./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash bfe38d632dc9d05bd2dc6fdd28950c1547024966bcab88b0922592f6fd40a86e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 02:34:58,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 02:34:58,368 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 02:34:58,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 02:34:58,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 02:34:58,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 02:34:58,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 02:34:58,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 02:34:58,399 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 02:34:58,399 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 02:34:58,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 02:34:58,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 02:34:58,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 02:34:58,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 02:34:58,404 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 02:34:58,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 02:34:58,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 02:34:58,405 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 02:34:58,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 02:34:58,405 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 02:34:58,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 02:34:58,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 02:34:58,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 02:34:58,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 02:34:58,411 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 02:34:58,411 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 02:34:58,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 02:34:58,411 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 02:34:58,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 02:34:58,412 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 02:34:58,412 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 02:34:58,412 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 02:34:58,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:34:58,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 02:34:58,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 02:34:58,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 02:34:58,413 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 02:34:58,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 02:34:58,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 02:34:58,414 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 02:34:58,414 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 02:34:58,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 02:34:58,414 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfe38d632dc9d05bd2dc6fdd28950c1547024966bcab88b0922592f6fd40a86e [2024-11-22 02:34:58,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 02:34:58,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 02:34:58,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 02:34:58,645 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 02:34:58,645 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 02:34:58,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c [2024-11-22 02:34:59,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 02:35:00,166 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 02:35:00,166 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c [2024-11-22 02:35:00,185 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3831d7d96/d8a9c9b5c56442eea9c175bdf9881389/FLAG41a16f741 [2024-11-22 02:35:00,504 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3831d7d96/d8a9c9b5c56442eea9c175bdf9881389 [2024-11-22 02:35:00,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 02:35:00,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 02:35:00,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 02:35:00,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 02:35:00,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 02:35:00,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:35:00" (1/1) ... [2024-11-22 02:35:00,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cfebcb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:00, skipping insertion in model container [2024-11-22 02:35:00,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:35:00" (1/1) ... [2024-11-22 02:35:00,559 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 02:35:00,739 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/seq-mthreaded/rekcba_nxt.2.M1-1.c[2020,2033] [2024-11-22 02:35:01,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:35:01,033 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 02:35:01,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.bug2.i","-S") [47] [2024-11-22 02:35:01,049 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/seq-mthreaded/rekcba_nxt.2.M1-1.c[2020,2033] [2024-11-22 02:35:01,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:35:01,243 INFO L204 MainTranslator]: Completed translation [2024-11-22 02:35:01,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:01 WrapperNode [2024-11-22 02:35:01,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 02:35:01,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 02:35:01,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 02:35:01,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 02:35:01,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:01" (1/1) ... [2024-11-22 02:35:01,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:01" (1/1) ... [2024-11-22 02:35:01,504 INFO L138 Inliner]: procedures = 63, calls = 2139, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 4510 [2024-11-22 02:35:01,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 02:35:01,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 02:35:01,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 02:35:01,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 02:35:01,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:01" (1/1) ... [2024-11-22 02:35:01,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:01" (1/1) ... [2024-11-22 02:35:01,541 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:01" (1/1) ... [2024-11-22 02:35:01,599 INFO L175 MemorySlicer]: Split 1626 memory accesses to 22 slices as follows [2, 8, 50, 5, 3, 264, 305, 156, 113, 79, 57, 82, 105, 82, 105, 82, 2, 105, 4, 8, 7, 2]. 