./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd --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 83b04173d709803d577cfa49fe0a9356919fe4fb57e740404cfb5ffbf2560c97 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:32:30,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:32:30,710 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 15:32:30,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:32:30,717 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:32:30,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:32:30,746 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:32:30,746 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:32:30,746 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:32:30,747 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:32:30,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:32:30,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:32:30,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:32:30,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:32:30,748 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:32:30,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:32:30,748 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:32:30,749 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:32:30,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:32:30,749 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:32:30,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:32:30,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:32:30,750 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:32:30,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:32:30,750 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:32:30,750 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:32:30,750 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:32:30,750 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:32:30,751 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:32:30,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:32:30,751 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:32:30,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:32:30,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:32:30,752 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:32:30,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:32:30,752 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:32:30,752 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:32:30,752 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:32:30,752 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:32:30,753 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_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd 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 -> 83b04173d709803d577cfa49fe0a9356919fe4fb57e740404cfb5ffbf2560c97 [2024-11-13 15:32:31,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:32:31,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:32:31,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:32:31,152 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:32:31,152 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:32:31,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i Unable to find full path for "g++" [2024-11-13 15:32:33,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:32:34,300 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:32:34,302 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i [2024-11-13 15:32:34,349 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/data/564cd6f80/352436cc122f4af3bb1253d6999283f1/FLAGedd52315c [2024-11-13 15:32:34,379 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/data/564cd6f80/352436cc122f4af3bb1253d6999283f1 [2024-11-13 15:32:34,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:32:34,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:32:34,388 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:32:34,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:32:34,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:32:34,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:32:34" (1/1) ... [2024-11-13 15:32:34,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e3e132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:32:34, skipping insertion in model container [2024-11-13 15:32:34,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:32:34" (1/1) ... [2024-11-13 15:32:34,541 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:32:34,961 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_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i[4496,4509] [2024-11-13 15:32:34,972 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_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i[4556,4569] [2024-11-13 15:32:36,383 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:36,388 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:36,389 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:36,391 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:36,393 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:36,417 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:36,418 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:36,420 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:36,421 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:37,326 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:37,326 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:37,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:32:37,504 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:32:37,528 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_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i[4496,4509] [2024-11-13 15:32:37,529 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_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i[4556,4569] [2024-11-13 15:32:37,707 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:37,708 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:37,708 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:37,709 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:37,709 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:37,729 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:37,730 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:37,732 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:37,733 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:37,877 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:37,878 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:32:37,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-13 15:32:37,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:32:38,241 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:32:38,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:32:38 WrapperNode [2024-11-13 15:32:38,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:32:38,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:32:38,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:32:38,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:32:38,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:32:38" (1/1) ... [2024-11-13 15:32:38,349 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:32:38" (1/1) ... [2024-11-13 15:32:38,481 INFO L138 Inliner]: procedures = 678, calls = 1548, calls flagged for inlining = 54, calls inlined = 10, statements flattened = 726 [2024-11-13 15:32:38,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:32:38,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:32:38,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:32:38,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:32:38,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:32:38" (1/1) ... [2024-11-13 15:32:38,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:32:38" (1/1) ... [2024-11-13 15:32:38,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:32:38" (1/1) ... [2024-11-13 15:32:38,625 INFO L175 MemorySlicer]: Split 340 memory accesses to 7 slices as follows [238, 2, 3, 2, 6, 82, 7]. 70 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [6, 2, 1, 1, 0, 10, 5]. The 253 writes are split as follows [232, 0, 1, 1, 2, 17, 0]. [2024-11-13 15:32:38,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:32:38" (1/1) ... [2024-11-13 15:32:38,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:32:38" (1/1) ... [2024-11-13 15:32:38,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:32:38" (1/1) ... [2024-11-13 15:32:38,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:32:38" (1/1) ... [2024-11-13 15:32:38,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:32:38" (1/1) ... [2024-11-13 15:32:38,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:32:38" (1/1) ... [2024-11-13 15:32:38,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:32:38,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:32:38,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:32:38,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:32:38,719 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:32:38" (1/1) ... [2024-11-13 15:32:38,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:32:38,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:32:38,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:32:38,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:32:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-13 15:32:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-13 15:32:38,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:32:38,816 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-13 15:32:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-13 15:32:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-13 15:32:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-13 15:32:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-13 15:32:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-13 15:32:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-13 15:32:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-13 15:32:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-13 15:32:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-13 15:32:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-13 15:32:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-13 15:32:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-13 15:32:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 15:32:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 15:32:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 15:32:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 15:32:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 15:32:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 15:32:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-13 15:32:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-13 15:32:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-13 15:32:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 15:32:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 15:32:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 15:32:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:32:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-13 15:32:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-13 15:32:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 15:32:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 15:32:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 15:32:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-13 15:32:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-13 15:32:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-13 15:32:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-13 15:32:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:32:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:32:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-13 15:32:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-13 15:32:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-13 15:32:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-13 15:32:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-13 15:32:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-13 15:32:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-13 15:32:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-13 15:32:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-13 15:32:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-13 15:32:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-13 15:32:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-13 15:32:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-13 15:32:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-13 15:32:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-13 15:32:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-13 15:32:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-13 15:32:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-13 15:32:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-13 15:32:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:32:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:32:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:32:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 15:32:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 15:32:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 15:32:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 15:32:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-13 15:32:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-13 15:32:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-13 15:32:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 15:32:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 15:32:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 15:32:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-13 15:32:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-13 15:32:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-13 15:32:38,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-13 15:32:38,830 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-13 15:32:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-13 15:32:38,830 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-13 15:32:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-13 15:32:38,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 15:32:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 15:32:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 15:32:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 15:32:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 15:32:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 15:32:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-13 15:32:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2024-11-13 15:32:38,831 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2024-11-13 15:32:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-13 15:32:38,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-13 15:32:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:32:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 15:32:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 15:32:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 15:32:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 15:32:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 15:32:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-13 15:32:39,369 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:32:39,372 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:32:46,219 INFO L? ?]: Removed 160 outVars from TransFormulas that were not future-live. [2024-11-13 15:32:46,220 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:32:46,237 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:32:46,237 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 15:32:46,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:32:46 BoogieIcfgContainer [2024-11-13 15:32:46,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:32:46,241 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:32:46,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:32:46,247 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:32:46,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:32:34" (1/3) ... [2024-11-13 15:32:46,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47889d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:32:46, skipping insertion in model container [2024-11-13 15:32:46,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:32:38" (2/3) ... [2024-11-13 15:32:46,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47889d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:32:46, skipping insertion in model container [2024-11-13 15:32:46,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:32:46" (3/3) ... [2024-11-13 15:32:46,251 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_top_harness.i [2024-11-13 15:32:46,272 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:32:46,274 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_top_harness.i that has 19 procedures, 207 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-13 15:32:46,374 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:32:46,392 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;@4e32c3a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:32:46,392 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:32:46,398 INFO L276 IsEmpty]: Start isEmpty. Operand has 207 states, 131 states have (on average 1.2213740458015268) internal successors, (160), 131 states have internal predecessors, (160), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-13 15:32:46,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-13 15:32:46,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:32:46,418 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:32:46,418 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:32:46,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:32:46,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1565890177, now seen corresponding path program 1 times [2024-11-13 15:32:46,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:32:46,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591738041] [2024-11-13 15:32:46,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:32:46,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:32:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:56,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:32:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:32:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:32:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:32:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 15:32:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 15:32:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:32:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 15:32:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:32:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:32:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:32:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 15:32:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:32:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:32:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 15:32:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:32:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 15:32:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:58,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-13 15:32:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:58,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:32:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:58,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 15:32:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:58,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:32:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:58,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 15:32:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:58,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 15:32:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:58,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 15:32:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:58,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 15:32:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:58,411 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-13 15:32:58,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:32:58,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591738041] [2024-11-13 15:32:58,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591738041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:32:58,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:32:58,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:32:58,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540055574] [2024-11-13 15:32:58,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:32:58,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:32:58,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:32:58,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:32:58,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:32:58,463 INFO L87 Difference]: Start difference. First operand has 207 states, 131 states have (on average 1.2213740458015268) internal successors, (160), 131 states have internal predecessors, (160), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 15:33:02,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:33:06,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:33:11,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:33:18,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:33:18,403 INFO L93 Difference]: Finished difference Result 423 states and 608 transitions. [2024-11-13 15:33:18,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:33:18,406 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 148 [2024-11-13 15:33:18,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:33:18,419 INFO L225 Difference]: With dead ends: 423 [2024-11-13 15:33:18,419 INFO L226 Difference]: Without dead ends: 234 [2024-11-13 15:33:18,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:33:18,435 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 448 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 330 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:33:18,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 165 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 314 Invalid, 3 Unknown, 0 Unchecked, 18.0s Time] [2024-11-13 15:33:18,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-13 15:33:18,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 202. [2024-11-13 15:33:18,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 126 states have (on average 1.1984126984126984) internal successors, (151), 127 states have internal predecessors, (151), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-13 15:33:18,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 264 transitions. [2024-11-13 15:33:18,532 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 264 transitions. Word has length 148 [2024-11-13 15:33:18,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:33:18,532 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 264 transitions. [2024-11-13 15:33:18,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 15:33:18,533 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2024-11-13 15:33:18,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-13 15:33:18,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:33:18,541 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:33:18,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:33:18,542 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:33:18,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:33:18,542 INFO L85 PathProgramCache]: Analyzing trace with hash -207894017, now seen corresponding path program 1 times [2024-11-13 15:33:18,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:33:18,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487887879] [2024-11-13 15:33:18,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:33:18,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:33:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:26,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:33:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:26,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:33:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:26,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:33:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:26,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:33:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:26,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 15:33:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:26,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 15:33:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:26,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:33:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:27,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 15:33:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:27,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:33:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:27,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:33:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:27,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:33:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:27,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 15:33:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:27,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:33:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:27,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:33:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:27,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 15:33:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:27,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:33:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:28,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 15:33:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:28,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-13 15:33:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:28,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:33:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:28,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 15:33:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:28,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:33:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:28,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 15:33:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:28,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 15:33:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:28,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 15:33:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:28,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 15:33:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-13 15:33:28,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:33:28,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487887879] [2024-11-13 15:33:28,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487887879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:33:28,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:33:28,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 15:33:28,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522391246] [2024-11-13 15:33:28,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:33:28,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:33:28,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:33:28,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:33:28,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:33:28,870 INFO L87 Difference]: Start difference. First operand 202 states and 264 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-13 15:33:32,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:33:37,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:33:41,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:33:59,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:33:59,320 INFO L93 Difference]: Finished difference Result 387 states and 519 transitions. [2024-11-13 15:33:59,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 15:33:59,321 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 148 [2024-11-13 15:33:59,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:33:59,325 INFO L225 Difference]: With dead ends: 387 [2024-11-13 15:33:59,325 INFO L226 Difference]: Without dead ends: 234 [2024-11-13 15:33:59,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:33:59,328 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 359 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 242 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:33:59,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 274 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 1117 Invalid, 3 Unknown, 0 Unchecked, 27.1s Time] [2024-11-13 15:33:59,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-13 15:33:59,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 202. [2024-11-13 15:33:59,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 126 states have (on average 1.1904761904761905) internal successors, (150), 127 states have internal predecessors, (150), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-13 15:33:59,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 263 transitions. [2024-11-13 15:33:59,362 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 263 transitions. Word has length 148 [2024-11-13 15:33:59,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:33:59,363 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 263 transitions. [2024-11-13 15:33:59,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-13 15:33:59,364 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 263 transitions. [2024-11-13 15:33:59,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-13 15:33:59,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:33:59,367 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:33:59,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:33:59,367 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:33:59,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:33:59,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1031988165, now seen corresponding path program 1 times [2024-11-13 15:33:59,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:33:59,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568119089] [2024-11-13 15:33:59,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:33:59,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:34:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:07,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:34:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:07,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:34:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:07,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:34:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:07,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:34:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:07,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 15:34:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:07,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 15:34:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:07,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:34:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:07,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 15:34:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:07,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:34:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:08,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:34:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:08,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:34:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:08,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 15:34:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:08,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:34:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:08,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:34:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:08,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 15:34:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:08,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:34:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:09,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:34:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:09,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 15:34:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:10,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:34:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:10,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 15:34:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:10,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 15:34:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:10,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:34:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:10,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 15:34:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:10,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 15:34:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:10,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:34:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:10,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:34:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:10,628 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-13 15:34:10,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:34:10,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568119089] [2024-11-13 15:34:10,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568119089] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:34:10,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769079597] [2024-11-13 15:34:10,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:34:10,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:34:10,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:34:10,634 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:34:10,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:34:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:17,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 4625 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 15:34:17,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:34:20,332 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-13 15:34:20,332 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:34:20,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769079597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:34:20,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:34:20,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2024-11-13 15:34:20,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790352328] [2024-11-13 15:34:20,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:34:20,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:34:20,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:34:20,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:34:20,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:34:20,336 INFO L87 Difference]: Start difference. First operand 202 states and 263 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-13 15:34:22,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:34:22,938 INFO L93 Difference]: Finished difference Result 374 states and 496 transitions. [2024-11-13 15:34:22,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:34:22,939 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 156 [2024-11-13 15:34:22,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:34:22,943 INFO L225 Difference]: With dead ends: 374 [2024-11-13 15:34:22,943 INFO L226 Difference]: Without dead ends: 204 [2024-11-13 15:34:22,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2024-11-13 15:34:22,946 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 46 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1349 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:34:22,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1349 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-13 15:34:22,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-13 15:34:22,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-13 15:34:22,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 127 states have (on average 1.188976377952756) internal successors, (151), 129 states have internal predecessors, (151), 57 states have call successors, (57), 18 states have call predecessors, (57), 19 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) [2024-11-13 15:34:23,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 270 transitions. [2024-11-13 15:34:23,003 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 270 transitions. Word has length 156 [2024-11-13 15:34:23,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:34:23,004 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 270 transitions. [2024-11-13 15:34:23,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-13 15:34:23,005 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 270 transitions. [2024-11-13 15:34:23,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-13 15:34:23,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:34:23,011 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:34:23,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:34:23,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:34:23,212 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:34:23,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:34:23,213 INFO L85 PathProgramCache]: Analyzing trace with hash -879875961, now seen corresponding path program 1 times [2024-11-13 15:34:23,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:34:23,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437755340] [2024-11-13 15:34:23,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:34:23,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:34:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:34:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:34:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:34:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:34:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 15:34:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 15:34:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:34:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 15:34:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:34:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:30,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:34:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:30,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:34:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:30,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 15:34:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:30,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:34:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:30,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:34:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:30,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 15:34:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:30,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:34:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:34:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:34:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:34:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 15:34:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 15:34:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:34:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:34:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:34:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 15:34:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 15:34:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 15:34:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-13 15:34:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,330 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-13 15:34:32,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:34:32,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437755340] [2024-11-13 15:34:32,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437755340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:34:32,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:34:32,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 15:34:32,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085817905] [2024-11-13 15:34:32,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:34:32,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 15:34:32,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:34:32,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 15:34:32,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:34:32,334 INFO L87 Difference]: Start difference. First operand 204 states and 270 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (28), 7 states have call predecessors, (28), 2 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-13 15:34:36,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:34:40,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:34:45,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:34:49,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:35:11,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:35:11,315 INFO L93 Difference]: Finished difference Result 371 states and 495 transitions. [2024-11-13 15:35:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 15:35:11,316 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (28), 7 states have call predecessors, (28), 2 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 171 [2024-11-13 15:35:11,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:35:11,320 INFO L225 Difference]: With dead ends: 371 [2024-11-13 15:35:11,320 INFO L226 Difference]: Without dead ends: 215 [2024-11-13 15:35:11,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2024-11-13 15:35:11,322 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 394 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 320 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 1643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 320 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:35:11,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 342 Invalid, 1643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [320 Valid, 1319 Invalid, 4 Unknown, 0 Unchecked, 35.2s Time] [2024-11-13 15:35:11,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-13 15:35:11,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 204. [2024-11-13 15:35:11,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 127 states have (on average 1.1811023622047243) internal successors, (150), 129 states have internal predecessors, (150), 57 states have call successors, (57), 18 states have call predecessors, (57), 19 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) [2024-11-13 15:35:11,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 269 transitions. [2024-11-13 15:35:11,359 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 269 transitions. Word has length 171 [2024-11-13 15:35:11,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:35:11,360 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 269 transitions. [2024-11-13 15:35:11,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (28), 7 states have call predecessors, (28), 2 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-13 15:35:11,364 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 269 transitions. [2024-11-13 15:35:11,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-13 15:35:11,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:35:11,367 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:35:11,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:35:11,367 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:35:11,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:11,368 INFO L85 PathProgramCache]: Analyzing trace with hash 248528734, now seen corresponding path program 1 times [2024-11-13 15:35:11,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:11,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249666001] [2024-11-13 15:35:11,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:11,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:18,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:35:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:18,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:35:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:18,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:35:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:18,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:35:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:18,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 15:35:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:18,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 15:35:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:18,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:35:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:18,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 15:35:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:18,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:35:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:18,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:35:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:18,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:35:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:18,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 15:35:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:18,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:35:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:18,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:35:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:18,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 15:35:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:19,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:35:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:19,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:35:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:20,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:35:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:20,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:35:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:20,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:35:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:20,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:35:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:21,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 15:35:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:21,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:35:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:21,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:35:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:21,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:35:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:21,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-13 15:35:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:21,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 15:35:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:21,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-13 15:35:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:21,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-13 15:35:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:21,680 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-13 15:35:21,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:21,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249666001] [2024-11-13 15:35:21,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249666001] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:35:21,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634186512] [2024-11-13 15:35:21,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:21,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:35:21,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:35:21,683 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:35:21,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:35:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:28,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 4816 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:35:28,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:35:28,995 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-13 15:35:28,996 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:35:28,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634186512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:28,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:35:28,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 15 [2024-11-13 15:35:28,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592898233] [2024-11-13 15:35:28,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:28,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:35:28,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:28,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:35:28,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:35:28,998 INFO L87 Difference]: Start difference. First operand 204 states and 269 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-13 15:35:29,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:35:29,187 INFO L93 Difference]: Finished difference Result 359 states and 485 transitions. [2024-11-13 15:35:29,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:35:29,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 187 [2024-11-13 15:35:29,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:35:29,191 INFO L225 Difference]: With dead ends: 359 [2024-11-13 15:35:29,191 INFO L226 Difference]: Without dead ends: 206 [2024-11-13 15:35:29,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:35:29,194 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 0 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:35:29,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 773 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:35:29,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-13 15:35:29,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2024-11-13 15:35:29,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 129 states have (on average 1.178294573643411) internal successors, (152), 131 states have internal predecessors, (152), 57 states have call successors, (57), 18 states have call predecessors, (57), 19 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) [2024-11-13 15:35:29,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 271 transitions. [2024-11-13 15:35:29,226 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 271 transitions. Word has length 187 [2024-11-13 15:35:29,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:35:29,227 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 271 transitions. [2024-11-13 15:35:29,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-13 15:35:29,227 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 271 transitions. [2024-11-13 15:35:29,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-13 15:35:29,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:35:29,230 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:35:29,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 15:35:29,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:35:29,431 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:35:29,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:29,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1627954084, now seen corresponding path program 1 times [2024-11-13 15:35:29,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:29,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473668572] [2024-11-13 15:35:29,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:29,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:36,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:35:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:36,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:35:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:36,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:35:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:36,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:35:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:36,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 15:35:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:36,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 15:35:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:36,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:35:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:36,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 15:35:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:36,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:35:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:36,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:35:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:36,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:35:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:36,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 15:35:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:36,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:35:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:36,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:35:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:36,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 15:35:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:37,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:35:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:37,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:35:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:38,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:35:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:38,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:35:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:38,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:35:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:38,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:35:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:39,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 15:35:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:39,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:35:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:39,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:35:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:39,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:35:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:39,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-13 15:35:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:39,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 15:35:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:39,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-13 15:35:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:39,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-13 15:35:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:39,351 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-13 15:35:39,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:39,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473668572] [2024-11-13 15:35:39,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473668572] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:35:39,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065223719] [2024-11-13 15:35:39,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:39,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:35:39,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:35:39,355 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:35:39,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:35:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:46,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 4821 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:35:46,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:35:47,238 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-13 15:35:47,238 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:35:47,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065223719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:47,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:35:47,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 15 [2024-11-13 15:35:47,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006736009] [2024-11-13 15:35:47,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:47,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:35:47,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:47,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:35:47,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:35:47,242 INFO L87 Difference]: Start difference. First operand 206 states and 271 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-13 15:35:47,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:35:47,457 INFO L93 Difference]: Finished difference Result 364 states and 481 transitions. [2024-11-13 15:35:47,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:35:47,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 187 [2024-11-13 15:35:47,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:35:47,462 INFO L225 Difference]: With dead ends: 364 [2024-11-13 15:35:47,462 INFO L226 Difference]: Without dead ends: 209 [2024-11-13 15:35:47,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:35:47,465 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 1 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:35:47,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 769 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:35:47,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-13 15:35:47,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 208. [2024-11-13 15:35:47,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 131 states have (on average 1.1755725190839694) internal successors, (154), 133 states have internal predecessors, (154), 57 states have call successors, (57), 18 states have call predecessors, (57), 19 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) [2024-11-13 15:35:47,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 273 transitions. [2024-11-13 15:35:47,495 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 273 transitions. Word has length 187 [2024-11-13 15:35:47,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:35:47,496 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 273 transitions. [2024-11-13 15:35:47,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-13 15:35:47,497 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 273 transitions. [2024-11-13 15:35:47,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-13 15:35:47,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:35:47,500 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:35:47,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 15:35:47,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:35:47,700 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:35:47,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:47,701 INFO L85 PathProgramCache]: Analyzing trace with hash 980833374, now seen corresponding path program 1 times [2024-11-13 15:35:47,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:47,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183164168] [2024-11-13 15:35:47,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:47,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:54,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:35:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:54,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:35:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:54,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:35:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:54,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:35:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:54,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 