/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/token_ring.03.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 04:21:49,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 04:21:49,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 04:21:49,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 04:21:49,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 04:21:49,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 04:21:49,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 04:21:49,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 04:21:49,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 04:21:49,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 04:21:49,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 04:21:49,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 04:21:49,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 04:21:49,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 04:21:49,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 04:21:49,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 04:21:49,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 04:21:49,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 04:21:49,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 04:21:49,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 04:21:49,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 04:21:49,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 04:21:49,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 04:21:49,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 04:21:49,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 04:21:49,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 04:21:49,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 04:21:49,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 04:21:49,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 04:21:49,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 04:21:49,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 04:21:49,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 04:21:49,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 04:21:49,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 04:21:49,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 04:21:49,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 04:21:49,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 04:21:49,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 04:21:49,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 04:21:49,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 04:21:49,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 04:21:49,103 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 [2022-10-16 04:21:49,146 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 04:21:49,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 04:21:49,147 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 04:21:49,147 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 04:21:49,148 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 04:21:49,148 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 04:21:49,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 04:21:49,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 04:21:49,153 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 04:21:49,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 04:21:49,155 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 04:21:49,155 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 04:21:49,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 04:21:49,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 04:21:49,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 04:21:49,156 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 04:21:49,156 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 04:21:49,157 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 04:21:49,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 04:21:49,157 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 04:21:49,157 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 04:21:49,157 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 04:21:49,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 04:21:49,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 04:21:49,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 04:21:49,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:21:49,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 04:21:49,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 04:21:49,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 04:21:49,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 04:21:49,159 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 04:21:49,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 04:21:49,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 04:21:49,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 04:21:49,583 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 04:21:49,584 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 04:21:49,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/token_ring.03.cil-2.c [2022-10-16 04:21:49,668 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaaf0e7ff/f6ecae787e1742738d541d5a512555ed/FLAG31eac7c60 [2022-10-16 04:21:50,366 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 04:21:50,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.03.cil-2.c [2022-10-16 04:21:50,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaaf0e7ff/f6ecae787e1742738d541d5a512555ed/FLAG31eac7c60 [2022-10-16 04:21:50,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaaf0e7ff/f6ecae787e1742738d541d5a512555ed [2022-10-16 04:21:50,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 04:21:50,710 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 04:21:50,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 04:21:50,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 04:21:50,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 04:21:50,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:21:50" (1/1) ... [2022-10-16 04:21:50,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443706aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:50, skipping insertion in model container [2022-10-16 04:21:50,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:21:50" (1/1) ... [2022-10-16 04:21:50,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 04:21:50,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 04:21:50,938 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/token_ring.03.cil-2.c[671,684] [2022-10-16 04:21:51,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:21:51,100 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 04:21:51,116 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/token_ring.03.cil-2.c[671,684] [2022-10-16 04:21:51,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:21:51,172 INFO L208 MainTranslator]: Completed translation [2022-10-16 04:21:51,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:51 WrapperNode [2022-10-16 04:21:51,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 04:21:51,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 04:21:51,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 04:21:51,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 04:21:51,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:51" (1/1) ... [2022-10-16 04:21:51,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:51" (1/1) ... [2022-10-16 04:21:51,238 INFO L138 Inliner]: procedures = 34, calls = 40, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 331 [2022-10-16 04:21:51,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 04:21:51,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 04:21:51,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 04:21:51,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 04:21:51,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:51" (1/1) ... [2022-10-16 04:21:51,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:51" (1/1) ... [2022-10-16 04:21:51,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:51" (1/1) ... [2022-10-16 04:21:51,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:51" (1/1) ... [2022-10-16 04:21:51,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:51" (1/1) ... [2022-10-16 04:21:51,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:51" (1/1) ... [2022-10-16 04:21:51,277 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:51" (1/1) ... [2022-10-16 04:21:51,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:51" (1/1) ... [2022-10-16 04:21:51,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 04:21:51,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 04:21:51,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 04:21:51,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 04:21:51,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:51" (1/1) ... [2022-10-16 04:21:51,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:21:51,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:21:51,330 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) [2022-10-16 04:21:51,351 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 [2022-10-16 04:21:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 04:21:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-10-16 04:21:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-10-16 04:21:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-10-16 04:21:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-10-16 04:21:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-16 04:21:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-16 04:21:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-16 04:21:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-16 04:21:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-10-16 04:21:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-10-16 04:21:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 04:21:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-10-16 04:21:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-10-16 04:21:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 04:21:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 04:21:51,503 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 04:21:51,506 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 04:21:52,085 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 04:21:52,107 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 04:21:52,107 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-16 04:21:52,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:21:52 BoogieIcfgContainer [2022-10-16 04:21:52,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 04:21:52,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 04:21:52,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 04:21:52,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 04:21:52,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:21:50" (1/3) ... [2022-10-16 04:21:52,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cbceb2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:21:52, skipping insertion in model container [2022-10-16 04:21:52,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:21:51" (2/3) ... [2022-10-16 04:21:52,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cbceb2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:21:52, skipping insertion in model container [2022-10-16 04:21:52,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:21:52" (3/3) ... [2022-10-16 04:21:52,138 INFO L112 eAbstractionObserver]: Analyzing ICFG token_ring.03.cil-2.c [2022-10-16 04:21:52,166 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 04:21:52,166 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-16 04:21:52,267 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 04:21:52,280 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;@6f9e9dd6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 04:21:52,281 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-16 04:21:52,292 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 132 states have (on average 1.5984848484848484) internal successors, (211), 135 states have internal predecessors, (211), 17 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2022-10-16 04:21:52,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 04:21:52,326 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:52,327 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] [2022-10-16 04:21:52,328 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:52,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:52,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1893247432, now seen corresponding path program 1 times [2022-10-16 04:21:52,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:52,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360694459] [2022-10-16 04:21:52,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:52,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:52,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:21:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:52,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:21:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:52,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:21:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:52,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:21:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:52,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:21:52,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:52,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360694459] [2022-10-16 04:21:52,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360694459] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:21:52,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:21:52,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 04:21:52,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330770821] [2022-10-16 04:21:52,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:21:52,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:21:52,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:52,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:21:52,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:21:52,990 INFO L87 Difference]: Start difference. First operand has 158 states, 132 states have (on average 1.5984848484848484) internal successors, (211), 135 states have internal predecessors, (211), 17 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 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) [2022-10-16 04:21:53,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:53,825 INFO L93 Difference]: Finished difference Result 200 states and 304 transitions. [2022-10-16 04:21:53,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 04:21:53,829 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 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 64 [2022-10-16 04:21:53,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:53,844 INFO L225 Difference]: With dead ends: 200 [2022-10-16 04:21:53,845 INFO L226 Difference]: Without dead ends: 198 [2022-10-16 04:21:53,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:21:53,852 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 358 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:53,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 412 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 04:21:53,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2022-10-16 04:21:53,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 155. [2022-10-16 04:21:53,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 130 states have (on average 1.4923076923076923) internal successors, (194), 132 states have internal predecessors, (194), 17 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2022-10-16 04:21:53,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 228 transitions. [2022-10-16 04:21:53,926 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 228 transitions. Word has length 64 [2022-10-16 04:21:53,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:53,947 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 228 transitions. [2022-10-16 04:21:53,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 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) [2022-10-16 04:21:53,948 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 228 transitions. [2022-10-16 04:21:53,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 04:21:53,952 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:53,953 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] [2022-10-16 04:21:53,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 04:21:53,954 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:53,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:53,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1673921593, now seen corresponding path program 1 times [2022-10-16 04:21:53,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:53,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114050424] [2022-10-16 04:21:53,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:53,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:54,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:21:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:54,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:21:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:54,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:21:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:54,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:21:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:54,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:21:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:54,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:21:54,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:54,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114050424] [2022-10-16 