19 percent of accesses are in the largest equivalence class. The 223 initializations are split as follows [2, 0, 0, 2, 1, 24, 24, 2, 2, 1, 1, 27, 27, 27, 27, 27, 0, 27, 0, 0, 2, 0]. The 257 writes are split as follows [0, 4, 26, 1, 1, 24, 24, 2, 2, 1, 1, 28, 26, 28, 26, 28, 1, 26, 0, 4, 3, 1]. [2024-11-22 02:35:01,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:01" (1/1) ... [2024-11-22 02:35:01,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:01" (1/1) ... [2024-11-22 02:35:01,680 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:01" (1/1) ... [2024-11-22 02:35:01,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:01" (1/1) ... [2024-11-22 02:35:01,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:01" (1/1) ... [2024-11-22 02:35:01,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:01" (1/1) ... [2024-11-22 02:35:01,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 02:35:01,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 02:35:01,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 02:35:01,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 02:35:01,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:01" (1/1) ... [2024-11-22 02:35:01,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:35:01,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:35:01,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 02:35:01,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 02:35:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 02:35:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-22 02:35:01,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-22 02:35:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-22 02:35:01,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-22 02:35:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 02:35:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 02:35:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 02:35:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 02:35:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 02:35:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 02:35:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 02:35:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-22 02:35:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-22 02:35:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-22 02:35:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-22 02:35:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-22 02:35:01,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-22 02:35:01,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-22 02:35:01,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-22 02:35:01,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-22 02:35:01,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-22 02:35:01,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-22 02:35:01,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-22 02:35:01,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-22 02:35:01,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-22 02:35:01,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-22 02:35:01,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 02:35:01,837 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-22 02:35:01,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-22 02:35:01,838 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-22 02:35:01,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-22 02:35:01,838 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2024-11-22 02:35:01,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2024-11-22 02:35:01,838 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-22 02:35:01,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-22 02:35:01,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 02:35:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 02:35:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 02:35:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 02:35:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 02:35:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 02:35:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 02:35:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 02:35:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-22 02:35:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-22 02:35:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-22 02:35:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-22 02:35:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-22 02:35:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-22 02:35:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-22 02:35:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-22 02:35:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-22 02:35:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-22 02:35:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-22 02:35:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-22 02:35:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-22 02:35:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-22 02:35:01,843 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-22 02:35:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-22 02:35:01,843 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-22 02:35:01,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-22 02:35:01,844 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-22 02:35:01,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-22 02:35:01,844 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-22 02:35:01,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-22 02:35:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 02:35:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-22 02:35:01,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-22 02:35:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 02:35:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 02:35:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 02:35:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 02:35:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 02:35:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 02:35:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 02:35:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 02:35:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-22 02:35:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-22 02:35:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-22 02:35:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-22 02:35:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-22 02:35:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-22 02:35:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-22 02:35:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-22 02:35:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-22 02:35:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-22 02:35:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-22 02:35:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-22 02:35:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-22 02:35:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-22 02:35:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-22 02:35:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-22 02:35:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-22 02:35:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-22 02:35:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-22 02:35:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-22 02:35:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 02:35:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 02:35:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 02:35:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 02:35:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 02:35:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 02:35:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 