./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_top_harness.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 83b04173d709803d577cfa49fe0a9356919fe4fb57e740404cfb5ffbf2560c97 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 20:03:03,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 20:03:03,834 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 20:03:03,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 20:03:03,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 20:03:03,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 20:03:03,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 20:03:03,882 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 20:03:03,883 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 20:03:03,885 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 20:03:03,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 20:03:03,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 20:03:03,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 20:03:03,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 20:03:03,887 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 20:03:03,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 20:03:03,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 20:03:03,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 20:03:03,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 20:03:03,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 20:03:03,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 20:03:03,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 20:03:03,897 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 20:03:03,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 20:03:03,897 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 20:03:03,898 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 20:03:03,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 20:03:03,898 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 20:03:03,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 20:03:03,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:03:03,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 20:03:03,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 20:03:03,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 20:03:03,900 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 20:03:03,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 20:03:03,904 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 20:03:03,904 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 20:03:03,904 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 20:03:03,905 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 20:03:03,905 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83b04173d709803d577cfa49fe0a9356919fe4fb57e740404cfb5ffbf2560c97 [2024-11-16 20:03:04,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 20:03:04,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 20:03:04,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 20:03:04,221 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 20:03:04,222 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 20:03:04,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i [2024-11-16 20:03:05,806 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 20:03:06,310 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 20:03:06,314 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i [2024-11-16 20:03:06,357 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e9727da8/98d7b4ccb9df4c969510d3ffd77aed6c/FLAG471ee57e3 [2024-11-16 20:03:06,377 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e9727da8/98d7b4ccb9df4c969510d3ffd77aed6c [2024-11-16 20:03:06,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 20:03:06,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 20:03:06,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 20:03:06,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 20:03:06,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 20:03:06,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:03:06" (1/1) ... [2024-11-16 20:03:06,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54eb7840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:06, skipping insertion in model container [2024-11-16 20:03:06,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:03:06" (1/1) ... [2024-11-16 20:03:06,512 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 20:03:06,883 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_top_harness.i[4496,4509] [2024-11-16 20:03:06,895 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_top_harness.i[4556,4569] [2024-11-16 20:03:08,454 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:08,454 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:08,455 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:08,456 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:08,457 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:08,471 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:08,472 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:08,474 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:08,474 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:09,069 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:09,070 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:09,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:03:09,172 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 20:03:09,189 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_top_harness.i[4496,4509] [2024-11-16 20:03:09,190 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_top_harness.i[4556,4569] [2024-11-16 20:03:09,289 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:09,293 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:09,294 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:09,295 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:09,295 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:09,306 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:09,308 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:09,310 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:09,311 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:09,391 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:09,396 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:09,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-16 20:03:09,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:03:09,619 INFO L204 MainTranslator]: Completed translation [2024-11-16 20:03:09,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:09 WrapperNode [2024-11-16 20:03:09,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 20:03:09,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 20:03:09,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 20:03:09,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 20:03:09,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:09" (1/1) ... [2024-11-16 20:03:09,721 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:09" (1/1) ... [2024-11-16 20:03:09,805 INFO L138 Inliner]: procedures = 678, calls = 1548, calls flagged for inlining = 54, calls inlined = 10, statements flattened = 726 [2024-11-16 20:03:09,806 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 20:03:09,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 20:03:09,807 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 20:03:09,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 20:03:09,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:09" (1/1) ... [2024-11-16 20:03:09,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:09" (1/1) ... [2024-11-16 20:03:09,827 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:09" (1/1) ... [2024-11-16 20:03:09,925 INFO L175 MemorySlicer]: Split 340 memory accesses to 7 slices as follows [82, 238, 2, 3, 2, 7, 6]. 70 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [10, 6, 2, 1, 1, 5, 0]. The 253 writes are split as follows [17, 232, 0, 1, 1, 0, 2]. [2024-11-16 20:03:09,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:09" (1/1) ... [2024-11-16 20:03:09,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:09" (1/1) ... [2024-11-16 20:03:09,983 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:09" (1/1) ... [2024-11-16 20:03:09,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:09" (1/1) ... [2024-11-16 20:03:09,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:09" (1/1) ... [2024-11-16 20:03:10,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:09" (1/1) ... [2024-11-16 20:03:10,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 20:03:10,031 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 20:03:10,031 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 20:03:10,031 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 20:03:10,032 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:09" (1/1) ... [2024-11-16 20:03:10,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:03:10,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:03:10,119 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) [2024-11-16 20:03:10,122 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 [2024-11-16 20:03:10,175 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-16 20:03:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-16 20:03:10,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 20:03:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-16 20:03:10,178 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-16 20:03:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-16 20:03:10,178 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-16 20:03:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 20:03:10,179 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 20:03:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 20:03:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 20:03:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 20:03:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 20:03:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 20:03:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 20:03:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 20:03:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 20:03:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 20:03:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 20:03:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 20:03:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 20:03:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 20:03:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 20:03:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 20:03:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 20:03:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 20:03:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 20:03:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 20:03:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 20:03:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-16 20:03:10,183 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-16 20:03:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 20:03:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 20:03:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 20:03:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 20:03:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 20:03:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 20:03:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 20:03:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 20:03:10,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 20:03:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 20:03:10,184 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 20:03:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 20:03:10,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 20:03:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-16 20:03:10,185 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-16 20:03:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-16 20:03:10,185 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-16 20:03:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 