./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekh_ctm.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 c3ec7c03a28dc415c6db5fadbfd8dcd491b1a493cd1bf88ef12d02131cd13437 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:51:12,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:51:12,303 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:51:12,312 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:51:12,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:51:12,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:51:12,345 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:51:12,345 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:51:12,346 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:51:12,347 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:51:12,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:51:12,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:51:12,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:51:12,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:51:12,351 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:51:12,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:51:12,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:51:12,352 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:51:12,352 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:51:12,353 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:51:12,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:51:12,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:51:12,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:51:12,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:51:12,357 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:51:12,358 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:51:12,358 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:51:12,358 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:51:12,358 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:51:12,359 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:51:12,359 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:51:12,359 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:51:12,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:51:12,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:51:12,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:51:12,360 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:51:12,361 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:51:12,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:51:12,361 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:51:12,361 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:51:12,362 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:51:12,362 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:51:12,362 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3ec7c03a28dc415c6db5fadbfd8dcd491b1a493cd1bf88ef12d02131cd13437 [2024-11-18 14:51:12,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:51:12,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:51:12,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:51:12,685 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:51:12,686 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:51:12,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2024-11-18 14:51:14,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:51:14,364 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:51:14,364 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2024-11-18 14:51:14,390 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe7bbefc1/e0f6928eebb74e61a948c04dccd9d5ca/FLAG36be848ee [2024-11-18 14:51:14,402 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe7bbefc1/e0f6928eebb74e61a948c04dccd9d5ca [2024-11-18 14:51:14,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:51:14,405 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:51:14,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:51:14,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:51:14,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:51:14,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:51:14" (1/1) ... [2024-11-18 14:51:14,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa70523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:14, skipping insertion in model container [2024-11-18 14:51:14,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:51:14" (1/1) ... [2024-11-18 14:51:14,483 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:51:14,703 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/rekh_ctm.1.c[1868,1881] [2024-11-18 14:51:15,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:51:15,263 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:51:15,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.ok1.i","-S") [42] [2024-11-18 14:51:15,281 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/rekh_ctm.1.c[1868,1881] [2024-11-18 14:51:15,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:51:15,548 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:51:15,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:15 WrapperNode [2024-11-18 14:51:15,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:51:15,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:51:15,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:51:15,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:51:15,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:15" (1/1) ... [2024-11-18 14:51:15,632 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:15" (1/1) ... [2024-11-18 14:51:15,909 INFO L138 Inliner]: procedures = 99, calls = 2727, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8497 [2024-11-18 14:51:15,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:51:15,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:51:15,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:51:15,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:51:15,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:15" (1/1) ... [2024-11-18 14:51:15,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:15" (1/1) ... [2024-11-18 14:51:16,074 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:15" (1/1) ... [2024-11-18 14:51:16,197 INFO L175 MemorySlicer]: Split 2332 memory accesses to 49 slices as follows [2, 80, 86, 37, 37, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46]. 4 percent of accesses are in the largest equivalence class. The 338 initializations are split as follows [2, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]. The 402 writes are split as follows [0, 7, 7, 7, 7, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6]. [2024-11-18 14:51:16,198 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:15" (1/1) ... [2024-11-18 14:51:16,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:15" (1/1) ... [2024-11-18 14:51:16,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:15" (1/1) ... [2024-11-18 14:51:16,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:15" (1/1) ... [2024-11-18 14:51:16,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:15" (1/1) ... [2024-11-18 14:51:16,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:15" (1/1) ... [2024-11-18 14:51:16,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:51:16,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:51:16,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:51:16,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:51:16,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:15" (1/1) ... [2024-11-18 14:51:16,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:51:16,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:51:16,636 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) [2024-11-18 14:51:16,646 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 [2024-11-18 14:51:16,734 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2024-11-18 14:51:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2024-11-18 14:51:16,734 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2024-11-18 14:51:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2024-11-18 14:51:16,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-18 14:51:16,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-18 14:51:16,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-18 14:51:16,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-18 14:51:16,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-18 14:51:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-18 14:51:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-18 14:51:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-18 14:51:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-18 14:51:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-18 14:51:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-18 14:51:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-18 14:51:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-18 14:51:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-18 14:51:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-18 14:51:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-18 14:51:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-18 14:51:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-18 14:51:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-18 14:51:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-18 14:51:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-18 14:51:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-18 14:51:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-18 14:51:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-18 14:51:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-18 14:51:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-18 14:51:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-18 14:51:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-11-18 14:51:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-11-18 14:51:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-11-18 14:51:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-11-18 14:51:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2024-11-18 14:51:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2024-11-18 14:51:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2024-11-18 14:51:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2024-11-18 14:51:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2024-11-18 14:51:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2024-11-18 14:51:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2024-11-18 14:51:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2024-11-18 14:51:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2024-11-18 14:51:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2024-11-18 14:51:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2024-11-18 14:51:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2024-11-18 14:51:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2024-11-18 14:51:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2024-11-18 14:51:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2024-11-18 14:51:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2024-11-18 14:51:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#47 [2024-11-18 14:51:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#48 [2024-11-18 