/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/systemc/transmitter.16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 17:51:50,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 17:51:50,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 17:51:50,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 17:51:50,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 17:51:50,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 17:51:50,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 17:51:50,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 17:51:50,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 17:51:50,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 17:51:50,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 17:51:50,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 17:51:50,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 17:51:50,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 17:51:50,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 17:51:50,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 17:51:50,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 17:51:50,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 17:51:50,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 17:51:50,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 17:51:50,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 17:51:50,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 17:51:50,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 17:51:50,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 17:51:50,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 17:51:50,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 17:51:50,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 17:51:50,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 17:51:50,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 17:51:50,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 17:51:50,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 17:51:50,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 17:51:50,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 17:51:50,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 17:51:50,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 17:51:50,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 17:51:50,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 17:51:50,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 17:51:50,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 17:51:50,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 17:51:50,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 17:51:50,332 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-15 17:51:50,411 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 17:51:50,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 17:51:50,412 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 17:51:50,412 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 17:51:50,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 17:51:50,415 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 17:51:50,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 17:51:50,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 17:51:50,418 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 17:51:50,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 17:51:50,420 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 17:51:50,420 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 17:51:50,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 17:51:50,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 17:51:50,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 17:51:50,421 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 17:51:50,421 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 17:51:50,422 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 17:51:50,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 17:51:50,422 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 17:51:50,422 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 17:51:50,423 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 17:51:50,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 17:51:50,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 17:51:50,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 17:51:50,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:51:50,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 17:51:50,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 17:51:50,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 17:51:50,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 17:51:50,425 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 17:51:50,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 17:51:50,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 17:51:50,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 17:51:50,929 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 17:51:50,930 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 17:51:50,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/transmitter.16.cil.c [2022-10-15 17:51:51,019 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e5e5faee/8dba1234e5884e33848a6d0a4ceb9d3f/FLAG57a903690 [2022-10-15 17:51:51,761 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 17:51:51,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.16.cil.c [2022-10-15 17:51:51,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e5e5faee/8dba1234e5884e33848a6d0a4ceb9d3f/FLAG57a903690 [2022-10-15 17:51:51,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e5e5faee/8dba1234e5884e33848a6d0a4ceb9d3f [2022-10-15 17:51:51,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 17:51:51,995 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 17:51:51,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 17:51:51,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 17:51:52,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 17:51:52,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:51:51" (1/1) ... [2022-10-15 17:51:52,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e11866e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:52, skipping insertion in model container [2022-10-15 17:51:52,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:51:51" (1/1) ... [2022-10-15 17:51:52,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 17:51:52,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 17:51:52,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.16.cil.c[706,719] [2022-10-15 17:51:52,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:51:52,578 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 17:51:52,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.16.cil.c[706,719] [2022-10-15 17:51:52,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:51:52,709 INFO L208 MainTranslator]: Completed translation [2022-10-15 17:51:52,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:52 WrapperNode [2022-10-15 17:51:52,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 17:51:52,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 17:51:52,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 17:51:52,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 17:51:52,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:52" (1/1) ... [2022-10-15 17:51:52,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:52" (1/1) ... [2022-10-15 17:51:52,846 INFO L138 Inliner]: procedures = 56, calls = 71, calls flagged for inlining = 40, calls inlined = 40, statements flattened = 945 [2022-10-15 17:51:52,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 17:51:52,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 17:51:52,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 17:51:52,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 17:51:52,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:52" (1/1) ... [2022-10-15 17:51:52,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:52" (1/1) ... [2022-10-15 17:51:52,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:52" (1/1) ... [2022-10-15 17:51:52,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:52" (1/1) ... [2022-10-15 17:51:52,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:52" (1/1) ... [2022-10-15 17:51:52,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:52" (1/1) ... [2022-10-15 17:51:52,950 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:52" (1/1) ... [2022-10-15 17:51:52,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:52" (1/1) ... [2022-10-15 17:51:52,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 