./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 188eb157187c65ed20c0598818206541e0c8a29005d59be8891bc5ebe4132fce --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:20:33,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:20:34,010 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:20:34,014 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:20:34,015 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:20:34,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:20:34,057 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:20:34,057 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:20:34,058 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:20:34,058 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:20:34,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:20:34,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:20:34,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:20:34,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:20:34,060 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:20:34,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:20:34,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:20:34,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:20:34,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:20:34,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:20:34,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:20:34,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:20:34,066 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:20:34,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:20:34,066 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:20:34,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:20:34,067 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:20:34,068 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:20:34,068 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:20:34,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:20:34,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:20:34,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:20:34,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:20:34,069 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:20:34,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:20:34,070 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:20:34,070 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:20:34,070 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:20:34,071 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:20:34,071 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 188eb157187c65ed20c0598818206541e0c8a29005d59be8891bc5ebe4132fce [2024-11-22 14:20:34,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:20:34,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:20:34,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:20:34,330 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:20:34,331 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:20:34,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness_negated.i [2024-11-22 14:20:35,589 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:20:35,939 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:20:35,941 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness_negated.i [2024-11-22 14:20:35,974 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed6b4a89f/ef5de9bb28304e5d9b3e795c19c54f39/FLAG667d06a6c [2024-11-22 14:20:35,989 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed6b4a89f/ef5de9bb28304e5d9b3e795c19c54f39 [2024-11-22 14:20:35,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:20:35,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:20:35,995 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:20:35,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:20:35,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:20:36,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:20:35" (1/1) ... [2024-11-22 14:20:36,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e03f02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:36, skipping insertion in model container [2024-11-22 14:20:36,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:20:35" (1/1) ... [2024-11-22 14:20:36,076 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:20:36,321 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness_negated.i[4504,4517] [2024-11-22 14:20:36,328 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness_negated.i[4564,4577] [2024-11-22 14:20:36,897 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,898 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,899 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,899 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,900 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,911 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,912 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,913 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,914 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:37,316 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:37,317 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:37,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:20:37,425 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:20:37,440 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness_negated.i[4504,4517] [2024-11-22 14:20:37,445 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness_negated.i[4564,4577] [2024-11-22 14:20:37,515 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:37,515 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:37,516 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:37,516 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:37,516 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:37,523 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:37,524 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:37,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:37,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:37,604 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:37,605 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:37,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7671-7682] [2024-11-22 14:20:37,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:20:37,781 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:20:37,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:37 WrapperNode [2024-11-22 14:20:37,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:20:37,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:20:37,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:20:37,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:20:37,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:37" (1/1) ... [2024-11-22 14:20:37,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:37" (1/1) ... [2024-11-22 14:20:37,911 INFO L138 Inliner]: procedures = 678, calls = 1525, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 684 [2024-11-22 14:20:37,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:20:37,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:20:37,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:20:37,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:20:37,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:37" (1/1) ... [2024-11-22 14:20:37,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:37" (1/1) ... [2024-11-22 14:20:37,935 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:37" (1/1) ... [2024-11-22 14:20:37,999 INFO L175 MemorySlicer]: Split 296 memory accesses to 5 slices as follows [2, 238, 49, 2, 5]. 80 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 6, 2, 0, 5]. The 252 writes are split as follows [0, 232, 20, 0, 0]. [2024-11-22 14:20:37,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:37" (1/1) ... [2024-11-22 14:20:38,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:37" (1/1) ... [2024-11-22 14:20:38,025 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:37" (1/1) ... [2024-11-22 14:20:38,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:37" (1/1) ... [2024-11-22 14:20:38,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:37" (1/1) ... [2024-11-22 14:20:38,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:37" (1/1) ... [2024-11-22 14:20:38,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:20:38,097 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:20:38,097 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:20:38,097 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:20:38,098 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:37" (1/1) ... [2024-11-22 14:20:38,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:20:38,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:20:38,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 14:20:38,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 14:20:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-22 14:20:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-22 14:20:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:20:38,219 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-22 14:20:38,219 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-22 14:20:38,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:20:38,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:20:38,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:20:38,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:20:38,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:20:38,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:20:38,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:20:38,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:20:38,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:20:38,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:20:38,221 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-22 14:20:38,221 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-22 14:20:38,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:20:38,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:20:38,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:20:38,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:20:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:20:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:20:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:20:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:20:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:20:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:20:38,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:20:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:20:38,222 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:20:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-22 14:20:38,223 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-22 14:20:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-22 14:20:38,223 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-22 14:20:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:20:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:20:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:20:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:20:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:20:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-22 14:20:38,223 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-22 14:20:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:20:38,224 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:20:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:20:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:20:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:20:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:20:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:20:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:20:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:20:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:20:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:20:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:20:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:20:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-22 14:20:38,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-22 14:20:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-22 14:20:38,226 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-22 14:20:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:20:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:20:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:20:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:20:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:20:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-22 14:20:38,227 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-22 14:20:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-22 14:20:38,227 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-22 14:20:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:20:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:20:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:20:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:20:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:20:38,488 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:20:38,490 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:20:44,470 INFO L? ?]: Removed 135 outVars from TransFormulas that were not future-live. [2024-11-22 14:20:44,470 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:20:44,487 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:20:44,487 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-22 14:20:44,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:20:44 BoogieIcfgContainer [2024-11-22 14:20:44,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:20:44,489 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:20:44,489 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:20:44,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:20:44,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:20:35" (1/3) ... [2024-11-22 14:20:44,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@404c3c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:20:44, skipping insertion in model container [2024-11-22 14:20:44,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:37" (2/3) ... [2024-11-22 14:20:44,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@404c3c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:20:44, skipping insertion in model container [2024-11-22 14:20:44,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:20:44" (3/3) ... [2024-11-22 14:20:44,495 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_static_harness_negated.i [2024-11-22 14:20:44,508 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:20:44,508 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:20:44,568 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:20:44,574 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;@34b4ac6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:20:44,576 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:20:44,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 107 states have internal predecessors, (130), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-22 14:20:44,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-22 14:20:44,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:20:44,594 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1] [2024-11-22 14:20:44,594 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:20:44,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:20:44,599 INFO L85 PathProgramCache]: Analyzing trace with hash 401780967, now seen corresponding path program 1 times [2024-11-22 14:20:44,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:20:44,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988484802] [2024-11-22 14:20:44,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:20:44,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:20:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:20:49,825 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-11-22 14:20:49,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:20:49,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988484802] [2024-11-22 14:20:49,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988484802] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:20:49,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162259966] [2024-11-22 14:20:49,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:20:49,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:20:49,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:20:49,829 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:20:49,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 14:20:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:20:55,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 4467 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 14:20:55,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 14:20:55,123 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-11-22 14:20:55,124 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 14:20:55,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162259966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:20:55,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 14:20:55,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 14:20:55,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31096688] [2024-11-22 14:20:55,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:20:55,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 14:20:55,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:20:55,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 14:20:55,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 14:20:55,163 INFO L87 Difference]: Start difference. First operand has 169 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 107 states have internal predecessors, (130), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-22 14:20:55,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:20:55,199 INFO L93 Difference]: Finished difference Result 314 states and 449 transitions. [2024-11-22 14:20:55,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 14:20:55,201 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 155 [2024-11-22 14:20:55,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:20:55,208 INFO L225 Difference]: With dead ends: 314 [2024-11-22 14:20:55,208 INFO L226 Difference]: Without dead ends: 163 [2024-11-22 14:20:55,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 14:20:55,214 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 14:20:55,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 14:20:55,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-22 14:20:55,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2024-11-22 14:20:55,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 101 states have (on average 1.1683168316831682) internal successors, (118), 102 states have internal predecessors, (118), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-22 14:20:55,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 213 transitions. [2024-11-22 14:20:55,259 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 213 transitions. Word has length 155 [2024-11-22 14:20:55,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:20:55,260 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 213 transitions. [2024-11-22 14:20:55,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-22 14:20:55,261 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 213 transitions. [2024-11-22 14:20:55,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-22 14:20:55,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:20:55,264 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:20:55,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 14:20:55,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 14:20:55,466 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:20:55,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:20:55,466 INFO L85 PathProgramCache]: Analyzing trace with hash 782876487, now seen corresponding path program 1 times [2024-11-22 14:20:55,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:20:55,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035010917] [2024-11-22 14:20:55,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:20:55,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:20:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:21:01,407 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-11-22 14:21:01,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:21:01,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035010917] [2024-11-22 14:21:01,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035010917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:21:01,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 14:21:01,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 14:21:01,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976329561] [2024-11-22 14:21:01,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:21:01,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 14:21:01,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:21:01,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 14:21:01,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-22 14:21:01,410 INFO L87 Difference]: Start difference. First operand 163 states and 213 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-22 14:21:03,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:21:03,016 INFO L93 Difference]: Finished difference Result 259 states and 334 transitions. [2024-11-22 14:21:03,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 14:21:03,018 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) Word has length 172 [2024-11-22 14:21:03,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:21:03,022 INFO L225 Difference]: With dead ends: 259 [2024-11-22 14:21:03,022 INFO L226 Difference]: Without dead ends: 165 [2024-11-22 14:21:03,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 14:21:03,023 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 38 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-22 14:21:03,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 1026 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-22 14:21:03,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-22 14:21:03,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-11-22 14:21:03,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 102 states have (on average 1.1666666666666667) internal successors, (119), 104 states have internal predecessors, (119), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-11-22 14:21:03,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 216 transitions. [2024-11-22 14:21:03,036 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 216 transitions. Word has length 172 [2024-11-22 14:21:03,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:21:03,037 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 216 transitions. [2024-11-22 14:21:03,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-22 14:21:03,039 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 216 transitions. [2024-11-22 14:21:03,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-22 14:21:03,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:21:03,043 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:21:03,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 14:21:03,044 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:21:03,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:21:03,044 INFO L85 PathProgramCache]: Analyzing trace with hash -923114483, now seen corresponding path program 1 times [2024-11-22 14:21:03,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:21:03,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647439142] [2024-11-22 14:21:03,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:21:03,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:21:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:21:08,793 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-22 14:21:08,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:21:08,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647439142] [2024-11-22 14:21:08,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647439142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:21:08,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 14:21:08,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 14:21:08,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138322357] [2024-11-22 14:21:08,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:21:08,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 14:21:08,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:21:08,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 14:21:08,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 14:21:08,796 INFO L87 Difference]: Start difference. First operand 165 states and 216 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-22 14:21:09,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:21:09,240 INFO L93 Difference]: Finished difference Result 280 states and 362 transitions. [2024-11-22 14:21:09,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 14:21:09,241 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 187 [2024-11-22 14:21:09,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:21:09,243 INFO L225 Difference]: With dead ends: 280 [2024-11-22 14:21:09,243 INFO L226 Difference]: Without dead ends: 165 [2024-11-22 14:21:09,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-22 14:21:09,246 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 7 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 14:21:09,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1022 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 14:21:09,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-22 14:21:09,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-11-22 14:21:09,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 102 states have (on average 1.1568627450980393) internal successors, (118), 104 states have internal predecessors, (118), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-11-22 14:21:09,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 215 transitions. [2024-11-22 14:21:09,263 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 215 transitions. Word has length 187 [2024-11-22 14:21:09,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:21:09,264 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 215 transitions. [2024-11-22 14:21:09,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-22 14:21:09,264 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 215 transitions. [2024-11-22 14:21:09,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-22 14:21:09,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:21:09,269 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:21:09,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 14:21:09,269 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:21:09,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:21:09,269 INFO L85 PathProgramCache]: Analyzing trace with hash -611515787, now seen corresponding path program 1 times [2024-11-22 14:21:09,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:21:09,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032734137] [2024-11-22 14:21:09,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:21:09,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:21:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:21:16,278 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-22 14:21:16,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:21:16,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032734137] [2024-11-22 14:21:16,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032734137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:21:16,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 14:21:16,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 14:21:16,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971672310] [2024-11-22 14:21:16,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:21:16,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 14:21:16,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:21:16,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 14:21:16,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-22 14:21:16,282 INFO L87 Difference]: Start difference. First operand 165 states and 215 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-22 14:21:16,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:21:16,734 