02:35:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 02:35:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 02:35:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 02:35:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-22 02:35:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-22 02:35:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-22 02:35:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-22 02:35:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-22 02:35:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-22 02:35:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-22 02:35:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-22 02:35:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-22 02:35:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-22 02:35:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-22 02:35:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-22 02:35:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-22 02:35:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-22 02:35:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 02:35:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 02:35:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-22 02:35:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-22 02:35:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-22 02:35:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-22 02:35:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-22 02:35:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-22 02:35:02,162 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 02:35:02,167 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 02:35:08,614 INFO L? ?]: Removed 224 outVars from TransFormulas that were not future-live. [2024-11-22 02:35:08,615 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 02:35:08,646 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 02:35:08,646 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 02:35:08,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:35:08 BoogieIcfgContainer [2024-11-22 02:35:08,647 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 02:35:08,649 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 02:35:08,649 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 02:35:08,651 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 02:35:08,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:35:00" (1/3) ... [2024-11-22 02:35:08,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4877ec85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:35:08, skipping insertion in model container [2024-11-22 02:35:08,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:01" (2/3) ... [2024-11-22 02:35:08,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4877ec85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:35:08, skipping insertion in model container [2024-11-22 02:35:08,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:35:08" (3/3) ... [2024-11-22 02:35:08,654 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.2.M1-1.c [2024-11-22 02:35:08,670 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 02:35:08,672 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 02:35:08,766 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 02:35:08,771 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;@f344007, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 02:35:08,772 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 02:35:08,779 INFO L276 IsEmpty]: Start isEmpty. Operand has 1290 states, 815 states have (on average 1.2748466257668711) internal successors, (1039), 847 states have internal predecessors, (1039), 455 states have call successors, (455), 18 states have call predecessors, (455), 18 states have return successors, (455), 453 states have call predecessors, (455), 455 states have call successors, (455) [2024-11-22 02:35:08,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 879 [2024-11-22 02:35:08,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:35:08,838 INFO L215 NwaCegarLoop]: trace histogram [111, 111, 111, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:35:08,839 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:35:08,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:35:08,846 INFO L85 PathProgramCache]: Analyzing trace with hash -88768836, now seen corresponding path program 1 times [2024-11-22 02:35:08,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:35:08,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382819399] [2024-11-22 02:35:08,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:35:08,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:35:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:35:10,029 INFO L134 CoverageAnalysis]: Checked inductivity of 24420 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 24200 trivial. 0 not checked. [2024-11-22 02:35:10,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:35:10,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382819399] [2024-11-22 02:35:10,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382819399] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:35:10,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951721952] [2024-11-22 02:35:10,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:35:10,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:35:10,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:35:10,034 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 02:35:10,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 02:35:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:35:11,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 3240 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 02:35:11,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:35:11,427 INFO L134 CoverageAnalysis]: Checked inductivity of 24420 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 24200 trivial. 0 not checked. [2024-11-22 02:35:11,428 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 02:35:11,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951721952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:35:11,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 02:35:11,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 02:35:11,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460281353] [2024-11-22 02:35:11,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:35:11,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 02:35:11,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:35:11,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 02:35:11,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 02:35:11,464 INFO L87 Difference]: Start difference. First operand has 1290 states, 815 states have (on average 1.2748466257668711) internal successors, (1039), 847 states have internal predecessors, (1039), 455 states have call successors, (455), 18 states have call predecessors, (455), 18 states have return successors, (455), 453 states have call predecessors, (455), 455 states have call successors, (455) Second operand has 2 states, 2 states have (on average 163.5) internal successors, (327), 2 states have internal predecessors, (327), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (111), 