14:51:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2024-11-18 14:51:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2024-11-18 14:51:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-18 14:51:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-18 14:51:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2024-11-18 14:51:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2024-11-18 14:51:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2024-11-18 14:51:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2024-11-18 14:51:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2024-11-18 14:51:16,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2024-11-18 14:51:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2024-11-18 14:51:16,746 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2024-11-18 14:51:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2024-11-18 14:51:16,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2024-11-18 14:51:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2024-11-18 14:51:16,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2024-11-18 14:51:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-18 14:51:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-18 14:51:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-18 14:51:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-18 14:51:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-18 14:51:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-18 14:51:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-18 14:51:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-18 14:51:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-18 14:51:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-18 14:51:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-18 14:51:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-18 14:51:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-18 14:51:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-18 14:51:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-18 14:51:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-18 14:51:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-18 14:51:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-18 14:51:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-18 14:51:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-18 14:51:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-18 14:51:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-18 14:51:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-18 14:51:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-18 14:51:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-18 14:51:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-18 14:51:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-18 14:51:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-11-18 14:51:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-11-18 14:51:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-11-18 14:51:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-11-18 14:51:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2024-11-18 14:51:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2024-11-18 14:51:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2024-11-18 14:51:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2024-11-18 14:51:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2024-11-18 14:51:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2024-11-18 14:51:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2024-11-18 14:51:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2024-11-18 14:51:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2024-11-18 14:51:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2024-11-18 14:51:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2024-11-18 14:51:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2024-11-18 14:51:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2024-11-18 14:51:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2024-11-18 14:51:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2024-11-18 14:51:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2024-11-18 14:51:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#47 [2024-11-18 14:51:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#48 [2024-11-18 14:51:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-18 14:51:16,755 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-18 14:51:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2024-11-18 14:51:16,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2024-11-18 14:51:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2024-11-18 14:51:16,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2024-11-18 14:51:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2024-11-18 14:51:16,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2024-11-18 14:51:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2024-11-18 14:51:16,761 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2024-11-18 14:51:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2024-11-18 14:51:16,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2024-11-18 14:51:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-18 14:51:16,764 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-18 14:51:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:51:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-18 14:51:16,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-18 14:51:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2024-11-18 14:51:16,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2024-11-18 14:51:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2024-11-18 14:51:16,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2024-11-18 14:51:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2024-11-18 14:51:16,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2024-11-18 14:51:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-18 14:51:16,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-18 14:51:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2024-11-18 14:51:16,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2024-11-18 14:51:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-18 14:51:16,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-18 14:51:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2024-11-18 14:51:16,765 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2024-11-18 14:51:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2024-11-18 14:51:16,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2024-11-18 14:51:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2024-11-18 14:51:16,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2024-11-18 14:51:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2024-11-18 14:51:16,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2024-11-18 14:51:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2024-11-18 14:51:16,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2024-11-18 14:51:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2024-11-18 14:51:16,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2024-11-18 14:51:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2024-11-18 14:51:16,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2024-11-18 14:51:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2024-11-18 14:51:16,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2024-11-18 14:51:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2024-11-18 14:51:16,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2024-11-18 14:51:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2024-11-18 14:51:16,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2024-11-18 14:51:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2024-11-18 14:51:16,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2024-11-18 14:51:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2024-11-18 14:51:16,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2024-11-18 14:51:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2024-11-18 14:51:16,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2024-11-18 14:51:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2024-11-18 14:51:16,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2024-11-18 14:51:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2024-11-18 14:51:16,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2024-11-18 14:51:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2024-11-18 14:51:16,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2024-11-18 14:51:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2024-11-18 14:51:16,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2024-11-18 14:51:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2024-11-18 14:51:16,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2024-11-18 14:51:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2024-11-18 14:51:16,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2024-11-18 14:51:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:51:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-18 14:51:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-18 14:51:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-18 14:51:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-18 14:51:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-18 14:51:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-18 14:51:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-18 14:51:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-18 14:51:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-18 14:51:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-18 14:51:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-18 14:51:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-18 14:51:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-18 14:51:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-18 14:51:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-18 14:51:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-18 14:51:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-18 14:51:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-18 14:51:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-18 14:51:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-18 14:51:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-18 14:51:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-18 14:51:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-18 14:51:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-18 14:51:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-18 14:51:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-18 14:51:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-11-18 14:51:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-11-18 14:51:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-11-18 14:51:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-11-18 14:51:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2024-11-18 14:51:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2024-11-18 14:51:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2024-11-18 14:51:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2024-11-18 14:51:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2024-11-18 