./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 02a1ef197fe295e0adddb84ae3aa2db56396688008aeca91e1ab4b161b42690c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 20:00:05,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 20:00:05,896 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 20:00:05,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 20:00:05,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 20:00:05,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 20:00:05,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 20:00:05,935 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 20:00:05,936 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 20:00:05,938 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 20:00:05,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 20:00:05,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 20:00:05,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 20:00:05,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 20:00:05,941 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 20:00:05,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 20:00:05,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 20:00:05,942 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 20:00:05,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 20:00:05,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 20:00:05,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 20:00:05,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 20:00:05,946 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 20:00:05,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 20:00:05,946 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 20:00:05,947 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 20:00:05,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 20:00:05,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 20:00:05,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 20:00:05,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:00:05,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 20:00:05,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 20:00:05,949 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 20:00:05,949 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 20:00:05,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 20:00:05,949 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 20:00:05,950 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 20:00:05,950 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 20:00:05,950 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 20:00:05,950 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02a1ef197fe295e0adddb84ae3aa2db56396688008aeca91e1ab4b161b42690c [2024-11-16 20:00:06,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 20:00:06,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 20:00:06,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 20:00:06,202 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 20:00:06,202 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 20:00:06,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i [2024-11-16 20:00:07,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 20:00:08,021 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 20:00:08,022 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i [2024-11-16 20:00:08,059 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/351517801/cf92530c5b9a442090c4fc9096f48b0a/FLAG20a34e81c [2024-11-16 20:00:08,181 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/351517801/cf92530c5b9a442090c4fc9096f48b0a [2024-11-16 20:00:08,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 20:00:08,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 20:00:08,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 20:00:08,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 20:00:08,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 20:00:08,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:00:08" (1/1) ... [2024-11-16 20:00:08,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e264a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:08, skipping insertion in model container [2024-11-16 20:00:08,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:00:08" (1/1) ... [2024-11-16 20:00:08,332 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 20:00:08,597 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4505,4518] [2024-11-16 20:00:08,606 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4565,4578] [2024-11-16 20:00:09,270 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:09,271 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:09,271 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:09,272 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:09,273 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:09,284 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:09,284 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:09,289 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:09,290 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:09,681 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:09,682 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:09,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:00:09,762 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 20:00:09,776 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4505,4518] [2024-11-16 20:00:09,777 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4565,4578] [2024-11-16 20:00:09,818 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:09,819 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:09,819 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:09,820 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:09,821 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:09,829 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:09,832 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:09,835 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:09,835 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:09,992 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:10,000 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:10,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-16 20:00:10,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:00:10,271 INFO L204 MainTranslator]: Completed translation [2024-11-16 20:00:10,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10 WrapperNode [2024-11-16 20:00:10,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 20:00:10,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 20:00:10,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 20:00:10,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 20:00:10,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2024-11-16 20:00:10,349 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2024-11-16 20:00:10,441 INFO L138 Inliner]: procedures = 678, calls = 1530, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 763 [2024-11-16 20:00:10,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 20:00:10,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 20:00:10,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 20:00:10,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 20:00:10,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2024-11-16 20:00:10,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2024-11-16 20:00:10,473 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2024-11-16 20:00:10,557 INFO L175 MemorySlicer]: Split 301 memory accesses to 5 slices as follows [2, 238, 48, 8, 5]. 79 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 6, 0, 2, 5]. The 252 writes are split as follows [0, 232, 19, 1, 0]. [2024-11-16 20:00:10,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2024-11-16 20:00:10,559 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2024-11-16 20:00:10,597 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2024-11-16 20:00:10,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2024-11-16 20:00:10,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2024-11-16 20:00:10,612 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2024-11-16 20:00:10,620 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 20:00:10,621 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 20:00:10,621 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 20:00:10,621 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 20:00:10,622 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2024-11-16 20:00:10,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:00:10,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:00:10,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 20:00:10,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 20:00:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-16 20:00:10,720 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-16 20:00:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 20:00:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-16 20:00:10,720 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-16 20:00:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 20:00:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 20:00:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-16 20:00:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-16 20:00:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 20:00:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 20:00:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 20:00:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 20:00:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 20:00:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 20:00:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 20:00:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 20:00:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 20:00:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 20:00:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 20:00:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 20:00:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 20:00:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 20:00:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 20:00:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 20:00:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 20:00:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 20:00:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 20:00:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 20:00:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 