1 states have call predecessors, (111), 2 states have call successors, (111) [2024-11-22 02:35:11,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:35:11,586 INFO L93 Difference]: Finished difference Result 2575 states and 4329 transitions. [2024-11-22 02:35:11,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 02:35:11,589 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 163.5) internal successors, (327), 2 states have internal predecessors, (327), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (111), 1 states have call predecessors, (111), 2 states have call successors, (111) Word has length 878 [2024-11-22 02:35:11,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:35:11,609 INFO L225 Difference]: With dead ends: 2575 [2024-11-22 02:35:11,609 INFO L226 Difference]: Without dead ends: 1282 [2024-11-22 02:35:11,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 879 GetRequests, 879 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 02:35:11,623 INFO L432 NwaCegarLoop]: 1946 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1946 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:35:11,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1946 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:35:11,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2024-11-22 02:35:11,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1282. [2024-11-22 02:35:11,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 808 states have (on average 1.2722772277227723) internal successors, (1028), 840 states have internal predecessors, (1028), 455 states have call successors, (455), 18 states have call predecessors, (455), 18 states have return successors, (454), 452 states have call predecessors, (454), 454 states have call successors, (454) [2024-11-22 02:35:11,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1937 transitions. [2024-11-22 02:35:11,802 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1937 transitions. Word has length 878 [2024-11-22 02:35:11,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:35:11,802 INFO L471 AbstractCegarLoop]: Abstraction has 1282 states and 1937 transitions. [2024-11-22 02:35:11,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 163.5) internal successors, (327), 2 states have internal predecessors, (327), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (111), 1 states have call predecessors, (111), 2 states have call successors, (111) [2024-11-22 02:35:11,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1937 transitions. [2024-11-22 02:35:11,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 879 [2024-11-22 02:35:11,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:35:11,830 INFO L215 NwaCegarLoop]: trace histogram [111, 111, 111, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:35:11,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 02:35:12,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 02:35:12,033 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:35:12,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:35:12,034 INFO L85 PathProgramCache]: Analyzing trace with hash -333087914, now seen corresponding path program 1 times [2024-11-22 02:35:12,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:35:12,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861354508] [2024-11-22 02:35:12,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:35:12,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:35:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:35:18,827 INFO L134 CoverageAnalysis]: Checked inductivity of 24420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24420 trivial. 0 not checked. [2024-11-22 02:35:18,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:35:18,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861354508] [2024-11-22 02:35:18,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861354508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:35:18,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:35:18,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:35:18,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004490357] [2024-11-22 02:35:18,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:35:18,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:35:18,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:35:18,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:35:18,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:35:18,834 INFO L87 Difference]: Start difference. First operand 1282 states and 1937 transitions. Second operand has 6 states, 5 states have (on average 65.0) internal successors, (325), 5 states have internal predecessors, (325), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (111), 1 states have call predecessors, (111), 1 states have call successors, (111) [2024-11-22 02:35:55,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:35:55,828 INFO L93 Difference]: Finished difference Result 1783 states and 2694 transitions. [2024-11-22 02:35:55,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:35:55,830 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 65.0) internal successors, (325), 5 states have internal predecessors, (325), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (111), 1 states have call predecessors, (111), 1 states have call successors, (111) Word has length 878 [2024-11-22 02:35:55,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:35:55,846 INFO L225 Difference]: With dead ends: 1783 [2024-11-22 02:35:55,846 INFO L226 Difference]: Without dead ends: 1781 [2024-11-22 02:35:55,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:35:55,849 INFO L432 NwaCegarLoop]: 1928 mSDtfsCounter, 1511 mSDsluCounter, 6438 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1511 SdHoareTripleChecker+Valid, 8366 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:35:55,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1511 Valid, 8366 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 32.3s Time] [2024-11-22 02:35:55,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2024-11-22 02:35:56,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1779. [2024-11-22 02:35:56,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1779 states, 1101 states have (on average 1.254314259763851) internal successors, (1381), 1159 states have internal predecessors, (1381), 644 states have call successors, (644), 33 states have call predecessors, (644), 33 states have return successors, (666), 639 states have call predecessors, (666), 642 states have call successors, (666) [2024-11-22 02:35:56,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2691 transitions. [2024-11-22 02:35:56,133 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2691 transitions. Word has length 878 [2024-11-22 02:35:56,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:35:56,139 INFO L471 AbstractCegarLoop]: Abstraction has 1779 states and 2691 transitions. [2024-11-22 02:35:56,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 65.0) internal successors, (325), 5 states have internal predecessors, (325), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (111), 1 states have call predecessors, (111), 1 states have call successors, (111) [2024-11-22 