17:51:52,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 17:51:52,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 17:51:52,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 17:51:52,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:52" (1/1) ... [2022-10-15 17:51:52,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:51:52,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:51:53,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 17:51:53,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 17:51:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 17:51:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-10-15 17:51:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-10-15 17:51:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-15 17:51:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-15 17:51:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-10-15 17:51:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-10-15 17:51:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-10-15 17:51:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-10-15 17:51:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-15 17:51:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-15 17:51:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-10-15 17:51:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-10-15 17:51:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 17:51:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 17:51:53,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 17:51:53,241 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 17:51:53,244 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 17:51:54,458 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 17:51:54,473 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 17:51:54,473 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2022-10-15 17:51:54,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:51:54 BoogieIcfgContainer [2022-10-15 17:51:54,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 17:51:54,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 17:51:54,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 17:51:54,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 17:51:54,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 05:51:51" (1/3) ... [2022-10-15 17:51:54,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5617a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:51:54, skipping insertion in model container [2022-10-15 17:51:54,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:52" (2/3) ... [2022-10-15 17:51:54,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5617a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:51:54, skipping insertion in model container [2022-10-15 17:51:54,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:51:54" (3/3) ... [2022-10-15 17:51:54,488 INFO L112 eAbstractionObserver]: Analyzing ICFG transmitter.16.cil.c [2022-10-15 17:51:54,511 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 17:51:54,511 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 17:51:54,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 17:51:54,593 INFO L357 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, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@330c408a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 17:51:54,593 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 17:51:54,602 INFO L276 IsEmpty]: Start isEmpty. Operand has 425 states, 390 states have (on average 1.676923076923077) internal successors, (654), 393 states have internal predecessors, (654), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-10-15 17:51:54,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-10-15 17:51:54,627 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:51:54,628 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:51:54,629 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:51:54,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:51:54,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1768476824, now seen corresponding path program 1 times [2022-10-15 17:51:54,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:51:54,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790535592] [2022-10-15 17:51:54,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:51:54,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:51:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:55,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:51:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:55,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:51:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:55,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-15 17:51:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:55,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 17:51:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:55,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:51:55,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:51:55,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790535592] [2022-10-15 17:51:55,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790535592] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:51:55,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:51:55,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:51:55,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478817820] [2022-10-15 17:51:55,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:51:55,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:51:55,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:51:55,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:51:55,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:51:55,649 INFO L87 Difference]: Start difference. First operand has 425 states, 390 states have (on average 1.676923076923077) internal successors, (654), 393 states have internal predecessors, (654), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 5 states, 5 states have (on average 35.0) internal successors, (175), 3 states have internal predecessors, (175), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-15 17:51:58,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:51:58,274 INFO L93 Difference]: Finished difference Result 586 states and 944 transitions. [2022-10-15 17:51:58,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 17:51:58,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 3 states have internal predecessors, (175), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 183 [2022-10-15 17:51:58,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:51:58,301 INFO L225 Difference]: With dead ends: 586 [2022-10-15 17:51:58,301 INFO L226 Difference]: Without dead ends: 584 [2022-10-15 17:51:58,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 17:51:58,312 INFO L413 NwaCegarLoop]: 735 mSDtfsCounter, 1167 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 804 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 1180 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:51:58,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1191 Valid, 1180 Invalid, 866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 804 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-15 17:51:58,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2022-10-15 17:51:58,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 422. [2022-10-15 17:51:58,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 388 states have (on average 1.5798969072164948) internal successors, (613), 390 states have internal predecessors, (613), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-10-15 17:51:58,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 665 transitions. [2022-10-15 17:51:58,417 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 665 transitions. Word has length 183 [2022-10-15 17:51:58,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:51:58,417 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 665 transitions. [2022-10-15 17:51:58,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 3 states have internal predecessors, (175), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-15 17:51:58,418 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 665 transitions. [2022-10-15 17:51:58,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-10-15 17:51:58,425 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:51:58,429 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:51:58,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 17:51:58,430 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:51:58,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:51:58,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1621268647, now seen corresponding path program 1 times [2022-10-15 17:51:58,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:51:58,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828407824] [2022-10-15 17:51:58,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:51:58,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:51:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:58,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:51:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:58,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:51:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:58,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-15 17:51:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:58,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 17:51:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:58,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-15 17:51:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:58,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:51:58,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:51:58,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828407824] [2022-10-15 17:51:58,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828407824] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:51:58,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:51:58,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:51:58,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218449334] [2022-10-15 17:51:58,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:51:58,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:51:58,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:51:58,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:51:58,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:51:58,795 INFO L87 Difference]: Start difference. First operand 422 states and 665 transitions. Second operand has 5 states, 5 states have (on average 37.0) internal successors, (185), 3 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 17:52:01,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:52:01,011 INFO L93 Difference]: Finished difference Result 584 states and 941 transitions. [2022-10-15 17:52:01,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 17:52:01,012 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 3 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 195 [2022-10-15 17:52:01,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:52:01,021 INFO L225 Difference]: With dead ends: 584 [2022-10-15 17:52:01,021 INFO L226 Difference]: Without dead ends: 584 [2022-10-15 17:52:01,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 17:52:01,023 INFO L413 NwaCegarLoop]: 732 mSDtfsCounter, 1156 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 803 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 1172 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-15 17:52:01,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 1172 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 803 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-15 17:52:01,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2022-10-15 17:52:01,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 422. [2022-10-15 17:52:01,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 388 states have (on average 1.577319587628866) internal successors, (612), 390 states have internal predecessors, (612), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-10-15 17:52:01,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 664 transitions. [2022-10-15 17:52:01,059 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 664 transitions. Word has length 195 [2022-10-15 17:52:01,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:52:01,059 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 664 transitions. [2022-10-15 17:52:01,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 3 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 17:52:01,060 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 664 transitions. [2022-10-15 17:52:01,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-10-15 17:52:01,064 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:52:01,064 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:52:01,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 17:52:01,065 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:52:01,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:52:01,065 INFO L85 PathProgramCache]: Analyzing trace with hash 344718107, now seen corresponding path program 1 times [2022-10-15 17:52:01,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:52:01,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055792024] [2022-10-15 17:52:01,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:52:01,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:52:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:01,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:52:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:01,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:52:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:01,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-15 17:52:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:01,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 17:52:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:01,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-15 17:52:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:01,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:52:01,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:52:01,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055792024] [2022-10-15 17:52:01,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055792024] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:52:01,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:52:01,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 17:52:01,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584265131] [2022-10-15 17:52:01,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:52:01,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:52:01,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:52:01,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:52:01,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:52:01,540 INFO L87 Difference]: Start difference. First operand 422 states and 664 transitions. Second operand has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 17:52:04,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:52:04,006 INFO L93 Difference]: Finished difference Result 613 states and 996 transitions. [2022-10-15 17:52:04,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 17:52:04,007 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 195 [2022-10-15 17:52:04,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:52:04,013 INFO L225 Difference]: With dead ends: 613 [2022-10-15 17:52:04,013 INFO L226 Difference]: Without dead ends: 613 [2022-10-15 17:52:04,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-10-15 17:52:04,023 INFO L413 NwaCegarLoop]: 739 mSDtfsCounter, 1448 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 1511 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1468 SdHoareTripleChecker+Valid, 1567 SdHoareTripleChecker+Invalid, 1611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:52:04,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1468 Valid, 1567 Invalid, 1611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1511 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-15 17:52:04,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2022-10-15 17:52:04,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 422. [2022-10-15 17:52:04,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 388 states have (on average 1.574742268041237) internal successors, (611), 390 states have internal predecessors, (611), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-10-15 17:52:04,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 663 transitions. [2022-10-15 17:52:04,072 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 663 transitions. Word has length 195 [2022-10-15 17:52:04,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:52:04,076 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 663 transitions. [2022-10-15 17:52:04,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 17:52:04,077 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 663 transitions. [2022-10-15 17:52:04,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-10-15 17:52:04,088 