/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.06.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 04:22:31,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 04:22:31,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 04:22:31,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 04:22:31,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 04:22:31,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 04:22:31,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 04:22:31,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 04:22:31,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 04:22:31,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 04:22:31,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 04:22:31,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 04:22:31,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 04:22:31,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 04:22:31,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 04:22:31,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 04:22:31,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 04:22:31,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 04:22:31,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 04:22:31,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 04:22:31,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 04:22:31,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 04:22:31,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 04:22:31,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 04:22:31,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 04:22:31,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 04:22:31,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 04:22:31,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 04:22:31,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 04:22:31,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 04:22:31,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 04:22:31,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 04:22:31,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 04:22:31,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 04:22:31,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 04:22:31,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 04:22:31,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 04:22:31,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 04:22:31,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 04:22:31,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 04:22:31,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 04:22:31,524 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 04:22:31,579 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 04:22:31,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 04:22:31,581 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 04:22:31,581 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 04:22:31,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 04:22:31,583 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 04:22:31,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 04:22:31,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 04:22:31,587 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 04:22:31,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 04:22:31,588 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 04:22:31,588 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 04:22:31,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 04:22:31,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 04:22:31,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 04:22:31,589 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 04:22:31,589 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 04:22:31,590 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 04:22:31,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 04:22:31,590 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 04:22:31,590 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 04:22:31,590 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 04:22:31,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 04:22:31,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 04:22:31,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 04:22:31,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:22:31,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 04:22:31,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 04:22:31,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 04:22:31,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 04:22:31,592 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 04:22:32,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 04:22:32,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 04:22:32,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 04:22:32,067 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 04:22:32,068 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 04:22:32,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/token_ring.06.cil-2.c [2022-10-16 04:22:32,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66c580a94/0b52ee14f9e34ddca146e20e686d6a7a/FLAG4e5cd5908 [2022-10-16 04:22:32,864 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 04:22:32,865 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.06.cil-2.c [2022-10-16 04:22:32,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66c580a94/0b52ee14f9e34ddca146e20e686d6a7a/FLAG4e5cd5908 [2022-10-16 04:22:33,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66c580a94/0b52ee14f9e34ddca146e20e686d6a7a [2022-10-16 04:22:33,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 04:22:33,179 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 04:22:33,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 04:22:33,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 04:22:33,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 04:22:33,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:22:33" (1/1) ... [2022-10-16 04:22:33,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df901bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:33, skipping insertion in model container [2022-10-16 04:22:33,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:22:33" (1/1) ... [2022-10-16 04:22:33,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 04:22:33,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 04:22:33,521 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.06.cil-2.c[671,684] [2022-10-16 04:22:33,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:22:33,639 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 04:22:33,655 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.06.cil-2.c[671,684] [2022-10-16 04:22:33,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:22:33,739 INFO L208 MainTranslator]: Completed translation [2022-10-16 04:22:33,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:33 WrapperNode [2022-10-16 04:22:33,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 04:22:33,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 04:22:33,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 04:22:33,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 04:22:33,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:33" (1/1) ... [2022-10-16 04:22:33,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:33" (1/1) ... [2022-10-16 04:22:33,806 INFO L138 Inliner]: procedures = 40, calls = 49, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 505 [2022-10-16 04:22:33,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 04:22:33,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 04:22:33,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 04:22:33,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 04:22:33,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:33" (1/1) ... [2022-10-16 04:22:33,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:33" (1/1) ... [2022-10-16 04:22:33,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:33" (1/1) ... [2022-10-16 04:22:33,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:33" (1/1) ... [2022-10-16 04:22:33,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:33" (1/1) ... [2022-10-16 04:22:33,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:33" (1/1) ... [2022-10-16 04:22:33,850 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:33" (1/1) ... [2022-10-16 04:22:33,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:33" (1/1) ... [2022-10-16 04:22:33,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 04:22:33,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 04:22:33,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 04:22:33,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 04:22:33,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:33" (1/1) ... [2022-10-16 04:22:33,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:22:33,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:22:33,916 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 04:22:33,933 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 04:22:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 04:22:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-10-16 04:22:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-10-16 04:22:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-10-16 04:22:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-10-16 04:22:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-16 04:22:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-16 04:22:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-16 04:22:34,013 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-16 04:22:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-10-16 04:22:34,013 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-10-16 04:22:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 04:22:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-10-16 04:22:34,014 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-10-16 04:22:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 04:22:34,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 04:22:34,143 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 04:22:34,146 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 04:22:35,009 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 04:22:35,022 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 04:22:35,023 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-10-16 04:22:35,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:22:35 BoogieIcfgContainer [2022-10-16 04:22:35,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 04:22:35,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 04:22:35,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 04:22:35,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 04:22:35,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:22:33" (1/3) ... [2022-10-16 04:22:35,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4816727a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:22:35, skipping insertion in model container [2022-10-16 04:22:35,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:33" (2/3) ... [2022-10-16 04:22:35,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4816727a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:22:35, skipping insertion in model container [2022-10-16 04:22:35,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:22:35" (3/3) ... [2022-10-16 04:22:35,048 INFO L112 eAbstractionObserver]: Analyzing ICFG token_ring.06.cil-2.c [2022-10-16 04:22:35,071 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 04:22:35,072 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-16 04:22:35,157 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 04:22:35,166 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;@2ef1b156, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 04:22:35,167 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-16 04:22:35,173 INFO L276 IsEmpty]: Start isEmpty. Operand has 233 states, 204 states have (on average 1.6372549019607843) internal successors, (334), 207 states have internal predecessors, (334), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-10-16 04:22:35,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 04:22:35,189 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:35,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:22:35,190 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:35,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:35,197 INFO L85 PathProgramCache]: Analyzing trace with hash -204247020, now seen corresponding path program 1 times [2022-10-16 04:22:35,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:35,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669338681] [2022-10-16 04:22:35,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:35,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:35,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:35,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 04:22:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:35,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 04:22:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:35,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:22:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:35,968 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 04:22:35,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:35,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669338681] [2022-10-16 04:22:35,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669338681] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:35,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:22:35,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 04:22:35,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627867625] [2022-10-16 04:22:35,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:35,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:22:35,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:36,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:22:36,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:22:36,018 INFO L87 Difference]: Start difference. First operand has 233 states, 204 states have (on average 1.6372549019607843) internal successors, (334), 207 states have internal predecessors, (334), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 3 states have internal predecessors, (89), 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 04:22:37,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:37,147 INFO L93 Difference]: Finished difference Result 308 states and 484 transitions. [2022-10-16 04:22:37,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 04:22:37,150 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 3 states have internal predecessors, (89), 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 97 [2022-10-16 04:22:37,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:37,181 INFO L225 Difference]: With dead ends: 308 [2022-10-16 04:22:37,181 INFO L226 Difference]: Without dead ends: 306 [2022-10-16 04:22:37,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:22:37,193 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 585 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:37,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 628 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 04:22:37,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-10-16 04:22:37,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 230. [2022-10-16 04:22:37,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 202 states have (on average 1.5396039603960396) internal successors, (311), 204 states have internal predecessors, (311), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-10-16 04:22:37,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 351 transitions. [2022-10-16 04:22:37,307 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 351 transitions. Word has length 97 [2022-10-16 04:22:37,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:37,308 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 351 transitions. [2022-10-16 04:22:37,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 3 states have internal predecessors, (89), 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 04:22:37,310 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 351 transitions. [2022-10-16 04:22:37,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 