20:03:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 20:03:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 20:03:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 20:03:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 20:03:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 20:03:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 20:03:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-16 20:03:10,185 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-16 20:03:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-16 20:03:10,186 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-16 20:03:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 20:03:10,186 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 20:03:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 20:03:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 20:03:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 20:03:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 20:03:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 20:03:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 20:03:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 20:03:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 20:03:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 20:03:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 20:03:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 20:03:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 20:03:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 20:03:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 20:03:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 20:03:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 20:03:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 20:03:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-16 20:03:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-16 20:03:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 20:03:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 20:03:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 20:03:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 20:03:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 20:03:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 20:03:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 20:03:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2024-11-16 20:03:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2024-11-16 20:03:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-16 20:03:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-16 20:03:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 20:03:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 20:03:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 20:03:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 20:03:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 20:03:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 20:03:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 20:03:10,555 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 20:03:10,558 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 20:03:10,622 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2024-11-16 20:03:10,712 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-16 20:03:10,752 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2024-11-16 20:03:10,910 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7494: havoc aws_priority_queue_backpointers_valid_#t~ret686#1;havoc aws_priority_queue_backpointers_valid_#t~short687#1; [2024-11-16 20:03:11,021 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3268: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2024-11-16 20:03:11,027 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 20:03:16,542 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7530: havoc aws_priority_queue_top_#t~ret694#1; [2024-11-16 20:03:16,542 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3509: havoc aws_array_list_get_at_ptr_#t~ret274#1; [2024-11-16 20:03:16,542 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7529-2: havoc aws_priority_queue_top_#t~ret693#1; [2024-11-16 20:03:16,616 INFO L? ?]: Removed 160 outVars from TransFormulas that were not future-live. [2024-11-16 20:03:16,617 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 20:03:16,636 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 20:03:16,636 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 20:03:16,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:03:16 BoogieIcfgContainer [2024-11-16 20:03:16,638 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 20:03:16,655 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 20:03:16,656 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 20:03:16,663 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 20:03:16,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:03:06" (1/3) ... [2024-11-16 20:03:16,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e21f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:03:16, skipping insertion in model container [2024-11-16 20:03:16,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:09" (2/3) ... [2024-11-16 20:03:16,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e21f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:03:16, skipping insertion in model container [2024-11-16 20:03:16,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:03:16" (3/3) ... [2024-11-16 20:03:16,668 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_top_harness.i [2024-11-16 20:03:16,688 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 20:03:16,689 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 20:03:16,780 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 20:03:16,791 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;@3c1d2bac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 20:03:16,791 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 20:03:16,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 210 states, 133 states have (on average 1.2255639097744362) internal successors, (163), 134 states have internal predecessors, (163), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-16 20:03:16,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-16 20:03:16,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:03:16,813 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:03:16,814 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:03:16,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:03:16,820 INFO L85 PathProgramCache]: Analyzing trace with hash -901394109, now seen corresponding path program 1 times [2024-11-16 20:03:16,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:03:16,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574024860] [2024-11-16 20:03:16,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:03:16,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:03:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:23,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:03:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:23,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:03:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:23,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:03:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:23,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:03:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:23,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:03:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:23,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:03:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:23,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:03:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:23,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:03:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:23,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:03:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:23,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 20:03:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:23,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:03:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:23,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:03:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:23,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 20:03:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:23,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:03:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:23,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:03:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:23,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:03:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:23,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 20:03:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:23,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 20:03:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:23,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 20:03:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:24,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 20:03:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:24,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:03:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:24,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 20:03:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:24,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 20:03:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:24,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 20:03:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:24,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 20:03:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:24,187 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-16 20:03:24,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:03:24,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574024860] [2024-11-16 20:03:24,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574024860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:03:24,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:03:24,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 20:03:24,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905041585] [2024-11-16 20:03:24,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:03:24,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 20:03:24,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:03:24,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 20:03:24,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 20:03:24,232 INFO L87 Difference]: Start difference. First operand has 210 states, 133 states have (on average 1.2255639097744362) internal successors, (163), 134 states have internal predecessors, (163), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-16 20:03:28,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:03:32,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:03:37,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:03:44,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:03:44,611 INFO L93 Difference]: Finished difference Result 428 states and 613 transitions. [2024-11-16 20:03:44,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 20:03:44,614 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 149 [2024-11-16 20:03:44,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:03:44,625 INFO L225 Difference]: With dead ends: 428 [2024-11-16 20:03:44,626 INFO L226 Difference]: Without dead ends: 236 [2024-11-16 20:03:44,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-16 20:03:44,636 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 436 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 324 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 324 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2024-11-16 20:03:44,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 168 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [324 Valid, 333 Invalid, 3 Unknown, 0 Unchecked, 18.5s Time] [2024-11-16 20:03:44,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-16 20:03:44,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 204. [2024-11-16 20:03:44,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 128 states have (on average 1.1953125) internal successors, (153), 129 states have internal predecessors, (153), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-16 20:03:44,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 266 transitions. [2024-11-16 20:03:44,726 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 266 transitions. Word has length 149 [2024-11-16 20:03:44,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:03:44,728 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 266 transitions. [2024-11-16 20:03:44,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-16 20:03:44,729 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 266 transitions. [2024-11-16 20:03:44,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-16 20:03:44,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:03:44,736 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:03:44,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 20:03:44,737 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:03:44,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:03:44,738 INFO L85 PathProgramCache]: Analyzing trace with hash -402887132, now seen corresponding path program 1 times [2024-11-16 20:03:44,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:03:44,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874904514] [2024-11-16 20:03:44,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:03:44,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:03:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:50,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:03:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:50,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:03:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:50,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:03:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:50,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:03:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:50,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:03:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:50,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:03:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:50,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:03:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:50,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:03:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:50,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:03:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:50,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 20:03:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:50,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:03:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:50,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:03:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:50,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 20:03:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:50,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:03:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:50,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:03:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:51,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:03:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:51,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 20:03:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:51,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 20:03:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:51,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 20:03:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:52,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 20:03:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:52,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:03:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:52,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 20:03:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:52,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 20:03:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:52,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 20:03:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:52,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 20:03:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:52,278 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-16 20:03:52,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:03:52,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874904514] [2024-11-16 20:03:52,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874904514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:03:52,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:03:52,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 20:03:52,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078377796] [2024-11-16 20:03:52,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:03:52,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 20:03:52,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:03:52,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 20:03:52,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-16 20:03:52,286 INFO L87 Difference]: Start difference. First operand 204 states and 266 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-16 20:03:56,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:04:00,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:04:05,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:04:23,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:04:23,586 INFO L93 Difference]: Finished difference Result 391 states and 523 transitions. [2024-11-16 20:04:23,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 20:04:23,587 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 149 [2024-11-16 20:04:23,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:04:23,591 INFO L225 Difference]: With dead ends: 391 [2024-11-16 20:04:23,591 INFO L226 Difference]: Without dead ends: 236 [2024-11-16 20:04:23,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-16 20:04:23,595 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 477 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 328 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 328 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2024-11-16 20:04:23,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 261 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [328 Valid, 944 Invalid, 3 Unknown, 0 Unchecked, 27.4s Time] [2024-11-16 20:04:23,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-16 20:04:23,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 204. [2024-11-16 20:04:23,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 128 states have (on average 1.1875) internal successors, (152), 129 states have internal predecessors, (152), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-16 20:04:23,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 265 transitions. [2024-11-16 20:04:23,635 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 265 transitions. Word has length 149 [2024-11-16 20:04:23,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:04:23,635 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 265 transitions. [2024-11-16 20:04:23,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-16 20:04:23,636 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 265 transitions. [2024-11-16 20:04:23,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-16 20:04:23,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:04:23,639 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:04:23,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 20:04:23,639 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:04:23,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:04:23,640 INFO L85 PathProgramCache]: Analyzing trace with hash -39804182, now seen corresponding path program 1 times [2024-11-16 20:04:23,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:04:23,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908852425] [2024-11-16 20:04:23,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:04:23,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:04:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:28,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:04:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:28,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:04:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:28,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:04:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:28,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:04:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:28,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:04:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:28,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:04:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:28,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:04:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:28,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:04:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:28,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:04:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:29,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 20:04:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:29,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:04:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:29,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:04:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:29,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 20:04:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:29,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:04:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:29,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:04:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:29,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:04:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:30,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:04:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:30,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 20:04:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:31,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 20:04:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:31,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 20:04:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:31,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 20:04:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:31,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:04:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:31,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 20:04:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:31,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 20:04:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:31,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 20:04:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:31,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 20:04:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:31,383 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-16 20:04:31,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:04:31,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908852425] [2024-11-16 20:04:31,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908852425] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 20:04:31,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024529166] [2024-11-16 20:04:31,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:04:31,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:04:31,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:04:31,388 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) [2024-11-16 20:04:31,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process