02:35:56,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2691 transitions. [2024-11-22 02:35:56,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 885 [2024-11-22 02:35:56,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:35:56,166 INFO L215 NwaCegarLoop]: trace histogram [111, 111, 111, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:35:56,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 02:35:56,167 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:35:56,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:35:56,168 INFO L85 PathProgramCache]: Analyzing trace with hash 43083265, now seen corresponding path program 1 times [2024-11-22 02:35:56,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:35:56,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493024961] [2024-11-22 02:35:56,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:35:56,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:35:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:35:58,997 INFO L134 CoverageAnalysis]: Checked inductivity of 24422 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24420 trivial. 0 not checked. [2024-11-22 02:35:58,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:35:58,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493024961] [2024-11-22 02:35:58,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493024961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:35:58,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:35:58,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:35:59,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622116516] [2024-11-22 02:35:59,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:35:59,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:35:59,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:35:59,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:35:59,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:35:59,007 INFO L87 Difference]: Start difference. First operand 1779 states and 2691 transitions. Second operand has 6 states, 5 states have (on average 65.8) internal successors, (329), 5 states have internal predecessors, (329), 2 states have call successors, (113), 2 states have call predecessors, (113), 1 states have return successors, (112), 1 states have call predecessors, (112), 1 states have call successors, (112) [2024-11-22 02:35:59,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:35:59,470 INFO L93 Difference]: Finished difference Result 1787 states and 2697 transitions. [2024-11-22 02:35:59,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:35:59,471 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 65.8) internal successors, (329), 5 states have internal predecessors, (329), 2 states have call successors, (113), 2 states have call predecessors, (113), 1 states have return successors, (112), 1 states have call predecessors, (112), 1 states have call successors, (112) Word has length 884 [2024-11-22 02:35:59,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:35:59,488 INFO L225 Difference]: With dead ends: 1787 [2024-11-22 02:35:59,488 INFO L226 Difference]: Without dead ends: 1785 [2024-11-22 02:35:59,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:35:59,491 INFO L432 NwaCegarLoop]: 1931 mSDtfsCounter, 1506 mSDsluCounter, 6442 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1506 SdHoareTripleChecker+Valid, 8373 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:35:59,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1506 Valid, 8373 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:35:59,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1785 states. [2024-11-22 02:35:59,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1785 to 1783. [2024-11-22 02:35:59,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1783 states, 1104 states have (on average 1.2536231884057971) internal successors, (1384), 1162 states have internal predecessors, (1384), 644 states have call successors, (644), 34 states have call predecessors, (644), 34 states have return successors, (666), 639 states have call predecessors, (666), 642 states have call successors, (666) [2024-11-22 02:35:59,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 2694 transitions. [2024-11-22 02:35:59,794 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 2694 transitions. Word has length 884 [2024-11-22 02:35:59,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:35:59,796 INFO L471 AbstractCegarLoop]: Abstraction has 1783 states and 2694 transitions. [2024-11-22 02:35:59,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 65.8) internal successors, (329), 5 states have internal predecessors, (329), 2 states have call successors, (113), 2 states have call predecessors, (113), 1 states have return successors, (112), 1 states have call predecessors, (112), 1 states have call successors, (112) [2024-11-22 02:35:59,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2694 transitions. [2024-11-22 02:35:59,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 891 [2024-11-22 02:35:59,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:35:59,814 INFO L215 NwaCegarLoop]: trace histogram [111, 111, 111, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:35:59,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 02:35:59,814 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:35:59,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:35:59,815 INFO L85 PathProgramCache]: Analyzing trace with hash 674639210, now seen corresponding path program 1 times [2024-11-22 02:35:59,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:35:59,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328618513] [2024-11-22 02:35:59,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:35:59,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:02,495 INFO L134 CoverageAnalysis]: Checked inductivity of 24428 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24424 trivial. 0 not checked. [2024-11-22 02:36:02,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:02,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328618513] [2024-11-22 02:36:02,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328618513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:02,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:36:02,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:36:02,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863212594] [2024-11-22 02:36:02,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:02,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:36:02,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:02,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:36:02,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:36:02,502 INFO L87 Difference]: Start difference. First operand 1783 states and 2694 transitions. Second operand has 6 states, 5 states have (on average 66.0) internal successors, (330), 5 states have internal predecessors, (330), 2 states have call successors, (114), 2 states have call predecessors, (114), 1 states have return successors, (113), 1 states have call predecessors, (113), 1 states have call successors, (113) [2024-11-22 02:36:02,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:02,934 INFO L93 Difference]: Finished difference Result 1791 states and 2700 transitions. [2024-11-22 02:36:02,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:36:02,935 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 66.0) internal successors, (330), 5 states have internal predecessors, (330), 2 states have call successors, (114), 2 states have call predecessors, (114), 1 states have return successors, (113), 1 states have call predecessors, (113), 1 states have call successors, (113) Word has length 890 [2024-11-22 02:36:02,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:02,947 INFO L225 Difference]: With dead ends: 1791 [2024-11-22 02:36:02,947 INFO L226 Difference]: Without dead ends: 1789 [2024-11-22 02:36:02,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:36:02,952 INFO L432 NwaCegarLoop]: 1931 mSDtfsCounter, 1504 mSDsluCounter, 6442 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1504 SdHoareTripleChecker+Valid, 8373 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:02,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1504 Valid, 8373 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:36:02,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1789 states. [2024-11-22 02:36:03,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1789 to 1787. [2024-11-22 02:36:03,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1787 states, 1107 states have (on average 1.2529358626919602) internal successors, (1387), 1165 states have internal predecessors, (1387), 644 states have call successors, (644), 35 states have call predecessors, (644), 35 states have return successors, (666), 639 states have call predecessors, (666), 642 states have call successors, (666) [2024-11-22 02:36:03,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1787 states and 2697 transitions. [2024-11-22 02:36:03,233 INFO L78 Accepts]: Start accepts. Automaton has 1787 states and 2697 transitions. Word has length 890 [2024-11-22 02:36:03,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:03,235 INFO L471 AbstractCegarLoop]: Abstraction has 1787 states and 2697 transitions. [2024-11-22 02:36:03,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 66.0) internal successors, (330), 5 states have internal predecessors, (330), 2 states have call successors, (114), 2 states have call predecessors, (114), 1 states have return successors, (113), 1 states have call predecessors, (113), 1 states have call successors, (113) [2024-11-22 02:36:03,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2697 transitions. [2024-11-22 02:36:03,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 897 [2024-11-22 02:36:03,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:03,250 INFO L215 NwaCegarLoop]: trace histogram [111, 111, 111, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:03,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 02:36:03,250 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:03,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:03,251 INFO L85 PathProgramCache]: Analyzing trace with hash 819907345, now seen corresponding path program 1 times [2024-11-22 02:36:03,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:03,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452884744] [2024-11-22 02:36:03,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:03,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:05,892 INFO L134 CoverageAnalysis]: Checked inductivity of 24438 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24432 trivial. 0 not checked. [2024-11-22 02:36:05,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:05,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452884744] [2024-11-22 02:36:05,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452884744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:05,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:36:05,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:36:05,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972808570] [2024-11-22 02:36:05,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:05,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:36:05,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:05,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:36:05,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:36:05,899 INFO L87 Difference]: Start difference. First operand 1787 states and 2697 transitions. Second operand has 6 states, 5 states have (on average 66.2) internal successors, (331), 5 states have internal predecessors, (331), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) [2024-11-22 02:36:06,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:06,311 INFO L93 Difference]: Finished difference Result 1795 states and 2703 transitions. [2024-11-22 02:36:06,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:36:06,312 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 66.2) internal successors, (331), 5 states have internal predecessors, (331), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) Word has length 896 [2024-11-22 02:36:06,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:06,323 INFO L225 Difference]: With dead ends: 1795 [2024-11-22 02:36:06,324 INFO L226 Difference]: Without dead ends: 1793 [2024-11-22 02:36:06,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:36:06,325 INFO L432 NwaCegarLoop]: 1931 mSDtfsCounter, 1502 mSDsluCounter, 6442 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1502 SdHoareTripleChecker+Valid, 8373 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:06,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1502 Valid, 8373 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:36:06,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1793 states. [2024-11-22 02:36:06,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1793 to 1791. [2024-11-22 02:36:06,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1791 states, 1110 states have (on average 1.2522522522522523) internal successors, (1390), 1168 states have internal predecessors, (1390), 644 states have call successors, (644), 36 states have call predecessors, (644), 36 states have return successors, (666), 639 states have call predecessors, (666), 642 states have call successors, (666) [2024-11-22 02:36:06,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1791 states and 2700 transitions. [2024-11-22 02:36:06,623 INFO L78 Accepts]: Start accepts. Automaton has 1791 states and 2700 transitions. Word has length 896 [2024-11-22 02:36:06,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:06,624 INFO L471 AbstractCegarLoop]: Abstraction has 1791 states and 2700 transitions. [2024-11-22 02:36:06,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 66.2) internal successors, (331), 5 states have internal predecessors, (331), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) [2024-11-22 02:36:06,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2700 transitions. [2024-11-22 02:36:06,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 903 [2024-11-22 02:36:06,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:06,639 INFO L215 NwaCegarLoop]: trace histogram [111, 111, 111, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:06,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 02:36:06,639 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:06,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:06,641 INFO L85 PathProgramCache]: Analyzing trace with hash -745203594, now seen corresponding path program 1 times [2024-11-22 02:36:06,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:06,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130548041] [2024-11-22 02:36:06,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:06,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:09,770 INFO L134 CoverageAnalysis]: Checked inductivity of 24452 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24444 trivial. 