14:51:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2024-11-18 14:51:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2024-11-18 14:51:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2024-11-18 14:51:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2024-11-18 14:51:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2024-11-18 14:51:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2024-11-18 14:51:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2024-11-18 14:51:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2024-11-18 14:51:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2024-11-18 14:51:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2024-11-18 14:51:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2024-11-18 14:51:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#47 [2024-11-18 14:51:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#48 [2024-11-18 14:51:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2024-11-18 14:51:16,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2024-11-18 14:51:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:51:16,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:51:17,502 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:51:17,504 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:51:27,979 INFO L? ?]: Removed 947 outVars from TransFormulas that were not future-live. [2024-11-18 14:51:27,979 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:51:28,032 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:51:28,033 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-18 14:51:28,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:51:28 BoogieIcfgContainer [2024-11-18 14:51:28,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:51:28,035 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:51:28,035 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:51:28,038 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:51:28,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:51:14" (1/3) ... [2024-11-18 14:51:28,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34000dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:51:28, skipping insertion in model container [2024-11-18 14:51:28,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:15" (2/3) ... [2024-11-18 14:51:28,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34000dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:51:28, skipping insertion in model container [2024-11-18 14:51:28,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:51:28" (3/3) ... [2024-11-18 14:51:28,041 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_ctm.1.c [2024-11-18 14:51:28,060 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:51:28,060 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:51:28,212 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:51:28,219 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;@3c634ade, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:51:28,220 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:51:28,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 2464 states, 2113 states have (on average 1.480832938949361) internal successors, (3129), 2137 states have internal predecessors, (3129), 305 states have call successors, (305), 44 states have call predecessors, (305), 44 states have return successors, (305), 295 states have call predecessors, (305), 305 states have call successors, (305) [2024-11-18 14:51:28,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-18 14:51:28,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:51:28,265 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:51:28,265 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:51:28,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:51:28,273 INFO L85 PathProgramCache]: Analyzing trace with hash 433864660, now seen corresponding path program 1 times [2024-11-18 14:51:28,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:51:28,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337033843] [2024-11-18 14:51:28,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:51:28,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:51:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:51:29,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:51:29,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:51:29,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337033843] [2024-11-18 14:51:29,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337033843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:51:29,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:51:29,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 14:51:29,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129744675] [2024-11-18 14:51:29,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:51:29,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 14:51:29,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:51:29,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 14:51:29,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:51:29,602 INFO L87 Difference]: Start difference. First operand has 2464 states, 2113 states have (on average 1.480832938949361) internal successors, (3129), 2137 states have internal predecessors, (3129), 305 states have call successors, (305), 44 states have call predecessors, (305), 44 states have return successors, (305), 295 states have call predecessors, (305), 305 states have call successors, (305) Second operand has 2 states, 2 states have (on average 71.0) internal successors, (142), 2 states have internal predecessors, (142), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-18 14:51:29,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:51:29,825 INFO L93 Difference]: Finished difference Result 4919 states and 7725 transitions. [2024-11-18 14:51:29,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 14:51:29,827 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 71.0) internal successors, (142), 2 states have internal predecessors, (142), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 148 [2024-11-18 14:51:29,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:51:29,867 INFO L225 Difference]: With dead ends: 4919 [2024-11-18 14:51:29,867 INFO L226 Difference]: Without dead ends: 2451 [2024-11-18 14:51:29,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:51:29,903 INFO L432 NwaCegarLoop]: 3043 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, 3043 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 [2024-11-18 14:51:29,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3043 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:51:29,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2451 states. [2024-11-18 14:51:30,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2451 to 2451. [2024-11-18 14:51:30,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2451 states, 2101 states have (on average 1.15421227986673) internal successors, (2425), 2125 states have internal predecessors, (2425), 305 states have call successors, (305), 44 states have call predecessors, (305), 44 states have return successors, (304), 294 states have call predecessors, (304), 304 states have call successors, (304) [2024-11-18 14:51:30,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 2451 states and 3034 transitions. [2024-11-18 14:51:30,097 INFO L78 Accepts]: Start accepts. Automaton has 2451 states and 3034 transitions. Word has length 148 [2024-11-18 14:51:30,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:51:30,098 INFO L471 AbstractCegarLoop]: Abstraction has 2451 states and 3034 transitions. [2024-11-18 14:51:30,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 71.0) internal successors, (142), 2 states have internal predecessors, (142), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-18 14:51:30,099 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 3034 transitions. [2024-11-18 14:51:30,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-18 14:51:30,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:51:30,113 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:51:30,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 14:51:30,113 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:51:30,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:51:30,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1872430963, now seen corresponding path program 1 times [2024-11-18 14:51:30,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:51:30,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399056910] [2024-11-18 14:51:30,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:51:30,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:51:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:51:31,765 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-18 14:51:31,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:51:31,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399056910] [2024-11-18 14:51:31,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399056910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:51:31,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:51:31,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:51:31,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226388941] [2024-11-18 14:51:31,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:51:31,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:51:31,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:51:31,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:51:31,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:51:31,771 INFO L87 Difference]: Start difference. First operand 2451 states and 3034 transitions. Second operand has 6 states, 6 states have (on average 31.666666666666668) internal successors, (190), 6 states have internal predecessors, (190), 4 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-18 14:51:35,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:51:35,036 INFO L93 Difference]: Finished difference Result 5556 states and 6977 transitions. [2024-11-18 14:51:35,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:51:35,037 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.666666666666668) internal successors, (190), 6 states have internal predecessors, (190), 4 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 208 [2024-11-18 14:51:35,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:51:35,064 INFO L225 Difference]: With dead ends: 5556 [2024-11-18 14:51:35,064 INFO L226 Difference]: Without dead ends: 3110 [2024-11-18 14:51:35,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:51:35,086 INFO L432 NwaCegarLoop]: 3648 mSDtfsCounter, 5820 mSDsluCounter, 4602 mSDsCounter, 0 mSdLazyCounter, 2054 mSolverCounterSat, 487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5820 SdHoareTripleChecker+Valid, 8250 SdHoareTripleChecker+Invalid, 2541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 487 IncrementalHoareTripleChecker+Valid, 2054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-18 14:51:35,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5820 Valid, 8250 Invalid, 2541 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [487 Valid, 2054 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-18 14:51:35,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3110 states. [2024-11-18 14:51:35,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3110 to 2974. [2024-11-18 14:51:35,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2974 states, 2476 states have (on average 1.186995153473344) internal successors, (2939), 2506 states have internal predecessors, (2939), 420 states have call successors, (420), 77 states have call predecessors, (420), 77 states have return successors, (419), 405 states have call predecessors, (419), 419 states have call successors, (419) [2024-11-18 14:51:35,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 2974 states and 3778 transitions. [2024-11-18 14:51:35,284 INFO L78 Accepts]: Start accepts. Automaton has 2974 states and 3778 transitions. Word has length 208 [2024-11-18 14:51:35,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:51:35,288 INFO L471 AbstractCegarLoop]: Abstraction has 2974 states and 3778 transitions. [2024-11-18 14:51:35,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.666666666666668) internal successors, (190), 6 states have internal predecessors, (190), 4 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-18 14:51:35,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2974 states and 3778 transitions. [2024-11-18 14:51:35,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-18 14:51:35,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:51:35,297 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:51:35,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 14:51:35,297 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:51:35,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:51:35,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1097966701, now seen corresponding path program 1 times [2024-11-18 14:51:35,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:51:35,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011585696] [2024-11-18 14:51:35,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:51:35,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:51:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:51:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-18 14:51:36,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:51:36,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011585696] [2024-11-18 14:51:36,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011585696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:51:36,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:51:36,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:51:36,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434878621] [2024-11-18 14:51:36,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:51:36,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:51:36,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:51:36,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:51:36,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:51:36,745 INFO L87 Difference]: Start difference. First operand 2974 states and 3778 transitions. Second operand has 6 states, 6 states have (on average 31.666666666666668) internal successors, (190), 6 states have internal predecessors, (190), 4 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-18 14:51:39,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:51:39,739 INFO L93 Difference]: Finished difference Result 6455 states and 8258 transitions. [2024-11-18 14:51:39,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:51:39,740 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.666666666666668) internal successors, (190), 6 states have internal predecessors, (190), 4 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 209 [2024-11-18 14:51:39,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:51:39,769 INFO L225 Difference]: With dead ends: 6455 [2024-11-18 14:51:39,769 INFO L226 Difference]: Without dead ends: 3486 [2024-11-18 14:51:39,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:51:39,793 INFO L432 NwaCegarLoop]: 3525 mSDtfsCounter, 3727 mSDsluCounter, 5463 mSDsCounter, 0 mSdLazyCounter, 2326 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3727 SdHoareTripleChecker+Valid, 8988 SdHoareTripleChecker+Invalid, 2337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-18 14:51:39,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3727 Valid, 8988 Invalid, 2337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2326 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-18 14:51:39,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3486 states. [2024-11-18 14:51:39,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3486 to 3348. [2024-11-18 14:51:39,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3348 states, 2752 states have (on average 1.2063953488372092) internal successors, (3320), 2791 states have internal predecessors, (3320), 497 states have call successors, (497), 98 states have call predecessors, (497), 98 states have return successors, (496), 478 states have call predecessors, (496), 496 states have call successors, (496) [2024-11-18 14:51:40,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3348 states to 3348 states and 4313 transitions. [2024-11-18 14:51:40,027 INFO L78 Accepts]: Start accepts. Automaton has 3348 states and 4313 transitions. Word has length 209 [2024-11-18 14:51:40,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:51:40,028 INFO L471 AbstractCegarLoop]: Abstraction has 3348 states and 4313 transitions. [2024-11-18 14:51:40,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.666666666666668) internal successors, (190), 6 states have internal predecessors, (190), 4 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-18 14:51:40,032 INFO L276 IsEmpty]: Start isEmpty. Operand 3348 states and 4313 transitions. [2024-11-18 14:51:40,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-18 14:51:40,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:51:40,038 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:51:40,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 14:51:40,043 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:51:40,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:51:40,043 INFO L85 PathProgramCache]: Analyzing trace with hash -2070802068, now seen corresponding path program 1 times [2024-11-18 14:51:40,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:51:40,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916362247] [2024-11-18 14:51:40,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:51:40,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:51:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:51:42,368 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-18 14:51:42,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:51:42,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916362247] [2024-11-18 14:51:42,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916362247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:51:42,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:51:42,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:51:42,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895552017] [2024-11-18 14:51:42,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:51:42,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:51:42,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:51:42,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:51:42,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:51:42,373 INFO L87 Difference]: Start difference. First operand 3348 states and 4313 transitions. Second operand has 5 states, 4 states have (on average 45.5) internal successors, (182), 5 states have internal predecessors, (182), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-18 14:51:45,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:51:45,514 INFO L93 Difference]: Finished difference Result 7065 states and 9162 transitions. [2024-11-18 14:51:45,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:51:45,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 45.5) internal successors, (182), 5 states have internal predecessors, (182), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 205 [2024-11-18 14:51:45,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:51:45,549 INFO L225 Difference]: With dead ends: 7065 [2024-11-18 14:51:45,550 INFO L226 Difference]: Without dead ends: 3722 [2024-11-18 14:51:45,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:51:45,574 INFO L432 NwaCegarLoop]: 3419 mSDtfsCounter, 3665 mSDsluCounter, 3345 mSDsCounter, 0 mSdLazyCounter, 1653 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3665 SdHoareTripleChecker+Valid, 6764 SdHoareTripleChecker+Invalid, 1661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-18 14:51:45,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3665 Valid, 6764 Invalid, 1661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1653 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-18 14:51:45,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3722 states. [2024-11-18 14:51:45,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3722 to 3720. [2024-11-18 14:51:45,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3720 states, 3027 states have (on average 1.2223323422530559) internal successors, (3700), 3072 states have internal predecessors, (3700), 574 states have call successors, (574), 118 states have call predecessors, (574), 118 states have return successors, (573), 553 states have call predecessors, (573), 573 states have call successors, (573) [2024-11-18 14:51:45,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3720 states to 3720 states and 4847 transitions. [2024-11-18 14:51:45,753 INFO L78 Accepts]: Start accepts. Automaton has 3720 states and 4847 transitions. Word has length 205 [2024-11-18 14:51:45,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:51:45,754 INFO L471 AbstractCegarLoop]: Abstraction has 3720 states and 4847 transitions. [2024-11-18 14:51:45,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 45.5) internal successors, (182), 5 states have internal predecessors, (182), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-18 14:51:45,754 INFO L276 IsEmpty]: Start isEmpty. Operand 3720 states and 4847 transitions. [2024-11-18 14:51:45,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-18 14:51:45,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:51:45,760 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:51:45,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 14:51:45,761 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:51:45,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:51:45,761 INFO L85 PathProgramCache]: Analyzing trace with hash 522398467, now seen corresponding path program 1 times [2024-11-18 14:51:45,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:51:45,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507787647] [2024-11-18 14:51:45,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:51:45,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:51:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:51:46,974 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-18 14:51:46,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:51:46,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507787647] [2024-11-18 14:51:46,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507787647] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:51:46,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668741941] [2024-11-18 14:51:46,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:51:46,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:51:46,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:51:46,980 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) [2024-11-18 14:51:46,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 14:51:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:51:48,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 2846 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-18 14:51:48,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:51:48,544 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-18 14:51:48,544 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:51:48,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668741941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:51:48,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:51:48,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-18 14:51:48,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981102597] [2024-11-18 14:51:48,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:51:48,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:51:48,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:51:48,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:51:48,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:51:48,547 INFO L87 Difference]: Start difference. First operand 3720 states and 4847 transitions. Second operand has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-18 14:51:50,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:51:50,468 INFO L93 Difference]: Finished difference Result 7672 states and 9979 transitions. [2024-11-18 14:51:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:51:50,469 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 208 [2024-11-18 14:51:50,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:51:50,496 INFO L225 Difference]: With dead ends: 7672 [2024-11-18 14:51:50,497 INFO L226 Difference]: Without dead ends: 3843 [2024-11-18 14:51:50,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:51:50,515 INFO L432 NwaCegarLoop]: 3597 mSDtfsCounter, 1465 mSDsluCounter, 8407 mSDsCounter, 0 mSdLazyCounter, 1603 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1465 SdHoareTripleChecker+Valid, 12004 SdHoareTripleChecker+Invalid, 1605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-18 14:51:50,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1465 Valid, 12004 Invalid, 1605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1603 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-18 14:51:50,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3843 states. [2024-11-18 14:51:50,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3843 to 3707. [2024-11-18 14:51:50,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3707 states, 3019 states have (on average 1.2209340841338192) internal successors, (3686), 3064 states have internal predecessors, (3686), 569 states have call successors, (569), 118 states have call predecessors, (569), 118 states have return successors, (568), 548 states have call predecessors, (568), 568 states have call successors, (568) [2024-11-18 14:51:50,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3707 states to 3707 states and 4823 transitions. [2024-11-18 14:51:50,695 INFO L78 Accepts]: Start accepts. Automaton has 3707 states and 4823 transitions. Word has length 208 [2024-11-18 14:51:50,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:51:50,696 INFO L471 AbstractCegarLoop]: Abstraction has 3707 states and 4823 transitions. [2024-11-18 14:51:50,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-18 14:51:50,696 INFO L276 IsEmpty]: Start isEmpty. Operand 3707 states and 4823 transitions. [2024-11-18 14:51:50,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-18 14:51:50,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:51:50,701 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:51:50,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-18 14:51:50,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:51:50,903 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:51:50,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:51:50,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1749754574, now seen corresponding path program 1 times [2024-11-18 14:51:50,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:51:50,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611569252] [2024-11-18 14:51:50,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:51:50,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:51:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:51:51,950 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-18 14:51:51,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:51:51,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611569252] [2024-11-18 14:51:51,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611569252] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:51:51,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394006065] [2024-11-18 14:51:51,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:51:51,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:51:51,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:51:51,953 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:51:51,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 14:51:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:51:53,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 2848 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-18 14:51:53,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:51:53,347 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-18 14:51:53,348 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:51:53,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394006065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:51:53,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:51:53,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-18 14:51:53,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748461642] [2024-11-18 14:51:53,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:51:53,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:51:53,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:51:53,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:51:53,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:51:53,352 INFO L87 Difference]: Start difference. First operand 3707 states and 4823 transitions. Second operand has 5 states, 5 states have (on average 37.4) internal successors, (187), 5 states have internal predecessors, (187), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-18 14:51:54,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:51:54,494 INFO L93 Difference]: Finished difference Result 7603 states and 9874 transitions. [2024-11-18 14:51:54,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:51:54,494 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.4) internal successors, (187), 5 states have internal predecessors, (187), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 209 [2024-11-18 14:51:54,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:51:54,522 INFO L225 Difference]: With dead ends: 7603 [2024-11-18 14:51:54,522 INFO L226 Difference]: Without dead ends: 3835 [2024-11-18 14:51:54,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:51:54,540 INFO L432 NwaCegarLoop]: 3575 mSDtfsCounter, 1170 mSDsluCounter, 6449 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 10024 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:51:54,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 10024 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-18 14:51:54,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3835 states. [2024-11-18 14:51:54,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3835 to 3697. [2024-11-18 14:51:54,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3697 states, 3013 states have (on average 1.219714570195818) internal successors, (3675), 3058 states have internal predecessors, (3675), 565 states have call successors, (565), 118 states have call predecessors, (565), 118 states have return successors, (564), 544 states have call predecessors, (564), 564 states have call successors, (564) [2024-11-18 14:51:54,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3697 states to 3697 states and 4804 transitions. [2024-11-18 14:51:54,700 INFO L78 Accepts]: Start accepts. Automaton has 3697 states and 4804 transitions. Word has length 209 [2024-11-18 14:51:54,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:51:54,701 INFO L471 AbstractCegarLoop]: Abstraction has 3697 states and 4804 transitions. [2024-11-18 14:51:54,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.4) internal successors, (187), 5 states have internal predecessors, (187), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-18 14:51:54,702 INFO L276 IsEmpty]: Start isEmpty. Operand 3697 states and 4804 transitions. [2024-11-18 14:51:54,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-18 14:51:54,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:51:54,707 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:51:54,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-18 14:51:54,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-18 14:51:54,908 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:51:54,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:51:54,909 INFO L85 PathProgramCache]: Analyzing trace with hash -12706403, now seen corresponding path program 1 times [2024-11-18 14:51:54,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:51:54,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774491170] [2024-11-18 14:51:54,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:51:54,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:51:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:51:55,955 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-18 14:51:55,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:51:55,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774491170] [2024-11-18 14:51:55,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774491170] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:51:55,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31408944] [2024-11-18 14:51:55,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:51:55,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:51:55,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:51:55,958 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:51:55,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-18 14:51:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:51:57,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 2850 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-18 14:51:57,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:51:57,352 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-18 14:51:57,352 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:51:57,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31408944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:51:57,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:51:57,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-18 14:51:57,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134554773] [2024-11-18 14:51:57,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:51:57,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:51:57,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:51:57,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:51:57,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:51:57,355 INFO L87 Difference]: Start difference. First operand 3697 states and 4804 transitions. Second operand has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-18 14:51:58,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:51:58,965 INFO L93 Difference]: Finished difference Result 8192 states and 10641 transitions. [2024-11-18 14:51:58,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:51:58,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 210 [2024-11-18 14:51:58,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:51:58,992 INFO L225 Difference]: With dead ends: 8192 [2024-11-18 14:51:58,993 INFO L226 Difference]: Without dead ends: 4500 [2024-11-18 14:51:59,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:51:59,010 INFO L432 NwaCegarLoop]: 3925 mSDtfsCounter, 1746 mSDsluCounter, 9149 mSDsCounter, 0 mSdLazyCounter, 1638 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1746 SdHoareTripleChecker+Valid, 13074 SdHoareTripleChecker+Invalid, 1641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-18 14:51:59,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1746 Valid, 13074 Invalid, 1641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1638 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-18 14:51:59,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4500 states. [2024-11-18 14:51:59,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4500 to 4171. [2024-11-18 14:51:59,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4171 states, 3355 states have (on average 1.235171385991058) internal successors, (4144), 3411 states have internal predecessors, (4144), 673 states have call successors, (673), 141 states have call predecessors, (673), 142 states have return successors, (673), 648 states have call predecessors, (673), 672 states have call successors, (673) [2024-11-18 14:51:59,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4171 states to 4171 states and 5490 transitions. [2024-11-18 14:51:59,188 INFO L78 Accepts]: Start accepts. Automaton has 4171 states and 5490 transitions. Word has length 210 [2024-11-18 14:51:59,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:51:59,190 INFO L471 AbstractCegarLoop]: Abstraction has 4171 states and 5490 transitions. [2024-11-18 14:51:59,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-18 14:51:59,191 INFO L276 IsEmpty]: Start isEmpty. Operand 4171 states and 5490 transitions. [2024-11-18 14:51:59,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-18 14:51:59,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:51:59,199 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:51:59,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-18 14:51:59,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:51:59,400 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:51:59,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:51:59,400 INFO L85 PathProgramCache]: Analyzing trace with hash -586234271, now seen corresponding path program 1 times [2024-11-18 14:51:59,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:51:59,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687839696] [2024-11-18 14:51:59,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:51:59,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:51:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:52:00,310 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-18 14:52:00,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:52:00,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687839696] [2024-11-18 14:52:00,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687839696] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:52:00,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509854168] [2024-11-18 14:52:00,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:52:00,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:52:00,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:52:00,313 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:52:00,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-18 14:52:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:52:01,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 2848 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-18 14:52:01,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:52:01,715 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-18 14:52:01,716 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:52:01,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509854168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:52:01,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:52:01,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-18 14:52:01,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91660883] [2024-11-18 14:52:01,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:52:01,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:52:01,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:52:01,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:52:01,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:52:01,719 INFO L87 Difference]: Start difference. First operand 4171 states and 5490 transitions. Second operand has 5 states, 5 states have (on average 38.0) internal successors, (190), 5 states have internal predecessors, (190), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-18 14:52:02,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:52:02,794 INFO L93 Difference]: Finished difference Result 8339 states and 10982 transitions. [2024-11-18 14:52:02,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:52:02,794 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.0) internal successors, (190), 5 states have internal predecessors, (190), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 210 [2024-11-18 14:52:02,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:52:02,824 INFO L225 Difference]: With dead ends: 8339 [2024-11-18 14:52:02,825 INFO L226 Difference]: Without dead ends: 4173 [2024-11-18 14:52:02,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:52:02,848 INFO L432 NwaCegarLoop]: 2946 mSDtfsCounter, 1039 mSDsluCounter, 5755 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1039 SdHoareTripleChecker+Valid, 8701 SdHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-18 14:52:02,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1039 Valid, 8701 Invalid, 1018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-18 14:52:02,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4173 states. [2024-11-18 14:52:03,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4173 to 4171. [2024-11-18 14:52:03,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4171 states, 3355 states have (on average 1.2348733233979137) internal successors, (4143), 3411 states have internal predecessors, (4143), 673 states have call successors, (673), 141 states have call predecessors, (673), 142 states have return successors, (673), 648 states have call predecessors, (673), 672 states have call successors, (673) [2024-11-18 14:52:03,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4171 states to 4171 states and 5489 transitions. [2024-11-18 14:52:03,042 INFO L78 Accepts]: Start accepts. Automaton has 4171 states and 5489 transitions. Word has length 210 [2024-11-18 14:52:03,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:52:03,043 INFO L471 AbstractCegarLoop]: Abstraction has 4171 states and 5489 transitions. [2024-11-18 14:52:03,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.0) internal successors, (190), 5 states have internal predecessors, (190), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-18 14:52:03,043 INFO L276 IsEmpty]: Start isEmpty. Operand 4171 states and 5489 transitions. [2024-11-18 14:52:03,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-18 14:52:03,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:52:03,054 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:52:03,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-18 14:52:03,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:52:03,255 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:52:03,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:52:03,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1511219555, now seen corresponding path program 1 times [2024-11-18 14:52:03,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:52:03,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535072993] [2024-11-18 14:52:03,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:52:03,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:52:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:52:04,269 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-18 14:52:04,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:52:04,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535072993] [2024-11-18 14:52:04,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535072993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:52:04,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:52:04,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:52:04,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635277290] [2024-11-18 14:52:04,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:52:04,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:52:04,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:52:04,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:52:04,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:52:04,272 INFO L87 Difference]: Start difference. First operand 4171 states and 5489 transitions. Second operand has 6 states, 6 states have (on average 30.833333333333332) internal successors, (185), 6 states have internal predecessors, (185), 3 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-18 14:52:06,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:52:06,612 INFO L93 Difference]: Finished difference Result 7857 states and 10278 transitions. [2024-11-18 14:52:06,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:52:06,612 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.833333333333332) internal successors, (185), 6 states have internal predecessors, (185), 3 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 220 [2024-11-18 14:52:06,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:52:06,635 INFO L225 Difference]: With dead ends: 7857 [2024-11-18 14:52:06,635 INFO L226 Difference]: Without dead ends: 3691 [2024-11-18 14:52:06,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:52:06,652 INFO L432 NwaCegarLoop]: 3489 mSDtfsCounter, 5730 mSDsluCounter, 4471 mSDsCounter, 0 mSdLazyCounter, 2089 mSolverCounterSat, 544 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5730 SdHoareTripleChecker+Valid, 7960 SdHoareTripleChecker+Invalid, 2633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 544 