INFO L93 Difference]: Finished difference Result 283 states and 365 transitions. [2024-11-22 14:21:16,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 14:21:16,735 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 189 [2024-11-22 14:21:16,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:21:16,736 INFO L225 Difference]: With dead ends: 283 [2024-11-22 14:21:16,736 INFO L226 Difference]: Without dead ends: 167 [2024-11-22 14:21:16,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 14:21:16,738 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 9 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 14:21:16,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1018 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 14:21:16,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-22 14:21:16,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 166. [2024-11-22 14:21:16,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 103 states have (on average 1.1553398058252426) internal successors, (119), 105 states have internal predecessors, (119), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-11-22 14:21:16,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 216 transitions. [2024-11-22 14:21:16,758 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 216 transitions. Word has length 189 [2024-11-22 14:21:16,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:21:16,758 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 216 transitions. [2024-11-22 14:21:16,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-22 14:21:16,759 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 216 transitions. [2024-11-22 14:21:16,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-22 14:21:16,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:21:16,760 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:21:16,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 14:21:16,761 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:21:16,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:21:16,761 INFO L85 PathProgramCache]: Analyzing trace with hash 949594579, now seen corresponding path program 1 times [2024-11-22 14:21:16,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:21:16,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472276340] [2024-11-22 14:21:16,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:21:16,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:21:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:21:23,786 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-22 14:21:23,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:21:23,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472276340] [2024-11-22 14:21:23,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472276340] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:21:23,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631308802] [2024-11-22 14:21:23,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:21:23,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:21:23,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:21:23,789 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:21:23,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 14:21:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:21:29,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 4695 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-22 14:21:29,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 14:21:31,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-22 14:21:33,013 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_5| Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_5| Int)) (and (<= |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_5| |c_aws_mul_size_checked_#in~r#1.offset|) (= (store |c_old(#memory_$Pointer$#2.base)| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_5| (store (select |c_old(#memory_$Pointer$#2.base)| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_5|) |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_5| (select (select |c_#memory_$Pointer$#2.base| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_5|) |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_5|))) |c_#memory_$Pointer$#2.base|))) is different from true [2024-11-22 14:21:35,232 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2024-11-22 14:21:35,232 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 14:21:35,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631308802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:21:35,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 14:21:35,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [8] total 23 [2024-11-22 14:21:35,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337568553] [2024-11-22 14:21:35,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:21:35,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-22 14:21:35,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:21:35,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-22 14:21:35,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=386, Unknown=25, NotChecked=40, Total=506 [2024-11-22 14:21:35,235 INFO L87 Difference]: Start difference. First operand 166 states and 216 transitions. Second operand has 17 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 8 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (32), 8 states have call predecessors, (32), 7 states have call successors, (32) [2024-11-22 14:21:59,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:21:59,214 INFO L93 Difference]: Finished difference Result 327 states and 443 transitions. [2024-11-22 14:21:59,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-22 14:21:59,214 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 8 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (32), 8 states have call predecessors, (32), 7 states have call successors, (32) Word has length 191 [2024-11-22 14:21:59,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:21:59,217 INFO L225 Difference]: With dead ends: 327 [2024-11-22 14:21:59,217 INFO L226 Difference]: Without dead ends: 231 [2024-11-22 14:21:59,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=121, Invalid=908, Unknown=31, NotChecked=62, Total=1122 [2024-11-22 14:21:59,218 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 108 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 1981 mSolverCounterSat, 66 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 1419 SdHoareTripleChecker+Invalid, 2442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1981 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 382 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2024-11-22 14:21:59,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 1419 Invalid, 2442 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [66 Valid, 1981 Invalid, 13 Unknown, 382 Unchecked, 21.4s Time] [2024-11-22 14:21:59,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-22 14:21:59,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 167. [2024-11-22 14:21:59,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 104 states have (on average 1.1538461538461537) internal successors, (120), 106 states have internal predecessors, (120), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-11-22 14:21:59,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 217 transitions. [2024-11-22 14:21:59,238 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 217 transitions. Word has length 191 [2024-11-22 14:21:59,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:21:59,239 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 217 transitions. [2024-11-22 14:21:59,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 8 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (32), 8 states have call predecessors, (32), 7 states have call successors, (32) [2024-11-22 14:21:59,239 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 217 transitions. [2024-11-22 14:21:59,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-22 14:21:59,241 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:21:59,241 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:21:59,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 14:21:59,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:21:59,442 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:21:59,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:21:59,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1435321875, now seen corresponding path program 1 times [2024-11-22 14:21:59,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:21:59,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983904469] [2024-11-22 14:21:59,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:21:59,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:22:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:22:05,900 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-22 14:22:05,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:22:05,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983904469] [2024-11-22 14:22:05,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983904469] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:22:05,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204923483] [2024-11-22 14:22:05,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:22:05,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:22:05,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:22:05,903 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:22:05,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process