./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness_negated.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 f5906986fe70be99cb7145aeb70b9be3804e6f6ae12fcaa8e449985abfd2c954 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 14:46:57,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 14:46:57,570 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 14:46:57,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 14:46:57,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 14:46:57,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 14:46:57,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 14:46:57,609 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 14:46:57,610 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 14:46:57,613 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 14:46:57,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 14:46:57,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 14:46:57,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 14:46:57,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 14:46:57,615 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 14:46:57,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 14:46:57,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 14:46:57,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 14:46:57,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 14:46:57,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 14:46:57,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 14:46:57,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 14:46:57,617 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 14:46:57,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 14:46:57,617 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 14:46:57,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 14:46:57,618 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 14:46:57,618 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 14:46:57,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 14:46:57,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 14:46:57,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 14:46:57,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 14:46:57,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 14:46:57,620 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 14:46:57,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 14:46:57,620 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 14:46:57,622 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 14:46:57,622 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 14:46:57,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 14:46:57,622 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5906986fe70be99cb7145aeb70b9be3804e6f6ae12fcaa8e449985abfd2c954 [2024-10-11 14:46:57,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 14:46:57,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 14:46:57,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 14:46:57,906 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 14:46:57,906 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 14:46:57,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness_negated.i [2024-10-11 14:46:59,375 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 14:46:59,827 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 14:46:59,828 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness_negated.i [2024-10-11 14:46:59,864 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b474ae27e/f7081650aae84e089b4ce3031fa2f309/FLAG8fcb719ce [2024-10-11 14:46:59,885 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b474ae27e/f7081650aae84e089b4ce3031fa2f309 [2024-10-11 14:46:59,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 14:46:59,891 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 14:46:59,893 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 14:46:59,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 14:46:59,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 14:46:59,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:46:59" (1/1) ... [2024-10-11 14:46:59,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@477202b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:46:59, skipping insertion in model container [2024-10-11 14:46:59,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:46:59" (1/1) ... [2024-10-11 14:46:59,998 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 14:47:00,275 WARN L248 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_capacity_harness_negated.i[4501,4514] [2024-10-11 14:47:00,284 WARN L248 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_capacity_harness_negated.i[4561,4574] [2024-10-11 14:47:00,960 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:00,964 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:00,964 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:00,965 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:00,966 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:00,976 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:00,977 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:00,979 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:00,979 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:01,351 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:01,352 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:01,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 14:47:01,425 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 14:47:01,436 WARN L248 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_capacity_harness_negated.i[4501,4514] [2024-10-11 14:47:01,437 WARN L248 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_capacity_harness_negated.i[4561,4574] [2024-10-11 14:47:01,481 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:01,482 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:01,482 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:01,482 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:01,483 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:01,496 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:01,496 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:01,499 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:01,499 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:01,587 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:01,587 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:47:01,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7671-7682] [2024-10-11 14:47:01,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 14:47:01,868 INFO L204 MainTranslator]: Completed translation [2024-10-11 14:47:01,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:47:01 WrapperNode [2024-10-11 14:47:01,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 14:47:01,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 14:47:01,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 14:47:01,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 14:47:01,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:47:01" (1/1) ... [2024-10-11 14:47:01,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:47:01" (1/1) ... [2024-10-11 14:47:02,020 INFO L138 Inliner]: procedures = 678, calls = 1542, calls flagged for inlining = 54, calls inlined = 10, statements flattened = 694 [2024-10-11 14:47:02,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 14:47:02,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 14:47:02,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 14:47:02,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 14:47:02,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:47:01" (1/1) ... [2024-10-11 14:47:02,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:47:01" (1/1) ... [2024-10-11 14:47:02,051 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:47:01" (1/1) ... [2024-10-11 14:47:02,131 INFO L175 MemorySlicer]: Split 334 memory accesses to 6 slices as follows [2, 236, 80, 3, 6, 7]. 71 percent of accesses are in the largest equivalence class. The 265 initializations are split as follows [2, 236, 21, 1, 0, 5]. The 7 writes are split as follows [0, 0, 4, 1, 2, 0]. [2024-10-11 14:47:02,135 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:47:01" (1/1) ... [2024-10-11 14:47:02,136 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:47:01" (1/1) ... [2024-10-11 14:47:02,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:47:01" (1/1) ... [2024-10-11 14:47:02,181 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:47:01" (1/1) ... [2024-10-11 14:47:02,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:47:01" (1/1) ... [2024-10-11 14:47:02,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:47:01" (1/1) ... [2024-10-11 14:47:02,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 14:47:02,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 14:47:02,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 14:47:02,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 14:47:02,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:47:01" (1/1) ... [2024-10-11 14:47:02,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 14:47:02,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:47:02,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 14:47:02,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 14:47:02,312 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-10-11 14:47:02,312 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-10-11 14:47:02,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 14:47:02,315 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-11 14:47:02,315 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-11 14:47:02,315 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-11 14:47:02,315 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-11 14:47:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-11 14:47:02,316 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-11 14:47:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 14:47:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 14:47:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 14:47:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 14:47:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 14:47:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 14:47:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-11 14:47:02,317 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-11 14:47:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 14:47:02,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 14:47:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 14:47:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 14:47:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-10-11 14:47:02,318 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-10-11 14:47:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 14:47:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 14:47:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 14:47:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 14:47:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 14:47:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 14:47:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 14:47:02,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 14:47:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-11 14:47:02,319 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-11 14:47:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-11 14:47:02,319 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-11 14:47:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-11 14:47:02,320 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-11 14:47:02,320 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-11 14:47:02,320 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-11 14:47:02,320 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-10-11 14:47:02,320 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-10-11 14:47:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 14:47:02,321 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 14:47:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 14:47:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 14:47:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 14:47:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 14:47:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 14:47:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 14:47:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 14:47:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 14:47:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 14:47:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 14:47:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 14:47:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 14:47:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 14:47:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-11 14:47:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-11 14:47:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-11 14:47:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-11 14:47:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 14:47:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 14:47:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 14:47:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 14:47:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 14:47:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 14:47:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2024-10-11 14:47:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2024-10-11 14:47:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-11 14:47:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-11 14:47:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 14:47:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 14:47:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 14:47:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 14:47:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 14:47:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 