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:52:04,088 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:52:04,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 17:52:04,089 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:52:04,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:52:04,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1158380199, now seen corresponding path program 1 times [2022-10-15 17:52:04,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:52:04,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151507736] [2022-10-15 17:52:04,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:52:04,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:52:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:04,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:52:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:04,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:52:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:04,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-15 17:52:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:04,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 17:52:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:04,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-15 17:52:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:04,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:52:04,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:52:04,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151507736] [2022-10-15 17:52:04,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151507736] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:52:04,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:52:04,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 17:52:04,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094698979] [2022-10-15 17:52:04,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:52:04,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:52:04,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:52:04,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:52:04,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:52:04,660 INFO L87 Difference]: Start difference. First operand 422 states and 663 transitions. Second operand has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 17:52:10,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:52:10,889 INFO L93 Difference]: Finished difference Result 1607 states and 2579 transitions. [2022-10-15 17:52:10,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-15 17:52:10,890 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 195 [2022-10-15 17:52:10,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:52:10,902 INFO L225 Difference]: With dead ends: 1607 [2022-10-15 17:52:10,902 INFO L226 Difference]: Without dead ends: 1607 [2022-10-15 17:52:10,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2022-10-15 17:52:10,904 INFO L413 NwaCegarLoop]: 1131 mSDtfsCounter, 2665 mSDsluCounter, 2116 mSDsCounter, 0 mSdLazyCounter, 3621 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2699 SdHoareTripleChecker+Valid, 3247 SdHoareTripleChecker+Invalid, 3711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 3621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:52:10,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2699 Valid, 3247 Invalid, 3711 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [90 Valid, 3621 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-10-15 17:52:10,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2022-10-15 17:52:10,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 844. [2022-10-15 17:52:10,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 779 states have (on average 1.5879332477535302) internal successors, (1237), 783 states have internal predecessors, (1237), 49 states have call successors, (49), 12 states have call predecessors, (49), 14 states have return successors, (56), 50 states have call predecessors, (56), 49 states have call successors, (56) [2022-10-15 17:52:10,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1342 transitions. [2022-10-15 17:52:10,964 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1342 transitions. Word has length 195 [2022-10-15 17:52:10,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:52:10,965 INFO L495 AbstractCegarLoop]: Abstraction has 844 states and 1342 transitions. [2022-10-15 17:52:10,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 17:52:10,966 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1342 transitions. [2022-10-15 17:52:10,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-10-15 17:52:10,969 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:52:10,970 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:52:10,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 17:52:10,970 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:52:10,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:52:10,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1068319909, now seen corresponding path program 1 times [2022-10-15 17:52:10,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:52:10,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503820230] [2022-10-15 17:52:10,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:52:10,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:52:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:11,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:52:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:11,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:52:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:11,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-15 17:52:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:11,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 17:52:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:11,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-15 17:52:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:11,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:52:11,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:52:11,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503820230] [2022-10-15 17:52:11,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503820230] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:52:11,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:52:11,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 17:52:11,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095168681] [2022-10-15 17:52:11,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:52:11,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:52:11,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:52:11,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:52:11,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:52:11,369 INFO L87 Difference]: Start difference. First operand 844 states and 1342 transitions. Second operand has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 17:52:17,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:52:17,564 INFO L93 Difference]: Finished difference Result 3083 states and 4914 transitions. [2022-10-15 17:52:17,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-15 17:52:17,565 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 195 [2022-10-15 17:52:17,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:52:17,592 INFO L225 Difference]: With dead ends: 3083 [2022-10-15 17:52:17,592 INFO L226 Difference]: Without dead ends: 3083 [2022-10-15 17:52:17,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2022-10-15 17:52:17,594 INFO L413 NwaCegarLoop]: 1040 mSDtfsCounter, 2722 mSDsluCounter, 2026 mSDsCounter, 0 mSdLazyCounter, 3422 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2756 SdHoareTripleChecker+Valid, 3066 SdHoareTripleChecker+Invalid, 3519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 3422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:52:17,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2756 Valid, 3066 Invalid, 3519 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [97 Valid, 3422 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-10-15 17:52:17,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3083 states. [2022-10-15 17:52:17,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3083 to 1623. [2022-10-15 17:52:17,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1623 states, 1502 states have (on average 1.5805592543275633) internal successors, (2374), 1508 states have internal predecessors, (2374), 91 states have call successors, (91), 24 states have call predecessors, (91), 28 states have return successors, (108), 94 states have call predecessors, (108), 91 states have call successors, (108) [2022-10-15 17:52:17,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1623 states and 2573 transitions. [2022-10-15 17:52:17,719 INFO L78 Accepts]: Start accepts. Automaton has 1623 states and 2573 transitions. Word has length 195 [2022-10-15 17:52:17,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:52:17,719 INFO L495 AbstractCegarLoop]: Abstraction has 1623 states and 2573 transitions. [2022-10-15 17:52:17,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 17:52:17,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 2573 transitions. [2022-10-15 17:52:17,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-10-15 17:52:17,725 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:52:17,725 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:52:17,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 17:52:17,726 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:52:17,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:52:17,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1758151399, now seen corresponding path program 1 times [2022-10-15 17:52:17,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:52:17,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961871318] [2022-10-15 17:52:17,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:52:17,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:52:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:18,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:52:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:18,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:52:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:18,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-15 17:52:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:18,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 17:52:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:18,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-15 17:52:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:18,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:52:18,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:52:18,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961871318] [2022-10-15 17:52:18,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961871318] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:52:18,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:52:18,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 17:52:18,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100042105] [2022-10-15 17:52:18,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:52:18,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:52:18,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:52:18,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:52:18,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:52:18,256 INFO L87 Difference]: Start difference. First operand 1623 states and 2573 transitions. Second operand has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 17:52:24,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:52:24,567 INFO L93 Difference]: Finished difference Result 6033 states and 9584 transitions. [2022-10-15 17:52:24,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-15 17:52:24,568 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 195 [2022-10-15 17:52:24,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:52:24,641 INFO L225 Difference]: With dead ends: 6033 [2022-10-15 17:52:24,641 INFO L226 Difference]: Without dead ends: 6033 [2022-10-15 17:52:24,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2022-10-15 17:52:24,645 INFO L413 NwaCegarLoop]: 1120 mSDtfsCounter, 2666 mSDsluCounter, 2116 mSDsCounter, 0 mSdLazyCounter, 3603 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2700 SdHoareTripleChecker+Valid, 3236 SdHoareTripleChecker+Invalid, 3696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 3603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:52:24,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2700 Valid, 3236 Invalid, 3696 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [93 Valid, 3603 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-10-15 17:52:24,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6033 states. [2022-10-15 17:52:24,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6033 to 3184. [2022-10-15 17:52:24,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3184 states, 2951 states have (on average 1.5764147746526602) internal successors, (4652), 2961 states have internal predecessors, (4652), 175 states have call successors, (175), 48 states have call predecessors, (175), 56 states have return successors, (218), 182 states have call predecessors, (218), 175 states have call successors, (218) [2022-10-15 17:52:24,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 5045 transitions. [2022-10-15 17:52:24,824 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 5045 transitions. Word has length 195 [2022-10-15 17:52:24,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:52:24,827 INFO L495 AbstractCegarLoop]: Abstraction has 3184 states and 5045 transitions. [2022-10-15 17:52:24,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 17:52:24,827 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 5045 transitions. [2022-10-15 17:52:24,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-10-15 17:52:24,832 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:52:24,832 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:52:24,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 17:52:24,833 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:52:24,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:52:24,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1129089947, now seen corresponding path program 1 times [2022-10-15 17:52:24,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:52:24,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40981253] [2022-10-15 17:52:24,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:52:24,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:52:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:25,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:52:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:25,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:52:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:25,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-15 17:52:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:25,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 17:52:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:25,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-15 17:52:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:25,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:52:25,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:52:25,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40981253] [2022-10-15 17:52:25,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40981253] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:52:25,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:52:25,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 17:52:25,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753872117] [2022-10-15 17:52:25,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:52:25,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:52:25,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:52:25,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:52:25,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:52:25,263 INFO L87 Difference]: Start difference. First operand 3184 states and 5045 transitions. Second operand has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 17:52:31,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:52:31,313 INFO L93 Difference]: Finished difference Result 11929 states and 18930 transitions. [2022-10-15 17:52:31,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-15 17:52:31,318 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 195 [2022-10-15 17:52:31,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:52:31,406 INFO L225 Difference]: With dead ends: 11929 [2022-10-15 17:52:31,406 INFO L226 Difference]: Without dead ends: 11929 [2022-10-15 17:52:31,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2022-10-15 17:52:31,407 INFO L413 NwaCegarLoop]: 1117 mSDtfsCounter, 2666 mSDsluCounter, 2116 mSDsCounter, 0 mSdLazyCounter, 3597 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2700 SdHoareTripleChecker+Valid, 3233 SdHoareTripleChecker+Invalid, 3690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 