04:21:54,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114050424] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:21:54,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:21:54,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 04:21:54,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127345254] [2022-10-16 04:21:54,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:21:54,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 04:21:54,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:54,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 04:21:54,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 04:21:54,436 INFO L87 Difference]: Start difference. First operand 155 states and 228 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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) [2022-10-16 04:21:55,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:55,391 INFO L93 Difference]: Finished difference Result 385 states and 583 transitions. [2022-10-16 04:21:55,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 04:21:55,392 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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 78 [2022-10-16 04:21:55,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:55,397 INFO L225 Difference]: With dead ends: 385 [2022-10-16 04:21:55,398 INFO L226 Difference]: Without dead ends: 385 [2022-10-16 04:21:55,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-10-16 04:21:55,400 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 524 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:55,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 660 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 04:21:55,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2022-10-16 04:21:55,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 297. [2022-10-16 04:21:55,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 253 states have (on average 1.5098814229249011) internal successors, (382), 256 states have internal predecessors, (382), 29 states have call successors, (29), 12 states have call predecessors, (29), 13 states have return successors, (32), 29 states have call predecessors, (32), 29 states have call successors, (32) [2022-10-16 04:21:55,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 443 transitions. [2022-10-16 04:21:55,453 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 443 transitions. Word has length 78 [2022-10-16 04:21:55,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:55,455 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 443 transitions. [2022-10-16 04:21:55,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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) [2022-10-16 04:21:55,456 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 443 transitions. [2022-10-16 04:21:55,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 04:21:55,458 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:55,458 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] [2022-10-16 04:21:55,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 04:21:55,462 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:55,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:55,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1436873397, now seen corresponding path program 1 times [2022-10-16 04:21:55,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:55,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621708460] [2022-10-16 04:21:55,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:55,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:55,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:21:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:55,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:21:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:55,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:21:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:55,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:21:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:55,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:21:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:55,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:21:55,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:55,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621708460] [2022-10-16 04:21:55,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621708460] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:21:55,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:21:55,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:21:55,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940890797] [2022-10-16 04:21:55,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:21:55,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:21:55,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:55,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:21:55,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:21:55,778 INFO L87 Difference]: Start difference. First operand 297 states and 443 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 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) [2022-10-16 04:21:56,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:56,999 INFO L93 Difference]: Finished difference Result 573 states and 870 transitions. [2022-10-16 04:21:56,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 04:21:57,000 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 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 78 [2022-10-16 04:21:57,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:57,005 INFO L225 Difference]: With dead ends: 573 [2022-10-16 04:21:57,005 INFO L226 Difference]: Without dead ends: 573 [2022-10-16 04:21:57,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 04:21:57,007 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 521 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:57,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 1108 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1087 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 04:21:57,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2022-10-16 04:21:57,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 431. [2022-10-16 04:21:57,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 368 states have (on average 1.5054347826086956) internal successors, (554), 372 states have internal predecessors, (554), 41 states have call successors, (41), 18 states have call predecessors, (41), 20 states have return successors, (46), 42 states have call predecessors, (46), 41 states have call successors, (46) [2022-10-16 04:21:57,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 641 transitions. [2022-10-16 04:21:57,040 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 641 transitions. Word has length 78 [2022-10-16 04:21:57,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:57,041 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 641 transitions. [2022-10-16 04:21:57,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 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) [2022-10-16 04:21:57,041 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 641 transitions. [2022-10-16 04:21:57,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 04:21:57,044 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:57,044 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] [2022-10-16 04:21:57,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 04:21:57,045 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:57,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:57,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1854270003, now seen corresponding path program 1 times [2022-10-16 04:21:57,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:57,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507722341] [2022-10-16 04:21:57,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:57,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:57,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:21:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:57,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:21:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:57,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:21:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:57,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:21:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:21:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:57,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:21:57,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:57,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507722341] [2022-10-16 04:21:57,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507722341] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:21:57,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:21:57,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:21:57,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712299640] [2022-10-16 04:21:57,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:21:57,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:21:57,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:57,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:21:57,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:21:57,298 INFO L87 Difference]: Start difference. First operand 431 states and 641 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 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) [2022-10-16 04:21:58,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:58,451 INFO L93 Difference]: Finished difference Result 922 states and 1397 transitions. [2022-10-16 04:21:58,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 04:21:58,452 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 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 78 [2022-10-16 04:21:58,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:58,462 INFO L225 Difference]: With dead ends: 922 [2022-10-16 04:21:58,462 INFO L226 Difference]: Without dead ends: 922 [2022-10-16 04:21:58,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 04:21:58,475 INFO L413 NwaCegarLoop]: 354 mSDtfsCounter, 517 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 1101 SdHoareTripleChecker+Invalid, 1133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:58,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 1101 Invalid, 1133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1067 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 04:21:58,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2022-10-16 04:21:58,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 702. [2022-10-16 04:21:58,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 601 states have (on average 1.502495840266223) internal successors, (903), 607 states have internal predecessors, (903), 65 states have call successors, (65), 30 states have call predecessors, (65), 34 states have return successors, (78), 68 states have call predecessors, (78), 65 states have call successors, (78) [2022-10-16 04:21:58,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1046 transitions. [2022-10-16 04:21:58,547 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1046 transitions. Word has length 78 [2022-10-16 04:21:58,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:58,548 INFO L495 AbstractCegarLoop]: Abstraction has 702 states and 1046 transitions. [2022-10-16 04:21:58,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 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) [2022-10-16 04:21:58,548 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1046 transitions. [2022-10-16 04:21:58,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 04:21:58,559 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:58,560 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] [2022-10-16 04:21:58,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 04:21:58,564 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:58,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:58,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1174997749, now seen corresponding path program 1 times [2022-10-16 04:21:58,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:58,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300931302] [2022-10-16 04:21:58,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:58,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:58,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:21:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:58,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:21:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:58,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:21:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:58,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:21:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:58,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:21:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:58,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:21:58,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:58,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300931302] [2022-10-16 04:21:58,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300931302] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:21:58,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:21:58,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:21:58,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913528546] [2022-10-16 04:21:58,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:21:58,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:21:58,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:58,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:21:58,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:21:58,814 INFO L87 Difference]: Start difference. First operand 702 states and 1046 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 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) [2022-10-16 04:21:59,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:59,994 INFO L93 Difference]: Finished difference Result 1796 states and 2705 transitions. [2022-10-16 04:21:59,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:21:59,995 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 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 78 [2022-10-16 04:21:59,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:00,009 INFO L225 Difference]: With dead ends: 1796 [2022-10-16 04:22:00,009 INFO L226 Difference]: Without dead ends: 1796 [2022-10-16 04:22:00,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-10-16 04:22:00,013 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 651 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 1086 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:00,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [665 Valid, 1086 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1052 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 04:22:00,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1796 states. [2022-10-16 04:22:00,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1796 to 1235. [2022-10-16 04:22:00,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1235 states, 1062 states have (on average 1.5037664783427496) internal successors, (1597), 1072 states have internal predecessors, (1597), 109 states have call successors, (109), 54 states have call predecessors, (109), 62 states have return successors, (144), 116 states have call predecessors, (144), 109 states have call successors, (144) [2022-10-16 04:22:00,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1850 transitions. [2022-10-16 04:22:00,093 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1850 transitions. Word has length 78 [2022-10-16 04:22:00,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:00,096 INFO L495 AbstractCegarLoop]: Abstraction has 1235 states and 1850 transitions. [2022-10-16 04:22:00,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 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) [2022-10-16 04:22:00,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1850 transitions. [2022-10-16 04:22:00,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 04:22:00,104 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:00,105 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] [2022-10-16 04:22:00,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 04:22:00,106 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:00,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:00,106 INFO L85 PathProgramCache]: Analyzing trace with hash 786576909, now seen corresponding path program 1 times [2022-10-16 04:22:00,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:00,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938070515] [2022-10-16 04:22:00,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:00,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:00,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:00,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:22:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:00,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:22:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:00,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:22:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:00,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:22:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:00,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:22:00,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:00,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938070515] [2022-10-16 04:22:00,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938070515] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:00,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:22:00,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:22:00,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541810117] [2022-10-16 