14:47:02,656 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 14:47:02,657 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 14:47:03,465 INFO L? ?]: Removed 144 outVars from TransFormulas that were not future-live. [2024-10-11 14:47:03,465 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 14:47:03,578 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 14:47:03,578 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 14:47:03,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:47:03 BoogieIcfgContainer [2024-10-11 14:47:03,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 14:47:03,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 14:47:03,581 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 14:47:03,585 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 14:47:03,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:46:59" (1/3) ... [2024-10-11 14:47:03,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1760e8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:47:03, skipping insertion in model container [2024-10-11 14:47:03,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:47:01" (2/3) ... [2024-10-11 14:47:03,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1760e8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:47:03, skipping insertion in model container [2024-10-11 14:47:03,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:47:03" (3/3) ... [2024-10-11 14:47:03,589 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_capacity_harness_negated.i [2024-10-11 14:47:03,605 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 14:47:03,605 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 14:47:03,674 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 14:47:03,682 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;@62ef0e0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 14:47:03,682 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 14:47:03,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 168 states, 102 states have (on average 1.2450980392156863) internal successors, (127), 103 states have internal predecessors, (127), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-10-11 14:47:03,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-11 14:47:03,701 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:47:03,703 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 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] [2024-10-11 14:47:03,703 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:47:03,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:47:03,709 INFO L85 PathProgramCache]: Analyzing trace with hash 99044165, now seen corresponding path program 1 times [2024-10-11 14:47:03,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:47:03,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883629019] [2024-10-11 14:47:03,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:03,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:47:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:47:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:47:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:47:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:47:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:47:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:47:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:47:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:47:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:47:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:47:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 14:47:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 14:47:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 14:47:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 14:47:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 14:47:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 14:47:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 14:47:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 14:47:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:04,786 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-10-11 14:47:04,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:47:04,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883629019] [2024-10-11 14:47:04,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883629019] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:47:04,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:47:04,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 14:47:04,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053629125] [2024-10-11 14:47:04,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:47:04,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 14:47:04,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:47:04,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 14:47:04,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 14:47:04,821 INFO L87 Difference]: Start difference. First operand has 168 states, 102 states have (on average 1.2450980392156863) internal successors, (127), 103 states have internal predecessors, (127), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-11 14:47:06,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:47:06,193 INFO L93 Difference]: Finished difference Result 341 states and 483 transitions. [2024-10-11 14:47:06,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 14:47:06,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 127 [2024-10-11 14:47:06,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:47:06,210 INFO L225 Difference]: With dead ends: 341 [2024-10-11 14:47:06,210 INFO L226 Difference]: Without dead ends: 191 [2024-10-11 14:47:06,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-11 14:47:06,221 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 292 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 14:47:06,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 102 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 14:47:06,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-10-11 14:47:06,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 166. [2024-10-11 14:47:06,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 101 states have (on average 1.2178217821782178) internal successors, (123), 102 states have internal predecessors, (123), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-11 14:47:06,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 216 transitions. [2024-10-11 14:47:06,303 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 216 transitions. Word has length 127 [2024-10-11 14:47:06,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:47:06,306 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 216 transitions. [2024-10-11 14:47:06,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-11 14:47:06,307 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 216 transitions. [2024-10-11 14:47:06,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-11 14:47:06,315 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:47:06,316 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 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] [2024-10-11 14:47:06,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 14:47:06,316 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:47:06,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:47:06,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1923143877, now seen corresponding path program 1 times [2024-10-11 14:47:06,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:47:06,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160380260] [2024-10-11 14:47:06,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:06,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:47:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:06,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:06,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:47:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:06,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:06,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:47:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:06,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:47:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:06,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:47:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:06,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:47:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:06,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:47:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:06,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:47:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:06,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:47:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:06,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:06,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:06,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:47:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:06,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:06,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:06,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:47:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:07,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 14:47:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:07,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 14:47:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:07,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 14:47:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:07,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 14:47:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:07,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 14:47:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:07,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 14:47:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:07,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 14:47:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:07,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 14:47:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:07,104 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-10-11 14:47:07,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:47:07,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160380260] [2024-10-11 14:47:07,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160380260] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:47:07,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:47:07,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 14:47:07,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488068034] [2024-10-11 14:47:07,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:47:07,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 14:47:07,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:47:07,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 14:47:07,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 14:47:07,110 INFO L87 Difference]: Start difference. First operand 166 states and 216 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-10-11 14:47:08,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:47:08,739 INFO L93 Difference]: Finished difference Result 310 states and 410 transitions. [2024-10-11 14:47:08,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 14:47:08,740 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 127 [2024-10-11 14:47:08,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:47:08,743 INFO L225 Difference]: With dead ends: 310 [2024-10-11 14:47:08,744 INFO L226 Difference]: Without dead ends: 191 [2024-10-11 14:47:08,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-10-11 14:47:08,746 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 289 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 14:47:08,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 148 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 14:47:08,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-10-11 14:47:08,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 166. [2024-10-11 14:47:08,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 101 states have (on average 1.2079207920792079) internal successors, (122), 102 states have internal predecessors, (122), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-11 14:47:08,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 215 transitions. [2024-10-11 14:47:08,781 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 215 transitions. Word has length 127 [2024-10-11 14:47:08,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:47:08,783 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 215 transitions. [2024-10-11 14:47:08,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-10-11 14:47:08,784 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 215 transitions. [2024-10-11 14:47:08,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-11 14:47:08,789 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:47:08,789 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 3, 3, 3, 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] [2024-10-11 14:47:08,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 14:47:08,790 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:47:08,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:47:08,790 INFO L85 PathProgramCache]: Analyzing trace with hash 204354829, now seen corresponding path program 1 times [2024-10-11 14:47:08,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:47:08,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289833727] [2024-10-11 14:47:08,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:08,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:47:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:47:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:47:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:47:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:47:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:47:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:47:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:47:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:47:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:47:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:47:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 