states have (on average 6.0) internal successors, (150), 30 states have internal predecessors, (150), 12 states have call successors, (60), 4 states have call predecessors, (60), 12 states have return successors, (56), 9 states have call predecessors, (56), 12 states have call successors, (56) [2024-11-28 03:23:47,836 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 883 transitions. [2024-11-28 03:23:47,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-28 03:23:47,841 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:47,841 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 6, 6, 6, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:47,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-28 03:23:48,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:23:48,042 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:48,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:48,043 INFO L85 PathProgramCache]: Analyzing trace with hash 442294305, now seen corresponding path program 1 times [2024-11-28 03:23:48,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:48,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162772338] [2024-11-28 03:23:48,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:48,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:55,133 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2024-11-28 03:23:55,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:55,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162772338] [2024-11-28 03:23:55,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162772338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:55,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:55,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:23:55,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54003469] [2024-11-28 03:23:55,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:55,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:23:55,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:55,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:23:55,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:23:55,135 INFO L87 Difference]: Start difference. First operand 628 states and 883 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 6 states have internal predecessors, (91), 5 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (37), 5 states have call predecessors, (37), 5 states have call successors, (37) [2024-11-28 03:23:55,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:55,631 INFO L93 Difference]: Finished difference Result 777 states and 1078 transitions. [2024-11-28 03:23:55,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:23:55,632 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 6 states have internal predecessors, (91), 5 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (37), 5 states have call predecessors, (37), 5 states have call successors, (37) Word has length 280 [2024-11-28 03:23:55,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:55,634 INFO L225 Difference]: With dead ends: 777 [2024-11-28 03:23:55,634 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:23:55,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:23:55,639 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 36 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:55,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 922 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:23:55,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:23:55,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:23:55,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:23:55,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:23:55,641 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 280 [2024-11-28 03:23:55,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:55,642 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:23:55,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 6 states have internal predecessors, (91), 5 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (37), 5 states have call predecessors, (37), 5 states have call successors, (37) [2024-11-28 03:23:55,642 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:23:55,643 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:23:55,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:23:55,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:23:55,650 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:55,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:24:01,240 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:24:01,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:24:01 BoogieIcfgContainer [2024-11-28 03:24:01,254 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:24:01,255 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:24:01,255 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:24:01,255 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:24:01,256 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:02" (3/4) ... [2024-11-28 03:24:01,259 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:24:01,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2024-11-28 03:24:01,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_table_is_valid [2024-11-28 03:24:01,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s_remove_entry [2024-11-28 03:24:01,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2024-11-28 03:24:01,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_table_state_required_bytes [2024-11-28 03:24:01,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2024-11-28 03:24:01,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2024-11-28 03:24:01,266 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2024-11-28 03:24:01,266 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_iter_is_valid [2024-11-28 03:24:01,266 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2024-11-28 03:24:01,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2024-11-28 03:24:01,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2024-11-28 03:24:01,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2024-11-28 03:24:01,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2024-11-28 03:24:01,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2024-11-28 03:24:01,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2024-11-28 03:24:01,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2024-11-28 03:24:01,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_plus [2024-11-28 03:24:01,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2024-11-28 03:24:01,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_table_state_is_valid [2024-11-28 03:24:01,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-28 03:24:01,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2024-11-28 03:24:01,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2024-11-28 03:24:01,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_is_power_of_two [2024-11-28 03:24:01,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_add_size_checked [2024-11-28 03:24:01,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_iter_delete [2024-11-28 03:24:01,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-28 03:24:01,293 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 151 nodes and edges [2024-11-28 03:24:01,294 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 74 nodes and edges [2024-11-28 03:24:01,295 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-11-28 03:24:01,296 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-28 03:24:01,299 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-28 03:24:01,300 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 03:24:01,301 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 03:24:01,302 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:24:02,055 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:24:02,056 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:24:02,056 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:24:02,057 INFO L158 Benchmark]: Toolchain (without parser) took 252447.60ms. Allocated memory was 117.4MB in the beginning and 3.0GB in the end (delta: 2.9GB). Free memory was 83.0MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-28 03:24:02,057 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 73.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:24:02,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4642.06ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 43.4MB in the end (delta: 39.4MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2024-11-28 03:24:02,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 276.48ms. Allocated memory is still 117.4MB. Free memory was 43.4MB in the beginning and 31.7MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:24:02,058 INFO L158 Benchmark]: Boogie Preprocessor took 327.67ms. Allocated memory is still 117.4MB. Free memory was 31.7MB in the beginning and 43.5MB in the end (delta: -11.8MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-11-28 03:24:02,059 INFO L158 Benchmark]: RCFGBuilder took 8090.99ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 42.8MB in the beginning and 83.0MB in the end (delta: -40.2MB). Peak memory consumption was 108.4MB. Max. memory is 16.1GB. [2024-11-28 03:24:02,059 INFO L158 Benchmark]: TraceAbstraction took 238296.26ms. Allocated memory was 234.9MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 81.1MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 904.3MB. Max. memory is 16.1GB. [2024-11-28 03:24:02,059 INFO L158 Benchmark]: Witness Printer took 801.42ms. Allocated memory is still 3.0GB. Free memory was 2.0GB in the beginning and 1.8GB in the end (delta: 134.1MB). Peak memory consumption was 134.2MB. Max. memory is 16.1GB. [2024-11-28 03:24:02,061 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 73.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4642.06ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 43.4MB in the end (delta: 39.4MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 276.48ms. Allocated memory is still 117.4MB. Free memory was 43.4MB in the beginning and 31.7MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 327.67ms. Allocated memory is still 117.4MB. Free memory was 31.7MB in the beginning and 43.5MB in the end (delta: -11.8MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * RCFGBuilder took 8090.99ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 42.8MB in the beginning and 83.0MB in the end (delta: -40.2MB). Peak memory consumption was 108.4MB. Max. memory is 16.1GB. * TraceAbstraction took 238296.26ms. Allocated memory was 234.9MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 81.1MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 904.3MB. Max. memory is 16.1GB. * Witness Printer took 801.42ms. Allocated memory is still 3.0GB. Free memory was 2.0GB in the beginning and 1.8GB in the end (delta: 134.1MB). Peak memory consumption was 134.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7526]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 255 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 232.6s, OverallIterations: 10, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 61.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 750 SdHoareTripleChecker+Valid, 53.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 687 mSDsluCounter, 19707 SdHoareTripleChecker+Invalid, 52.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16960 mSDsCounter, 147 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4575 IncrementalHoareTripleChecker+Invalid, 4727 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 147 mSolverCounterUnsat, 2747 mSDtfsCounter, 4575 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2389 GetRequests, 2233 SyntacticMatches, 7 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 22.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=628occurred in iteration=9, InterpolantAutomatonStates: 117, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 67 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.9s SsaConstructionTime, 8.8s SatisfiabilityAnalysisTime, 50.7s InterpolantComputationTime, 3639 NumberOfCodeBlocks, 3639 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4536 ConstructedInterpolants, 39 QuantifiedInterpolants, 6504 SizeOfPredicates, 37 NumberOfNonLiveVariables, 27804 ConjunctsInSsa, 180 ConjunctsInUnsatCore, 20 InterpolantComputations, 8 PerfectInterpolantSequences, 14409/14621 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 9110]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9606]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-28 03:24:02,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa081e3-2dd7-467b-bad4-691020935ab4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE