./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX --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 f794b74895d86811f31f266061230bbe472937829675777db1e7aa35770837b1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:15:25,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:15:25,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-08 18:15:25,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:15:25,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:15:25,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:15:25,654 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:15:25,655 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:15:25,656 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:15:25,658 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:15:25,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:15:25,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:15:25,659 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:15:25,660 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:15:25,662 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:15:25,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:15:25,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:15:25,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:15:25,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:15:25,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:15:25,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:15:25,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:15:25,666 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:15:25,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:15:25,667 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:15:25,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:15:25,668 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:15:25,668 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:15:25,669 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:15:25,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:15:25,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:15:25,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:15:25,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:15:25,671 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:15:25,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:15:25,672 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:15:25,672 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:15:25,672 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:15:25,673 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:15:25,673 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f794b74895d86811f31f266061230bbe472937829675777db1e7aa35770837b1 [2024-11-08 18:15:26,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:15:26,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:15:26,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:15:26,088 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:15:26,088 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:15:26,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i Unable to find full path for "g++" [2024-11-08 18:15:28,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:15:28,974 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:15:28,975 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i [2024-11-08 18:15:29,023 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/data/ead3dc57a/6442f9fd4be84a3d8d82e5c981be92b5/FLAG5af6fb4e0 [2024-11-08 18:15:29,315 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/data/ead3dc57a/6442f9fd4be84a3d8d82e5c981be92b5 [2024-11-08 18:15:29,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:15:29,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:15:29,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:15:29,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:15:29,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:15:29,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:15:29" (1/1) ... [2024-11-08 18:15:29,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e835e64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:15:29, skipping insertion in model container [2024-11-08 18:15:29,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:15:29" (1/1) ... [2024-11-08 18:15:29,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:15:29,952 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_6d216511-19e6-4029-82c3-8d3e01a5f33c/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i[4500,4513] [2024-11-08 18:15:29,963 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_6d216511-19e6-4029-82c3-8d3e01a5f33c/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i[4560,4573] [2024-11-08 18:15:31,133 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:31,134 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:31,135 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:31,136 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:31,138 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:31,157 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:31,158 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:31,161 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:31,162 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:32,101 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:32,102 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:32,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:15:32,400 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:15:32,425 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_6d216511-19e6-4029-82c3-8d3e01a5f33c/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i[4500,4513] [2024-11-08 18:15:32,430 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_6d216511-19e6-4029-82c3-8d3e01a5f33c/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i[4560,4573] [2024-11-08 18:15:32,540 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:32,541 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:32,542 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:32,543 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:32,543 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:32,558 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:32,559 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:32,560 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:32,561 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:32,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-08 18:15:32,725 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:32,726 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 18:15:32,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-08 18:15:32,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:15:33,175 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:15:33,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:15:33 WrapperNode [2024-11-08 18:15:33,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:15:33,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:15:33,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:15:33,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:15:33,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:15:33" (1/1) ... [2024-11-08 18:15:33,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:15:33" (1/1) ... [2024-11-08 18:15:33,410 INFO L138 Inliner]: procedures = 679, calls = 2733, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 831 [2024-11-08 18:15:33,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:15:33,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:15:33,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:15:33,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:15:33,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:15:33" (1/1) ... [2024-11-08 18:15:33,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:15:33" (1/1) ... [2024-11-08 18:15:33,447 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:15:33" (1/1) ... [2024-11-08 18:15:33,581 INFO L175 MemorySlicer]: Split 525 memory accesses to 6 slices as follows [257, 2, 238, 5, 21, 2]. 49 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [0, 2, 6, 5, 0, 0]. The 497 writes are split as follows [257, 0, 232, 0, 7, 1]. [2024-11-08 18:15:33,581 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:15:33" (1/1) ... [2024-11-08 18:15:33,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:15:33" (1/1) ... [2024-11-08 18:15:33,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:15:33" (1/1) ... [2024-11-08 18:15:33,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:15:33" (1/1) ... [2024-11-08 18:15:33,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:15:33" (1/1) ... [2024-11-08 18:15:33,658 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:15:33" (1/1) ... [2024-11-08 18:15:33,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:15:33,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:15:33,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:15:33,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:15:33,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:15:33" (1/1) ... [2024-11-08 18:15:33,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:15:33,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:15:33,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:15:33,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:15:33,772 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-08 18:15:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-08 18:15:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 18:15:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-08 18:15:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-08 18:15:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-08 18:15:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-08 18:15:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-08 18:15:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-08 18:15:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-08 18:15:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-08 18:15:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-08 18:15:33,775 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-08 18:15:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-08 18:15:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-08 18:15:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-08 18:15:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-08 18:15:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-08 18:15:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-08 18:15:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-08 18:15:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-08 18:15:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-08 18:15:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-08 18:15:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-08 18:15:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-08 18:15:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 18:15:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 18:15:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 18:15:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 18:15:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 18:15:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 18:15:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-08 18:15:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-08 18:15:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-08 18:15:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-08 18:15:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-08 18:15:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-08 18:15:33,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-08 18:15:33,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-08 18:15:33,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-08 18:15:33,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-08 18:15:33,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-08 18:15:33,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-08 18:15:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-08 18:15:33,784 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-08 18:15:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 18:15:33,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 18:15:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 18:15:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:15:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 18:15:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 18:15:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-08 18:15:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-08 18:15:33,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-08 18:15:33,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-08 18:15:33,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:15:33,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:15:33,786 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-08 18:15:33,786 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-08 18:15:33,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-08 18:15:33,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-08 18:15:33,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-08 18:15:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-08 18:15:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-08 18:15:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-08 18:15:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-08 18:15:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-08 18:15:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-08 18:15:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-08 18:15:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-08 18:15:33,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-08 18:15:33,790 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-08 18:15:33,790 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-08 18:15:33,792 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:15:33,792 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:15:33,792 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-08 18:15:33,792 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-08 18:15:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 18:15:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-08 18:15:33,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-08 18:15:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 18:15:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 18:15:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-08 18:15:33,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-08 18:15:33,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-08 18:15:33,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-08 18:15:33,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-08 18:15:33,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-08 18:15:33,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-08 18:15:33,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-08 18:15:33,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-08 18:15:33,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-08 18:15:33,796 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2024-11-08 18:15:33,796 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2024-11-08 18:15:33,796 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-08 18:15:33,796 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-08 18:15:33,797 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-08 18:15:33,797 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-08 18:15:33,797 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-08 18:15:33,797 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-08 18:15:33,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 18:15:33,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 18:15:33,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 18:15:33,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 18:15:33,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 18:15:33,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 18:15:33,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-08 18:15:33,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-08 18:15:33,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-08 18:15:33,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-08 18:15:33,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-08 18:15:33,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-08 18:15:33,799 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_string [2024-11-08 18:15:33,799 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_string [2024-11-08 18:15:33,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:15:33,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 18:15:33,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 18:15:33,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 18:15:33,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 18:15:33,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 18:15:34,333 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:15:34,336 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:15:35,371 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2024-11-08 18:15:44,831 INFO L? ?]: Removed 178 outVars from TransFormulas that were not future-live. [2024-11-08 18:15:44,832 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:15:44,857 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:15:44,859 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 18:15:44,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:15:44 BoogieIcfgContainer [2024-11-08 18:15:44,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:15:44,865 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:15:44,866 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:15:44,870 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:15:44,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:15:29" (1/3) ... [2024-11-08 18:15:44,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a99e566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:15:44, skipping insertion in model container [2024-11-08 18:15:44,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:15:33" (2/3) ... [2024-11-08 18:15:44,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a99e566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:15:44, skipping insertion in model container [2024-11-08 18:15:44,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:15:44" (3/3) ... [2024-11-08 18:15:44,875 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness_negated.i [2024-11-08 18:15:44,900 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:15:44,900 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:15:45,016 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:15:45,027 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;@5008eff4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:15:45,028 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:15:45,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 97 states have (on average 1.175257731958763) internal successors, (114), 97 states have internal predecessors, (114), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-08 18:15:45,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 18:15:45,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:15:45,048 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:15:45,049 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:15:45,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:15:45,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1689756811, now seen corresponding path program 1 times [2024-11-08 18:15:45,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:15:45,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345641409] [2024-11-08 18:15:45,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:15:45,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:17:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:32,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:17:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:32,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 18:17:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:32,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 18:17:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:32,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:17:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:32,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 18:17:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:33,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:17:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:33,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:17:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:33,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:17:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:33,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:17:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:33,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:17:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:33,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:17:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:33,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:17:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:17:33,394 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 18:17:33,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:17:33,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345641409] [2024-11-08 18:17:33,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345641409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:17:33,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:17:33,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:17:33,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899971921] [2024-11-08 18:17:33,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:17:33,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:17:33,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:17:33,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:17:33,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:17:33,453 INFO L87 Difference]: Start difference. First operand has 153 states, 97 states have (on average 1.175257731958763) internal successors, (114), 97 states have internal predecessors, (114), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 18:17:37,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:17:42,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:17:46,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.54s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:17:51,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:17:51,318 INFO L93 Difference]: Finished difference Result 320 states and 422 transitions. [2024-11-08 18:17:51,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:17:51,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2024-11-08 18:17:51,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:17:51,335 INFO L225 Difference]: With dead ends: 320 [2024-11-08 18:17:51,336 INFO L226 Difference]: Without dead ends: 167 [2024-11-08 18:17:51,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:17:51,345 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 88 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 44 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:17:51,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 217 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 229 Invalid, 3 Unknown, 0 Unchecked, 17.5s Time] [2024-11-08 18:17:51,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-08 18:17:51,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 147. [2024-11-08 18:17:51,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 91 states have (on average 1.164835164835165) internal successors, (106), 92 states have internal predecessors, (106), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-08 18:17:51,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 183 transitions. [2024-11-08 18:17:51,416 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 183 transitions. Word has length 80 [2024-11-08 18:17:51,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:17:51,417 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 183 transitions. [2024-11-08 18:17:51,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 18:17:51,417 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 183 transitions. [2024-11-08 18:17:51,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 18:17:51,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:17:51,421 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:17:51,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:17:51,422 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:17:51,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:17:51,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1131189901, now seen corresponding path program 1 times [2024-11-08 18:17:51,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:17:51,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195031580] [2024-11-08 18:17:51,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:17:51,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:19:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:54,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:19:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:54,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 18:19:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:54,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 18:19:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:54,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:19:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:54,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 18:19:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:55,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:19:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:55,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:19:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:55,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:19:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:55,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:19:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:55,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:19:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:55,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:19:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:56,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:19:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:19:56,801 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 18:19:56,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:19:56,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195031580] [2024-11-08 18:19:56,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195031580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:19:56,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:19:56,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 18:19:56,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136405886] [2024-11-08 18:19:56,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:19:56,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 18:19:56,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:19:56,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 18:19:56,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-08 18:19:56,810 INFO L87 Difference]: Start difference. First operand 147 states and 183 transitions. Second operand has 11 states, 10 states have (on average 4.3) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 18:20:01,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:20:05,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:20:10,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.58s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:20:23,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:20:23,602 INFO L93 Difference]: Finished difference Result 243 states and 308 transitions. [2024-11-08 18:20:23,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 18:20:23,603 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.3) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2024-11-08 18:20:23,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:20:23,613 INFO L225 Difference]: With dead ends: 243 [2024-11-08 18:20:23,614 INFO L226 Difference]: Without dead ends: 196 [2024-11-08 18:20:23,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:20:23,617 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 207 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 161 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:20:23,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 670 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 903 Invalid, 3 Unknown, 0 Unchecked, 26.0s Time] [2024-11-08 18:20:23,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-08 18:20:23,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 152. [2024-11-08 18:20:23,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 95 states have (on average 1.1578947368421053) internal successors, (110), 96 states have internal predecessors, (110), 39 states have call successors, (39), 16 states have call predecessors, (39), 17 states have return successors, (39), 39 states have call predecessors, (39), 38 states have call successors, (39) [2024-11-08 18:20:23,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 188 transitions. [2024-11-08 18:20:23,662 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 188 transitions. Word has length 80 [2024-11-08 18:20:23,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:20:23,663 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 188 transitions. [2024-11-08 18:20:23,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.3) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 18:20:23,664 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 188 transitions. [2024-11-08 18:20:23,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 18:20:23,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:20:23,668 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:20:23,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:20:23,668 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:20:23,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:20:23,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1649360125, now seen corresponding path program 1 times [2024-11-08 18:20:23,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:20:23,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305890451] [2024-11-08 18:20:23,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:20:23,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:22:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:16,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:22:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:16,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 18:22:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:16,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 18:22:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:16,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:22:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:16,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 18:22:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:16,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:22:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:22:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:18,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:22:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:18,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:22:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:18,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:22:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:18,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:22:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:18,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:22:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:18,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:22:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:18,916 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 18:22:18,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:22:18,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305890451] [2024-11-08 18:22:18,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305890451] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:22:18,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138858998] [2024-11-08 18:22:18,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:22:18,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:22:18,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:22:18,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:22:18,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:24:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:03,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 7734 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 18:24:03,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:24:05,386 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 18:24:05,386 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:24:05,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138858998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:24:05,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:24:05,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2024-11-08 18:24:05,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372430568] [2024-11-08 18:24:05,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:24:05,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:24:05,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:24:05,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:24:05,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2024-11-08 18:24:05,390 INFO L87 Difference]: Start difference. First operand 152 states and 188 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-08 18:24:05,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:24:05,731 INFO L93 Difference]: Finished difference Result 199 states and 245 transitions. [2024-11-08 18:24:05,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:24:05,732 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) Word has length 86 [2024-11-08 18:24:05,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:24:05,735 INFO L225 Difference]: With dead ends: 199 [2024-11-08 18:24:05,735 INFO L226 Difference]: Without dead ends: 159 [2024-11-08 18:24:05,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2024-11-08 18:24:05,738 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 0 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1071 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:24:05,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1071 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 18:24:05,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-08 18:24:05,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-08 18:24:05,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 100 states have (on average 1.15) internal successors, (115), 101 states have internal predecessors, (115), 39 states have call successors, (39), 16 states have call predecessors, (39), 19 states have return successors, (41), 41 states have call predecessors, (41), 38 states have call successors, (41) [2024-11-08 18:24:05,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 195 transitions. [2024-11-08 18:24:05,767 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 195 transitions. Word has length 86 [2024-11-08 18:24:05,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:24:05,768 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 195 transitions. [2024-11-08 18:24:05,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-08 18:24:05,769 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 195 transitions. [2024-11-08 18:24:05,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 18:24:05,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:24:05,772 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:24:05,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:24:05,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:24:05,973 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:24:05,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:24:05,974 INFO L85 PathProgramCache]: Analyzing trace with hash -541232032, now seen corresponding path program 1 times [2024-11-08 18:24:05,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:24:05,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466793817] [2024-11-08 18:24:05,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:24:05,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:25:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:04,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:26:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:04,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 18:26:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:04,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 18:26:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:04,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:26:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:04,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 18:26:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:05,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:26:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:05,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:26:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:06,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:26:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:06,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:26:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:06,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:26:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:06,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:26:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:06,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:26:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:07,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:26:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:07,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:26:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:07,321 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 18:26:07,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:26:07,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466793817] [2024-11-08 18:26:07,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466793817] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:26:07,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236930107] [2024-11-08 18:26:07,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:26:07,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:26:07,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:26:07,328 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:26:07,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:28:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:21,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 7755 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 18:28:21,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:28:28,017 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 18:28:28,017 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:28:28,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236930107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:28,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:28:28,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 23 [2024-11-08 18:28:28,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371484559] [2024-11-08 18:28:28,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:28,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 18:28:28,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:28:28,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 18:28:28,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2024-11-08 18:28:28,022 INFO L87 Difference]: Start difference. First operand 159 states and 195 transitions. Second operand has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 12 states have internal predecessors, (53), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 18:28:32,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:32,425 INFO L93 Difference]: Finished difference Result 174 states and 216 transitions. [2024-11-08 18:28:32,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 18:28:32,426 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 12 states have internal predecessors, (53), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) Word has length 94 [2024-11-08 18:28:32,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:32,431 INFO L225 Difference]: With dead ends: 174 [2024-11-08 18:28:32,431 INFO L226 Difference]: Without dead ends: 167 [2024-11-08 18:28:32,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2024-11-08 18:28:32,433 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 25 mSDsluCounter, 1791 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 1959 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:32,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 1959 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-08 18:28:32,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-08 18:28:32,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2024-11-08 18:28:32,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 104 states have (on average 1.1538461538461537) internal successors, (120), 106 states have internal predecessors, (120), 39 states have call successors, (39), 16 states have call predecessors, (39), 20 states have return successors, (44), 41 states have call predecessors, (44), 38 states have call successors, (44) [2024-11-08 18:28:32,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 203 transitions. [2024-11-08 18:28:32,487 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 203 transitions. Word has length 94 [2024-11-08 18:28:32,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:32,490 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 203 transitions. [2024-11-08 18:28:32,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 12 states have internal predecessors, (53), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 18:28:32,491 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 203 transitions. [2024-11-08 18:28:32,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 18:28:32,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:32,498 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:28:32,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 18:28:32,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d216511-19e6-4029-82c3-8d3e01a5f33c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:28:32,699 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:32,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:32,701 INFO L85 PathProgramCache]: Analyzing trace with hash 268114594, now seen corresponding path program 1 times [2024-11-08 18:28:32,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:28:32,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022554990] [2024-11-08 18:28:32,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:32,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms