/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.12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 17:51:42,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 17:51:42,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 17:51:42,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 17:51:42,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 17:51:42,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 17:51:42,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 17:51:42,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 17:51:42,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 17:51:42,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 17:51:42,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 17:51:42,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 17:51:42,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 17:51:42,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 17:51:42,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 17:51:42,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 17:51:42,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 17:51:42,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 17:51:42,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 17:51:42,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 17:51:42,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 17:51:42,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 17:51:42,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 17:51:42,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 17:51:42,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 17:51:42,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 17:51:42,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 17:51:42,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 17:51:42,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 17:51:42,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 17:51:42,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 17:51:42,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 17:51:42,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 17:51:42,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 17:51:42,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 17:51:42,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 17:51:42,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 17:51:42,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 17:51:42,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 17:51:42,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 17:51:42,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 17:51:42,317 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 17:51:42,377 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 17:51:42,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 17:51:42,379 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 17:51:42,379 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 17:51:42,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 17:51:42,381 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 17:51:42,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 17:51:42,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 17:51:42,385 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 17:51:42,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 17:51:42,387 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 17:51:42,387 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 17:51:42,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 17:51:42,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 17:51:42,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 17:51:42,388 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 17:51:42,388 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 17:51:42,388 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 17:51:42,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 17:51:42,389 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 17:51:42,389 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 17:51:42,389 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 17:51:42,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 17:51:42,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 17:51:42,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 17:51:42,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:51:42,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 17:51:42,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 17:51:42,391 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 17:51:42,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 17:51:42,392 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 17:51:42,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 17:51:42,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 17:51:42,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 17:51:42,973 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 17:51:42,974 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 17:51:42,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/transmitter.12.cil.c [2022-10-15 17:51:43,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bfddbb98/f53453da55524443817c779712118814/FLAGb5199080b [2022-10-15 17:51:43,792 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 17:51:43,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.12.cil.c [2022-10-15 17:51:43,817 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bfddbb98/f53453da55524443817c779712118814/FLAGb5199080b [2022-10-15 17:51:44,074 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bfddbb98/f53453da55524443817c779712118814 [2022-10-15 17:51:44,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 17:51:44,085 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 17:51:44,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 17:51:44,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 17:51:44,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 17:51:44,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:51:44" (1/1) ... [2022-10-15 17:51:44,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d0181bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:44, skipping insertion in model container [2022-10-15 17:51:44,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:51:44" (1/1) ... [2022-10-15 17:51:44,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 17:51:44,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 17:51:44,341 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.12.cil.c[706,719] [2022-10-15 17:51:44,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:51:44,713 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 17:51:44,732 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.12.cil.c[706,719] [2022-10-15 17:51:44,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:51:44,844 INFO L208 MainTranslator]: Completed translation [2022-10-15 17:51:44,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:44 WrapperNode [2022-10-15 17:51:44,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 17:51:44,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 17:51:44,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 17:51:44,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 17:51:44,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:44" (1/1) ... [2022-10-15 17:51:44,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:44" (1/1) ... [2022-10-15 17:51:44,955 INFO L138 Inliner]: procedures = 52, calls = 66, calls flagged for inlining = 36, calls inlined = 36, statements flattened = 834 [2022-10-15 17:51:44,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 17:51:44,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 17:51:44,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 17:51:44,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 17:51:44,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:44" (1/1) ... [2022-10-15 17:51:44,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:44" (1/1) ... [2022-10-15 17:51:45,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:44" (1/1) ... [2022-10-15 17:51:45,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:44" (1/1) ... [2022-10-15 17:51:45,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:44" (1/1) ... [2022-10-15 17:51:45,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:44" (1/1) ... [2022-10-15 17:51:45,125 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:44" (1/1) ... [2022-10-15 17:51:45,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:44" (1/1) ... [2022-10-15 17:51:45,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 17:51:45,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 17:51:45,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 17:51:45,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 17:51:45,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:44" (1/1) ... [2022-10-15 17:51:45,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:51:45,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:51:45,232 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 17:51:45,265 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 17:51:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 17:51:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-10-15 17:51:45,338 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-10-15 17:51:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-15 17:51:45,338 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-15 17:51:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-10-15 17:51:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-10-15 17:51:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-10-15 17:51:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-10-15 17:51:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-15 17:51:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-15 17:51:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-10-15 17:51:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-10-15 17:51:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 17:51:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 17:51:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 17:51:45,607 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 17:51:45,613 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 17:51:46,658 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 17:51:46,684 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 17:51:46,684 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-10-15 17:51:46,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:51:46 BoogieIcfgContainer [2022-10-15 17:51:46,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 17:51:46,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 17:51:46,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 17:51:46,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 17:51:46,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 05:51:44" (1/3) ... [2022-10-15 17:51:46,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d465d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:51:46, skipping insertion in model container [2022-10-15 17:51:46,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:51:44" (2/3) ... [2022-10-15 17:51:46,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d465d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:51:46, skipping insertion in model container [2022-10-15 17:51:46,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:51:46" (3/3) ... [2022-10-15 17:51:46,701 INFO L112 eAbstractionObserver]: Analyzing ICFG transmitter.12.cil.c [2022-10-15 17:51:46,726 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 17:51:46,727 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 17:51:46,806 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 17:51:46,816 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;@402263d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 17:51:46,817 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 17:51:46,825 INFO L276 IsEmpty]: Start isEmpty. Operand has 379 states, 345 states have (on average 1.6666666666666667) internal successors, (575), 348 states have internal predecessors, (575), 25 states have call successors, (25), 6 states have call predecessors, (25), 6 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-10-15 17:51:46,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-15 17:51:46,848 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:51:46,849 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] [2022-10-15 17:51:46,850 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:51:46,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:51:46,857 INFO L85 PathProgramCache]: Analyzing trace with hash -629165659, now seen corresponding path program 1 times [2022-10-15 17:51:46,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:51:46,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855264878] [2022-10-15 17:51:46,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:51:46,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:51:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:47,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:51:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:47,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 17:51:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:47,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 17:51:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:47,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-15 17:51:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:47,849 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 17:51:47,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:51:47,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855264878] [2022-10-15 17:51:47,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855264878] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:51:47,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:51:47,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:51:47,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107279458] [2022-10-15 17:51:47,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:51:47,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:51:47,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:51:47,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:51:47,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:51:47,917 INFO L87 Difference]: Start difference. First operand has 379 states, 345 states have (on average 1.6666666666666667) internal successors, (575), 348 states have internal predecessors, (575), 25 states have call successors, (25), 6 states have call predecessors, (25), 6 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 5 states, 5 states have (on average 30.6) internal successors, (153), 3 states have internal predecessors, (153), 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 17:51:50,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:51:50,258 INFO L93 Difference]: Finished difference Result 518 states and 830 transitions. [2022-10-15 17:51:50,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 17:51:50,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 3 states have internal predecessors, (153), 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 161 [2022-10-15 17:51:50,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:51:50,284 