0 not checked. [2024-11-22 02:36:09,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:09,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130548041] [2024-11-22 02:36:09,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130548041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:09,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:36:09,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:36:09,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812012193] [2024-11-22 02:36:09,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:09,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:36:09,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:09,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:36:09,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:36:09,773 INFO L87 Difference]: Start difference. First operand 1791 states and 2700 transitions. Second operand has 6 states, 5 states have (on average 66.4) internal successors, (332), 5 states have internal predecessors, (332), 2 states have call successors, (116), 2 states have call predecessors, (116), 1 states have return successors, (115), 1 states have call predecessors, (115), 1 states have call successors, (115) [2024-11-22 02:36:10,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:10,187 INFO L93 Difference]: Finished difference Result 1799 states and 2706 transitions. [2024-11-22 02:36:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:36:10,188 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 66.4) internal successors, (332), 5 states have internal predecessors, (332), 2 states have call successors, (116), 2 states have call predecessors, (116), 1 states have return successors, (115), 1 states have call predecessors, (115), 1 states have call successors, (115) Word has length 902 [2024-11-22 02:36:10,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:10,201 INFO L225 Difference]: With dead ends: 1799 [2024-11-22 02:36:10,201 INFO L226 Difference]: Without dead ends: 1797 [2024-11-22 02:36:10,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:36:10,205 INFO L432 NwaCegarLoop]: 1931 mSDtfsCounter, 1500 mSDsluCounter, 6442 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 8373 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:10,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1500 Valid, 8373 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:36:10,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states. [2024-11-22 02:36:10,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 1795. [2024-11-22 02:36:10,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1795 states, 1113 states have (on average 1.251572327044025) internal successors, (1393), 1171 states have internal predecessors, (1393), 644 states have call successors, (644), 37 states have call predecessors, (644), 37 states have return successors, (666), 639 states have call predecessors, (666), 642 states have call successors, (666) [2024-11-22 02:36:10,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1795 states and 2703 transitions. [2024-11-22 02:36:10,477 INFO L78 Accepts]: Start accepts. Automaton has 1795 states and 2703 transitions. Word has length 902 [2024-11-22 02:36:10,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:10,478 INFO L471 AbstractCegarLoop]: Abstraction has 1795 states and 2703 transitions. [2024-11-22 02:36:10,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 66.4) internal successors, (332), 5 states have internal predecessors, (332), 2 states have call successors, (116), 2 states have call predecessors, (116), 1 states have return successors, (115), 1 states have call predecessors, (115), 1 states have call successors, (115) [2024-11-22 02:36:10,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 2703 transitions. [2024-11-22 02:36:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 909 [2024-11-22 02:36:10,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:10,494 INFO L215 NwaCegarLoop]: trace histogram [111, 111, 111, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:10,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 02:36:10,495 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:10,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:10,495 INFO L85 PathProgramCache]: Analyzing trace with hash 939118361, now seen corresponding path program 1 times [2024-11-22 02:36:10,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:10,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28403497] [2024-11-22 02:36:10,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:10,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:13,343 INFO L134 CoverageAnalysis]: Checked inductivity of 24470 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24460 trivial. 0 not checked. [2024-11-22 02:36:13,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:13,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28403497] [2024-11-22 02:36:13,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28403497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:13,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:36:13,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:36:13,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372425489] [2024-11-22 02:36:13,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:13,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:36:13,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:13,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:36:13,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:36:13,349 INFO L87 Difference]: Start difference. First operand 1795 states and 2703 transitions. Second operand has 6 states, 5 states have (on average 66.6) internal successors, (333), 5 states have internal predecessors, (333), 2 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (116), 1 states have call predecessors, (116), 1 states have call successors, (116) [2024-11-22 02:36:13,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:13,792 INFO L93 Difference]: Finished difference Result 1803 states and 2709 transitions. [2024-11-22 02:36:13,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:36:13,797 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 66.6) internal successors, (333), 5 states have internal predecessors, (333), 2 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (116), 1 states have call predecessors, (116), 1 states have call successors, (116) Word has length 908 [2024-11-22 02:36:13,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:13,809 INFO L225 Difference]: With dead