14:47:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 14:47:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 14:47:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 14:47:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 14:47:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 14:47:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 14:47:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 14:47:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:09,702 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-10-11 14:47:09,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:47:09,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289833727] [2024-10-11 14:47:09,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289833727] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:47:09,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612203097] [2024-10-11 14:47:09,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:09,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:47:09,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:47:09,706 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:47:09,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 14:47:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:10,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 2363 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 14:47:10,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:47:10,390 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-10-11 14:47:10,390 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:47:10,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612203097] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:47:10,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:47:10,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-10-11 14:47:10,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191699584] [2024-10-11 14:47:10,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:47:10,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 14:47:10,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:47:10,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 14:47:10,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-10-11 14:47:10,394 INFO L87 Difference]: Start difference. First operand 166 states and 215 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-10-11 14:47:10,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:47:10,856 INFO L93 Difference]: Finished difference Result 304 states and 399 transitions. [2024-10-11 14:47:10,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 14:47:10,857 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 135 [2024-10-11 14:47:10,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:47:10,859 INFO L225 Difference]: With dead ends: 304 [2024-10-11 14:47:10,859 INFO L226 Difference]: Without dead ends: 168 [2024-10-11 14:47:10,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-10-11 14:47:10,861 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 37 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 14:47:10,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1097 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 14:47:10,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-10-11 14:47:10,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2024-10-11 14:47:10,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 102 states have (on average 1.2058823529411764) internal successors, (123), 104 states have internal predecessors, (123), 47 states have call successors, (47), 17 states have call predecessors, (47), 18 states have return successors, (49), 46 states have call predecessors, (49), 46 states have call successors, (49) [2024-10-11 14:47:10,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 219 transitions. [2024-10-11 14:47:10,889 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 219 transitions. Word has length 135 [2024-10-11 14:47:10,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:47:10,890 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 219 transitions. [2024-10-11 14:47:10,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-10-11 14:47:10,890 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 219 transitions. [2024-10-11 14:47:10,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-11 14:47:10,892 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:47:10,893 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:47:10,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 14:47:11,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:47:11,094 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:47:11,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:47:11,094 INFO L85 PathProgramCache]: Analyzing trace with hash -78313466, now seen corresponding path program 1 times [2024-10-11 14:47:11,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:47:11,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252276402] [2024-10-11 14:47:11,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:11,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:47:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:11,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:11,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:47:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:11,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:11,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:47:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:11,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:47:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:11,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:47:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:11,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:47:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:11,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:47:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:11,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:47:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:11,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:47:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:11,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:11,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:11,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:47:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:11,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:11,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:11,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:47:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:11,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:11,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:11,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:12,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 14:47:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:12,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 14:47:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:12,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 14:47:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:12,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 14:47:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:12,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 14:47:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:12,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 14:47:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:12,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:47:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:12,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:47:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:12,075 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-10-11 14:47:12,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:47:12,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252276402] [2024-10-11 14:47:12,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252276402] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:47:12,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:47:12,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 14:47:12,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087439559] [2024-10-11 14:47:12,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:47:12,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 14:47:12,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:47:12,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 14:47:12,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-11 14:47:12,079 INFO L87 Difference]: Start difference. First operand 168 states and 219 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-10-11 14:47:13,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:47:13,929 INFO L93 Difference]: Finished difference Result 294 states and 383 transitions. [2024-10-11 14:47:13,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 14:47:13,930 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 148 [2024-10-11 14:47:13,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:47:13,932 INFO L225 Difference]: With dead ends: 294 [2024-10-11 14:47:13,933 INFO L226 Difference]: Without dead ends: 172 [2024-10-11 14:47:13,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2024-10-11 14:47:13,936 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 250 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 1360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 14:47:13,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 180 Invalid, 1360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 14:47:13,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-10-11 14:47:13,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2024-10-11 14:47:13,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 102 states have (on average 1.196078431372549) internal successors, (122), 104 states have internal predecessors, (122), 47 states have call successors, (47), 17 states have call predecessors, (47), 18 states have return successors, (49), 46 states have call predecessors, (49), 46 states have call successors, (49) [2024-10-11 14:47:13,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 218 transitions. [2024-10-11 14:47:13,972 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 218 transitions. Word has length 148 [2024-10-11 14:47:13,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:47:13,973 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 218 transitions. [2024-10-11 14:47:13,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-10-11 14:47:13,974 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 218 transitions. [2024-10-11 14:47:13,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-11 14:47:13,976 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:47:13,976 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:47:13,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 14:47:13,977 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:47:13,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:47:13,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1212795781, now seen corresponding path program 1 times [2024-10-11 14:47:13,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:47:13,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827038160] [2024-10-11 14:47:13,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:13,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:47:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:14,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:14,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:47:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:14,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:14,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:47:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:14,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:47:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:14,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:47:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:14,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:47:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:14,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:47:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:14,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:47:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:14,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:47:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:14,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:14,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:14,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:47:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:14,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:14,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:14,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:47:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:14,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:14,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:14,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:14,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:47:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:15,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 14:47:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:15,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 14:47:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:15,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 14:47:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:15,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 14:47:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:15,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 14:47:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:15,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 14:47:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:15,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 14:47:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:15,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 14:47:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:15,111 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-10-11 14:47:15,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:47:15,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827038160] [2024-10-11 14:47:15,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827038160] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:47:15,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089024136] [2024-10-11 14:47:15,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:15,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:47:15,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:47:15,115 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:47:15,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 14:47:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:15,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 2570 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 14:47:15,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:47:15,847 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-10-11 14:47:15,847 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:47:15,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089024136] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:47:15,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:47:15,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2024-10-11 14:47:15,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718371044] [2024-10-11 14:47:15,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:47:15,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 14:47:15,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:47:15,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 14:47:15,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2024-10-11 14:47:15,852 INFO L87 Difference]: Start difference. First operand 168 states and 218 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) [2024-10-11 14:47:16,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:47:16,289 INFO L93 Difference]: Finished difference Result 303 states and 394 transitions. [2024-10-11 14:47:16,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 14:47:16,289 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) Word has length 164 [2024-10-11 14:47:16,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:47:16,293 INFO L225 Difference]: With dead ends: 303 [2024-10-11 14:47:16,293 INFO L226 Difference]: Without dead ends: 168 [2024-10-11 14:47:16,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2024-10-11 14:47:16,294 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 59 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 14:47:16,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 1125 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 14:47:16,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-10-11 14:47:16,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2024-10-11 14:47:16,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 102 states have (on average 1.196078431372549) internal successors, (122), 104 states have internal predecessors, (122), 47 states have call successors, (47), 17 states have call predecessors, (47), 18 states have return successors, (48), 46 states have call predecessors, (48), 46 states have call successors, (48) [2024-10-11 14:47:16,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 217 transitions. [2024-10-11 14:47:16,321 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 217 transitions. Word has length 164 [2024-10-11 14:47:16,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:47:16,321 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 217 transitions. [2024-10-11 14:47:16,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) [2024-10-11 14:47:16,322 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 217 transitions. [2024-10-11 14:47:16,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-11 14:47:16,324 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:47:16,325 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:47:16,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 14:47:16,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:47:16,529 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:47:16,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:47:16,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1390049228, now seen corresponding path program 2 times [2024-10-11 14:47:16,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:47:16,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240214689] [2024-10-11 14:47:16,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:16,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:47:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:47:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:47:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:47:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:47:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:47:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:47:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:47:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:47:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:47:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:47:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:47:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:47:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:47:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:47:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 14:47:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 14:47:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 14:47:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 14:47:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 14:47:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:17,620 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-10-11 14:47:17,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:47:17,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240214689] [2024-10-11 14:47:17,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240214689] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:47:17,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312520695] [2024-10-11 14:47:17,621 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 14:47:17,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:47:17,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:47:17,623 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:47:17,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 14:47:18,164 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 14:47:18,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 14:47:18,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 1798 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 14:47:18,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:47:18,249 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-10-11 14:47:18,250 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:47:18,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312520695] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:47:18,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:47:18,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2024-10-11 14:47:18,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831891574] [2024-10-11 14:47:18,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:47:18,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 14:47:18,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:47:18,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 14:47:18,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2024-10-11 14:47:18,252 INFO L87 Difference]: Start difference. First operand 168 states and 217 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-11 14:47:18,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:47:18,516 INFO L93 Difference]: Finished difference Result 176 states and 225 transitions. [2024-10-11 14:47:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 14:47:18,517 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2024-10-11 14:47:18,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:47:18,519 INFO L225 Difference]: With dead ends: 176 [2024-10-11 14:47:18,519 INFO L226 Difference]: Without dead ends: 174 [2024-10-11 14:47:18,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-10-11 14:47:18,521 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 3 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 14:47:18,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 979 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 14:47:18,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-10-11 14:47:18,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 173. [2024-10-11 14:47:18,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 105 states have (on average 1.1904761904761905) internal successors, (125), 107 states have internal predecessors, (125), 48 states have call successors, (48), 18 states have call predecessors, (48), 19 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-10-11 14:47:18,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 222 transitions. [2024-10-11 14:47:18,543 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 222 transitions. Word has length 177 [2024-10-11 14:47:18,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:47:18,545 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 222 transitions. [2024-10-11 14:47:18,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-11 14:47:18,545 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 222 transitions. [2024-10-11 14:47:18,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 14:47:18,547 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:47:18,547 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:47:18,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 14:47:18,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:47:18,749 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:47:18,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:47:18,749 INFO L85 PathProgramCache]: Analyzing trace with hash 118392555, now seen corresponding path program 3 times [2024-10-11 14:47:18,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:47:18,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038730002] [2024-10-11 14:47:18,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:18,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:47:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:47:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:47:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:47:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:47:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:47:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:47:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:47:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:47:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:47:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:47:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:47:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:47:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:47:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:47:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 14:47:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 14:47:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 14:47:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 14:47:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 14:47:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:19,732 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2024-10-11 14:47:19,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:47:19,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038730002] [2024-10-11 14:47:19,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038730002] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:47:19,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452597012] [2024-10-11 14:47:19,733 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 14:47:19,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:47:19,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:47:19,735 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:47:19,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 14:47:20,698 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 14:47:20,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 14:47:20,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 2000 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-11 14:47:20,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:47:20,848 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-10-11 14:47:20,848 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 14:47:21,186 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2024-10-11 14:47:21,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452597012] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 14:47:21,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 14:47:21,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 7] total 16 [2024-10-11 14:47:21,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201773227] [2024-10-11 14:47:21,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 14:47:21,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 14:47:21,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:47:21,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 14:47:21,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-10-11 14:47:21,189 INFO L87 Difference]: Start difference. First operand 173 states and 222 transitions. Second operand has 16 states, 16 states have (on average 6.5) internal successors, (104), 12 states have internal predecessors, (104), 6 states have call successors, (52), 6 states have call predecessors, (52), 4 states have return successors, (47), 6 states have call predecessors, (47), 6 states have call successors, (47) [2024-10-11 14:47:23,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:47:23,331 INFO L93 Difference]: Finished difference Result 277 states and 354 transitions. [2024-10-11 14:47:23,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 14:47:23,332 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.5) internal successors, (104), 12 states have internal predecessors, (104), 6 states have call successors, (52), 6 states have call predecessors, (52), 4 states have return successors, (47), 6 states have call predecessors, (47), 6 states have call successors, (47) Word has length 190 [2024-10-11 14:47:23,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:47:23,334 INFO L225 Difference]: With dead ends: 277 [2024-10-11 14:47:23,334 INFO L226 Difference]: Without dead ends: 172 [2024-10-11 14:47:23,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=138, Invalid=564, Unknown=0, NotChecked=0, Total=702 [2024-10-11 14:47:23,335 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 266 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 1805 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 1986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 1805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-11 14:47:23,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 279 Invalid, 1986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 1805 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-11 14:47:23,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-10-11 14:47:23,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 166. [2024-10-11 14:47:23,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 101 states have (on average 1.188118811881188) internal successors, (120), 102 states have internal predecessors, (120), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-11 14:47:23,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 213 transitions. [2024-10-11 14:47:23,358 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 213 transitions. Word has length 190 [2024-10-11 14:47:23,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:47:23,358 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 213 transitions. [2024-10-11 14:47:23,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.5) internal successors, (104), 12 states have internal predecessors, (104), 6 states have call successors, (52), 6 states have call predecessors, (52), 4 states have return successors, (47), 6 states have call predecessors, (47), 6 states have call successors, (47) [2024-10-11 14:47:23,359 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 213 transitions. [2024-10-11 14:47:23,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-11 14:47:23,361 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:47:23,361 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:47:23,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 14:47:23,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-11 14:47:23,562 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:47:23,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:47:23,563 INFO L85 PathProgramCache]: Analyzing trace with hash -2102699654, now seen corresponding path program 1 times [2024-10-11 14:47:23,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:47:23,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488297776] [2024-10-11 14:47:23,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:23,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:47:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:25,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:25,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:47:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:25,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:25,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:47:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:25,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:47:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:25,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:47:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:25,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:47:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:25,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:47:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:25,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:47:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:25,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:47:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:25,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:25,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:25,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:47:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:25,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:25,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:25,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:47:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:26,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:26,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:26,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:26,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:47:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:26,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:26,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:26,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:47:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:26,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:47:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:26,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:47:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:26,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 14:47:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:26,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 14:47:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:26,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 14:47:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:26,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:26,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:26,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 14:47:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:26,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 14:47:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:26,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:26,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:26,567 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-10-11 14:47:26,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:47:26,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488297776] [2024-10-11 14:47:26,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488297776] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:47:26,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:47:26,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 14:47:26,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767670698] [2024-10-11 14:47:26,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:47:26,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 14:47:26,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:47:26,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 14:47:26,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-11 14:47:26,570 INFO L87 Difference]: Start difference. First operand 166 states and 213 transitions. Second operand has 10 states, 10 states have (on average 6.4) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-11 14:47:28,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:47:28,105 INFO L93 Difference]: Finished difference Result 298 states and 384 transitions. [2024-10-11 14:47:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 14:47:28,106 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 203 [2024-10-11 14:47:28,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:47:28,108 INFO L225 Difference]: With dead ends: 298 [2024-10-11 14:47:28,108 INFO L226 Difference]: Without dead ends: 181 [2024-10-11 14:47:28,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2024-10-11 14:47:28,109 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 316 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 14:47:28,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 199 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 14:47:28,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-10-11 14:47:28,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 168. [2024-10-11 14:47:28,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 103 states have (on average 1.1844660194174756) internal successors, (122), 104 states have internal predecessors, (122), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-11 14:47:28,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 215 transitions. [2024-10-11 14:47:28,127 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 215 transitions. Word has length 203 [2024-10-11 14:47:28,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:47:28,127 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 215 transitions. [2024-10-11 14:47:28,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-11 14:47:28,128 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 215 transitions. [2024-10-11 14:47:28,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-11 14:47:28,129 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:47:28,130 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:47:28,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 14:47:28,130 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:47:28,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:47:28,130 INFO L85 PathProgramCache]: Analyzing trace with hash -226216836, now seen corresponding path program 1 times [2024-10-11 14:47:28,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:47:28,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004465827] [2024-10-11 14:47:28,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:28,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:47:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:47:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:47:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:47:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:47:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:47:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:47:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:47:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:47:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:47:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:47:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:47:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:47:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:47:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:47:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 14:47:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 14:47:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 14:47:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 14:47:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 14:47:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:28,984 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-10-11 14:47:28,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:47:28,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004465827] [2024-10-11 14:47:28,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004465827] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:47:28,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:47:28,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 14:47:28,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53096677] [2024-10-11 14:47:28,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:47:28,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 14:47:28,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:47:28,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 14:47:28,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-11 14:47:28,987 INFO L87 Difference]: Start difference. First operand 168 states and 215 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-11 14:47:30,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:47:30,404 INFO L93 Difference]: Finished difference Result 294 states and 377 transitions. [2024-10-11 14:47:30,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 14:47:30,405 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 203 [2024-10-11 14:47:30,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:47:30,407 INFO L225 Difference]: With dead ends: 294 [2024-10-11 14:47:30,407 INFO L226 Difference]: Without dead ends: 175 [2024-10-11 14:47:30,407 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-10-11 14:47:30,408 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 220 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 14:47:30,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 199 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 14:47:30,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-10-11 14:47:30,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 170. [2024-10-11 14:47:30,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 105 states have (on average 1.180952380952381) internal successors, (124), 106 states have internal predecessors, (124), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-11 14:47:30,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 217 transitions. [2024-10-11 14:47:30,423 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 217 transitions. Word has length 203 [2024-10-11 14:47:30,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:47:30,424 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 217 transitions. [2024-10-11 14:47:30,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-11 14:47:30,424 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 217 transitions. [2024-10-11 14:47:30,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-11 14:47:30,426 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:47:30,426 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:47:30,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 14:47:30,426 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:47:30,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:47:30,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1098639358, now seen corresponding path program 1 times [2024-10-11 14:47:30,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:47:30,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531194019] [2024-10-11 14:47:30,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:30,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:47:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:33,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:33,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:47:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:33,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:33,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:47:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:33,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:47:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:33,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:47:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:33,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:47:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:33,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:47:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:33,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:47:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:33,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:47:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:34,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:34,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:34,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:47:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:34,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:34,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:34,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:47:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:34,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:34,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:34,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:34,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:47:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:35,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:35,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:35,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:47:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:35,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:47:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:35,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:47:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:35,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 14:47:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:35,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 14:47:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:35,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 14:47:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:35,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:35,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:35,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 14:47:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:35,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 14:47:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:35,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:35,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:35,284 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-10-11 14:47:35,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:47:35,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531194019] [2024-10-11 14:47:35,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531194019] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:47:35,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529708144] [2024-10-11 14:47:35,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:35,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:47:35,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:47:35,287 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:47:35,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 14:47:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:35,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 2967 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-10-11 14:47:35,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:47:36,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-11 14:47:36,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-11 14:47:36,475 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-10-11 14:47:36,475 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:47:36,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529708144] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:47:36,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:47:36,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [17] total 26 [2024-10-11 14:47:36,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436990071] [2024-10-11 14:47:36,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:47:36,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 14:47:36,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:47:36,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 14:47:36,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2024-10-11 14:47:36,478 INFO L87 Difference]: Start difference. First operand 170 states and 217 transitions. Second operand has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 6 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) [2024-10-11 14:47:38,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:47:38,263 INFO L93 Difference]: Finished difference Result 314 states and 404 transitions. [2024-10-11 14:47:38,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 14:47:38,264 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 6 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) Word has length 203 [2024-10-11 14:47:38,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:47:38,266 INFO L225 Difference]: With dead ends: 314 [2024-10-11 14:47:38,267 INFO L226 Difference]: Without dead ends: 193 [2024-10-11 14:47:38,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=101, Invalid=891, Unknown=0, NotChecked=0, Total=992 [2024-10-11 14:47:38,268 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 44 mSDsluCounter, 1794 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 1972 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 14:47:38,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 1972 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 14:47:38,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-10-11 14:47:38,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 189. [2024-10-11 14:47:38,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 123 states have (on average 1.1951219512195121) internal successors, (147), 124 states have internal predecessors, (147), 47 states have call successors, (47), 17 states have call predecessors, (47), 18 states have return successors, (50), 47 states have call predecessors, (50), 46 states have call successors, (50) [2024-10-11 14:47:38,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 244 transitions. [2024-10-11 14:47:38,292 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 244 transitions. Word has length 203 [2024-10-11 14:47:38,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:47:38,292 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 244 transitions. [2024-10-11 14:47:38,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 6 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) [2024-10-11 14:47:38,292 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 244 transitions. [2024-10-11 14:47:38,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-11 14:47:38,295 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:47:38,295 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:47:38,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 14:47:38,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 14:47:38,496 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:47:38,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:47:38,497 INFO L85 PathProgramCache]: Analyzing trace with hash 41908156, now seen corresponding path program 1 times [2024-10-11 14:47:38,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:47:38,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059444558] [2024-10-11 14:47:38,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:38,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:47:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:38,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:38,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:47:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:38,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:38,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:47:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:38,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:47:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:38,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:47:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:38,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:47:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:38,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:47:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:38,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:47:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:38,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:47:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:38,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:38,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:38,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:47:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:38,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:38,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:38,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:47:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:39,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:39,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:39,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:39,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:47:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:39,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:39,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:39,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:47:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:39,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:47:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:39,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:47:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:39,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 14:47:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:39,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 14:47:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:39,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 14:47:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:39,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:39,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:39,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 14:47:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:39,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 14:47:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:39,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:39,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:39,268 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-10-11 14:47:39,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:47:39,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059444558] [2024-10-11 14:47:39,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059444558] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:47:39,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258770592] [2024-10-11 14:47:39,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:39,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:47:39,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:47:39,271 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:47:39,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 14:47:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:39,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 2962 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 14:47:39,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:47:39,966 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-10-11 14:47:39,967 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:47:39,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258770592] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:47:39,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:47:39,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 8 [2024-10-11 14:47:39,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613096448] [2024-10-11 14:47:39,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:47:39,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 14:47:39,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:47:39,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 14:47:39,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-11 14:47:39,969 INFO L87 Difference]: Start difference. First operand 189 states and 244 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-11 14:47:40,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:47:40,113 INFO L93 Difference]: Finished difference Result 329 states and 429 transitions. [2024-10-11 14:47:40,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 14:47:40,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 203 [2024-10-11 14:47:40,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:47:40,116 INFO L225 Difference]: With dead ends: 329 [2024-10-11 14:47:40,116 INFO L226 Difference]: Without dead ends: 189 [2024-10-11 14:47:40,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-11 14:47:40,117 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 0 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 14:47:40,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 590 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 14:47:40,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-10-11 14:47:40,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2024-10-11 14:47:40,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 123 states have (on average 1.1869918699186992) internal successors, (146), 124 states have internal predecessors, (146), 47 states have call successors, (47), 17 states have call predecessors, (47), 18 states have return successors, (50), 47 states have call predecessors, (50), 46 states have call successors, (50) [2024-10-11 14:47:40,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 243 transitions. [2024-10-11 14:47:40,136 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 243 transitions. Word has length 203 [2024-10-11 14:47:40,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:47:40,136 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 243 transitions. [2024-10-11 14:47:40,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-11 14:47:40,137 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 243 transitions. [2024-10-11 14:47:40,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-11 14:47:40,138 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:47:40,139 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:47:40,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 14:47:40,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 14:47:40,340 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:47:40,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:47:40,341 INFO L85 PathProgramCache]: Analyzing trace with hash -625247080, now seen corresponding path program 1 times [2024-10-11 14:47:40,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:47:40,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859345670] [2024-10-11 14:47:40,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:40,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:47:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:45,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:45,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:47:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:45,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:45,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:47:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:45,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:47:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:45,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:47:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:45,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:47:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:45,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:47:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:45,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:47:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:45,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:47:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:45,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:45,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:45,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:47:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:45,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:45,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:45,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:47:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:45,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:45,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:46,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:46,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:47:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:46,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:46,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:46,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 14:47:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:46,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 14:47:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:46,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 14:47:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:46,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 14:47:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:46,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 14:47:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:46,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 14:47:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:46,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:46,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:46,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 14:47:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:46,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 14:47:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:46,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:46,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:46,490 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-10-11 14:47:46,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:47:46,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859345670] [2024-10-11 14:47:46,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859345670] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:47:46,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612760716] [2024-10-11 14:47:46,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:46,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:47:46,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:47:46,493 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:47:46,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 14:47:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:47,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 2972 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-11 14:47:47,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:47:47,498 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-10-11 14:47:47,498 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:47:47,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612760716] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:47:47,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:47:47,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [19] total 27 [2024-10-11 14:47:47,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096093621] [2024-10-11 14:47:47,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:47:47,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 14:47:47,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:47:47,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 14:47:47,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2024-10-11 14:47:47,500 INFO L87 Difference]: Start difference. First operand 189 states and 243 transitions. Second operand has 10 states, 10 states have (on average 8.9) internal successors, (89), 10 states have internal predecessors, (89), 5 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2024-10-11 14:47:48,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:47:48,924 INFO L93 Difference]: Finished difference Result 348 states and 452 transitions. [2024-10-11 14:47:48,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 14:47:48,924 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 10 states have internal predecessors, (89), 5 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) Word has length 205 [2024-10-11 14:47:48,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:47:48,926 INFO L225 Difference]: With dead ends: 348 [2024-10-11 14:47:48,926 INFO L226 Difference]: Without dead ends: 208 [2024-10-11 14:47:48,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 262 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=84, Invalid=846, Unknown=0, NotChecked=0, Total=930 [2024-10-11 14:47:48,928 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 50 mSDsluCounter, 1251 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 1430 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 14:47:48,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 1430 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 14:47:48,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-10-11 14:47:48,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 196. [2024-10-11 14:47:48,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 129 states have (on average 1.186046511627907) internal successors, (153), 130 states have internal predecessors, (153), 47 states have call successors, (47), 17 states have call predecessors, (47), 19 states have return successors, (54), 48 states have call predecessors, (54), 46 states have call successors, (54) [2024-10-11 14:47:48,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 254 transitions. [2024-10-11 14:47:48,949 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 254 transitions. Word has length 205 [2024-10-11 14:47:48,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:47:48,950 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 254 transitions. [2024-10-11 14:47:48,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 10 states have internal predecessors, (89), 5 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2024-10-11 14:47:48,950 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 254 transitions. [2024-10-11 14:47:48,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-11 14:47:48,953 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:47:48,953 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:47:48,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-11 14:47:49,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:47:49,154 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:47:49,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:47:49,155 INFO L85 PathProgramCache]: Analyzing trace with hash -117895018, now seen corresponding path program 1 times [2024-10-11 14:47:49,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:47:49,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454025503] [2024-10-11 14:47:49,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:49,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:47:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:47:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:47:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:47:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:47:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:47:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:47:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:47:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:47:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:47:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:47:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:47:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 14:47:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 14:47:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 14:47:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 14:47:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 14:47:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 14:47:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 14:47:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 14:47:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:50,649 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-10-11 14:47:50,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:47:50,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454025503] [2024-10-11 14:47:50,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454025503] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:47:50,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:47:50,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 14:47:50,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219329719] [2024-10-11 14:47:50,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:47:50,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 14:47:50,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:47:50,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 14:47:50,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-11 14:47:50,653 INFO L87 Difference]: Start difference. First operand 196 states and 254 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-11 14:47:51,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:47:51,786 INFO L93 Difference]: Finished difference Result 351 states and 456 transitions. [2024-10-11 14:47:51,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 14:47:51,786 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 205 [2024-10-11 14:47:51,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:47:51,788 INFO L225 Difference]: With dead ends: 351 [2024-10-11 14:47:51,788 INFO L226 Difference]: Without dead ends: 204 [2024-10-11 14:47:51,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-10-11 14:47:51,789 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 225 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 1029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 14:47:51,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 237 Invalid, 1029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 14:47:51,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-10-11 