IncrementalHoareTripleChecker+Valid, 2089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:52:06,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5730 Valid, 7960 Invalid, 2633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [544 Valid, 2089 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-18 14:52:06,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3691 states. [2024-11-18 14:52:06,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3691 to 3689. [2024-11-18 14:52:06,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3689 states, 3008 states have (on average 1.2180851063829787) internal successors, (3664), 3053 states have internal predecessors, (3664), 562 states have call successors, (562), 118 states have call predecessors, (562), 118 states have return successors, (561), 541 states have call predecessors, (561), 561 states have call successors, (561) [2024-11-18 14:52:06,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 3689 states and 4787 transitions. [2024-11-18 14:52:06,800 INFO L78 Accepts]: Start accepts. Automaton has 3689 states and 4787 transitions. Word has length 220 [2024-11-18 14:52:06,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:52:06,800 INFO L471 AbstractCegarLoop]: Abstraction has 3689 states and 4787 transitions. [2024-11-18 14:52:06,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.833333333333332) internal successors, (185), 6 states have internal predecessors, (185), 3 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-18 14:52:06,801 INFO L276 IsEmpty]: Start isEmpty. Operand 3689 states and 4787 transitions. [2024-11-18 14:52:06,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-18 14:52:06,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:52:06,805 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:52:06,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-18 14:52:06,806 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:52:06,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:52:06,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1809571231, now seen corresponding path program 1 times [2024-11-18 14:52:06,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:52:06,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546910484] [2024-11-18 14:52:06,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:52:06,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:52:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:52:07,762 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-18 14:52:07,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:52:07,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546910484] [2024-11-18 14:52:07,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546910484] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:52:07,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824753812] [2024-11-18 14:52:07,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:52:07,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:52:07,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:52:07,764 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:52:07,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-18 14:52:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:52:09,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 2876 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-18 14:52:09,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:52:09,158 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-18 14:52:09,158 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:52:09,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824753812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:52:09,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:52:09,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2024-11-18 14:52:09,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860528637] [2024-11-18 14:52:09,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:52:09,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:52:09,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:52:09,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:52:09,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:52:09,161 INFO L87 Difference]: Start difference. First operand 3689 states and 4787 transitions. Second operand has 5 states, 5 states have (on average 38.4) internal successors, (192), 5 states have internal predecessors, (192), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-18 14:52:10,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:52:10,447 INFO L93 Difference]: Finished difference Result 7373 states and 9573 transitions. [2024-11-18 14:52:10,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:52:10,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.4) internal successors, (192), 5 states have internal predecessors, (192), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 220 [2024-11-18 14:52:10,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:52:10,469 INFO L225 Difference]: With dead ends: 7373 [2024-11-18 14:52:10,470 INFO L226 Difference]: Without dead ends: 3689 [2024-11-18 14:52:10,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:52:10,486 INFO L432 NwaCegarLoop]: 3063 mSDtfsCounter, 2498 mSDsluCounter, 4070 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2498 SdHoareTripleChecker+Valid, 7133 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:52:10,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2498 Valid, 7133 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-18 14:52:10,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3689 states. [2024-11-18 14:52:10,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3689 to 3687. [2024-11-18 14:52:10,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3687 states, 3007 states have (on average 1.2178250748254074) internal successors, (3662), 3052 states have internal predecessors, (3662), 561 states have call successors, (561), 118 states have call predecessors, (561), 118 states have return successors, (560), 540 states have call predecessors, (560), 560 states have call successors, (560) [2024-11-18 14:52:10,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3687 states to 3687 states and 4783 transitions. [2024-11-18 14:52:10,634 INFO L78 Accepts]: Start accepts. Automaton has 3687 states and 4783 transitions. Word has length 220 [2024-11-18 14:52:10,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:52:10,635 INFO L471 AbstractCegarLoop]: Abstraction has 3687 states and 4783 transitions. [2024-11-18 14:52:10,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.4) internal successors, (192), 5 states have internal predecessors, (192), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-18 14:52:10,635 INFO L276 IsEmpty]: Start isEmpty. Operand 3687 states and 4783 transitions. [2024-11-18 14:52:10,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-18 14:52:10,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:52:10,640 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:52:10,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-18 14:52:10,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-18 14:52:10,842 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:52:10,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:52:10,843 INFO L85 PathProgramCache]: Analyzing trace with hash -434462741, now seen corresponding path program 1 times [2024-11-18 14:52:10,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:52:10,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302374907] [2024-11-18 14:52:10,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:52:10,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:52:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:52:11,649 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-18 14:52:11,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:52:11,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302374907] [2024-11-18 14:52:11,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302374907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:52:11,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:52:11,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:52:11,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595608580] [2024-11-18 14:52:11,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:52:11,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:52:11,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:52:11,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:52:11,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:52:11,651 INFO L87 Difference]: Start difference. First operand 3687 states and 4783 transitions. Second operand has 6 states, 6 states have (on average 31.0) internal successors, (186), 6 states have internal predecessors, (186), 3 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-18 14:52:14,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:52:14,014 INFO L93 Difference]: Finished difference Result 7371 states and 9567 transitions. [2024-11-18 14:52:14,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:52:14,015 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.0) internal successors, (186), 6 states have internal predecessors, (186), 3 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 220 [2024-11-18 14:52:14,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:52:14,039 INFO L225 Difference]: With dead ends: 7371 [2024-11-18 14:52:14,039 INFO L226 Difference]: Without dead ends: 3689 [2024-11-18 14:52:14,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:52:14,056 INFO L432 NwaCegarLoop]: 3391 mSDtfsCounter, 5656 mSDsluCounter, 4451 mSDsCounter, 0 mSdLazyCounter, 2048 mSolverCounterSat, 572 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5656 SdHoareTripleChecker+Valid, 7842 SdHoareTripleChecker+Invalid, 2620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 572 IncrementalHoareTripleChecker+Valid, 2048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:52:14,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5656 Valid, 7842 Invalid, 2620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [572 Valid, 2048 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-18 14:52:14,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3689 states. [2024-11-18 14:52:14,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3689 to 3687. [2024-11-18 14:52:14,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3687 states, 3007 states have (on average 1.2174925174592617) internal successors, (3661), 3052 states have internal predecessors, (3661), 561 states have call successors, (561), 118 states have call predecessors, (561), 118 states have return successors, (560), 540 states have call predecessors, (560), 560 states have call successors, (560) [2024-11-18 14:52:14,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3687 states to 3687 states and 4782 transitions. [2024-11-18 14:52:14,368 INFO L78 Accepts]: Start accepts. Automaton has 3687 states and 4782 transitions. Word has length 220 [2024-11-18 14:52:14,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:52:14,368 INFO L471 AbstractCegarLoop]: Abstraction has 3687 states and 4782 transitions. [2024-11-18 14:52:14,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.0) internal successors, (186), 6 states have internal predecessors, (186), 3 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-18 14:52:14,369 INFO L276 IsEmpty]: Start isEmpty. Operand 3687 states and 4782 transitions. [2024-11-18 14:52:14,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-18 14:52:14,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:52:14,372 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:52:14,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-18 14:52:14,373 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:52:14,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:52:14,374 INFO L85 PathProgramCache]: Analyzing trace with hash 945504034, now seen corresponding path program 1 times [2024-11-18 14:52:14,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:52:14,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967190055] [2024-11-18 14:52:14,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:52:14,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:52:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:52:15,179 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-18 14:52:15,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:52:15,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967190055] [2024-11-18 14:52:15,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967190055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:52:15,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:52:15,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:52:15,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409425553] [2024-11-18 14:52:15,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:52:15,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:52:15,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:52:15,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:52:15,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:52:15,183 INFO L87 Difference]: Start difference. First operand 3687 states and 4782 transitions. Second operand has 6 states, 6 states have (on average 31.166666666666668) internal successors, (187), 6 states have internal predecessors, (187), 4 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-18 14:52:17,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:52:17,564 INFO L93 Difference]: Finished difference Result 7503 states and 9713 transitions. [2024-11-18 14:52:17,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:52:17,564 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.166666666666668) internal successors, (187), 6 states have internal predecessors, (187), 4 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 223 [2024-11-18 14:52:17,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:52:17,582 INFO L225 Difference]: With dead ends: 7503 [2024-11-18 14:52:17,583 INFO L226 Difference]: Without dead ends: 3821 [2024-11-18 14:52:17,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:52:17,598 INFO L432 NwaCegarLoop]: 3624 mSDtfsCounter, 3876 mSDsluCounter, 5567 mSDsCounter, 0 mSdLazyCounter, 2516 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3876 SdHoareTripleChecker+Valid, 9191 SdHoareTripleChecker+Invalid, 2526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:52:17,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3876 Valid, 9191 Invalid, 2526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2516 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-18 14:52:17,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3821 states. [2024-11-18 14:52:17,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3821 to 3685. [2024-11-18 14:52:17,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3685 states, 3006 states have (on average 1.2172322022621425) internal successors, (3659), 3051 states have internal predecessors, (3659), 560 states have call successors, (560), 118 states have call predecessors, (560), 118 states have return successors, (559), 539 states have call predecessors, (559), 559 states have call successors, (559) [2024-11-18 14:52:17,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3685 states to 3685 states and 4778 transitions. [2024-11-18 14:52:17,835 INFO L78 Accepts]: Start accepts. Automaton has 3685 states and 4778 transitions. Word has length 223 [2024-11-18 14:52:17,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:52:17,836 INFO L471 AbstractCegarLoop]: Abstraction has 3685 states and 4778 transitions. [2024-11-18 14:52:17,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.166666666666668) internal successors, (187), 6 states have internal predecessors, (187), 4 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-18 14:52:17,836 INFO L276 IsEmpty]: Start isEmpty. Operand 3685 states and 4778 transitions. [2024-11-18 14:52:17,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-18 14:52:17,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:52:17,840 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:52:17,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-18 14:52:17,840 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:52:17,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:52:17,841 INFO L85 PathProgramCache]: Analyzing trace with hash 935525039, now seen corresponding path program 1 times [2024-11-18 14:52:17,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:52:17,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208834964] [2024-11-18 14:52:17,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:52:17,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:52:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:52:18,652 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-18 14:52:18,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:52:18,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208834964] [2024-11-18 14:52:18,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208834964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:52:18,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:52:18,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:52:18,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828396879] [2024-11-18 14:52:18,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:52:18,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:52:18,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:52:18,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:52:18,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:52:18,655 INFO L87 Difference]: Start difference. First operand 3685 states and 4778 transitions. Second operand has 6 states, 6 states have (on average 31.333333333333332) internal successors, (188), 6 states have internal predecessors, (188), 4 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-18 14:52:20,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:52:20,625 INFO L93 Difference]: Finished difference Result 7499 states and 9705 transitions. [2024-11-18 14:52:20,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:52:20,626 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.333333333333332) internal successors, (188), 6 states have internal predecessors, (188), 4 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 224 [2024-11-18 14:52:20,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:52:20,642 INFO L225 Difference]: With dead ends: 7499 [2024-11-18 14:52:20,642 INFO L226 Difference]: Without dead ends: 3819 [2024-11-18 14:52:20,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:52:20,660 INFO L432 NwaCegarLoop]: 3502 mSDtfsCounter, 6683 mSDsluCounter, 2716 mSDsCounter, 0 mSdLazyCounter, 1276 mSolverCounterSat, 787 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6683 SdHoareTripleChecker+Valid, 6218 SdHoareTripleChecker+Invalid, 2063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 787 IncrementalHoareTripleChecker+Valid, 1276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-18 14:52:20,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6683 Valid, 6218 Invalid, 2063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [787 Valid, 1276 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-18 14:52:20,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3819 states. [2024-11-18 14:52:20,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3819 to 3681. [2024-11-18 14:52:20,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3681 states, 3004 states have (on average 1.216711051930759) internal successors, (3655), 3049 states have internal predecessors, (3655), 558 states have call successors, (558), 118 states have call predecessors, (558), 118 states have return successors, (557), 537 states have call predecessors, (557), 557 states have call successors, (557) [2024-11-18 14:52:20,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3681 states to 3681 states and 4770 transitions. [2024-11-18 14:52:20,898 INFO L78 Accepts]: Start accepts. Automaton has 3681 states and 4770 transitions. Word has length 224 [2024-11-18 14:52:20,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:52:20,899 INFO L471 AbstractCegarLoop]: Abstraction has 3681 states and 4770 transitions. [2024-11-18 14:52:20,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.333333333333332) internal successors, (188), 6 states have internal predecessors, (188), 4 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-18 14:52:20,900 INFO L276 IsEmpty]: Start isEmpty. Operand 3681 states and 4770 transitions. [2024-11-18 14:52:20,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-18 14:52:20,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:52:20,906 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:52:20,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-18 14:52:20,906 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:52:20,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:52:20,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1130424222, now seen corresponding path program 1 times [2024-11-18 14:52:20,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:52:20,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479118682] [2024-11-18 14:52:20,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:52:20,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:52:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:52:21,773 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-18 14:52:21,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:52:21,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479118682] [2024-11-18 14:52:21,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479118682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:52:21,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:52:21,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:52:21,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521366163] [2024-11-18 14:52:21,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:52:21,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:52:21,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:52:21,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:52:21,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:52:21,775 INFO L87 Difference]: Start difference. First operand 3681 states and 4770 transitions. Second operand has 6 states, 6 states have (on average 31.166666666666668) internal successors, (187), 6 states have internal predecessors, (187), 3 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10)