3597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:52:31,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2700 Valid, 3233 Invalid, 3690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 3597 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-10-15 17:52:31,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11929 states. [2022-10-15 17:52:31,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11929 to 6313. [2022-10-15 17:52:31,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6313 states, 5856 states have (on average 1.5741120218579234) internal successors, (9218), 5874 states have internal predecessors, (9218), 343 states have call successors, (343), 96 states have call predecessors, (343), 112 states have return successors, (456), 358 states have call predecessors, (456), 343 states have call successors, (456) [2022-10-15 17:52:31,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6313 states to 6313 states and 10017 transitions. [2022-10-15 17:52:31,716 INFO L78 Accepts]: Start accepts. Automaton has 6313 states and 10017 transitions. Word has length 195 [2022-10-15 17:52:31,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:52:31,717 INFO L495 AbstractCegarLoop]: Abstraction has 6313 states and 10017 transitions. [2022-10-15 17:52:31,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 17:52:31,718 INFO L276 IsEmpty]: Start isEmpty. Operand 6313 states and 10017 transitions. [2022-10-15 17:52:31,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-10-15 17:52:31,724 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:52:31,724 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:52:31,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 17:52:31,725 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:52:31,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:52:31,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1637868761, now seen corresponding path program 1 times [2022-10-15 17:52:31,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:52:31,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874192930] [2022-10-15 17:52:31,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:52:31,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:52:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:31,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:52:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:31,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:52:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:32,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-15 17:52:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:32,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 17:52:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:32,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-15 17:52:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:32,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:52:32,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:52:32,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874192930] [2022-10-15 17:52:32,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874192930] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:52:32,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:52:32,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 17:52:32,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404408711] [2022-10-15 17:52:32,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:52:32,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:52:32,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:52:32,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:52:32,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:52:32,105 INFO L87 Difference]: Start difference. First operand 6313 states and 10017 transitions. Second operand has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 17:52:38,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:52:38,360 INFO L93 Difference]: Finished difference Result 23713 states and 37652 transitions. [2022-10-15 17:52:38,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-15 17:52:38,362 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 195 [2022-10-15 17:52:38,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:52:38,491 INFO L225 Difference]: With dead ends: 23713 [2022-10-15 17:52:38,491 INFO L226 Difference]: Without dead ends: 23713 [2022-10-15 17:52:38,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2022-10-15 17:52:38,492 INFO L413 NwaCegarLoop]: 1114 mSDtfsCounter, 2666 mSDsluCounter, 2116 mSDsCounter, 0 mSdLazyCounter, 3591 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2700 SdHoareTripleChecker+Valid, 3230 SdHoareTripleChecker+Invalid, 3684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 3591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:52:38,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2700 Valid, 3230 Invalid, 3684 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [93 Valid, 3591 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-10-15 17:52:38,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23713 states. [2022-10-15 17:52:38,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23713 to 12586. [2022-10-15 17:52:39,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12586 states, 11681 states have (on average 1.5728105470422054) internal successors, (18372), 11715 states have internal predecessors, (18372), 679 states have call successors, (679), 192 states have call predecessors, (679), 224 states have return successors, (986), 710 states have call predecessors, (986), 679 states have call successors, (986) [2022-10-15 17:52:39,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12586 states to 12586 states and 20037 transitions. [2022-10-15 17:52:39,099 INFO L78 Accepts]: Start accepts. Automaton has 12586 states and 20037 transitions. Word has length 195 [2022-10-15 17:52:39,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:52:39,100 INFO L495 AbstractCegarLoop]: Abstraction has 12586 states and 20037 transitions. [2022-10-15 17:52:39,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 17:52:39,101 INFO L276 IsEmpty]: Start isEmpty. Operand 12586 states and 20037 transitions. [2022-10-15 17:52:39,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-10-15 17:52:39,111 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:52:39,111 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:52:39,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 17:52:39,112 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:52:39,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:52:39,113 INFO L85 PathProgramCache]: Analyzing trace with hash -285381669, now seen corresponding path program 1 times [2022-10-15 17:52:39,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:52:39,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103287391] [2022-10-15 17:52:39,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:52:39,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:52:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:39,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:52:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:39,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:52:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:39,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-15 17:52:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:39,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 17:52:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-15 17:52:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:39,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:52:39,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:52:39,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103287391] [2022-10-15 17:52:39,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103287391] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:52:39,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:52:39,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 17:52:39,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883057954] [2022-10-15 17:52:39,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:52:39,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:52:39,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:52:39,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:52:39,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:52:39,552 INFO L87 Difference]: Start difference. First operand 12586 states and 20037 transitions. Second operand has 7 states, 7 states have (on average 26.428571428571427) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)