14:47:51,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 185. [2024-10-11 14:47:51,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 119 states have (on average 1.1764705882352942) internal successors, (140), 120 states have internal predecessors, (140), 47 states have call successors, (47), 17 states have call predecessors, (47), 18 states have return successors, (50), 47 states have call predecessors, (50), 46 states have call successors, (50) [2024-10-11 14:47:51,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 237 transitions. [2024-10-11 14:47:51,804 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 237 transitions. Word has length 205 [2024-10-11 14:47:51,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:47:51,805 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 237 transitions. [2024-10-11 14:47:51,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-11 14:47:51,805 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 237 transitions. [2024-10-11 14:47:51,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-11 14:47:51,806 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:47:51,807 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:47:51,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 14:47:51,807 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:47:51,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:47:51,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1763316950, now seen corresponding path program 1 times [2024-10-11 14:47:51,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:47:51,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336496409] [2024-10-11 14:47:51,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:51,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:47:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:52,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:52,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:47:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:52,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:52,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:47:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:52,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:47:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:52,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:47:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:52,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:47:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:52,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:47:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:52,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:47:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:52,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:47:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:52,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:52,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:52,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:47:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:52,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:52,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:52,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:47:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:52,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:52,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:53,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:53,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:47:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:53,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:53,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:53,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 14:47:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:53,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 14:47:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:53,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 14:47:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:53,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 14:47:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:53,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 14:47:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:53,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 14:47:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:53,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:53,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:53,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 14:47:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:53,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 14:47:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:53,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:47:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:53,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:53,217 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-10-11 14:47:53,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:47:53,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336496409] [2024-10-11 14:47:53,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336496409] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:47:53,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517895911] [2024-10-11 14:47:53,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:53,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:47:53,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:47:53,219 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:47:53,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 14:47:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:53,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 2967 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-11 14:47:53,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:47:53,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-11 14:47:54,071 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-10-11 14:47:54,071 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:47:54,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517895911] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:47:54,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:47:54,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2024-10-11 14:47:54,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413792790] [2024-10-11 14:47:54,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:47:54,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 14:47:54,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:47:54,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 14:47:54,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-10-11 14:47:54,073 INFO L87 Difference]: Start difference. First operand 185 states and 237 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 6 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 5 states have call predecessors, (29), 6 states have call successors, (29) [2024-10-11 14:47:54,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:47:54,702 INFO L93 Difference]: Finished difference Result 321 states and 415 transitions. [2024-10-11 14:47:54,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 14:47:54,702 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 6 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 5 states have call predecessors, (29), 6 states have call successors, (29) Word has length 205 [2024-10-11 14:47:54,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:47:54,704 INFO L225 Difference]: With dead ends: 321 [2024-10-11 14:47:54,705 INFO L226 Difference]: Without dead ends: 185 [2024-10-11 14:47:54,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-10-11 14:47:54,706 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 28 mSDsluCounter, 1160 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1346 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 14:47:54,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1346 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 14:47:54,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-10-11 14:47:54,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2024-10-11 14:47:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 119 states have (on average 1.1680672268907564) internal successors, (139), 120 states have internal predecessors, (139), 47 states have call successors, (47), 17 states have call predecessors, (47), 18 states have return successors, (50), 47 states have call predecessors, (50), 46 states have call successors, (50) [2024-10-11 14:47:54,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 236 transitions. [2024-10-11 14:47:54,720 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 236 transitions. Word has length 205 [2024-10-11 14:47:54,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:47:54,721 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 236 transitions. [2024-10-11 14:47:54,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 6 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 5 states have call predecessors, (29), 6 states have call successors, (29) [2024-10-11 14:47:54,721 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 236 transitions. [2024-10-11 14:47:54,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-11 14:47:54,722 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:47:54,722 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:47:54,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-11 14:47:54,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 14:47:54,923 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:47:54,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:47:54,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1180265128, now seen corresponding path program 1 times [2024-10-11 14:47:54,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:47:54,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522003688] [2024-10-11 14:47:54,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:47:54,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:47:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:59,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:47:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:59,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:47:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:59,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:59,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:47:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:59,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:47:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:59,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:47:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:59,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:47:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:59,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:47:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:59,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:47:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:59,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:47:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:59,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:59,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:59,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:47:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:59,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:47:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:59,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:47:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:47:59,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:47:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:00,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:00,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:00,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:00,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:48:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:00,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:00,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:00,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 14:48:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:00,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 14:48:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:00,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 14:48:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:00,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 14:48:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:00,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 14:48:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:00,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 14:48:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:00,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:00,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:00,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 14:48:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:00,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 14:48:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:00,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:00,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:00,868 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-10-11 14:48:00,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:00,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522003688] [2024-10-11 14:48:00,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522003688] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:48:00,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69810658] [2024-10-11 14:48:00,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:00,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:00,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:48:00,870 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:48:00,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process