./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_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_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/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_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/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_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/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 3d929c4e9006747fc293836abf67036a0361374cf7a5424bbaba854150966272 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:42:13,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:42:13,246 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 14:42:13,251 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:42:13,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:42:13,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:42:13,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:42:13,299 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:42:13,300 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:42:13,300 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:42:13,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:42:13,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:42:13,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:42:13,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:42:13,301 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:42:13,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:42:13,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:42:13,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:42:13,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:42:13,301 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:42:13,301 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:42:13,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:42:13,302 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:42:13,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:42:13,302 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:42:13,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:42:13,306 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:42:13,306 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:42:13,306 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:42:13,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:42:13,307 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:42:13,307 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:42:13,307 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:42:13,307 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:42:13,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:42:13,307 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:42:13,307 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:42:13,307 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:42:13,307 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:42:13,307 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_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/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 -> 3d929c4e9006747fc293836abf67036a0361374cf7a5424bbaba854150966272 [2024-11-13 14:42:13,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:42:13,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:42:13,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:42:13,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:42:13,727 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:42:13,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i Unable to find full path for "g++" [2024-11-13 14:42:15,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:42:16,419 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:42:16,420 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i [2024-11-13 14:42:16,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/data/e10d000a5/5d82b217f1c9424394ce0f0b79d27039/FLAG645914a95 [2024-11-13 14:42:16,474 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/data/e10d000a5/5d82b217f1c9424394ce0f0b79d27039 [2024-11-13 14:42:16,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:42:16,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:42:16,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:42:16,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:42:16,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:42:16,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:42:16" (1/1) ... [2024-11-13 14:42:16,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55e8d5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:16, skipping insertion in model container [2024-11-13 14:42:16,487 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:42:16" (1/1) ... [2024-11-13 14:42:16,622 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:42:16,988 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_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4501,4514] [2024-11-13 14:42:16,995 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_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4561,4574] [2024-11-13 14:42:18,220 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:18,221 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:18,222 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:18,223 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:18,224 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:18,240 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:18,241 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:18,243 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:18,244 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:19,021 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:19,022 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:19,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:42:19,144 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:42:19,167 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_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4501,4514] [2024-11-13 14:42:19,168 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_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4561,4574] [2024-11-13 14:42:19,285 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:19,286 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:19,286 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:19,287 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:19,288 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:19,306 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:19,307 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:19,311 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:19,311 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:19,451 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:19,451 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:42:19,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-13 14:42:19,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:42:19,818 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:42:19,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:19 WrapperNode [2024-11-13 14:42:19,819 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:42:19,820 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:42:19,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:42:19,820 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:42:19,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:19" (1/1) ... [2024-11-13 14:42:19,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:19" (1/1) ... [2024-11-13 14:42:20,015 INFO L138 Inliner]: procedures = 678, calls = 1548, calls flagged for inlining = 54, calls inlined = 10, statements flattened = 698 [2024-11-13 14:42:20,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:42:20,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:42:20,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:42:20,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:42:20,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:19" (1/1) ... [2024-11-13 14:42:20,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:19" (1/1) ... [2024-11-13 14:42:20,035 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:19" (1/1) ... [2024-11-13 14:42:20,144 INFO L175 MemorySlicer]: Split 338 memory accesses to 6 slices as follows [238, 2, 82, 6, 3, 7]. 70 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 10, 0, 1, 5]. The 252 writes are split as follows [232, 0, 17, 2, 1, 0]. [2024-11-13 14:42:20,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:19" (1/1) ... [2024-11-13 14:42:20,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:19" (1/1) ... [2024-11-13 14:42:20,203 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:19" (1/1) ... [2024-11-13 14:42:20,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:19" (1/1) ... [2024-11-13 14:42:20,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:19" (1/1) ... [2024-11-13 14:42:20,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:19" (1/1) ... [2024-11-13 14:42:20,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:42:20,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:42:20,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:42:20,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:42:20,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:19" (1/1) ... [2024-11-13 14:42:20,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:42:20,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:42:20,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:42:20,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:42:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-13 14:42:20,405 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-13 14:42:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:42:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-13 14:42:20,407 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-13 14:42:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-13 14:42:20,407 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-13 14:42:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-13 14:42:20,407 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-13 14:42:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-13 14:42:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-13 14:42:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-13 14:42:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-13 14:42:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-13 14:42:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-13 14:42:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 14:42:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 14:42:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 14:42:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 14:42:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 14:42:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 14:42:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-13 14:42:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-13 14:42:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 14:42:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 14:42:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 14:42:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:42:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-13 14:42:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-13 14:42:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 14:42:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 14:42:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 14:42:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-13 14:42:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-13 14:42:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-13 14:42:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:42:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:42:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-13 14:42:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-13 14:42:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-13 14:42:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-13 14:42:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-13 14:42:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-13 14:42:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-13 14:42:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-13 14:42:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-13 14:42:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-13 14:42:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-13 14:42:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-13 14:42:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-13 14:42:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-13 14:42:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-13 14:42:20,410 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-13 14:42:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:42:20,410 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:42:20,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:42:20,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 14:42:20,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 14:42:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 14:42:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 14:42:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-13 14:42:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-13 14:42:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 14:42:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 14:42:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 14:42:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-13 14:42:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-13 14:42:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-13 14:42:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-13 14:42:20,421 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-13 14:42:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-13 14:42:20,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-13 14:42:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 14:42:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 14:42:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 14:42:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 14:42:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 14:42:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 14:42:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2024-11-13 14:42:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2024-11-13 14:42:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-13 14:42:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-13 14:42:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:42:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:42:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 14:42:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 14:42:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 14:42:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 14:42:21,001 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:42:21,003 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:42:27,518 INFO L? ?]: Removed 145 outVars from TransFormulas that were not future-live. [2024-11-13 14:42:27,518 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:42:27,533 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:42:27,533 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:42:27,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:42:27 BoogieIcfgContainer [2024-11-13 14:42:27,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:42:27,537 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:42:27,537 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:42:27,541 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:42:27,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:42:16" (1/3) ... [2024-11-13 14:42:27,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95de6a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:42:27, skipping insertion in model container [2024-11-13 14:42:27,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:19" (2/3) ... [2024-11-13 14:42:27,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95de6a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:42:27, skipping insertion in model container [2024-11-13 14:42:27,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:42:27" (3/3) ... [2024-11-13 14:42:27,545 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_capacity_harness.i [2024-11-13 14:42:27,560 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:42:27,562 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_capacity_harness.i that has 18 procedures, 185 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 14:42:27,647 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:42:27,660 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;@1ab0d0ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:42:27,660 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:42:27,665 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 119 states have (on average 1.2100840336134453) internal successors, (144), 120 states have internal predecessors, (144), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-13 14:42:27,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-13 14:42:27,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:27,689 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] [2024-11-13 14:42:27,689 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:27,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:27,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1700414357, now seen corresponding path program 1 times [2024-11-13 14:42:27,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:27,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506410843] [2024-11-13 14:42:27,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:27,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:36,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:42:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:36,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 14:42:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:36,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:42:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:36,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:36,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 14:42:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:36,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 14:42:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:36,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:42:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:36,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 14:42:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:36,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 14:42:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:36,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 14:42:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:36,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 14:42:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:36,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 14:42:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:36,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:42:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:36,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 14:42:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:36,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 14:42:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:36,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:42:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:36,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:42:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:36,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-13 14:42:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 14:42:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 14:42:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-13 14:42:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:42:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,195 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 14:42:37,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:37,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506410843] [2024-11-13 14:42:37,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506410843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:37,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:37,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:42:37,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740641852] [2024-11-13 14:42:37,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:37,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:42:37,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:37,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:42:37,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:42:37,242 INFO L87 Difference]: Start difference. First operand has 185 states, 119 states have (on average 1.2100840336134453) internal successors, (144), 120 states have internal predecessors, (144), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 14:42:41,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:42:45,799 WARN L539 Checker$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 14:42:53,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:53,441 INFO L93 Difference]: Finished difference Result 372 states and 514 transitions. [2024-11-13 14:42:53,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:42:53,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 140 [2024-11-13 14:42:53,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:53,455 INFO L225 Difference]: With dead ends: 372 [2024-11-13 14:42:53,455 INFO L226 Difference]: Without dead ends: 205 [2024-11-13 14:42:53,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:42:53,465 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 303 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 188 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:53,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 147 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 384 Invalid, 2 Unknown, 0 Unchecked, 14.3s Time] [2024-11-13 14:42:53,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-13 14:42:53,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 180. [2024-11-13 14:42:53,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 115 states have (on average 1.191304347826087) internal successors, (137), 116 states have internal predecessors, (137), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 14:42:53,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 230 transitions. [2024-11-13 14:42:53,567 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 230 transitions. Word has length 140 [2024-11-13 14:42:53,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:53,568 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 230 transitions. [2024-11-13 14:42:53,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 14:42:53,569 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 230 transitions. [2024-11-13 14:42:53,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-13 14:42:53,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:53,577 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] [2024-11-13 14:42:53,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:42:53,578 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:53,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:53,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1241223021, now seen corresponding path program 1 times [2024-11-13 14:42:53,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:53,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099642065] [2024-11-13 14:42:53,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:53,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:00,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:43:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:00,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 14:43:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:00,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:43:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:00,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 14:43:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 14:43:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:43:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 14:43:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 14:43:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 14:43:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 14:43:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 14:43:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:43:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 14:43:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 14:43:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:43:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:02,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:43:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:02,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-13 14:43:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:02,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 14:43:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:02,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 14:43:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:02,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-13 14:43:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:02,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:43:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:02,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:02,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:02,636 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 14:43:02,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:02,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099642065] [2024-11-13 14:43:02,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099642065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:02,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:02,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:43:02,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140567921] [2024-11-13 14:43:02,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:02,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:43:02,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:02,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:43:02,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:43:02,648 INFO L87 Difference]: Start difference. First operand 180 states and 230 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-13 14:43:06,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:43:11,117 WARN L539 Checker$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 14:43:26,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:26,029 INFO L93 Difference]: Finished difference Result 331 states and 431 transitions. [2024-11-13 14:43:26,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:43:26,030 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 140 [2024-11-13 14:43:26,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:26,034 INFO L225 Difference]: With dead ends: 331 [2024-11-13 14:43:26,034 INFO L226 Difference]: Without dead ends: 205 [2024-11-13 14:43:26,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-13 14:43:26,037 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 335 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 935 mSolverCounterSat, 194 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 935 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:26,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 199 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 935 Invalid, 2 Unknown, 0 Unchecked, 20.3s Time] [2024-11-13 14:43:26,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-13 14:43:26,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 180. [2024-11-13 14:43:26,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 115 states have (on average 1.182608695652174) internal successors, (136), 116 states have internal predecessors, (136), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 14:43:26,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 229 transitions. [2024-11-13 14:43:26,072 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 229 transitions. Word has length 140 [2024-11-13 14:43:26,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:26,073 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 229 transitions. [2024-11-13 14:43:26,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-13 14:43:26,073 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 229 transitions. [2024-11-13 14:43:26,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-13 14:43:26,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:26,076 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] [2024-11-13 14:43:26,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:43:26,077 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:26,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:26,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1470187877, now seen corresponding path program 1 times [2024-11-13 14:43:26,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:26,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321050970] [2024-11-13 14:43:26,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:26,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:33,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:43:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:33,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 14:43:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:33,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:43:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:33,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:33,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 14:43:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:33,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 14:43:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:33,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:43:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:33,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 14:43:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:33,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 14:43:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:33,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 14:43:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:33,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 14:43:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:33,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 14:43:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:33,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:43:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:33,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 14:43:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:33,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 14:43:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:33,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:43:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:43:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:35,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 14:43:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:35,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:43:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:35,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 14:43:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:35,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 14:43:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:35,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 14:43:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:35,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 14:43:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:35,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 14:43:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:35,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 14:43:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:35,465 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 14:43:35,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:35,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321050970] [2024-11-13 14:43:35,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321050970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:43:35,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843267778] [2024-11-13 14:43:35,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:35,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:43:35,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:43:35,469 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:43:35,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:43:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:42,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 4558 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:43:42,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:43:44,572 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 14:43:44,572 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:43:44,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843267778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:44,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:43:44,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-13 14:43:44,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926065428] [2024-11-13 14:43:44,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:44,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:43:44,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:44,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:43:44,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2024-11-13 14:43:44,575 INFO L87 Difference]: Start difference. First operand 180 states and 229 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-13 14:43:46,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:46,660 INFO L93 Difference]: Finished difference Result 325 states and 420 transitions. [2024-11-13 14:43:46,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:43:46,661 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 148 [2024-11-13 14:43:46,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:46,664 INFO L225 Difference]: With dead ends: 325 [2024-11-13 14:43:46,664 INFO L226 Difference]: Without dead ends: 182 [2024-11-13 14:43:46,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2024-11-13 14:43:46,666 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 39 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:46,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1261 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 14:43:46,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-13 14:43:46,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-11-13 14:43:46,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 116 states have (on average 1.1810344827586208) internal successors, (137), 118 states have internal predecessors, (137), 47 states have call successors, (47), 17 states have call predecessors, (47), 18 states have return successors, (49), 46 states have call predecessors, (49), 46 states have call successors, (49) [2024-11-13 14:43:46,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 233 transitions. [2024-11-13 14:43:46,706 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 233 transitions. Word has length 148 [2024-11-13 14:43:46,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:46,707 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 233 transitions. [2024-11-13 14:43:46,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-13 14:43:46,708 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 233 transitions. [2024-11-13 14:43:46,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-13 14:43:46,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:46,711 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] [2024-11-13 14:43:46,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:43:46,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:43:46,912 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:46,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:46,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1704132089, now seen corresponding path program 1 times [2024-11-13 14:43:46,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:46,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636792589] [2024-11-13 14:43:46,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:46,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:43:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 14:43:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:54,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:43:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:54,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:54,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 14:43:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:54,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 14:43:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:54,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:43:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:54,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 14:43:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:54,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 14:43:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:54,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 14:43:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:54,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 14:43:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:54,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 14:43:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:54,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:43:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:54,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 14:43:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:54,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 14:43:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:54,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:43:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:55,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:43:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:56,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:43:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:56,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:43:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:56,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:56,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:56,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:56,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:56,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:56,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:43:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:56,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 14:43:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:56,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 14:43:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:56,496 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 14:43:56,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:56,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636792589] [2024-11-13 14:43:56,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636792589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:56,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:56,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 14:43:56,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709919153] [2024-11-13 14:43:56,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:56,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:43:56,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:56,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:43:56,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:43:56,500 INFO L87 Difference]: Start difference. First operand 182 states and 233 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-13 14:44:00,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:44:04,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:44:09,299 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 14:44:27,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:44:27,686 INFO L93 Difference]: Finished difference Result 315 states and 404 transitions. [2024-11-13 14:44:27,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 14:44:27,687 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 163 [2024-11-13 14:44:27,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:44:27,690 INFO L225 Difference]: With dead ends: 315 [2024-11-13 14:44:27,690 INFO L226 Difference]: Without dead ends: 186 [2024-11-13 14:44:27,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:44:27,692 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 286 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 1184 mSolverCounterSat, 192 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 1184 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:44:27,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 247 Invalid, 1379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 1184 Invalid, 3 Unknown, 0 Unchecked, 27.8s Time] [2024-11-13 14:44:27,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-13 14:44:27,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 182. [2024-11-13 14:44:27,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 116 states have (on average 1.1724137931034482) internal successors, (136), 118 states have internal predecessors, (136), 47 states have call successors, (47), 17 states have call predecessors, (47), 18 states have return successors, (49), 46 states have call predecessors, (49), 46 states have call successors, (49) [2024-11-13 14:44:27,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 232 transitions. [2024-11-13 14:44:27,723 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 232 transitions. Word has length 163 [2024-11-13 14:44:27,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:44:27,724 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 232 transitions. [2024-11-13 14:44:27,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-13 14:44:27,724 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 232 transitions. [2024-11-13 14:44:27,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-13 14:44:27,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:44:27,728 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] [2024-11-13 14:44:27,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:44:27,728 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:44:27,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:44:27,729 INFO L85 PathProgramCache]: Analyzing trace with hash 144005882, now seen corresponding path program 1 times [2024-11-13 14:44:27,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:44:27,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320326880] [2024-11-13 14:44:27,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:44:27,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:44:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:34,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:44:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:34,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 14:44:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:34,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:44:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:34,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:44:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:34,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 14:44:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:34,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 14:44:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:34,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:44:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:34,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 14:44:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:34,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 14:44:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:34,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 14:44:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:34,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 14:44:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:34,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 14:44:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:34,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:44:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:35,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 14:44:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:35,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 14:44:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:35,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:44:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:36,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:44:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:36,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:44:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:36,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:44:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:36,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 14:44:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:37,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:44:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:37,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 14:44:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:37,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:44:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:37,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:44:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:37,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 14:44:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:37,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 14:44:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:37,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 14:44:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:37,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 14:44:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:37,522 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 14:44:37,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:44:37,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320326880] [2024-11-13 14:44:37,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320326880] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:44:37,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844292263] [2024-11-13 14:44:37,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:44:37,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:44:37,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:44:37,526 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:44:37,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:44:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:44,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 4749 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:44:44,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:44:45,121 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 14:44:45,121 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:44:45,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844292263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:44:45,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:44:45,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [12] total 14 [2024-11-13 14:44:45,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702087837] [2024-11-13 14:44:45,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:44:45,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:44:45,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:44:45,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:44:45,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:44:45,124 INFO L87 Difference]: Start difference. First operand 182 states and 232 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-13 14:44:45,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:44:45,304 INFO L93 Difference]: Finished difference Result 310 states and 401 transitions. [2024-11-13 14:44:45,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:44:45,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 179 [2024-11-13 14:44:45,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:44:45,308 INFO L225 Difference]: With dead ends: 310 [2024-11-13 14:44:45,308 INFO L226 Difference]: Without dead ends: 184 [2024-11-13 14:44:45,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:44:45,310 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 0 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 671 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 14:44:45,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 671 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:44:45,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-13 14:44:45,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-11-13 14:44:45,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 118 states have (on average 1.1694915254237288) internal successors, (138), 120 states have internal predecessors, (138), 47 states have call successors, (47), 17 states have call predecessors, (47), 18 states have return successors, (49), 46 states have call predecessors, (49), 46 states have call successors, (49) [2024-11-13 14:44:45,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 234 transitions. [2024-11-13 14:44:45,347 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 234 transitions. Word has length 179 [2024-11-13 14:44:45,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:44:45,347 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 234 transitions. [2024-11-13 14:44:45,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-13 14:44:45,348 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 234 transitions. [2024-11-13 14:44:45,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-13 14:44:45,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:44:45,351 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] [2024-11-13 14:44:45,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 14:44:45,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:44:45,552 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:44:45,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:44:45,552 INFO L85 PathProgramCache]: Analyzing trace with hash 116940280, now seen corresponding path program 1 times [2024-11-13 14:44:45,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:44:45,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464796146] [2024-11-13 14:44:45,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:44:45,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:44:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:52,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:44:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:52,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 14:44:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:52,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:44:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:52,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:44:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:52,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 14:44:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:52,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 14:44:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:52,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:44:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:52,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 14:44:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:52,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 14:44:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:52,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 14:44:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:52,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 14:44:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:52,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 14:44:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:52,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:44:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:52,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 14:44:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:52,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 14:44:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:53,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:44:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:53,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:44:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:54,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:44:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:54,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:44:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:54,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 14:44:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:54,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:44:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:54,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 14:44:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:54,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:44:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:54,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:44:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:54,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 14:44:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:55,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 14:44:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:55,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 14:44:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:55,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 14:44:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:55,026 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 14:44:55,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:44:55,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464796146] [2024-11-13 14:44:55,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464796146] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:44:55,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155027676] [2024-11-13 14:44:55,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:44:55,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:44:55,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:44:55,029 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:44:55,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 14:45:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:01,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 4754 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:45:01,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:45:02,418 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 14:45:02,419 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:45:02,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155027676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:45:02,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:45:02,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [12] total 14 [2024-11-13 14:45:02,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331678392] [2024-11-13 14:45:02,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:45:02,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:45:02,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:45:02,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:45:02,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:45:02,421 INFO L87 Difference]: Start difference. First operand 184 states and 234 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-13 14:45:02,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:45:02,628 INFO L93 Difference]: Finished difference Result 315 states and 402 transitions. [2024-11-13 14:45:02,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:45:02,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 179 [2024-11-13 14:45:02,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:45:02,631 INFO L225 Difference]: With dead ends: 315 [2024-11-13 14:45:02,631 INFO L226 Difference]: Without dead ends: 187 [2024-11-13 14:45:02,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:45:02,634 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 1 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 667 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 14:45:02,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 667 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:45:02,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-13 14:45:02,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 186. [2024-11-13 14:45:02,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 120 states have (on average 1.1666666666666667) internal successors, (140), 122 states have internal predecessors, (140), 47 states have call successors, (47), 17 states have call predecessors, (47), 18 states have return successors, (49), 46 states have call predecessors, (49), 46 states have call successors, (49) [2024-11-13 14:45:02,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 236 transitions. [2024-11-13 14:45:02,671 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 236 transitions. Word has length 179 [2024-11-13 14:45:02,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:45:02,671 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 236 transitions. [2024-11-13 14:45:02,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-13 14:45:02,672 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 236 transitions. [2024-11-13 14:45:02,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-13 14:45:02,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:45:02,676 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] [2024-11-13 14:45:02,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 14:45:02,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-13 14:45:02,877 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:45:02,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:45:02,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1377857530, now seen corresponding path program 1 times [2024-11-13 14:45:02,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:45:02,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928224592] [2024-11-13 14:45:02,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:45:02,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:45:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:08,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:45:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:08,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 14:45:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:08,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:45:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:08,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:45:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:08,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 14:45:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:08,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 14:45:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:08,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:45:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:08,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 14:45:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:08,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 14:45:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:08,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 14:45:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:08,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 14:45:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:08,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 14:45:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:08,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:45:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:08,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 14:45:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:08,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 14:45:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:08,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:45:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:09,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:45:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:09,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:45:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:09,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:45:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:09,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 14:45:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:10,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:45:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:10,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 14:45:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:10,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:45:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:10,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:45:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:10,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 14:45:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:10,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 14:45:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:10,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 14:45:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:10,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 14:45:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:10,853 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 14:45:10,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:45:10,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928224592] [2024-11-13 14:45:10,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928224592] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:45:10,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970897391] [2024-11-13 14:45:10,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:45:10,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:45:10,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:45:10,857 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:45:10,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 14:45:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:18,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 4749 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 14:45:18,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:45:21,294 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 14:45:21,295 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:45:21,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970897391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:45:21,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:45:21,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2024-11-13 14:45:21,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123780648] [2024-11-13 14:45:21,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:45:21,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:45:21,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:45:21,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:45:21,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:45:21,298 INFO L87 Difference]: Start difference. First operand 186 states and 236 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) [2024-11-13 14:45:24,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:45:24,057 INFO L93 Difference]: Finished difference Result 334 states and 425 transitions. [2024-11-13 14:45:24,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:45:24,058 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) Word has length 179 [2024-11-13 14:45:24,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:45:24,061 INFO L225 Difference]: With dead ends: 334 [2024-11-13 14:45:24,061 INFO L226 Difference]: Without dead ends: 186 [2024-11-13 14:45:24,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:45:24,063 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 61 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 1306 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:45:24,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 1306 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-13 14:45:24,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-13 14:45:24,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2024-11-13 14:45:24,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 120 states have (on average 1.1666666666666667) internal successors, (140), 122 states have internal predecessors, (140), 47 states have call successors, (47), 17 states have call predecessors, (47), 18 states have return successors, (48), 46 states have call predecessors, (48), 46 states have call successors, (48) [2024-11-13 14:45:24,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 235 transitions. [2024-11-13 14:45:24,089 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 235 transitions. Word has length 179 [2024-11-13 14:45:24,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:45:24,089 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 235 transitions. [2024-11-13 14:45:24,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) [2024-11-13 14:45:24,090 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 235 transitions. [2024-11-13 14:45:24,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-13 14:45:24,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:45:24,093 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] [2024-11-13 14:45:24,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 14:45:24,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-13 14:45:24,294 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:45:24,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:45:24,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1466778294, now seen corresponding path program 2 times [2024-11-13 14:45:24,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:45:24,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217998111] [2024-11-13 14:45:24,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:45:24,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:45:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:30,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:45:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:30,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 14:45:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:30,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:45:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:30,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:45:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:30,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 14:45:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:30,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 14:45:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:30,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:45:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:30,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 14:45:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:30,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 14:45:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:30,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 14:45:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:30,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 14:45:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:30,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 14:45:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:30,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:45:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:30,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 14:45:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:30,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 14:45:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:31,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:45:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:31,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:45:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:31,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:45:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:31,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:45:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:31,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 14:45:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:31,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:45:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:31,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:45:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:31,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 14:45:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:31,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 14:45:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:31,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 14:45:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:31,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-13 14:45:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:31,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-13 14:45:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:31,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 14:45:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:32,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-13 14:45:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:32,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-13 14:45:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:45:32,357 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 14:45:32,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:45:32,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217998111] [2024-11-13 14:45:32,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217998111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:45:32,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52978291] [2024-11-13 14:45:32,358 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:45:32,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:45:32,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:45:32,361 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:45:32,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fab0ef1-ddb4-40a2-a9ca-120437a3e461/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process