15:35:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:54,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 15:35:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:54,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:35:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:54,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 15:35:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:54,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:35:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:54,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:35:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:54,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:35:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:54,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 15:35:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:54,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:35:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:54,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:35:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:54,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 15:35:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:54,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:35:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:55,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:35:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:55,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:35:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:55,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:35:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:55,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:35:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:56,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:35:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:56,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 15:35:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:56,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:35:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:57,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:35:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:57,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:35:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:57,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-13 15:35:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:57,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 15:35:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:57,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-13 15:35:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:57,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-13 15:35:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:57,099 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-13 15:35:57,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:57,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183164168] [2024-11-13 15:35:57,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183164168] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:35:57,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471739073] [2024-11-13 15:35:57,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:57,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:35:57,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:35:57,103 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:35:57,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 15:36:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:04,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 4816 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 15:36:04,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:36:07,299 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-13 15:36:07,300 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:36:07,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471739073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:36:07,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:36:07,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2024-11-13 15:36:07,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474525474] [2024-11-13 15:36:07,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:36:07,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:36:07,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:36:07,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:36:07,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2024-11-13 15:36:07,303 INFO L87 Difference]: Start difference. First operand 208 states and 273 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 5 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2024-11-13 15:36:10,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:36:10,508 INFO L93 Difference]: Finished difference Result 383 states and 504 transitions. [2024-11-13 15:36:10,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 15:36:10,509 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 5 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) Word has length 187 [2024-11-13 15:36:10,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:36:10,512 INFO L225 Difference]: With dead ends: 383 [2024-11-13 15:36:10,513 INFO L226 Difference]: Without dead ends: 208 [2024-11-13 15:36:10,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2024-11-13 15:36:10,514 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 68 mSDsluCounter, 1282 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1512 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:36:10,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1512 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-13 15:36:10,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-13 15:36:10,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2024-11-13 15:36:10,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 131 states have (on average 1.1755725190839694) internal successors, (154), 133 states have internal predecessors, (154), 57 states have call successors, (57), 18 states have call predecessors, (57), 19 states have return successors, (61), 56 states have call predecessors, (61), 56 states have call successors, (61) [2024-11-13 15:36:10,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 272 transitions. [2024-11-13 15:36:10,550 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 272 transitions. Word has length 187 [2024-11-13 15:36:10,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:36:10,550 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 272 transitions. [2024-11-13 15:36:10,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 5 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2024-11-13 15:36:10,551 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 272 transitions. [2024-11-13 15:36:10,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-13 15:36:10,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:36:10,557 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:36:10,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 15:36:10,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:36:10,758 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:36:10,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:36:10,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1870639690, now seen corresponding path program 2 times [2024-11-13 15:36:10,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:36:10,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462849982] [2024-11-13 15:36:10,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:36:10,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:36:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:17,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:36:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:17,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:36:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:17,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:36:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:17,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:36:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:17,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 15:36:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:17,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 15:36:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:17,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:36:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:17,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 15:36:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:17,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:36:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:17,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:36:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:17,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:36:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:17,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 15:36:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:17,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:36:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:18,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:36:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:18,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 15:36:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:18,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:36:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:18,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:36:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:18,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:36:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:18,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:36:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:18,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:36:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:18,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:36:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:18,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:36:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:18,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 15:36:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:19,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:36:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:19,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 15:36:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:19,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-13 15:36:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:19,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:36:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:19,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-13 15:36:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:19,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-13 15:36:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:20,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-13 15:36:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:20,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-13 15:36:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:20,018 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-13 15:36:20,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:36:20,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462849982] [2024-11-13 15:36:20,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462849982] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:36:20,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014086728] [2024-11-13 15:36:20,019 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:36:20,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:36:20,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:36:20,022 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:36:20,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4809eb8d-4a66-4ee3-8ceb-9a32ae4ba457/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process