ends: 1803 [2024-11-22 02:36:13,809 INFO L226 Difference]: Without dead ends: 1801 [2024-11-22 02:36:13,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:36:13,811 INFO L432 NwaCegarLoop]: 1931 mSDtfsCounter, 1498 mSDsluCounter, 6442 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 8373 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:13,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 8373 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:36:13,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2024-11-22 02:36:14,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1799. [2024-11-22 02:36:14,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1799 states, 1116 states have (on average 1.2508960573476702) internal successors, (1396), 1174 states have internal predecessors, (1396), 644 states have call successors, (644), 38 states have call predecessors, (644), 38 states have return successors, (666), 639 states have call predecessors, (666), 642 states have call successors, (666) [2024-11-22 02:36:14,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1799 states and 2706 transitions. [2024-11-22 02:36:14,086 INFO L78 Accepts]: Start accepts. Automaton has 1799 states and 2706 transitions. Word has length 908 [2024-11-22 02:36:14,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:14,087 INFO L471 AbstractCegarLoop]: Abstraction has 1799 states and 2706 transitions. [2024-11-22 02:36:14,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 66.6) internal successors, (333), 5 states have internal predecessors, (333), 2 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (116), 1 states have call predecessors, (116), 1 states have call successors, (116) [2024-11-22 02:36:14,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2706 transitions. [2024-11-22 02:36:14,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 915 [2024-11-22 02:36:14,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:14,106 INFO L215 NwaCegarLoop]: trace histogram [111, 111, 111, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:14,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 02:36:14,106 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:14,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:14,107 INFO L85 PathProgramCache]: Analyzing trace with hash 563906682, now seen corresponding path program 1 times [2024-11-22 02:36:14,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:14,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904989046] [2024-11-22 02:36:14,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:14,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:16,656 INFO L134 CoverageAnalysis]: Checked inductivity of 24492 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24480 trivial. 0 not checked. [2024-11-22 02:36:16,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:16,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904989046] [2024-11-22 02:36:16,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904989046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:16,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:36:16,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:36:16,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014162587] [2024-11-22 02:36:16,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:16,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:36:16,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:16,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:36:16,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:36:16,659 INFO L87 Difference]: Start difference. First operand 1799 states and 2706 transitions. Second operand has 6 states, 5 states have (on average 66.8) internal successors, (334), 5 states have internal predecessors, (334), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (117), 1 states have call predecessors, (117), 1 states have call successors, (117) [2024-11-22 02:36:17,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:17,053 INFO L93 Difference]: Finished difference Result 1807 states and 2712 transitions. [2024-11-22 02:36:17,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:36:17,054 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 66.8) internal successors, (334), 5 states have internal predecessors, (334), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (117), 1 states have call predecessors, (117), 1 states have call successors, (117) Word has length 914 [2024-11-22 02:36:17,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:17,068 INFO L225 Difference]: With dead ends: 1807 [2024-11-22 02:36:17,068 INFO L226 Difference]: Without dead ends: 1805 [2024-11-22 02:36:17,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:36:17,070 INFO L432 NwaCegarLoop]: 1931 mSDtfsCounter, 1496 mSDsluCounter, 6442 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1496 SdHoareTripleChecker+Valid, 8373 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:17,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1496 Valid, 8373 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:36:17,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1805 states. [2024-11-22 02:36:17,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1805 to 1803. [2024-11-22 02:36:17,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1803 states, 1119 states have (on average 1.2502234137622878) internal successors, (1399), 1177 states have internal predecessors, (1399), 644 states have call successors, (644), 39 states have call predecessors, (644), 39 states have return successors, (666), 639 states have call predecessors, (666), 642 states have call successors, (666) [2024-11-22 02:36:17,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 2709 transitions. [2024-11-22 02:36:17,339 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 2709 transitions. Word has length 914 [2024-11-22 02:36:17,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:17,340 INFO L471 AbstractCegarLoop]: Abstraction has 1803 states and 2709 transitions. [2024-11-22 02:36:17,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 66.8) internal successors, (334), 5 states have internal predecessors, (334), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (117), 1 states have call predecessors, (117), 1 states have call successors, (117) [2024-11-22 02:36:17,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2709 transitions. [2024-11-22 02:36:17,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 921 [2024-11-22 02:36:17,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:17,355 INFO L215 NwaCegarLoop]: trace histogram [111, 111, 111, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:17,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 02:36:17,355 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:17,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:17,357 INFO L85 PathProgramCache]: Analyzing trace with hash 961789465, now seen corresponding path program 1 times [2024-11-22 02:36:17,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:17,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916125840] [2024-11-22 02:36:17,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:17,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat