./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_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_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/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_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/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_c950bbfe-e747-44a4-a542-b3b3b6af3e86/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 02a1ef197fe295e0adddb84ae3aa2db56396688008aeca91e1ab4b161b42690c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:56:05,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:56:05,118 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 13:56:05,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:56:05,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:56:05,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:56:05,179 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:56:05,179 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:56:05,179 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:56:05,180 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:56:05,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:56:05,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:56:05,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:56:05,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:56:05,180 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:56:05,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:56:05,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:56:05,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:56:05,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:56:05,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:56:05,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:56:05,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:56:05,182 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:56:05,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:56:05,185 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:56:05,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:56:05,185 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:56:05,186 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:56:05,186 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:56:05,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:56:05,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:56:05,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:56:05,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:56:05,187 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:56:05,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:56:05,187 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:56:05,188 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:56:05,189 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:56:05,189 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:56:05,189 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_c950bbfe-e747-44a4-a542-b3b3b6af3e86/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 -> 02a1ef197fe295e0adddb84ae3aa2db56396688008aeca91e1ab4b161b42690c [2024-11-13 13:56:05,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:56:05,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:56:05,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:56:05,598 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:56:05,598 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:56:05,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i Unable to find full path for "g++" [2024-11-13 13:56:07,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:56:08,687 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:56:08,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i [2024-11-13 13:56:08,740 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/data/8f90220f7/c88f5e7dfc814822835c25db32378bd5/FLAGd569db1e1 [2024-11-13 13:56:08,759 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/data/8f90220f7/c88f5e7dfc814822835c25db32378bd5 [2024-11-13 13:56:08,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:56:08,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:56:08,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:56:08,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:56:08,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:56:08,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:56:08" (1/1) ... [2024-11-13 13:56:08,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@638ffeaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:56:08, skipping insertion in model container [2024-11-13 13:56:08,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:56:08" (1/1) ... [2024-11-13 13:56:08,937 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:56:09,347 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_c950bbfe-e747-44a4-a542-b3b3b6af3e86/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4505,4518] [2024-11-13 13:56:09,358 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_c950bbfe-e747-44a4-a542-b3b3b6af3e86/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4565,4578] [2024-11-13 13:56:10,695 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:10,696 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:10,697 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:10,698 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:10,700 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:10,720 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:10,721 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:10,724 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:10,724 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:11,513 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:11,514 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:11,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:56:11,690 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:56:11,705 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_c950bbfe-e747-44a4-a542-b3b3b6af3e86/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4505,4518] [2024-11-13 13:56:11,706 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_c950bbfe-e747-44a4-a542-b3b3b6af3e86/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4565,4578] [2024-11-13 13:56:11,820 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:11,821 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:11,821 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:11,822 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:11,822 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:11,841 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:11,841 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:11,843 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:11,847 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:11,970 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:11,974 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 13:56:11,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-13 13:56:12,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:56:12,374 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:56:12,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:56:12 WrapperNode [2024-11-13 13:56:12,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:56:12,377 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:56:12,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:56:12,377 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:56:12,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:56:12" (1/1) ... [2024-11-13 13:56:12,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:56:12" (1/1) ... [2024-11-13 13:56:12,589 INFO L138 Inliner]: procedures = 678, calls = 1530, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 763 [2024-11-13 13:56:12,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:56:12,591 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:56:12,591 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:56:12,591 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:56:12,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:56:12" (1/1) ... [2024-11-13 13:56:12,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:56:12" (1/1) ... [2024-11-13 13:56:12,621 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:56:12" (1/1) ... [2024-11-13 13:56:12,764 INFO L175 MemorySlicer]: Split 301 memory accesses to 5 slices as follows [2, 238, 48, 5, 8]. 79 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 6, 0, 5, 2]. The 252 writes are split as follows [0, 232, 19, 0, 1]. [2024-11-13 13:56:12,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:56:12" (1/1) ... [2024-11-13 13:56:12,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:56:12" (1/1) ... [2024-11-13 13:56:12,840 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:56:12" (1/1) ... [2024-11-13 13:56:12,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:56:12" (1/1) ... [2024-11-13 13:56:12,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:56:12" (1/1) ... [2024-11-13 13:56:12,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:56:12" (1/1) ... [2024-11-13 13:56:12,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:56:12,899 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:56:12,899 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:56:12,899 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:56:12,900 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:56:12" (1/1) ... [2024-11-13 13:56:12,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:56:12,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:56:12,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:56:12,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:56:12,994 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-13 13:56:12,994 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-13 13:56:12,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 13:56:12,996 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-13 13:56:12,996 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-13 13:56:12,996 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-13 13:56:12,996 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-13 13:56:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-13 13:56:12,997 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-13 13:56:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-13 13:56:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-13 13:56:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-13 13:56:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-13 13:56:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-13 13:56:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 13:56:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 13:56:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 13:56:12,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 13:56:12,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 13:56:13,002 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-13 13:56:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-13 13:56:13,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 13:56:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 13:56:13,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 13:56:13,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:56:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 13:56:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 13:56:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 13:56:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-13 13:56:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-13 13:56:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:56:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:56:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-13 13:56:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-13 13:56:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-13 13:56:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-13 13:56:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-13 13:56:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-13 13:56:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-13 13:56:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-13 13:56:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-13 13:56:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-13 13:56:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-13 13:56:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-13 13:56:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-13 13:56:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-13 13:56:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-13 13:56:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:56:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:56:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 13:56:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 13:56:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 13:56:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 13:56:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 13:56:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-13 13:56:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 13:56:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 13:56:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 13:56:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-13 13:56:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-13 13:56:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-13 13:56:13,005 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-13 13:56:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-13 13:56:13,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-13 13:56:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 13:56:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 13:56:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 13:56:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 13:56:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 13:56:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-13 13:56:13,006 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-13 13:56:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-13 13:56:13,006 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-13 13:56:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:56:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 13:56:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 13:56:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 13:56:13,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 13:56:13,515 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:56:13,519 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:56:20,639 INFO L? ?]: Removed 151 outVars from TransFormulas that were not future-live. [2024-11-13 13:56:20,640 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:56:20,659 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:56:20,660 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-13 13:56:20,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:56:20 BoogieIcfgContainer [2024-11-13 13:56:20,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:56:20,664 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:56:20,664 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:56:20,669 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:56:20,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:56:08" (1/3) ... [2024-11-13 13:56:20,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f337da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:56:20, skipping insertion in model container [2024-11-13 13:56:20,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:56:12" (2/3) ... [2024-11-13 13:56:20,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f337da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:56:20, skipping insertion in model container [2024-11-13 13:56:20,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:56:20" (3/3) ... [2024-11-13 13:56:20,675 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness.i [2024-11-13 13:56:20,694 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:56:20,696 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_init_dynamic_harness.i that has 17 procedures, 217 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-13 13:56:20,777 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:56:20,794 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;@38e32de3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:56:20,794 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:56:20,800 INFO L276 IsEmpty]: Start isEmpty. Operand has 217 states, 139 states have (on average 1.2446043165467626) internal successors, (173), 139 states have internal predecessors, (173), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-13 13:56:20,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-13 13:56:20,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:56:20,823 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:56:20,825 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:56:20,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:56:20,833 INFO L85 PathProgramCache]: Analyzing trace with hash 875183517, now seen corresponding path program 1 times [2024-11-13 13:56:20,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:56:20,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981670827] [2024-11-13 13:56:20,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:56:20,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:56:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:56:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:56:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:56:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 13:56:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:56:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:56:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:56:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 13:56:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 13:56:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 13:56:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 13:56:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 13:56:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 13:56:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:56:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 13:56:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 13:56:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:56:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 13:56:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 13:56:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 13:56:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 13:56:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 13:56:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-13 13:56:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 13:56:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:30,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:56:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:31,022 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-13 13:56:31,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:56:31,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981670827] [2024-11-13 13:56:31,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981670827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:56:31,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:56:31,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:56:31,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546162680] [2024-11-13 13:56:31,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:56:31,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:56:31,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:56:31,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:56:31,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:56:31,065 INFO L87 Difference]: Start difference. First operand has 217 states, 139 states have (on average 1.2446043165467626) internal successors, (173), 139 states have internal predecessors, (173), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-13 13:56:35,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:56:39,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:56:43,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:56:43,739 INFO L93 Difference]: Finished difference Result 432 states and 635 transitions. [2024-11-13 13:56:43,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:56:43,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 144 [2024-11-13 13:56:43,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:56:43,753 INFO L225 Difference]: With dead ends: 432 [2024-11-13 13:56:43,754 INFO L226 Difference]: Without dead ends: 234 [2024-11-13 13:56:43,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:56:43,765 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 159 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 144 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:56:43,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 433 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 213 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2024-11-13 13:56:43,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-13 13:56:43,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 210. [2024-11-13 13:56:43,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 131 states have (on average 1.213740458015267) internal successors, (159), 133 states have internal predecessors, (159), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-13 13:56:43,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 281 transitions. [2024-11-13 13:56:43,846 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 281 transitions. Word has length 144 [2024-11-13 13:56:43,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:56:43,846 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 281 transitions. [2024-11-13 13:56:43,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-13 13:56:43,847 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 281 transitions. [2024-11-13 13:56:43,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-13 13:56:43,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:56:43,855 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:56:43,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:56:43,855 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:56:43,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:56:43,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1603999703, now seen corresponding path program 1 times [2024-11-13 13:56:43,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:56:43,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109601835] [2024-11-13 13:56:43,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:56:43,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:56:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:52,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:56:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:52,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:56:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:52,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:56:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:52,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 13:56:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:52,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:56:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:52,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:56:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:52,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:56:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:52,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 13:56:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:52,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 13:56:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:52,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 13:56:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:52,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 13:56:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:52,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 13:56:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:52,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 13:56:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:52,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:56:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:52,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 13:56:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:52,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 13:56:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:52,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:56:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:52,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 13:56:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:52,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 13:56:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:53,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 13:56:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:53,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 13:56:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:53,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:56:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:54,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:56:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:54,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 13:56:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:54,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 13:56:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:54,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 13:56:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:54,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-13 13:56:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:54,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:56:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:54,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:56:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:54,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 13:56:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:54,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:56:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-13 13:56:54,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:56:54,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109601835] [2024-11-13 13:56:54,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109601835] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:56:54,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740446357] [2024-11-13 13:56:54,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:56:54,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:56:54,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:56:54,442 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:56:54,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:57:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:02,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 4561 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 13:57:02,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:57:05,539 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2024-11-13 13:57:05,539 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:57:08,191 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-13 13:57:08,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740446357] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 13:57:08,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:57:08,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9, 10] total 19 [2024-11-13 13:57:08,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168323065] [2024-11-13 13:57:08,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:57:08,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:57:08,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:08,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:57:08,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:57:08,195 INFO L87 Difference]: Start difference. First operand 210 states and 281 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-13 13:57:08,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:57:08,853 INFO L93 Difference]: Finished difference Result 218 states and 289 transitions. [2024-11-13 13:57:08,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:57:08,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 178 [2024-11-13 13:57:08,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:57:08,858 INFO L225 Difference]: With dead ends: 218 [2024-11-13 13:57:08,858 INFO L226 Difference]: Without dead ends: 216 [2024-11-13 13:57:08,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2024-11-13 13:57:08,860 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 3 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:57:08,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1094 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:57:08,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-13 13:57:08,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 215. [2024-11-13 13:57:08,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 134 states have (on average 1.208955223880597) internal successors, (162), 137 states have internal predecessors, (162), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-13 13:57:08,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 286 transitions. [2024-11-13 13:57:08,896 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 286 transitions. Word has length 178 [2024-11-13 13:57:08,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:57:08,899 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 286 transitions. [2024-11-13 13:57:08,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-13 13:57:08,899 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 286 transitions. [2024-11-13 13:57:08,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-13 13:57:08,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:57:08,905 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:08,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:57:09,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:57:09,106 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:57:09,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:09,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1605846745, now seen corresponding path program 1 times [2024-11-13 13:57:09,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:09,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386535186] [2024-11-13 13:57:09,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:09,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:16,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:57:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:16,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:57:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:16,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:57:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:16,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 13:57:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:16,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:57:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:16,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:57:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:16,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:57:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:16,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 13:57:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:16,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 13:57:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:16,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 13:57:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:16,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 13:57:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:16,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 13:57:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:16,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 13:57:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:16,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:57:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:16,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 13:57:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:17,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 13:57:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:17,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:57:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:17,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 13:57:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:17,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 13:57:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:17,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 13:57:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:17,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 13:57:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:17,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:57:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:18,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:57:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:18,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 13:57:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:18,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 13:57:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:18,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 13:57:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:18,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-13 13:57:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:18,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:57:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:18,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:57:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:18,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 13:57:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:18,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:57:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:18,428 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-13 13:57:18,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:18,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386535186] [2024-11-13 13:57:18,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386535186] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:57:18,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135940809] [2024-11-13 13:57:18,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:18,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:57:18,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:57:18,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:57:18,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:57:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:26,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 4566 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 13:57:26,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:57:26,851 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-13 13:57:26,852 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:57:26,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135940809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:57:26,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:57:26,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11 [2024-11-13 13:57:26,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371836393] [2024-11-13 13:57:26,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:57:26,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:57:26,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:26,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:57:26,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:57:26,855 INFO L87 Difference]: Start difference. First operand 215 states and 286 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-13 13:57:27,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:57:27,436 INFO L93 Difference]: Finished difference Result 398 states and 523 transitions. [2024-11-13 13:57:27,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:57:27,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 178 [2024-11-13 13:57:27,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:57:27,444 INFO L225 Difference]: With dead ends: 398 [2024-11-13 13:57:27,444 INFO L226 Difference]: Without dead ends: 215 [2024-11-13 13:57:27,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:57:27,451 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 6 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:57:27,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1356 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:57:27,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-13 13:57:27,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-13 13:57:27,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 134 states have (on average 1.2014925373134329) internal successors, (161), 137 states have internal predecessors, (161), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-13 13:57:27,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 285 transitions. [2024-11-13 13:57:27,488 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 285 transitions. Word has length 178 [2024-11-13 13:57:27,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:57:27,489 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 285 transitions. [2024-11-13 13:57:27,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-13 13:57:27,490 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 285 transitions. [2024-11-13 13:57:27,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-13 13:57:27,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:57:27,494 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:27,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 13:57:27,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:57:27,695 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:57:27,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:27,695 INFO L85 PathProgramCache]: Analyzing trace with hash -526408119, now seen corresponding path program 1 times [2024-11-13 13:57:27,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:27,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245538439] [2024-11-13 13:57:27,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:27,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:36,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:57:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:36,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:57:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:36,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:57:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:36,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 13:57:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:36,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:57:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:36,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:57:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:36,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:57:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:36,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 13:57:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:36,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 13:57:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:36,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 13:57:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:36,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 13:57:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:36,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 13:57:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:36,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 13:57:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:36,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:57:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:36,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 13:57:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:36,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 13:57:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:36,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:57:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:36,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 13:57:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:36,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 13:57:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:36,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 13:57:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:37,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 13:57:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:37,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:57:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:38,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:57:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:38,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 13:57:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:38,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 13:57:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:38,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 13:57:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:38,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 13:57:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:38,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:57:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:38,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:57:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:38,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 13:57:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:38,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:57:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:38,876 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-13 13:57:38,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:38,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245538439] [2024-11-13 13:57:38,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245538439] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:57:38,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38624777] [2024-11-13 13:57:38,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:38,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:57:38,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:57:38,882 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:57:38,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:57:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:46,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 4582 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 13:57:46,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:57:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-13 13:57:47,866 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:57:47,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38624777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:57:47,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:57:47,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 13 [2024-11-13 13:57:47,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650765243] [2024-11-13 13:57:47,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:57:47,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:57:47,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:47,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:57:47,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:57:47,870 INFO L87 Difference]: Start difference. First operand 215 states and 285 transitions. Second operand has 7 states, 6 states have (on average 12.166666666666666) internal successors, (73), 7 states have internal predecessors, (73), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-13 13:57:48,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:57:48,443 INFO L93 Difference]: Finished difference Result 400 states and 524 transitions. [2024-11-13 13:57:48,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:57:48,444 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.166666666666666) internal successors, (73), 7 states have internal predecessors, (73), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 182 [2024-11-13 13:57:48,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:57:48,447 INFO L225 Difference]: With dead ends: 400 [2024-11-13 13:57:48,448 INFO L226 Difference]: Without dead ends: 216 [2024-11-13 13:57:48,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:57:48,450 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 6 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:57:48,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1356 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:57:48,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-13 13:57:48,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2024-11-13 13:57:48,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 135 states have (on average 1.2) internal successors, (162), 138 states have internal predecessors, (162), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-13 13:57:48,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 286 transitions. [2024-11-13 13:57:48,476 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 286 transitions. Word has length 182 [2024-11-13 13:57:48,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:57:48,477 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 286 transitions. [2024-11-13 13:57:48,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.166666666666666) internal successors, (73), 7 states have internal predecessors, (73), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-13 13:57:48,477 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 286 transitions. [2024-11-13 13:57:48,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-13 13:57:48,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:57:48,481 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:48,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 13:57:48,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:57:48,681 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:57:48,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:48,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1337931167, now seen corresponding path program 1 times [2024-11-13 13:57:48,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:48,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175242686] [2024-11-13 13:57:48,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:48,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:57,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:57:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:57,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:57:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:57,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:57:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:57,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 13:57:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:57,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:57:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:57,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:57:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:57,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:57:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:57,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 13:57:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:57,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 13:57:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:57,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 13:57:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:57,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 13:57:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:57,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 13:57:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:57,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 13:57:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:57,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:57:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:57,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 13:57:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:58,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 13:57:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:58,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:57:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:58,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 13:57:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:58,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 13:57:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:58,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 13:57:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:58,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 13:57:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:58,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:57:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:00,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:58:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:00,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 13:58:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:00,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 13:58:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:00,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-13 13:58:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:00,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 13:58:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:00,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:58:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:00,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:58:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:00,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-13 13:58:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:00,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:58:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:00,215 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-13 13:58:00,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:58:00,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175242686] [2024-11-13 13:58:00,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175242686] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:58:00,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37476889] [2024-11-13 13:58:00,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:00,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:58:00,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:58:00,219 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:58:00,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 13:58:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:11,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 4620 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 13:58:11,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:58:12,767 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 153 proven. 1 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-11-13 13:58:12,767 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:58:16,605 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-13 13:58:16,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37476889] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:58:16,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:58:16,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 19 [2024-11-13 13:58:16,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4327312] [2024-11-13 13:58:16,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:58:16,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 13:58:16,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:58:16,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 13:58:16,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:58:16,608 INFO L87 Difference]: Start difference. First operand 216 states and 286 transitions. Second operand has 19 states, 17 states have (on average 6.117647058823529) internal successors, (104), 16 states have internal predecessors, (104), 6 states have call successors, (48), 5 states have call predecessors, (48), 6 states have return successors, (42), 6 states have call predecessors, (42), 6 states have call successors, (42) [2024-11-13 13:58:20,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:58:25,046 WARN L539 Checker$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 13:58:55,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:58:55,665 INFO L93 Difference]: Finished difference Result 426 states and 562 transitions. [2024-11-13 13:58:55,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 13:58:55,666 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 6.117647058823529) internal successors, (104), 16 states have internal predecessors, (104), 6 states have call successors, (48), 5 states have call predecessors, (48), 6 states have return successors, (42), 6 states have call predecessors, (42), 6 states have call successors, (42) Word has length 184 [2024-11-13 13:58:55,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:58:55,672 INFO L225 Difference]: With dead ends: 426 [2024-11-13 13:58:55,672 INFO L226 Difference]: Without dead ends: 241 [2024-11-13 13:58:55,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 420 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=165, Invalid=765, Unknown=0, NotChecked=0, Total=930 [2024-11-13 13:58:55,674 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 271 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 2330 mSolverCounterSat, 214 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 1469 SdHoareTripleChecker+Invalid, 2546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 2330 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:58:55,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 1469 Invalid, 2546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 2330 Invalid, 2 Unknown, 0 Unchecked, 35.1s Time] [2024-11-13 13:58:55,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-13 13:58:55,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 217. [2024-11-13 13:58:55,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 136 states have (on average 1.1985294117647058) internal successors, (163), 139 states have internal predecessors, (163), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-13 13:58:55,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 287 transitions. [2024-11-13 13:58:55,701 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 287 transitions. Word has length 184 [2024-11-13 13:58:55,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:58:55,702 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 287 transitions. [2024-11-13 13:58:55,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 6.117647058823529) internal successors, (104), 16 states have internal predecessors, (104), 6 states have call successors, (48), 5 states have call predecessors, (48), 6 states have return successors, (42), 6 states have call predecessors, (42), 6 states have call successors, (42) [2024-11-13 13:58:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 287 transitions. [2024-11-13 13:58:55,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-13 13:58:55,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:58:55,706 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:55,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 13:58:55,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:58:55,907 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:58:55,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:55,907 INFO L85 PathProgramCache]: Analyzing trace with hash -2042287031, now seen corresponding path program 2 times [2024-11-13 13:58:55,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:58:55,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590471355] [2024-11-13 13:58:55,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:55,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:59:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:04,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:59:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:04,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:59:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:04,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:59:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:04,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 13:59:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:04,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:59:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:04,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:59:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:04,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:59:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:04,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 13:59:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:04,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 13:59:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:04,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 13:59:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:04,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 13:59:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:04,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 13:59:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:04,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 13:59:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:04,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:59:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:04,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 13:59:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:05,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 13:59:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:05,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:59:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:05,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 13:59:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:05,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 13:59:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:05,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 13:59:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:05,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 13:59:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:05,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:59:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:07,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:59:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:07,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 13:59:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:07,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-13 13:59:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:07,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 13:59:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:07,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 13:59:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:07,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:59:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:07,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:59:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:07,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 13:59:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:07,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:59:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:07,440 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-13 13:59:07,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:59:07,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590471355] [2024-11-13 13:59:07,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590471355] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:59:07,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494097491] [2024-11-13 13:59:07,441 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:59:07,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:59:07,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:59:07,443 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:59:07,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c950bbfe-e747-44a4-a542-b3b3b6af3e86/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process