INFO L225 Difference]: With dead ends: 518 [2022-10-15 17:51:50,284 INFO L226 Difference]: Without dead ends: 516 [2022-10-15 17:51:50,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 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 17:51:50,291 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 1015 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1038 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-15 17:51:50,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1038 Valid, 1048 Invalid, 763 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [58 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-15 17:51:50,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2022-10-15 17:51:50,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 376. [2022-10-15 17:51:50,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 343 states have (on average 1.5685131195335278) internal successors, (538), 345 states have internal predecessors, (538), 25 states have call successors, (25), 6 states have call predecessors, (25), 6 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-10-15 17:51:50,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 588 transitions. [2022-10-15 17:51:50,402 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 588 transitions. Word has length 161 [2022-10-15 17:51:50,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:51:50,403 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 588 transitions. [2022-10-15 17:51:50,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 3 states have internal predecessors, (153), 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 17:51:50,403 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 588 transitions. [2022-10-15 17:51:50,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-15 17:51:50,410 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:51:50,411 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] [2022-10-15 17:51:50,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 17:51:50,411 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:51:50,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:51:50,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1827630708, now seen corresponding path program 1 times [2022-10-15 17:51:50,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:51:50,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996920847] [2022-10-15 17:51:50,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:51:50,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:51:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:50,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:51:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:50,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 17:51:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:50,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 17:51:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:51,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-15 17:51:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:51,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-15 17:51:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:51,049 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 17:51:51,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:51:51,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996920847] [2022-10-15 17:51:51,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996920847] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:51:51,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:51:51,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 17:51:51,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219109174] [2022-10-15 17:51:51,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:51:51,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 17:51:51,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:51:51,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 17:51:51,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:51:51,058 INFO L87 Difference]: Start difference. First operand 376 states and 588 transitions. Second operand has 6 states, 6 states have (on average 29.5) internal successors, (177), 4 states have internal predecessors, (177), 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 17:51:55,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:51:55,090 INFO L93 Difference]: Finished difference Result 1029 states and 1650 transitions. [2022-10-15 17:51:55,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 17:51:55,098 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.5) internal successors, (177), 4 states have internal predecessors, (177), 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 187 [2022-10-15 17:51:55,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:51:55,123 INFO L225 Difference]: With dead ends: 1029 [2022-10-15 17:51:55,124 INFO L226 Difference]: Without dead ends: 1029 [2022-10-15 17:51:55,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-10-15 17:51:55,132 INFO L413 NwaCegarLoop]: 702 mSDtfsCounter, 1530 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 1966 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1548 SdHoareTripleChecker+Valid, 1658 SdHoareTripleChecker+Invalid, 2079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 1966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-15 17:51:55,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1548 Valid, 1658 Invalid, 2079 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [113 Valid, 1966 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-10-15 17:51:55,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2022-10-15 17:51:55,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 746. [2022-10-15 17:51:55,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 686 states have (on average 1.5801749271137027) internal successors, (1084), 689 states have internal predecessors, (1084), 45 states have call successors, (45), 12 states have call predecessors, (45), 13 states have return successors, (48), 45 states have call predecessors, (48), 45 states have call successors, (48) [2022-10-15 17:51:55,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1177 transitions. [2022-10-15 17:51:55,249 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1177 transitions. Word has length 187 [2022-10-15 17:51:55,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:51:55,250 INFO L495 AbstractCegarLoop]: Abstraction has 746 states and 1177 transitions. [2022-10-15 17:51:55,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.5) internal successors, (177), 4 states have internal predecessors, (177), 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 17:51:55,251 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1177 transitions. [2022-10-15 17:51:55,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-15 17:51:55,254 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:51:55,255 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] [2022-10-15 17:51:55,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 17:51:55,256 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:51:55,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:51:55,257 INFO L85 PathProgramCache]: Analyzing trace with hash -837924653, now seen corresponding path program 1 times [2022-10-15 17:51:55,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:51:55,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458198160] [2022-10-15 17:51:55,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:51:55,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:51:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:55,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:51:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:55,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 