04:22:00,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:00,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:22:00,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:00,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:22:00,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:22:00,308 INFO L87 Difference]: Start difference. First operand 1235 states and 1850 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 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) [2022-10-16 04:22:01,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:01,493 INFO L93 Difference]: Finished difference Result 3218 states and 4847 transitions. [2022-10-16 04:22:01,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:22:01,494 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 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 78 [2022-10-16 04:22:01,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:01,524 INFO L225 Difference]: With dead ends: 3218 [2022-10-16 04:22:01,524 INFO L226 Difference]: Without dead ends: 3218 [2022-10-16 04:22:01,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-10-16 04:22:01,527 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 537 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 1255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:01,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 1121 Invalid, 1255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 04:22:01,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2022-10-16 04:22:01,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 2256. [2022-10-16 04:22:01,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2256 states, 1943 states have (on average 1.5043746783324756) internal successors, (2923), 1961 states have internal predecessors, (2923), 193 states have call successors, (193), 102 states have call predecessors, (193), 118 states have return successors, (290), 208 states have call predecessors, (290), 193 states have call successors, (290) [2022-10-16 04:22:01,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 2256 states and 3406 transitions. [2022-10-16 04:22:01,635 INFO L78 Accepts]: Start accepts. Automaton has 2256 states and 3406 transitions. Word has length 78 [2022-10-16 04:22:01,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:01,636 INFO L495 AbstractCegarLoop]: Abstraction has 2256 states and 3406 transitions. [2022-10-16 04:22:01,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 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) [2022-10-16 04:22:01,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 3406 transitions. [2022-10-16 04:22:01,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 04:22:01,643 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:01,643 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] [2022-10-16 04:22:01,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 04:22:01,644 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:01,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:01,645 INFO L85 PathProgramCache]: Analyzing trace with hash 988400843, now seen corresponding path program 1 times [2022-10-16 04:22:01,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:01,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913480236] [2022-10-16 04:22:01,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:01,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:01,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:01,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:22:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:01,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:22:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:01,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:22:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:01,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:22:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:01,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:22:01,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:01,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913480236] [2022-10-16 04:22:01,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913480236] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:01,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:22:01,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:22:01,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848505427] [2022-10-16 04:22:01,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:01,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:22:01,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:01,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:22:01,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:22:01,863 INFO L87 Difference]: Start difference. First operand 2256 states and 3406 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 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) [2022-10-16 04:22:02,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:02,941 INFO L93 Difference]: Finished difference Result 5840 states and 8821 transitions. [2022-10-16 04:22:02,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:22:02,942 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 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 78 [2022-10-16 04:22:02,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:02,991 INFO L225 Difference]: With dead ends: 5840 [2022-10-16 04:22:02,991 INFO L226 Difference]: Without dead ends: 5840 [2022-10-16 04:22:02,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-10-16 04:22:02,994 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 600 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:02,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 756 Invalid, 1020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 927 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 04:22:03,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5840 states. [2022-10-16 04:22:03,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5840 to 4329. [2022-10-16 04:22:03,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4329 states, 3744 states have (on average 1.5077457264957266) internal successors, (5645), 3778 states have internal predecessors, (5645), 353 states have call successors, (353), 198 states have call predecessors, (353), 230 states have return successors, (628), 384 states have call predecessors, (628), 353 states have call successors, (628) [2022-10-16 04:22:03,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4329 states to 4329 states and 6626 transitions. [2022-10-16 04:22:03,269 INFO L78 Accepts]: Start accepts. Automaton has 4329 states and 6626 transitions. Word has length 78 [2022-10-16 04:22:03,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:03,270 INFO L495 AbstractCegarLoop]: Abstraction has 4329 states and 6626 transitions. [2022-10-16 04:22:03,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 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) [2022-10-16 04:22:03,270 INFO L276 IsEmpty]: Start isEmpty. Operand 4329 states and 6626 transitions. [2022-10-16 04:22:03,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 04:22:03,276 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:03,276 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] [2022-10-16 04:22:03,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 04:22:03,277 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:03,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:03,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1549100621, now seen corresponding path program 1 times [2022-10-16 04:22:03,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:03,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679025562] [2022-10-16 04:22:03,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:03,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:03,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:03,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:22:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:03,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:22:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:03,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:22:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:03,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:22:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:03,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:22:03,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:03,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679025562] [2022-10-16 04:22:03,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679025562] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:03,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:22:03,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:22:03,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719488510] [2022-10-16 04:22:03,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:03,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:22:03,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:03,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:22:03,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:22:03,423 INFO L87 Difference]: Start difference. First operand 4329 states and 6626 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 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) [2022-10-16 04:22:04,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:04,586 INFO L93 Difference]: Finished difference Result 10826 states and 16547 transitions. [2022-10-16 04:22:04,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:22:04,587 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 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 78 [2022-10-16 04:22:04,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:04,678 INFO L225 Difference]: With dead ends: 10826 [2022-10-16 04:22:04,678 INFO L226 Difference]: Without dead ends: 10826 [2022-10-16 04:22:04,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-10-16 04:22:04,680 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 531 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 1050 SdHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:04,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 1050 Invalid, 1092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 04:22:04,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10826 states. [2022-10-16 04:22:04,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10826 to 8446. [2022-10-16 04:22:05,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8446 states, 7341 states have (on average 1.5119193570358263) internal successors, (11099), 7407 states have internal predecessors, (11099), 653 states have call successors, (653), 386 states have call predecessors, (653), 450 states have return successors, (1446), 716 states have call predecessors, (1446), 653 states have call successors, (1446) [2022-10-16 04:22:05,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8446 states to 8446 states and 13198 transitions. [2022-10-16 04:22:05,040 INFO L78 Accepts]: Start accepts. Automaton has 8446 states and 13198 transitions. Word has length 78 [2022-10-16 04:22:05,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:05,040 INFO L495 AbstractCegarLoop]: Abstraction has 8446 states and 13198 transitions. [2022-10-16 04:22:05,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 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) [2022-10-16 04:22:05,041 INFO L276 IsEmpty]: Start isEmpty. Operand 8446 states and 13198 transitions. [2022-10-16 04:22:05,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 04:22:05,053 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:05,053 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] [2022-10-16 04:22:05,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 04:22:05,054 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:05,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:05,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1982829707, now seen corresponding path program 1 times [2022-10-16 04:22:05,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:05,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993083864] [2022-10-16 04:22:05,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:05,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:05,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:05,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:22:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:05,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:22:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:05,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:22:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:05,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:22:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:22:05,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:05,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993083864] [2022-10-16 04:22:05,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993083864] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:05,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:22:05,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 04:22:05,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659913183] [2022-10-16 04:22:05,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:05,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 04:22:05,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:05,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 04:22:05,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 04:22:05,212 INFO L87 Difference]: Start difference. First operand 8446 states and 13198 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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) [2022-10-16 04:22:06,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:06,196 INFO L93 Difference]: Finished difference Result 15487 states and 23553 transitions. [2022-10-16 04:22:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 04:22:06,196 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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 78 [2022-10-16 04:22:06,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:06,295 INFO L225 Difference]: With dead ends: 15487 [2022-10-16 04:22:06,296 INFO L226 Difference]: Without dead ends: 15487 [2022-10-16 04:22:06,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:22:06,299 INFO L413 NwaCegarLoop]: 433 mSDtfsCounter, 680 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:06,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [708 Valid, 903 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 830 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 04:22:06,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15487 states. [2022-10-16 04:22:06,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15487 to 12665. [2022-10-16 04:22:06,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12665 states, 10981 states have (on average 1.4978599398961843) internal successors, (16448), 11112 states have internal predecessors, (16448), 1002 states have call successors, (1002), 584 states have call predecessors, (1002), 680 states have return successors, (2039), 1032 states have call predecessors, (2039), 1002 states have call successors, (2039) [2022-10-16 04:22:06,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12665 states to 12665 states and 19489 transitions. [2022-10-16 04:22:06,807 INFO L78 Accepts]: Start accepts. Automaton has 12665 states and 19489 transitions. Word has length 78 [2022-10-16 04:22:06,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:06,807 INFO L495 AbstractCegarLoop]: Abstraction has 12665 states and 19489 transitions. [2022-10-16 04:22:06,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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) [2022-10-16 04:22:06,808 INFO L276 IsEmpty]: Start isEmpty. Operand 12665 states and 19489 transitions. [2022-10-16 04:22:06,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 04:22:06,852 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:06,852 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:22:06,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 04:22:06,853 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:06,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:06,854 INFO L85 PathProgramCache]: Analyzing trace with hash -77378745, now seen corresponding path program 1 times [2022-10-16 04:22:06,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:06,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522598492] [2022-10-16 04:22:06,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:06,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:06,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:06,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:22:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:06,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:22:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:07,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:22:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:07,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:22:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:07,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:22:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:07,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:22:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:07,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 04:22:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:07,102 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 04:22:07,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:07,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522598492] [2022-10-16 04:22:07,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522598492] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:22:07,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105317569] [2022-10-16 04:22:07,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:07,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:22:07,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:22:07,106 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 04:22:07,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 04:22:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:07,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 04:22:07,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:22:07,416 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 04:22:07,416 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:22:07,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105317569] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:07,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:22:07,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-10-16 04:22:07,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780027157] [2022-10-16 04:22:07,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:07,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:22:07,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:07,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:22:07,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:22:07,421 INFO L87 Difference]: Start difference. First operand 12665 states and 19489 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 04:22:07,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:07,607 INFO L93 Difference]: Finished difference Result 24959 states and 38193 transitions. [2022-10-16 04:22:07,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:22:07,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 127 [2022-10-16 04:22:07,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:07,721 INFO L225 Difference]: With dead ends: 24959 [2022-10-16 04:22:07,721 INFO L226 Difference]: Without dead ends: 24959 [2022-10-16 04:22:07,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:22:07,722 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 181 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:07,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 476 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:22:07,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24959 states. [2022-10-16 04:22:08,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24959 to 24758. [2022-10-16 04:22:08,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24758 states, 21454 states have (on average 1.4958049780926634) internal successors, (32091), 21714 states have internal predecessors, (32091), 1946 states have call successors, (1946), 1164 states have call predecessors, (1946), 1356 states have return successors, (3957), 1943 states have call predecessors, (3957), 1946 states have call successors, (3957) [2022-10-16 04:22:08,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24758 states to 24758 states and 37994 transitions. [2022-10-16 04:22:08,653 INFO L78 Accepts]: Start accepts. Automaton has 24758 states and 37994 transitions. Word has length 127 [2022-10-16 04:22:08,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:08,653 INFO L495 AbstractCegarLoop]: Abstraction has 24758 states and 37994 transitions. [2022-10-16 04:22:08,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 04:22:08,655 INFO L276 IsEmpty]: Start isEmpty. Operand 24758 states and 37994 transitions. [2022-10-16 04:22:08,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 04:22:08,727 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:08,728 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:22:08,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 04:22:08,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-10-16 04:22:08,941 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:08,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:08,943 INFO L85 PathProgramCache]: Analyzing trace with hash 936623655, now seen corresponding path program 1 times [2022-10-16 04:22:08,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:08,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894017648] [2022-10-16 04:22:08,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:08,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:09,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:09,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:22:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:09,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:22:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:09,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:22:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:09,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:22:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:09,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:22:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:09,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:22:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:09,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 04:22:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:09,169 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 04:22:09,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:09,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894017648] [2022-10-16 04:22:09,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894017648] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:22:09,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316729781] [2022-10-16 04:22:09,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:09,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:22:09,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:22:09,175 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 04:22:09,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 04:22:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:09,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 04:22:09,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:22:09,411 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-16 04:22:09,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:22:09,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316729781] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:09,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:22:09,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-10-16 04:22:09,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809909306] [2022-10-16 04:22:09,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:09,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:22:09,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:09,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:22:09,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:22:09,415 INFO L87 Difference]: Start difference. First operand 24758 states and 37994 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 04:22:09,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:09,897 INFO L93 Difference]: Finished difference Result 48775 states and 74489 transitions. [2022-10-16 04:22:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:22:09,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 127 [2022-10-16 04:22:09,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:10,096 INFO L225 Difference]: With dead ends: 48775 [2022-10-16 04:22:10,096 INFO L226 Difference]: Without dead ends: 48775 [2022-10-16 04:22:10,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:22:10,098 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 175 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:10,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 438 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:22:10,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48775 states. [2022-10-16 04:22:11,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48775 to 48378. [2022-10-16 04:22:11,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48378 states, 41900 states have (on average 1.4936276849642005) internal successors, (62583), 42418 states have internal predecessors, (62583), 3776 states have call successors, (3776), 2316 states have call predecessors, (3776), 2700 states have return successors, (7735), 3707 states have call predecessors, (7735), 3776 states have call successors, (7735) [2022-10-16 04:22:12,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48378 states to 48378 states and 74094 transitions. [2022-10-16 04:22:12,153 INFO L78 Accepts]: Start accepts. Automaton has 48378 states and 74094 transitions. Word has length 127 [2022-10-16 04:22:12,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:12,154 INFO L495 AbstractCegarLoop]: Abstraction has 48378 states and 74094 transitions. [2022-10-16 04:22:12,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 04:22:12,154 INFO L276 IsEmpty]: Start isEmpty. Operand 48378 states and 74094 transitions. [2022-10-16 04:22:12,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 04:22:12,254 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:12,255 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:22:12,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 04:22:12,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-10-16 04:22:12,468 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:12,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:12,469 INFO L85 PathProgramCache]: Analyzing trace with hash -489957113, now seen corresponding path program 1 times [2022-10-16 04:22:12,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:12,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742950753] [2022-10-16 04:22:12,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:12,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:12,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:12,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:22:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:12,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:22:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:12,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:22:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:12,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:22:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:12,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:22:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:12,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:22:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:12,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 04:22:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:12,954 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 04:22:12,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:12,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742950753] [2022-10-16 04:22:12,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742950753] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:22:12,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674581485] [2022-10-16 04:22:12,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:12,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:22:12,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:22:12,958 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 04:22:12,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 04:22:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:13,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 04:22:13,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:22:13,148 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 04:22:13,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:22:13,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674581485] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:13,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:22:13,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-10-16 04:22:13,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868927059] [2022-10-16 04:22:13,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:13,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:22:13,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:13,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:22:13,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:22:13,150 INFO L87 Difference]: Start difference. First operand 48378 states and 74094 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 04:22:13,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:13,969 INFO L93 Difference]: Finished difference Result 94556 states and 145368 transitions. [2022-10-16 04:22:13,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:22:13,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 127 [2022-10-16 04:22:13,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:14,849 INFO L225 Difference]: With dead ends: 94556 [2022-10-16 04:22:14,850 INFO L226 Difference]: Without dead ends: 94556 [2022-10-16 04:22:14,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:22:14,851 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 196 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:14,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 651 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:22:14,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94556 states. [2022-10-16 04:22:17,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94556 to 94553. [2022-10-16 04:22:17,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94553 states, 82008 states have (on average 1.4868427470490684) internal successors, (121933), 82911 states have internal predecessors, (121933), 7215 states have call successors, (7215), 4560 states have call predecessors, (7215), 5328 states have return successors, (16218), 7209 states have call predecessors, (16218), 7215 states have call successors, (16218) [2022-10-16 04:22:18,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94553 states to 94553 states and 145366 transitions. [2022-10-16 04:22:18,514 INFO L78 Accepts]: Start accepts. Automaton has 94553 states and 145366 transitions. Word has length 127 [2022-10-16 04:22:18,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:18,520 INFO L495 AbstractCegarLoop]: Abstraction has 94553 states and 145366 transitions. [2022-10-16 04:22:18,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 04:22:18,533 INFO L276 IsEmpty]: Start isEmpty. Operand 94553 states and 145366 transitions. [2022-10-16 04:22:18,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-16 04:22:18,853 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:18,854 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:22:18,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 04:22:19,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:22:19,069 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:19,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:19,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1666315490, now seen corresponding path program 1 times [2022-10-16 04:22:19,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:19,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634985627] [2022-10-16 04:22:19,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:19,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:19,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:19,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:22:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:19,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:22:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:19,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:22:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:19,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:22:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:19,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 04:22:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:19,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:22:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:19,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-16 04:22:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:19,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 04:22:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:19,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-16 04:22:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:19,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 04:22:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:19,300 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-16 04:22:19,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:19,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634985627] [2022-10-16 04:22:19,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634985627] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:22:19,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82260014] [2022-10-16 04:22:19,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:19,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:22:19,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:22:19,303 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 04:22:19,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 04:22:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:19,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 04:22:19,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:22:19,510 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-10-16 04:22:19,510 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:22:19,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82260014] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:19,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:22:19,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-10-16 04:22:19,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19214315] [2022-10-16 04:22:19,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:19,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:22:19,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:19,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:22:19,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:22:19,513 INFO L87 Difference]: Start difference. First operand 94553 states and 145366 transitions. Second operand has 3 states, 2 states have (on average 39.5) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-10-16 04:22:20,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:20,390 INFO L93 Difference]: Finished difference Result 94552 states and 145365 transitions. [2022-10-16 04:22:20,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:22:20,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 39.5) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 148 [2022-10-16 04:22:20,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:20,890 INFO L225 Difference]: With dead ends: 94552 [2022-10-16 04:22:20,890 INFO L226 Difference]: Without dead ends: 94550 [2022-10-16 04:22:20,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:22:20,892 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 80 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:20,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 317 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:22:21,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94550 states. [2022-10-16 04:22:23,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94550 to 94550. [2022-10-16 04:22:23,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94550 states, 82006 states have (on average 1.4772943443162696) internal successors, (121147), 82908 states have internal predecessors, (121147), 7215 states have call successors, (7215), 4560 states have call predecessors, (7215), 5328 states have return successors, (16218), 7209 states have call predecessors, (16218), 7215 states have call successors, (16218) [2022-10-16 04:22:24,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94550 states to 94550 states and 144580 transitions. [2022-10-16 04:22:24,187 INFO L78 Accepts]: Start accepts. Automaton has 94550 states and 144580 transitions. Word has length 148 [2022-10-16 04:22:24,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:24,192 INFO L495 AbstractCegarLoop]: Abstraction has 94550 states and 144580 transitions. [2022-10-16 04:22:24,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 39.5) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-10-16 04:22:24,193 INFO L276 IsEmpty]: Start isEmpty. Operand 94550 states and 144580 transitions. [2022-10-16 04:22:24,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-10-16 04:22:24,632 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:24,632 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:22:24,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 04:22:24,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:22:24,846 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:24,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:24,847 INFO L85 PathProgramCache]: Analyzing trace with hash -867507115, now seen corresponding path program 1 times [2022-10-16 04:22:24,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:24,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076872796] [2022-10-16 04:22:24,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:24,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:24,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:24,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:22:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:25,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:22:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:25,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:22:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:25,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:22:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:25,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:22:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:25,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:22:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:25,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 04:22:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:25,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:22:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:25,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 04:22:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:25,139 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-16 04:22:25,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:25,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076872796] [2022-10-16 04:22:25,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076872796] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:22:25,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771808639] [2022-10-16 04:22:25,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:25,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:22:25,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:22:25,143 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 04:22:25,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 04:22:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:25,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 04:22:25,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:22:25,430 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 04:22:25,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:22:25,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771808639] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:25,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:22:25,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-10-16 04:22:25,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760679309] [2022-10-16 04:22:25,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:25,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:22:25,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:25,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:22:25,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:22:25,433 INFO L87 Difference]: Start difference. First operand 94550 states and 144580 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 04:22:27,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:27,126 INFO L93 Difference]: Finished difference Result 185874 states and 282733 transitions. [2022-10-16 04:22:27,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:22:27,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 165 [2022-10-16 04:22:27,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:28,197 INFO L225 Difference]: With dead ends: 185874 [2022-10-16 04:22:28,198 INFO L226 Difference]: Without dead ends: 185874 [2022-10-16 04:22:28,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:22:28,199 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 128 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:28,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 443 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:22:28,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185874 states. [2022-10-16 04:22:31,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185874 to 184304. [2022-10-16 04:22:31,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184304 states, 159916 states have (on average 1.474780509767628) internal successors, (235841), 161718 states have internal predecessors, (235841), 13877 states have call successors, (13877), 8974 states have call predecessors, (13877), 10510 states have return successors, (31446), 13739 states have call predecessors, (31446), 13877 states have call successors, (31446) [2022-10-16 04:22:33,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184304 states to 184304 states and 281164 transitions. [2022-10-16 04:22:33,706 INFO L78 Accepts]: Start accepts. Automaton has 184304 states and 281164 transitions. Word has length 165 [2022-10-16 04:22:33,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:33,706 INFO L495 AbstractCegarLoop]: Abstraction has 184304 states and 281164 transitions. [2022-10-16 04:22:33,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 04:22:33,707 INFO L276 IsEmpty]: Start isEmpty. Operand 184304 states and 281164 transitions. [2022-10-16 04:22:34,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-10-16 04:22:34,914 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:34,914 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:22:34,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-10-16 04:22:35,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-10-16 04:22:35,131 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:35,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:35,132 INFO L85 PathProgramCache]: Analyzing trace with hash 241919447, now seen corresponding path program 1 times [2022-10-16 04:22:35,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:35,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033075342] [2022-10-16 04:22:35,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:35,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:35,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:35,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:22:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:35,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:22:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:35,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:22:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:35,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:22:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:35,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 04:22:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:35,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 04:22:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:35,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:22:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:35,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-16 04:22:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:35,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:22:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:35,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-10-16 04:22:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:35,414 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-10-16 04:22:35,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:35,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033075342] [2022-10-16 04:22:35,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033075342] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:22:35,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278604857] [2022-10-16 04:22:35,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:35,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:22:35,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:22:35,416 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 04:22:35,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 04:22:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:35,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 04:22:35,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:22:35,668 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 04:22:35,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:22:35,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278604857] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:35,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:22:35,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-10-16 04:22:35,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319752182] [2022-10-16 04:22:35,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:35,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:22:35,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:35,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:22:35,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:22:35,671 INFO L87 Difference]: Start difference. First operand 184304 states and 281164 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-10-16 04:22:37,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:37,022 INFO L93 Difference]: Finished difference Result 154332 states and 223684 transitions. [2022-10-16 04:22:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:22:37,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 183 [2022-10-16 04:22:37,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:37,730 INFO L225 Difference]: With dead ends: 154332 [2022-10-16 04:22:37,730 INFO L226 Difference]: Without dead ends: 154332 [2022-10-16 04:22:37,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:22:37,731 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 149 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:37,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 263 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:22:37,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154332 states. [2022-10-16 04:22:40,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154332 to 108572. [2022-10-16 04:22:40,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108572 states, 94616 states have (on average 1.4205314111778136) internal successors, (134405), 95526 states have internal predecessors, (134405), 7785 states have call successors, (7785), 5402 states have call predecessors, (7785), 6170 states have return successors, (14258), 7707 states have call predecessors, (14258), 7785 states have call successors, (14258) [2022-10-16 04:22:41,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108572 states to 108572 states and 156448 transitions. [2022-10-16 04:22:41,409 INFO L78 Accepts]: Start accepts. Automaton has 108572 states and 156448 transitions. Word has length 183 [2022-10-16 04:22:41,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:41,410 INFO L495 AbstractCegarLoop]: Abstraction has 108572 states and 156448 transitions. [2022-10-16 04:22:41,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-10-16 04:22:41,410 INFO L276 IsEmpty]: Start isEmpty. Operand 108572 states and 156448 transitions. [2022-10-16 04:22:41,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-10-16 04:22:41,626 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:41,626 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:22:41,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 04:22:41,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 04:22:41,827 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:41,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:41,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1089982516, now seen corresponding path program 1 times [2022-10-16 04:22:41,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:41,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172531039] [2022-10-16 04:22:41,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:41,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:41,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:41,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:22:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:41,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:22:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:41,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:22:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:41,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:22:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:42,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 04:22:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:42,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 04:22:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:42,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:22:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:42,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-16 04:22:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:42,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:22:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:42,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-10-16 04:22:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:42,040 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-10-16 04:22:42,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:42,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172531039] [2022-10-16 04:22:42,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172531039] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:22:42,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279112048] [2022-10-16 04:22:42,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:42,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:22:42,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:22:42,042 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 04:22:42,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 04:22:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:42,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 04:22:42,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:22:42,231 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-10-16 04:22:42,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:22:42,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279112048] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:42,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:22:42,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-10-16 04:22:42,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114742028] [2022-10-16 04:22:42,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:42,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:22:42,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:42,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:22:42,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:22:42,234 INFO L87 Difference]: Start difference. First operand 108572 states and 156448 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 04:22:43,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:43,215 INFO L93 Difference]: Finished difference Result 116014 states and 164072 transitions. [2022-10-16 04:22:43,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:22:43,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 183 [2022-10-16 04:22:43,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:43,584 INFO L225 Difference]: With dead ends: 116014 [2022-10-16 04:22:43,584 INFO L226 Difference]: Without dead ends: 116014 [2022-10-16 04:22:43,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:22:43,587 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 161 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:43,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 448 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:22:43,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116014 states. [2022-10-16 04:22:45,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116014 to 115574. [2022-10-16 04:22:45,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115574 states, 101078 states have (on average 1.3941609450127623) internal successors, (140919), 101988 states have internal predecessors, (140919), 7915 states have call successors, (7915), 5812 states have call predecessors, (7915), 6580 states have return successors, (14798), 7837 states have call predecessors, (14798), 7915 states have call successors, (14798) [2022-10-16 04:22:46,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115574 states to 115574 states and 163632 transitions. [2022-10-16 04:22:46,184 INFO L78 Accepts]: Start accepts. Automaton has 115574 states and 163632 transitions. Word has length 183 [2022-10-16 04:22:46,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:46,185 INFO L495 AbstractCegarLoop]: Abstraction has 115574 states and 163632 transitions. [2022-10-16 04:22:46,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 04:22:46,185 INFO L276 IsEmpty]: Start isEmpty. Operand 115574 states and 163632 transitions. [2022-10-16 04:22:46,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-10-16 04:22:46,367 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:46,368 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:22:46,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-10-16 04:22:46,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:22:46,569 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:46,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:46,570 INFO L85 PathProgramCache]: Analyzing trace with hash -468679459, now seen corresponding path program 1 times [2022-10-16 04:22:46,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:46,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654047113] [2022-10-16 04:22:46,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:46,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:46,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:46,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:22:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:46,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:22:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:46,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:22:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:46,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:22:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:46,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:22:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:46,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:22:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:46,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 04:22:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:46,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-16 04:22:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:46,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:22:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:46,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 04:22:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:46,814 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-10-16 04:22:46,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:46,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654047113] [2022-10-16 04:22:46,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654047113] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:22:46,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698309148] [2022-10-16 04:22:46,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:46,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:22:46,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:22:46,818 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 04:22:46,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 04:22:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:46,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 04:22:46,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:22:46,975 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-10-16 04:22:46,975 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:22:46,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698309148] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:46,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:22:46,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-10-16 04:22:46,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352705686] [2022-10-16 04:22:46,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:46,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:22:46,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:46,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:22:46,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:22:46,979 INFO L87 Difference]: Start difference. First operand 115574 states and 163632 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2022-10-16 04:22:48,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:48,719 INFO L93 Difference]: Finished difference Result 226460 states and 322945 transitions. [2022-10-16 04:22:48,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:22:48,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 184 [2022-10-16 04:22:48,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:50,102 INFO L225 Difference]: With dead ends: 226460 [2022-10-16 04:22:50,102 INFO L226 Difference]: Without dead ends: 226460 [2022-10-16 04:22:50,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:22:50,103 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 190 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:50,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 636 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:22:50,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226460 states. [2022-10-16 04:22:54,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226460 to 226350. [2022-10-16 04:22:54,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226350 states, 197888 states have (on average 1.3861527732858991) internal successors, (274303), 199708 states have internal predecessors, (274303), 15457 states have call successors, (15457), 11468 states have call predecessors, (15457), 13004 states have return successors, (33076), 15301 states have call predecessors, (33076), 15457 states have call successors, (33076) [2022-10-16 04:22:55,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226350 states to 226350 states and 322836 transitions. [2022-10-16 04:22:55,975 INFO L78 Accepts]: Start accepts. Automaton has 226350 states and 322836 transitions. Word has length 184 [2022-10-16 04:22:55,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:55,976 INFO L495 AbstractCegarLoop]: Abstraction has 226350 states and 322836 transitions. [2022-10-16 04:22:55,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2022-10-16 04:22:55,977 INFO L276 IsEmpty]: Start isEmpty. Operand 226350 states and 322836 transitions. [2022-10-16 04:22:56,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-10-16 04:22:56,441 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:56,441 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:22:56,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 04:22:56,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-10-16 04:22:56,649 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:56,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:56,650 INFO L85 PathProgramCache]: Analyzing trace with hash -921042209, now seen corresponding path program 1 times [2022-10-16 04:22:56,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:56,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113106944] [2022-10-16 04:22:56,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:56,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:56,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:56,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:22:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:56,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:22:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:56,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:22:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:56,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:22:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:56,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:22:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:56,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:22:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:56,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 04:22:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:56,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 04:22:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:56,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:22:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:56,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 04:22:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:56,857 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-10-16 04:22:56,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:56,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113106944] [2022-10-16 04:22:56,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113106944] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:22:56,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109916113] [2022-10-16 04:22:56,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:56,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:22:56,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:22:56,862 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 04:22:56,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 04:22:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:56,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 04:22:56,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:22:57,111 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-10-16 04:22:57,111 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:22:57,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109916113] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:57,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:22:57,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-10-16 04:22:57,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034498722] [2022-10-16 04:22:57,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:57,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:22:57,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:57,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:22:57,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:22:57,114 INFO L87 Difference]: Start difference. First operand 226350 states and 322836 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-10-16 04:22:58,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:58,729 INFO L93 Difference]: Finished difference Result 190298 states and 261660 transitions. [2022-10-16 04:22:58,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:22:58,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 184 [2022-10-16 04:22:58,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:59,502 INFO L225 Difference]: With dead ends: 190298 [2022-10-16 04:22:59,502 INFO L226 Difference]: Without dead ends: 190298 [2022-10-16 04:22:59,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:22:59,508 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 145 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:59,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 259 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:22:59,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190298 states. [2022-10-16 04:23:03,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190298 to 134902. [2022-10-16 04:23:03,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134902 states, 118420 states have (on average 1.3448319540618139) internal successors, (159255), 119348 states have internal predecessors, (159255), 8837 states have call successors, (8837), 6876 states have call predecessors, (8837), 7644 states have return successors, (16694), 8741 states have call predecessors, (16694), 8837 states have call successors, (16694) [2022-10-16 04:23:03,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134902 states to 134902 states and 184786 transitions. [2022-10-16 04:23:03,577 INFO L78 Accepts]: Start accepts. Automaton has 134902 states and 184786 transitions. Word has length 184 [2022-10-16 04:23:03,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:23:03,577 INFO L495 AbstractCegarLoop]: Abstraction has 134902 states and 184786 transitions. [2022-10-16 04:23:03,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-10-16 04:23:03,577 INFO L276 IsEmpty]: Start isEmpty. Operand 134902 states and 184786 transitions. [2022-10-16 04:23:04,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-10-16 04:23:04,404 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:23:04,404 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:23:04,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 04:23:04,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-16 04:23:04,617 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:23:04,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:23:04,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1659139524, now seen corresponding path program 1 times [2022-10-16 04:23:04,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:23:04,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208668553] [2022-10-16 04:23:04,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:23:04,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:23:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:04,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:23:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:04,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:23:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:04,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:23:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:04,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:23:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:04,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:23:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:04,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:23:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:04,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:23:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:04,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 04:23:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:04,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 04:23:04,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:04,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:23:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:04,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 04:23:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:04,823 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-10-16 04:23:04,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:23:04,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208668553] [2022-10-16 04:23:04,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208668553] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:23:04,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995497731] [2022-10-16 04:23:04,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:23:04,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:23:04,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:23:04,825 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 04:23:04,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 04:23:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:04,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 04:23:04,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:23:04,985 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 04:23:04,985 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:23:04,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995497731] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:23:04,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:23:04,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-10-16 04:23:04,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095096496] [2022-10-16 04:23:04,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:23:04,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:23:04,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:23:04,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:23:04,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:23:04,988 INFO L87 Difference]: Start difference. First operand 134902 states and 184786 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-10-16 04:23:06,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:23:06,859 INFO L93 Difference]: Finished difference Result 251052 states and 348869 transitions. [2022-10-16 04:23:06,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:23:06,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 184 [2022-10-16 04:23:06,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:23:08,095 INFO L225 Difference]: With dead ends: 251052 [2022-10-16 04:23:08,095 INFO L226 Difference]: Without dead ends: 251052 [2022-10-16 04:23:08,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:23:08,096 INFO L413 NwaCegarLoop]: 411 mSDtfsCounter, 176 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:23:08,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 626 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:23:08,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251052 states. [2022-10-16 04:23:12,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251052 to 251050. [2022-10-16 04:23:12,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251050 states, 219816 states have (on average 1.3405348109327802) internal successors, (294671), 221672 states have internal predecessors, (294671), 16809 states have call successors, (16809), 12888 states have call predecessors, (16809), 14424 states have return successors, (37388), 16617 states have call predecessors, (37388), 16809 states have call successors, (37388) [2022-10-16 04:23:14,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251050 states to 251050 states and 348868 transitions. [2022-10-16 04:23:14,121 INFO L78 Accepts]: Start accepts. Automaton has 251050 states and 348868 transitions. Word has length 184 [2022-10-16 04:23:14,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:23:14,121 INFO L495 AbstractCegarLoop]: Abstraction has 251050 states and 348868 transitions. [2022-10-16 04:23:14,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-10-16 04:23:14,122 INFO L276 IsEmpty]: Start isEmpty. Operand 251050 states and 348868 transitions. [2022-10-16 04:23:14,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-10-16 04:23:14,541 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:23:14,541 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:23:14,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-10-16 04:23:14,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:23:14,743 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:23:14,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:23:14,745 INFO L85 PathProgramCache]: Analyzing trace with hash -655184786, now seen corresponding path program 1 times [2022-10-16 04:23:14,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:23:14,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912657717] [2022-10-16 04:23:14,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:23:14,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:23:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:14,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:23:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:14,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:23:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:14,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:23:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:14,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:23:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:14,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:23:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:14,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:23:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:14,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:23:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:14,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 04:23:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:14,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-16 04:23:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:14,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:23:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:14,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 04:23:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:14,958 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-10-16 04:23:14,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:23:14,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912657717] [2022-10-16 04:23:14,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912657717] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:23:14,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361758565] [2022-10-16 04:23:14,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:23:14,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:23:14,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:23:14,961 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 04:23:14,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 04:23:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:15,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 04:23:15,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:23:15,120 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 04:23:15,121 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:23:15,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361758565] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:23:15,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:23:15,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-10-16 04:23:15,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938890158] [2022-10-16 04:23:15,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:23:15,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:23:15,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:23:15,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:23:15,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:23:15,123 INFO L87 Difference]: Start difference. First operand 251050 states and 348868 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-10-16 04:23:17,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:23:17,731 INFO L93 Difference]: Finished difference Result 356484 states and 501493 transitions. [2022-10-16 04:23:17,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:23:17,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 184 [2022-10-16 04:23:17,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:23:19,458 INFO L225 Difference]: With dead ends: 356484 [2022-10-16 04:23:19,458 INFO L226 Difference]: Without dead ends: 356484 [2022-10-16 04:23:19,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:23:19,461 INFO L413 NwaCegarLoop]: 403 mSDtfsCounter, 169 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:23:19,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 618 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:23:19,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356484 states. [2022-10-16 04:23:25,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356484 to 356482. [2022-10-16 04:23:25,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356482 states, 311640 states have (on average 1.3403125401103837) internal successors, (417695), 314416 states have internal predecessors, (417695), 24185 states have call successors, (24185), 18352 states have call predecessors, (24185), 20656 states have return successors, (59612), 23841 states have call predecessors, (59612), 24185 states have call successors, (59612) [2022-10-16 04:23:28,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356482 states to 356482 states and 501492 transitions. [2022-10-16 04:23:28,121 INFO L78 Accepts]: Start accepts. Automaton has 356482 states and 501492 transitions. Word has length 184 [2022-10-16 04:23:28,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:23:28,122 INFO L495 AbstractCegarLoop]: Abstraction has 356482 states and 501492 transitions. [2022-10-16 04:23:28,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-10-16 04:23:28,122 INFO L276 IsEmpty]: Start isEmpty. Operand 356482 states and 501492 transitions. [2022-10-16 04:23:29,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-10-16 04:23:29,117 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:23:29,117 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:23:29,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-16 04:23:29,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:23:29,326 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:23:29,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:23:29,327 INFO L85 PathProgramCache]: Analyzing trace with hash -429493694, now seen corresponding path program 1 times [2022-10-16 04:23:29,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:23:29,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546728671] [2022-10-16 04:23:29,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:23:29,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:23:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:29,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:23:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:29,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:23:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:29,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:23:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:29,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:23:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:23:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:29,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 04:23:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:29,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-16 04:23:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:29,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:23:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:29,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-16 04:23:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:29,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:23:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:29,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 04:23:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:29,519 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-10-16 04:23:29,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:23:29,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546728671] [2022-10-16 04:23:29,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546728671] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:23:29,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566933549] [2022-10-16 04:23:29,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:23:29,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:23:29,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:23:29,521 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 04:23:29,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 04:23:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:29,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 04:23:29,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:23:29,690 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-16 04:23:29,690 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:23:29,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566933549] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:23:29,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:23:29,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-10-16 04:23:29,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177398131] [2022-10-16 04:23:29,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:23:29,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:23:29,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:23:29,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:23:29,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:23:29,692 INFO L87 Difference]: Start difference. First operand 356482 states and 501492 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 04:23:32,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:23:32,273 INFO L93 Difference]: Finished difference Result 367252 states and 514981 transitions. [2022-10-16 04:23:32,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:23:32,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 184 [2022-10-16 04:23:32,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:23:34,257 INFO L225 Difference]: With dead ends: 367252 [2022-10-16 04:23:34,257 INFO L226 Difference]: Without dead ends: 367252 [2022-10-16 04:23:34,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:23:34,258 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 171 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:23:34,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 432 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:23:34,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367252 states. [2022-10-16 04:23:42,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367252 to 355602. [2022-10-16 04:23:43,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355602 states, 310760 states have (on average 1.3313650405457589) internal successors, (413735), 313536 states have internal predecessors, (413735), 24185 states have call successors, (24185), 18352 states have call predecessors, (24185), 20656 states have return successors, (59612), 23841 states have call predecessors, (59612), 24185 states have call successors, (59612) [2022-10-16 04:23:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355602 states to 355602 states and 497532 transitions. [2022-10-16 04:23:45,537 INFO L78 Accepts]: Start accepts. Automaton has 355602 states and 497532 transitions. Word has length 184 [2022-10-16 04:23:45,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:23:45,537 INFO L495 AbstractCegarLoop]: Abstraction has 355602 states and 497532 transitions. [2022-10-16 04:23:45,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 04:23:45,538 INFO L276 IsEmpty]: Start isEmpty. Operand 355602 states and 497532 transitions. [2022-10-16 04:23:46,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-10-16 04:23:46,625 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:23:46,625 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:23:46,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 04:23:46,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-10-16 04:23:46,833 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:23:46,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:23:46,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1069489912, now seen corresponding path program 1 times [2022-10-16 04:23:46,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:23:46,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178283716] [2022-10-16 04:23:46,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:23:46,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:23:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:46,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:23:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:46,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:23:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:46,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:23:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:46,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:23:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:46,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:23:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:46,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 04:23:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:46,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-16 04:23:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:46,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:23:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:47,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-16 04:23:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:47,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:23:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:47,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 04:23:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:47,035 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-10-16 04:23:47,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:23:47,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178283716] [2022-10-16 04:23:47,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178283716] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:23:47,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545851856] [2022-10-16 04:23:47,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:23:47,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:23:47,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:23:47,041 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 04:23:47,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 04:23:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:47,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 04:23:47,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:23:47,284 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 04:23:47,286 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:23:47,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545851856] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:23:47,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:23:47,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-10-16 04:23:47,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850408755] [2022-10-16 04:23:47,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:23:47,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:23:47,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:23:47,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:23:47,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:23:47,289 INFO L87 Difference]: Start difference. First operand 355602 states and 497532 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-10-16 04:23:49,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:23:49,762 INFO L93 Difference]: Finished difference Result 329090 states and 459756 transitions. [2022-10-16 04:23:49,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:23:49,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 184 [2022-10-16 04:23:49,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:23:51,413 INFO L225 Difference]: With dead ends: 329090 [2022-10-16 04:23:51,414 INFO L226 Difference]: Without dead ends: 327458 [2022-10-16 04:23:51,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:23:51,421 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 169 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:23:51,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 282 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:23:51,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327458 states. [2022-10-16 04:23:56,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327458 to 323682. [2022-10-16 04:23:57,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323682 states, 284160 states have (on average 1.3164238457207207) internal successors, (374075), 286176 states have internal predecessors, (374075), 21273 states have call successors, (21273), 16528 states have call predecessors, (21273), 18248 states have return successors, (57042), 21041 states have call predecessors, (57042), 21273 states have call successors, (57042) [2022-10-16 04:24:00,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323682 states to 323682 states and 452390 transitions. [2022-10-16 04:24:00,146 INFO L78 Accepts]: Start accepts. Automaton has 323682 states and 452390 transitions. Word has length 184 [2022-10-16 04:24:00,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:24:00,159 INFO L495 AbstractCegarLoop]: Abstraction has 323682 states and 452390 transitions. [2022-10-16 04:24:00,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-10-16 04:24:00,160 INFO L276 IsEmpty]: Start isEmpty. Operand 323682 states and 452390 transitions. [2022-10-16 04:24:00,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-10-16 04:24:00,433 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:24:00,433 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:24:00,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-10-16 04:24:00,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-10-16 04:24:00,643 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:24:00,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:24:00,644 INFO L85 PathProgramCache]: Analyzing trace with hash -42040262, now seen corresponding path program 1 times [2022-10-16 04:24:00,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:24:00,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276831302] [2022-10-16 04:24:00,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:24:00,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:24:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:00,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:24:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:00,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:24:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:00,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:24:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:00,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:24:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:00,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:24:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:00,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 04:24:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:00,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-16 04:24:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:00,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:24:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:00,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-16 04:24:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:00,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:24:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:00,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 04:24:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:00,815 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-10-16 04:24:00,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:24:00,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276831302] [2022-10-16 04:24:00,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276831302] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:24:00,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579692728] [2022-10-16 04:24:00,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:24:00,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:24:00,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:24:00,818 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 04:24:00,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-16 04:24:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:00,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 04:24:00,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:24:01,030 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-10-16 04:24:01,030 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:24:01,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579692728] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:24:01,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:24:01,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-10-16 04:24:01,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128377977] [2022-10-16 04:24:01,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:24:01,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:24:01,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:24:01,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:24:01,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:24:01,033 INFO L87 Difference]: Start difference. First operand 323682 states and 452390 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 04:24:03,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:24:03,629 INFO L93 Difference]: Finished difference Result 338488 states and 471479 transitions. [2022-10-16 04:24:03,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:24:03,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 184 [2022-10-16 04:24:03,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:24:05,293 INFO L225 Difference]: With dead ends: 338488 [2022-10-16 04:24:05,293 INFO L226 Difference]: Without dead ends: 338488 [2022-10-16 04:24:05,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:24:05,294 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 167 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:24:05,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 468 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:24:05,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338488 states. [2022-10-16 04:24:13,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338488 to 333478. [2022-10-16 04:24:13,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333478 states, 293588 states have (on average 1.3108744226603266) internal successors, (384857), 295604 states have internal predecessors, (384857), 21273 states have call successors, (21273), 16896 states have call predecessors, (21273), 18616 states have return successors, (58140), 21041 states have call predecessors, (58140), 21273 states have call successors, (58140) [2022-10-16 04:24:16,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333478 states to 333478 states and 464270 transitions. [2022-10-16 04:24:16,691 INFO L78 Accepts]: Start accepts. Automaton has 333478 states and 464270 transitions. Word has length 184 [2022-10-16 04:24:16,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:24:16,691 INFO L495 AbstractCegarLoop]: Abstraction has 333478 states and 464270 transitions. [2022-10-16 04:24:16,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 04:24:16,692 INFO L276 IsEmpty]: Start isEmpty. Operand 333478 states and 464270 transitions. [2022-10-16 04:24:17,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-10-16 04:24:17,557 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:24:17,557 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:24:17,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-10-16 04:24:17,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:24:17,766 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:24:17,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:24:17,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1611265924, now seen corresponding path program 1 times [2022-10-16 04:24:17,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:24:17,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720801105] [2022-10-16 04:24:17,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:24:17,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:24:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:17,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:24:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:17,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:24:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:17,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:24:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:17,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:24:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:17,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:24:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:17,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 04:24:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:17,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-16 04:24:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:17,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:24:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:17,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-16 04:24:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:17,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:24:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:17,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 04:24:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:17,885 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-10-16 04:24:17,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:24:17,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720801105] [2022-10-16 04:24:17,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720801105] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:24:17,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:24:17,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 04:24:17,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664135407] [2022-10-16 04:24:17,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:24:17,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:24:17,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:24:17,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:24:17,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:24:17,888 INFO L87 Difference]: Start difference. First operand 333478 states and 464270 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-10-16 04:24:20,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:24:20,579 INFO L93 Difference]: Finished difference Result 368920 states and 503376 transitions. [2022-10-16 04:24:20,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 04:24:20,582 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 184 [2022-10-16 04:24:20,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:24:21,989 INFO L225 Difference]: With dead ends: 368920 [2022-10-16 04:24:21,990 INFO L226 Difference]: Without dead ends: 368920 [2022-10-16 04:24:21,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:24:21,991 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 360 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:24:21,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 370 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 04:24:22,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368920 states. [2022-10-16 04:24:29,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368920 to 348558. [2022-10-16 04:24:29,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348558 states, 310020 states have (on average 1.3059641313463648) internal successors, (404875), 315540 states have internal predecessors, (404875), 17597 states have call successors, (17597), 14048 states have call predecessors, (17597), 20940 states have return successors, (53527), 19001 states have call predecessors, (53527), 17597 states have call successors, (53527) [2022-10-16 04:24:31,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348558 states to 348558 states and 475999 transitions. [2022-10-16 04:24:31,661 INFO L78 Accepts]: Start accepts. Automaton has 348558 states and 475999 transitions. Word has length 184 [2022-10-16 04:24:31,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:24:31,661 INFO L495 AbstractCegarLoop]: Abstraction has 348558 states and 475999 transitions. [2022-10-16 04:24:31,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-10-16 04:24:31,662 INFO L276 IsEmpty]: Start isEmpty. Operand 348558 states and 475999 transitions. [2022-10-16 04:24:32,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-10-16 04:24:32,352 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:24:32,352 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:24:32,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 04:24:32,353 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:24:32,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:24:32,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1174238014, now seen corresponding path program 1 times [2022-10-16 04:24:32,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:24:32,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45381435] [2022-10-16 04:24:32,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:24:32,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:24:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:32,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:24:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:32,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 04:24:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:32,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 04:24:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:32,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 04:24:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:32,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 04:24:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:32,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 04:24:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:32,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 04:24:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:32,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:24:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:32,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-16 04:24:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:32,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:24:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:32,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-10-16 04:24:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:32,566 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-10-16 04:24:32,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:24:32,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45381435] [2022-10-16 04:24:32,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45381435] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:24:32,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122532833] [2022-10-16 04:24:32,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:24:32,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:24:32,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:24:32,568 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 04:24:32,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-10-16 04:24:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:32,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 04:24:32,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:24:32,749 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-10-16 04:24:32,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:24:32,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122532833] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:24:32,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:24:32,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-10-16 04:24:32,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8685152] [2022-10-16 04:24:32,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:24:32,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:24:32,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:24:32,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:24:32,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:24:32,752 INFO L87 Difference]: Start difference. First operand 348558 states and 475999 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 04:24:35,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:24:35,192 INFO L93 Difference]: Finished difference Result 351472 states and 479470 transitions. [2022-10-16 04:24:35,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:24:35,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 186 [2022-10-16 04:24:35,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:24:36,488 INFO L225 Difference]: With dead ends: 351472 [2022-10-16 04:24:36,488 INFO L226 Difference]: Without dead ends: 351472 [2022-10-16 04:24:36,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:24:36,489 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 173 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:24:36,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 452 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:24:36,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351472 states.