20:00:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 20:00:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 20:00:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 20:00:10,725 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 20:00:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-16 20:00:10,725 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-16 20:00:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-16 20:00:10,725 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-16 20:00:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 20:00:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 20:00:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 20:00:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 20:00:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 20:00:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-16 20:00:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-16 20:00:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-16 20:00:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-16 20:00:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 20:00:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 20:00:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 20:00:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 20:00:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 20:00:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 20:00:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 20:00:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 20:00:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 20:00:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 20:00:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 20:00:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 20:00:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 20:00:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 20:00:10,727 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 20:00:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-16 20:00:10,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-16 20:00:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 20:00:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 20:00:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 20:00:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 20:00:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 20:00:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-16 20:00:10,728 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-16 20:00:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-16 20:00:10,729 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-16 20:00:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 20:00:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 20:00:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 20:00:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 20:00:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 20:00:11,061 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 20:00:11,063 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 20:00:11,107 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2024-11-16 20:00:11,112 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-16 20:00:11,153 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2024-11-16 20:00:11,187 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2796: havoc #t~ret81;havoc #t~ite83.base, #t~ite83.offset;havoc #t~ret82.base, #t~ret82.offset; [2024-11-16 20:00:11,196 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7341: havoc #t~ret656.base, #t~ret656.offset; [2024-11-16 20:00:11,275 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7494: havoc aws_priority_queue_backpointers_valid_#t~ret686#1;havoc aws_priority_queue_backpointers_valid_#t~short687#1; [2024-11-16 20:00:11,315 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3268: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2024-11-16 20:00:11,318 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 20:00:11,323 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2821: havoc #t~ret89.base, #t~ret89.offset; [2024-11-16 20:00:17,935 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3202: call ULTIMATE.dealloc(aws_array_list_init_dynamic_~#allocation_size~0#1.base, aws_array_list_init_dynamic_~#allocation_size~0#1.offset);havoc aws_array_list_init_dynamic_~#allocation_size~0#1.base, aws_array_list_init_dynamic_~#allocation_size~0#1.offset; [2024-11-16 20:00:18,028 INFO L? ?]: Removed 151 outVars from TransFormulas that were not future-live. [2024-11-16 20:00:18,028 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 20:00:18,048 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 20:00:18,048 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 20:00:18,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:00:18 BoogieIcfgContainer [2024-11-16 20:00:18,050 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 20:00:18,052 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 20:00:18,053 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 20:00:18,056 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 20:00:18,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:00:08" (1/3) ... [2024-11-16 20:00:18,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f2e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:00:18, skipping insertion in model container [2024-11-16 20:00:18,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (2/3) ... [2024-11-16 20:00:18,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f2e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:00:18, skipping insertion in model container [2024-11-16 20:00:18,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:00:18" (3/3) ... [2024-11-16 20:00:18,060 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness.i [2024-11-16 20:00:18,076 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 20:00:18,076 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 20:00:18,188 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 20:00:18,197 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;@7eae0b5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 20:00:18,198 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 20:00:18,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 223 states, 143 states have (on average 1.2517482517482517) internal successors, (179), 145 states have internal predecessors, (179), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-16 20:00:18,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-16 20:00:18,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:00:18,223 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:00:18,224 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:00:18,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:00:18,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1680898409, now seen corresponding path program 1 times [2024-11-16 20:00:18,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:00:18,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500872583] [2024-11-16 20:00:18,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:00:18,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:00:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:00:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:00:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:00:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:00:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:00:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:00:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:00:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:00:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 20:00:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 20:00:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 20:00:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 20:00:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 20:00:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:00:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 20:00:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 20:00:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:00:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 20:00:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 20:00:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 20:00:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 20:00:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 20:00:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 20:00:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 20:00:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:00:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:24,765 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-16 20:00:24,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:00:24,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500872583] [2024-11-16 20:00:24,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500872583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:00:24,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:00:24,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 20:00:24,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771233927] [2024-11-16 20:00:24,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:00:24,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 20:00:24,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:00:24,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 20:00:24,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 20:00:24,809 INFO L87 Difference]: Start difference. First operand has 223 states, 143 states have (on average 1.2517482517482517) internal successors, (179), 145 states have internal predecessors, (179), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-16 20:00:28,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:00:33,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:00:37,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:00:37,967 INFO L93 Difference]: Finished difference Result 443 states and 646 transitions. [2024-11-16 20:00:37,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 20:00:37,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 144 [2024-11-16 20:00:37,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:00:37,979 INFO L225 Difference]: With dead ends: 443 [2024-11-16 20:00:37,979 INFO L226 Difference]: Without dead ends: 239 [2024-11-16 20:00:37,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:00:37,986 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 163 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 144 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2024-11-16 20:00:37,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 442 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 215 Invalid, 2 Unknown, 0 Unchecked, 12.7s Time] [2024-11-16 20:00:38,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-16 20:00:38,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 215. [2024-11-16 20:00:38,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 136 states have (on average 1.2058823529411764) internal successors, (164), 138 states have internal predecessors, (164), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-16 20:00:38,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 286 transitions. [2024-11-16 20:00:38,059 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 286 transitions. Word has length 144 [2024-11-16 20:00:38,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:00:38,060 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 286 transitions. [2024-11-16 20:00:38,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-16 20:00:38,061 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 286 transitions. [2024-11-16 20:00:38,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-16 20:00:38,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:00:38,064 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:00:38,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 20:00:38,065 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:00:38,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:00:38,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1340165527, now seen corresponding path program 1 times [2024-11-16 20:00:38,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:00:38,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386061662] [2024-11-16 20:00:38,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:00:38,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:00:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:00:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:00:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:00:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:00:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:00:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:00:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:00:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:00:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 20:00:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 20:00:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 20:00:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 20:00:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 20:00:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:00:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 20:00:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 20:00:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:00:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 20:00:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 20:00:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 20:00:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:44,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 20:00:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:45,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:00:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:46,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:00:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:46,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 20:00:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:46,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 20:00:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:46,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 20:00:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:46,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 20:00:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:46,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:00:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:46,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:00:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:46,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 20:00:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:46,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:00:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:46,386 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-16 20:00:46,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:00:46,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386061662] [2024-11-16 20:00:46,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386061662] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 20:00:46,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033575961] [2024-11-16 20:00:46,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:00:46,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:00:46,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:00:46,395 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 20:00:46,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 20:00:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:51,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 4568 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-16 20:00:51,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 20:00:52,869 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-16 20:00:52,869 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 20:00:52,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033575961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:00:52,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 20:00:52,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11 [2024-11-16 20:00:52,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432370195] [2024-11-16 20:00:52,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:00:52,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 20:00:52,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:00:52,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 20:00:52,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-16 20:00:52,874 INFO L87 Difference]: Start difference. First operand 215 states and 286 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-16 20:00:53,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:00:53,777 INFO L93 Difference]: Finished difference Result 397 states and 522 transitions. [2024-11-16 20:00:53,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 20:00:53,778 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 180 [2024-11-16 20:00:53,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:00:53,785 INFO L225 Difference]: With dead ends: 397 [2024-11-16 20:00:53,785 INFO L226 Difference]: Without dead ends: 215 [2024-11-16 20:00:53,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-16 20:00:53,790 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 7 mSDsluCounter, 1101 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1380 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 20:00:53,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1380 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 20:00:53,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-16 20:00:53,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-16 20:00:53,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 136 states have (on average 1.1985294117647058) internal successors, (163), 138 states have internal predecessors, (163), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-16 20:00:53,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 285 transitions. [2024-11-16 20:00:53,826 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 285 transitions. Word has length 180 [2024-11-16 20:00:53,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:00:53,827 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 285 transitions. [2024-11-16 20:00:53,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-16 20:00:53,828 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 285 transitions. [2024-11-16 20:00:53,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-16 20:00:53,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:00:53,835 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:00:53,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 20:00:54,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:00:54,036 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:00:54,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:00:54,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1984184759, now seen corresponding path program 1 times [2024-11-16 20:00:54,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:00:54,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040192311] [2024-11-16 20:00:54,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:00:54,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:00:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:01,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:01:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:01,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:01:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:01,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:01:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:01,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:01:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:01,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:01:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:01,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:01:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:01,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:01:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:01,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:01:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:01,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 20:01:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:01,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 20:01:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:01,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 20:01:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:01,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 20:01:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:01,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 20:01:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:01,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:01:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:01,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 20:01:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:01,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 20:01:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:01,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:01:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:01,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 20:01:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:01,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 20:01:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:01,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 20:01:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:02,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 20:01:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:02,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:01:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:01:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 20:01:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 20:01:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 20:01:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 20:01:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:01:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:01:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 20:01:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:01:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,696 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-16 20:01:04,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:01:04,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040192311] [2024-11-16 20:01:04,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040192311] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 20:01:04,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806478889] [2024-11-16 20:01:04,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:01:04,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:01:04,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:01:04,702 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 20:01:04,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 20:01:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:10,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 4586 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-16 20:01:10,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 20:01:11,113 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2024-11-16 20:01:11,113 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 20:01:11,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806478889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:01:11,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 20:01:11,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-16 20:01:11,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408498054] [2024-11-16 20:01:11,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:01:11,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 20:01:11,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:01:11,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 20:01:11,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-16 20:01:11,120 INFO L87 Difference]: Start difference. First operand 215 states and 285 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 4 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-16 20:01:11,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:01:11,487 INFO L93 Difference]: Finished difference Result 393 states and 519 transitions. [2024-11-16 20:01:11,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 20:01:11,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 4 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) Word has length 186 [2024-11-16 20:01:11,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:01:11,493 INFO L225 Difference]: With dead ends: 393 [2024-11-16 20:01:11,493 INFO L226 Difference]: Without dead ends: 217 [2024-11-16 20:01:11,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-16 20:01:11,495 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 5 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 20:01:11,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 831 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 20:01:11,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-16 20:01:11,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2024-11-16 20:01:11,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 138 states have (on average 1.1956521739130435) internal successors, (165), 140 states have internal predecessors, (165), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-16 20:01:11,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 287 transitions. [2024-11-16 20:01:11,536 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 287 transitions. Word has length 186 [2024-11-16 20:01:11,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:01:11,536 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 287 transitions. [2024-11-16 20:01:11,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 4 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-16 20:01:11,537 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 287 transitions. [2024-11-16 20:01:11,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-16 20:01:11,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:01:11,544 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:01:11,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 20:01:11,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-16 20:01:11,745 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:01:11,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:01:11,745 INFO L85 PathProgramCache]: Analyzing trace with hash -220062645, now seen corresponding path program 1 times [2024-11-16 20:01:11,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:01:11,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8191347] [2024-11-16 20:01:11,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:01:11,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:01:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:18,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:01:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:18,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:01:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:18,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:01:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:18,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:01:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:18,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:01:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:18,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:01:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:18,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:01:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:18,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:01:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:18,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 20:01:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:18,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 20:01:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:18,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 20:01:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:18,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 20:01:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:18,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 20:01:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:18,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:01:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:18,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 20:01:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:18,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 20:01:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:18,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:01:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:18,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 20:01:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:18,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 20:01:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:18,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 20:01:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:19,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 20:01:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:19,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:01:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:21,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:01:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:21,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 20:01:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:21,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 20:01:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:21,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 20:01:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:21,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 20:01:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:21,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:01:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:21,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:01:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:21,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 20:01:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:21,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:01:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:21,463 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2024-11-16 20:01:21,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:01:21,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8191347] [2024-11-16 20:01:21,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8191347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 20:01:21,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526006565] [2024-11-16 20:01:21,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:01:21,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:01:21,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:01:21,466 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 20:01:21,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process