17:51:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:55,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 17:51:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:55,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-15 17:51:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:55,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-15 17:51:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:51:55,729 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 17:51:55,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:51:55,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458198160] [2022-10-15 17:51:55,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458198160] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:51:55,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:51:55,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 17:51:55,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748578952] [2022-10-15 17:51:55,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:51:55,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:51:55,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:51:55,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:51:55,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:51:55,733 INFO L87 Difference]: Start difference. First operand 746 states and 1177 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:52:01,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:52:01,608 INFO L93 Difference]: Finished difference Result 1736 states and 2785 transitions. [2022-10-15 17:52:01,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:52:01,608 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2022-10-15 17:52:01,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:52:01,623 INFO L225 Difference]: With dead ends: 1736 [2022-10-15 17:52:01,623 INFO L226 Difference]: Without dead ends: 1736 [2022-10-15 17:52:01,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2022-10-15 17:52:01,636 INFO L413 NwaCegarLoop]: 1223 mSDtfsCounter, 1681 mSDsluCounter, 1885 mSDsCounter, 0 mSdLazyCounter, 3869 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 3108 SdHoareTripleChecker+Invalid, 3944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 3869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:52:01,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1699 Valid, 3108 Invalid, 3944 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [75 Valid, 3869 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-10-15 17:52:01,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1736 states. [2022-10-15 17:52:01,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1736 to 1090. [2022-10-15 17:52:01,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1003 states have (on average 1.5732801595214356) internal successors, (1578), 1007 states have internal predecessors, (1578), 65 states have call successors, (65), 18 states have call predecessors, (65), 20 states have return successors, (70), 66 states have call predecessors, (70), 65 states have call successors, (70) [2022-10-15 17:52:01,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1713 transitions. [2022-10-15 17:52:01,735 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1713 transitions. Word has length 187 [2022-10-15 17:52:01,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:52:01,735 INFO L495 AbstractCegarLoop]: Abstraction has 1090 states and 1713 transitions. [2022-10-15 17:52:01,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:52:01,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1713 transitions. [2022-10-15 17:52:01,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-15 17:52:01,740 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:52:01,740 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] [2022-10-15 17:52:01,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 17:52:01,741 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:52:01,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:52:01,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1732434321, now seen corresponding path program 1 times [2022-10-15 17:52:01,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:52:01,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001999571] [2022-10-15 17:52:01,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:52:01,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:52:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:01,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:52:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:02,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 17:52:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 17:52:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:02,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-15 17:52:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:02,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-15 17:52:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:02,151 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 17:52:02,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:52:02,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001999571] [2022-10-15 17:52:02,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001999571] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:52:02,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:52:02,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 17:52:02,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888138867] [2022-10-15 17:52:02,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:52:02,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:52:02,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:52:02,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:52:02,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:52:02,155 INFO L87 Difference]: Start difference. First operand 1090 states and 1713 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:52:07,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:52:07,683 INFO L93 Difference]: Finished difference Result 2718 states and 4358 transitions. [2022-10-15 17:52:07,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:52:07,684 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2022-10-15 17:52:07,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:52:07,701 INFO L225 Difference]: With dead ends: 2718 [2022-10-15 17:52:07,701 INFO L226 Difference]: Without dead ends: 2718 [2022-10-15 17:52:07,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2022-10-15 17:52:07,703 INFO L413 NwaCegarLoop]: 1215 mSDtfsCounter, 1678 mSDsluCounter, 1885 mSDsCounter, 0 mSdLazyCounter, 3871 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1696 SdHoareTripleChecker+Valid, 3100 SdHoareTripleChecker+Invalid, 3949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 3871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-10-15 17:52:07,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1696 Valid, 3100 Invalid, 3949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 3871 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-10-15 17:52:07,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2718 states. [2022-10-15 17:52:07,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2718 to 1779. [2022-10-15 17:52:07,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1779 states, 1638 states have (on average 1.5671550671550671) internal successors, (2567), 1644 states have internal predecessors, (2567), 105 states have call successors, (105), 30 states have call predecessors, (105), 34 states have return successors, (118), 108 states have call predecessors, (118), 105 states have call successors, (118) [2022-10-15 17:52:07,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2790 transitions. [2022-10-15 17:52:07,792 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2790 transitions. Word has length 187 [2022-10-15 17:52:07,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:52:07,793 INFO L495 AbstractCegarLoop]: Abstraction has 1779 states and 2790 transitions. [2022-10-15 17:52:07,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:52:07,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2790 transitions. [2022-10-15 17:52:07,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-15 17:52:07,799 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:52:07,799 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] [2022-10-15 17:52:07,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 17:52:07,800 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:52:07,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:52:07,800 INFO L85 PathProgramCache]: Analyzing trace with hash -2063976173, now seen corresponding path program 1 times [2022-10-15 17:52:07,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:52:07,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904226740] [2022-10-15 17:52:07,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:52:07,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:52:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:07,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:52:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:08,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 17:52:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:08,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 17:52:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:08,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-15 17:52:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:08,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-15 17:52:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:08,203 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 17:52:08,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:52:08,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904226740] [2022-10-15 17:52:08,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904226740] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:52:08,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:52:08,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 17:52:08,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407412175] [2022-10-15 17:52:08,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:52:08,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:52:08,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:52:08,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:52:08,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:52:08,207 INFO L87 Difference]: Start difference. First operand 1779 states and 2790 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:52:13,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:52:13,517 INFO L93 Difference]: Finished difference Result 4580 states and 7312 transitions. [2022-10-15 17:52:13,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:52:13,524 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2022-10-15 17:52:13,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:52:13,554 INFO L225 Difference]: With dead ends: 4580 [2022-10-15 17:52:13,555 INFO L226 Difference]: Without dead ends: 4580 [2022-10-15 17:52:13,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2022-10-15 17:52:13,556 INFO L413 NwaCegarLoop]: 965 mSDtfsCounter, 1789 mSDsluCounter, 1249 mSDsCounter, 0 mSdLazyCounter, 3518 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1807 SdHoareTripleChecker+Valid, 2214 SdHoareTripleChecker+Invalid, 3634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 3518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-10-15 17:52:13,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1807 Valid, 2214 Invalid, 3634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 3518 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-10-15 17:52:13,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4580 states. [2022-10-15 17:52:13,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4580 to 3158. [2022-10-15 17:52:13,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3158 states, 2909 states have (on average 1.5623925747679615) internal successors, (4545), 2919 states have internal predecessors, (4545), 185 states have call successors, (185), 54 states have call predecessors, (185), 62 states have return successors, (220), 192 states have call predecessors, (220), 185 states have call successors, (220) [2022-10-15 17:52:13,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3158 states to 3158 states and 4950 transitions. [2022-10-15 17:52:13,701 INFO L78 Accepts]: Start accepts. Automaton has 3158 states and 4950 transitions. Word has length 187 [2022-10-15 17:52:13,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:52:13,702 INFO L495 AbstractCegarLoop]: Abstraction has 3158 states and 4950 transitions. [2022-10-15 17:52:13,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:52:13,702 INFO L276 IsEmpty]: Start isEmpty. Operand 3158 states and 4950 transitions. [2022-10-15 17:52:13,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-15 17:52:13,710 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:52:13,710 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] [2022-10-15 17:52:13,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 17:52:13,711 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:52:13,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:52:13,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1493704367, now seen corresponding path program 1 times [2022-10-15 17:52:13,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:52:13,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247347211] [2022-10-15 17:52:13,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:52:13,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:52:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:13,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:52:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:13,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 17:52:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:14,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 17:52:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:14,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-15 17:52:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:14,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-15 17:52:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:14,097 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 17:52:14,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:52:14,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247347211] [2022-10-15 17:52:14,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247347211] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:52:14,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:52:14,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 17:52:14,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867504298] [2022-10-15 17:52:14,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:52:14,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:52:14,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:52:14,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:52:14,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:52:14,101 INFO L87 Difference]: Start difference. First operand 3158 states and 4950 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:52:19,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:52:19,684 INFO L93 Difference]: Finished difference Result 8295 states and 13216 transitions. [2022-10-15 17:52:19,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:52:19,685 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2022-10-15 17:52:19,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:52:19,737 INFO L225 Difference]: With dead ends: 8295 [2022-10-15 17:52:19,737 INFO L226 Difference]: Without dead ends: 8295 [2022-10-15 17:52:19,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2022-10-15 17:52:19,740 INFO L413 NwaCegarLoop]: 1201 mSDtfsCounter, 1672 mSDsluCounter, 1885 mSDsCounter, 0 mSdLazyCounter, 3843 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1690 SdHoareTripleChecker+Valid, 3086 SdHoareTripleChecker+Invalid, 3925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 3843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-10-15 17:52:19,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1690 Valid, 3086 Invalid, 3925 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [82 Valid, 3843 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-10-15 17:52:19,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8295 states. [2022-10-15 17:52:19,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8295 to 5930. [2022-10-15 17:52:19,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5930 states, 5465 states have (on average 1.5599268069533394) internal successors, (8525), 5483 states have internal predecessors, (8525), 345 states have call successors, (345), 102 states have call predecessors, (345), 118 states have return successors, (442), 360 states have call predecessors, (442), 345 states have call successors, (442) [2022-10-15 17:52:20,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5930 states to 5930 states and 9312 transitions. [2022-10-15 17:52:20,001 INFO L78 Accepts]: Start accepts. Automaton has 5930 states and 9312 transitions. Word has length 187 [2022-10-15 17:52:20,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:52:20,002 INFO L495 AbstractCegarLoop]: Abstraction has 5930 states and 9312 transitions. [2022-10-15 17:52:20,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:52:20,003 INFO L276 IsEmpty]: Start isEmpty. Operand 5930 states and 9312 transitions. [2022-10-15 17:52:20,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-15 17:52:20,019 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:52:20,020 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] [2022-10-15 17:52:20,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 17:52:20,021 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:52:20,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:52:20,022 INFO L85 PathProgramCache]: Analyzing trace with hash 2015265039, now seen corresponding path program 1 times [2022-10-15 17:52:20,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:52:20,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945525009] [2022-10-15 17:52:20,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:52:20,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:52:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:20,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:52:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:20,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 17:52:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:20,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 17:52:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:20,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-15 17:52:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:20,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-15 17:52:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:20,472 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 17:52:20,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:52:20,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945525009] [2022-10-15 17:52:20,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945525009] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:52:20,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:52:20,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 17:52:20,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538767613] [2022-10-15 17:52:20,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:52:20,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:52:20,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:52:20,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:52:20,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:52:20,479 INFO L87 Difference]: Start difference. First operand 5930 states and 9312 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:52:25,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:52:25,825 INFO L93 Difference]: Finished difference Result 15729 states and 25078 transitions. [2022-10-15 17:52:25,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:52:25,831 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2022-10-15 17:52:25,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:52:25,918 INFO L225 Difference]: With dead ends: 15729 [2022-10-15 17:52:25,918 INFO L226 Difference]: Without dead ends: 15729 [2022-10-15 17:52:25,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2022-10-15 17:52:25,919 INFO L413 NwaCegarLoop]: 1196 mSDtfsCounter, 1671 mSDsluCounter, 1885 mSDsCounter, 0 mSdLazyCounter, 3835 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1689 SdHoareTripleChecker+Valid, 3081 SdHoareTripleChecker+Invalid, 3917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 3835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-10-15 17:52:25,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1689 Valid, 3081 Invalid, 3917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 3835 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-10-15 17:52:25,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15729 states. [2022-10-15 17:52:26,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15729 to 11487. [2022-10-15 17:52:26,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11487 states, 10590 states have (on average 1.558356940509915) internal successors, (16503), 10624 states have internal predecessors, (16503), 665 states have call successors, (665), 198 states have call predecessors, (665), 230 states have return successors, (940), 696 states have call predecessors, (940), 665 states have call successors, (940) [2022-10-15 17:52:26,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11487 states to 11487 states and 18108 transitions. [2022-10-15 17:52:26,364 INFO L78 Accepts]: Start accepts. Automaton has 11487 states and 18108 transitions. Word has length 187 [2022-10-15 17:52:26,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:52:26,365 INFO L495 AbstractCegarLoop]: Abstraction has 11487 states and 18108 transitions. [2022-10-15 17:52:26,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:52:26,366 INFO L276 IsEmpty]: Start isEmpty. Operand 11487 states and 18108 transitions. [2022-10-15 17:52:26,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-15 17:52:26,390 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:52:26,391 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] [2022-10-15 17:52:26,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 17:52:26,391 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:52:26,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:52:26,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1612320367, now seen corresponding path program 1 times [2022-10-15 17:52:26,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:52:26,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712953820] [2022-10-15 17:52:26,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:52:26,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:52:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:26,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:52:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:26,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 17:52:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:26,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 17:52:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:26,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-15 17:52:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:26,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-15 17:52:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:26,740 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 17:52:26,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:52:26,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712953820] [2022-10-15 17:52:26,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712953820] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:52:26,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:52:26,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 17:52:26,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069478339] [2022-10-15 17:52:26,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:52:26,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:52:26,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:52:26,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:52:26,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:52:26,743 INFO L87 Difference]: Start difference. First operand 11487 states and 18108 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:52:28,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:52:28,726 INFO L93 Difference]: Finished difference Result 15785 states and 25428 transitions. [2022-10-15 17:52:28,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 17:52:28,726 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2022-10-15 17:52:28,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:52:28,801 INFO L225 Difference]: With dead ends: 15785 [2022-10-15 17:52:28,801 INFO L226 Difference]: Without dead ends: 15785 [2022-10-15 17:52:28,802 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 17:52:28,803 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 1274 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-15 17:52:28,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1293 Valid, 1362 Invalid, 1389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-15 17:52:28,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15785 states. [2022-10-15 17:52:29,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15785 to 11487. [2022-10-15 17:52:29,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11487 states, 10590 states have (on average 1.5552407932011332) internal successors, (16470), 10624 states have internal predecessors, (16470), 665 states have call successors, (665), 198 states have call predecessors, (665), 230 states have return successors, (940), 696 states have call predecessors, (940), 665 states have call successors, (940) [2022-10-15 17:52:29,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11487 states to 11487 states and 18075 transitions. [2022-10-15 17:52:29,203 INFO L78 Accepts]: Start accepts. Automaton has 11487 states and 18075 transitions. Word has length 187 [2022-10-15 17:52:29,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:52:29,203 INFO L495 AbstractCegarLoop]: Abstraction has 11487 states and 18075 transitions. [2022-10-15 17:52:29,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:52:29,205 INFO L276 IsEmpty]: Start isEmpty. Operand 11487 states and 18075 transitions. [2022-10-15 17:52:29,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-15 17:52:29,231 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:52:29,231 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] [2022-10-15 17:52:29,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 17:52:29,232 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:52:29,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:52:29,233 INFO L85 PathProgramCache]: Analyzing trace with hash 487418063, now seen corresponding path program 1 times [2022-10-15 17:52:29,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:52:29,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625720763] [2022-10-15 17:52:29,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:52:29,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:52:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:29,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:52:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:29,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 17:52:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:29,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 17:52:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:29,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-15 17:52:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:29,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-15 17:52:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:52:29,647 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 17:52:29,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:52:29,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625720763] [2022-10-15 17:52:29,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625720763] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:52:29,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:52:29,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 17:52:29,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045501299] [2022-10-15 17:52:29,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:52:29,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:52:29,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:52:29,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:52:29,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:52:29,651 INFO L87 Difference]: Start difference. First operand 11487 states and 18075 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:52:35,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:52:35,264 INFO L93 Difference]: Finished difference Result 30549 states and 48721 transitions. [2022-10-15 17:52:35,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:52:35,265 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2022-10-15 17:52:35,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:52:35,379 INFO L225 Difference]: With dead ends: 30549 [2022-10-15 17:52:35,380 INFO L226 Difference]: Without dead ends: 30549 [2022-10-15 17:52:35,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2022-10-15 17:52:35,381 INFO L413 NwaCegarLoop]: 1185 mSDtfsCounter, 1663 mSDsluCounter, 1885 mSDsCounter, 0 mSdLazyCounter, 3808 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1681 SdHoareTripleChecker+Valid, 3070 SdHoareTripleChecker+Invalid, 3890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 3808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-10-15 17:52:35,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1681 Valid, 3070 Invalid, 3890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 3808 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-10-15 17:52:35,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30549 states.