04:22:37,319 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:37,320 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:22:37,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 04:22:37,323 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:37,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:37,324 INFO L85 PathProgramCache]: Analyzing trace with hash 756830087, now seen corresponding path program 1 times [2022-10-16 04:22:37,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:37,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255213385] [2022-10-16 04:22:37,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:37,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:37,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:37,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 04:22:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:37,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 04:22:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:37,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:22:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:37,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 04:22:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:37,795 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 04:22:37,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:37,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255213385] [2022-10-16 04:22:37,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255213385] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:37,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:22:37,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 04:22:37,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142917909] [2022-10-16 04:22:37,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:37,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 04:22:37,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:37,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 04:22:37,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 04:22:37,802 INFO L87 Difference]: Start difference. First operand 230 states and 351 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 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 04:22:39,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:39,661 INFO L93 Difference]: Finished difference Result 604 states and 949 transitions. [2022-10-16 04:22:39,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 04:22:39,663 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 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 111 [2022-10-16 04:22:39,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:39,670 INFO L225 Difference]: With dead ends: 604 [2022-10-16 04:22:39,671 INFO L226 Difference]: Without dead ends: 604 [2022-10-16 04:22:39,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-10-16 04:22:39,673 INFO L413 NwaCegarLoop]: 441 mSDtfsCounter, 866 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 879 SdHoareTripleChecker+Valid, 1083 SdHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:39,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [879 Valid, 1083 Invalid, 1257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1165 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 04:22:39,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2022-10-16 04:22:39,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 450. [2022-10-16 04:22:39,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 400 states have (on average 1.555) internal successors, (622), 403 states have internal predecessors, (622), 35 states have call successors, (35), 12 states have call predecessors, (35), 13 states have return successors, (38), 35 states have call predecessors, (38), 35 states have call successors, (38) [2022-10-16 04:22:39,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 695 transitions. [2022-10-16 04:22:39,717 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 695 transitions. Word has length 111 [2022-10-16 04:22:39,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:39,717 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 695 transitions. [2022-10-16 04:22:39,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 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 04:22:39,718 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 695 transitions. [2022-10-16 04:22:39,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 04:22:39,720 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:39,720 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:22:39,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 04:22:39,721 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:39,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:39,722 INFO L85 PathProgramCache]: Analyzing trace with hash 2035828747, now seen corresponding path program 1 times [2022-10-16 04:22:39,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:39,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291382240] [2022-10-16 04:22:39,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:39,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:39,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:39,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 04:22:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:40,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 04:22:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:40,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:22:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:40,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 04:22:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:40,069 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 04:22:40,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:40,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291382240] [2022-10-16 04:22:40,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291382240] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:40,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:22:40,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:22:40,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174964528] [2022-10-16 04:22:40,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:40,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:22:40,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:40,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:22:40,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:22:40,073 INFO L87 Difference]: Start difference. First operand 450 states and 695 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:22:42,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:42,207 INFO L93 Difference]: Finished difference Result 907 states and 1430 transitions. [2022-10-16 04:22:42,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 04:22:42,208 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 111 [2022-10-16 04:22:42,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:42,219 INFO L225 Difference]: With dead ends: 907 [2022-10-16 04:22:42,220 INFO L226 Difference]: Without dead ends: 907 [2022-10-16 04:22:42,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 04:22:42,231 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 872 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 1765 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 1712 SdHoareTripleChecker+Invalid, 1829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:42,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 1712 Invalid, 1829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1765 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 04:22:42,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2022-10-16 04:22:42,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 655. [2022-10-16 04:22:42,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 583 states have (on average 1.548885077186964) internal successors, (903), 587 states have internal predecessors, (903), 50 states have call successors, (50), 18 states have call predecessors, (50), 20 states have return successors, (55), 51 states have call predecessors, (55), 50 states have call successors, (55) [2022-10-16 04:22:42,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 1008 transitions. [2022-10-16 04:22:42,305 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 1008 transitions. Word has length 111 [2022-10-16 04:22:42,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:42,305 INFO L495 AbstractCegarLoop]: Abstraction has 655 states and 1008 transitions. [2022-10-16 04:22:42,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:22:42,306 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 1008 transitions. [2022-10-16 04:22:42,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 04:22:42,309 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:42,309 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:22:42,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 04:22:42,310 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:42,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:42,310 INFO L85 PathProgramCache]: Analyzing trace with hash 416853833, now seen corresponding path program 1 times [2022-10-16 04:22:42,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:42,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379459159] [2022-10-16 04:22:42,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:42,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:42,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:42,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 04:22:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:42,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 04:22:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:42,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:22:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:42,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 04:22:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:42,629 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 04:22:42,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:42,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379459159] [2022-10-16 04:22:42,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379459159] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:42,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:22:42,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:22:42,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684988977] [2022-10-16 04:22:42,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:42,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:22:42,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:42,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:22:42,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:22:42,633 INFO L87 Difference]: Start difference. First operand 655 states and 1008 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:22:44,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:44,595 INFO L93 Difference]: Finished difference Result 1472 states and 2317 transitions. [2022-10-16 04:22:44,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 04:22:44,596 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 111 [2022-10-16 04:22:44,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:44,619 INFO L225 Difference]: With dead ends: 1472 [2022-10-16 04:22:44,619 INFO L226 Difference]: Without dead ends: 1472 [2022-10-16 04:22:44,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 04:22:44,627 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 936 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 1570 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 949 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 1664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:44,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [949 Valid, 1201 Invalid, 1664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1570 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 04:22:44,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2022-10-16 04:22:44,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1066. [2022-10-16 04:22:44,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1066 states, 950 states have (on average 1.543157894736842) internal successors, (1466), 956 states have internal predecessors, (1466), 80 states have call successors, (80), 30 states have call predecessors, (80), 34 states have return successors, (93), 83 states have call predecessors, (93), 80 states have call successors, (93) [2022-10-16 04:22:44,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1639 transitions. [2022-10-16 04:22:44,693 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1639 transitions. Word has length 111 [2022-10-16 04:22:44,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:44,694 INFO L495 AbstractCegarLoop]: Abstraction has 1066 states and 1639 transitions. [2022-10-16 04:22:44,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:22:44,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1639 transitions. [2022-10-16 04:22:44,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 04:22:44,698 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:44,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:22:44,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 04:22:44,698 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:44,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:44,699 INFO L85 PathProgramCache]: Analyzing trace with hash -466655157, now seen corresponding path program 1 times [2022-10-16 04:22:44,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:44,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195943080] [2022-10-16 04:22:44,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:44,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:44,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:44,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 04:22:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:44,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 04:22:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:44,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:22:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:45,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 04:22:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:45,014 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 04:22:45,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:45,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195943080] [2022-10-16 04:22:45,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195943080] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:45,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:22:45,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:22:45,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005331245] [2022-10-16 04:22:45,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:45,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:22:45,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:45,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:22:45,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:22:45,022 INFO L87 Difference]: Start difference. First operand 1066 states and 1639 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:22:47,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:47,104 INFO L93 Difference]: Finished difference Result 2541 states and 3981 transitions. [2022-10-16 04:22:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 04:22:47,105 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 111 [2022-10-16 04:22:47,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:47,125 INFO L225 Difference]: With dead ends: 2541 [2022-10-16 04:22:47,125 INFO L226 Difference]: Without dead ends: 2541 [2022-10-16 04:22:47,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 04:22:47,127 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 866 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 879 SdHoareTripleChecker+Valid, 1696 SdHoareTripleChecker+Invalid, 1819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:47,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [879 Valid, 1696 Invalid, 1819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1749 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 04:22:47,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2541 states. [2022-10-16 04:22:47,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2541 to 1894. [2022-10-16 04:22:47,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1894 states, 1690 states have (on average 1.5396449704142012) internal successors, (2602), 1700 states have internal predecessors, (2602), 140 states have call successors, (140), 54 states have call predecessors, (140), 62 states have return successors, (175), 147 states have call predecessors, (175), 140 states have call successors, (175) [2022-10-16 04:22:47,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 1894 states and 2917 transitions. [2022-10-16 04:22:47,255 INFO L78 Accepts]: Start accepts. Automaton has 1894 states and 2917 transitions. Word has length 111 [2022-10-16 04:22:47,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:47,256 INFO L495 AbstractCegarLoop]: Abstraction has 1894 states and 2917 transitions. [2022-10-16 04:22:47,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:22:47,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2917 transitions. [2022-10-16 04:22:47,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 04:22:47,260 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:47,260 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:22:47,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 04:22:47,261 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:47,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:47,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1887730125, now seen corresponding path program 1 times [2022-10-16 04:22:47,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:47,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880113678] [2022-10-16 04:22:47,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:47,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:47,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:47,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 04:22:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:47,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 04:22:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:47,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:22:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:47,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 04:22:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:47,595 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 04:22:47,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:47,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880113678] [2022-10-16 04:22:47,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880113678] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:47,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:22:47,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:22:47,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246447937] [2022-10-16 04:22:47,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:47,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:22:47,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:47,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:22:47,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:22:47,603 INFO L87 Difference]: Start difference. First operand 1894 states and 2917 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:22:49,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:49,708 INFO L93 Difference]: Finished difference Result 4683 states and 7331 transitions. [2022-10-16 04:22:49,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 04:22:49,709 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 111 [2022-10-16 04:22:49,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:49,741 INFO L225 Difference]: With dead ends: 4683 [2022-10-16 04:22:49,742 INFO L226 Difference]: Without dead ends: 4683 [2022-10-16 04:22:49,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 04:22:49,746 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 865 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 1741 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 1691 SdHoareTripleChecker+Invalid, 1811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:49,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 1691 Invalid, 1811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1741 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 04:22:49,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4683 states. [2022-10-16 04:22:49,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4683 to 3555. [2022-10-16 04:22:49,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3555 states, 3175 states have (on average 1.537007874015748) internal successors, (4880), 3193 states have internal predecessors, (4880), 260 states have call successors, (260), 102 states have call predecessors, (260), 118 states have return successors, (357), 275 states have call predecessors, (357), 260 states have call successors, (357) [2022-10-16 04:22:49,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 3555 states and 5497 transitions. [2022-10-16 04:22:49,909 INFO L78 Accepts]: Start accepts. Automaton has 3555 states and 5497 transitions. Word has length 111 [2022-10-16 04:22:49,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:49,909 INFO L495 AbstractCegarLoop]: Abstraction has 3555 states and 5497 transitions. [2022-10-16 04:22:49,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:22:49,910 INFO L276 IsEmpty]: Start isEmpty. Operand 3555 states and 5497 transitions. [2022-10-16 04:22:49,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 04:22:49,914 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:49,915 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:22:49,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 04:22:49,915 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:49,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:49,916 INFO L85 PathProgramCache]: Analyzing trace with hash -530173941, now seen corresponding path program 1 times [2022-10-16 04:22:49,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:49,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141720995] [2022-10-16 04:22:49,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:49,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:50,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:50,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 04:22:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:50,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 04:22:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:50,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:22:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:50,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 04:22:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:50,158 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 04:22:50,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:50,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141720995] [2022-10-16 04:22:50,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141720995] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:50,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:22:50,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:22:50,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821690384] [2022-10-16 04:22:50,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:50,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:22:50,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:50,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:22:50,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:22:50,173 INFO L87 Difference]: Start difference. First operand 3555 states and 5497 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:22:52,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:52,205 INFO L93 Difference]: Finished difference Result 8961 states and 14065 transitions. [2022-10-16 04:22:52,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 04:22:52,206 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 111 [2022-10-16 04:22:52,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:52,271 INFO L225 Difference]: With dead ends: 8961 [2022-10-16 04:22:52,271 INFO L226 Difference]: Without dead ends: 8961 [2022-10-16 04:22:52,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 04:22:52,272 INFO L413 NwaCegarLoop]: 555 mSDtfsCounter, 864 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 1733 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 877 SdHoareTripleChecker+Valid, 1686 SdHoareTripleChecker+Invalid, 1803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:52,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [877 Valid, 1686 Invalid, 1803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1733 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 04:22:52,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8961 states. [2022-10-16 04:22:52,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8961 to 6892. [2022-10-16 04:22:52,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6892 states, 6160 states have (on average 1.5353896103896103) internal successors, (9458), 6194 states have internal predecessors, (9458), 500 states have call successors, (500), 198 states have call predecessors, (500), 230 states have return successors, (775), 531 states have call predecessors, (775), 500 states have call successors, (775) [2022-10-16 04:22:52,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6892 states to 6892 states and 10733 transitions. [2022-10-16 04:22:52,608 INFO L78 Accepts]: Start accepts. Automaton has 6892 states and 10733 transitions. Word has length 111 [2022-10-16 04:22:52,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:52,608 INFO L495 AbstractCegarLoop]: Abstraction has 6892 states and 10733 transitions. [2022-10-16 04:22:52,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:22:52,609 INFO L276 IsEmpty]: Start isEmpty. Operand 6892 states and 10733 transitions. [2022-10-16 04:22:52,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 04:22:52,616 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:52,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:22:52,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 04:22:52,617 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:52,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:52,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1300907507, now seen corresponding path program 1 times [2022-10-16 04:22:52,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:52,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383769222] [2022-10-16 04:22:52,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:52,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:52,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:52,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 04:22:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:52,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 04:22:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:52,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:22:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:52,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 04:22:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:52,808 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 04:22:52,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:52,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383769222] [2022-10-16 04:22:52,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383769222] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:52,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:22:52,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:22:52,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205773015] [2022-10-16 04:22:52,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:52,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:22:52,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:52,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:22:52,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:22:52,810 INFO L87 Difference]: Start difference. First operand 6892 states and 10733 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:22:55,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:55,084 INFO L93 Difference]: Finished difference Result 20479 states and 32133 transitions. [2022-10-16 04:22:55,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:22:55,085 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 111 [2022-10-16 04:22:55,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:55,206 INFO L225 Difference]: With dead ends: 20479 [2022-10-16 04:22:55,207 INFO L226 Difference]: Without dead ends: 20479 [2022-10-16 04:22:55,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-10-16 04:22:55,208 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 1115 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 1718 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1135 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 1793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:55,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1135 Valid, 1671 Invalid, 1793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1718 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 04:22:55,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20479 states. [2022-10-16 04:22:55,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20479 to 13501. [2022-10-16 04:22:55,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13501 states, 12097 states have (on average 1.537240638174754) internal successors, (18596), 12163 states have internal predecessors, (18596), 948 states have call successors, (948), 390 states have call predecessors, (948), 454 states have return successors, (1741), 1011 states have call predecessors, (1741), 948 states have call successors, (1741) [2022-10-16 04:22:55,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13501 states to 13501 states and 21285 transitions. [2022-10-16 04:22:55,889 INFO L78 Accepts]: Start accepts. Automaton has 13501 states and 21285 transitions. Word has length 111 [2022-10-16 04:22:55,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:22:55,889 INFO L495 AbstractCegarLoop]: Abstraction has 13501 states and 21285 transitions. [2022-10-16 04:22:55,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:22:55,891 INFO L276 IsEmpty]: Start isEmpty. Operand 13501 states and 21285 transitions. [2022-10-16 04:22:55,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 04:22:55,906 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:22:55,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:22:55,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 04:22:55,907 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:22:55,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:22:55,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1999366091, now seen corresponding path program 1 times [2022-10-16 04:22:55,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:22:55,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877865815] [2022-10-16 04:22:55,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:22:55,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:22:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:56,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:22:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:56,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 04:22:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:56,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 04:22:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:56,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:22:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:56,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 04:22:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:22:56,135 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 04:22:56,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:22:56,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877865815] [2022-10-16 04:22:56,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877865815] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:22:56,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:22:56,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:22:56,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093733126] [2022-10-16 04:22:56,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:22:56,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:22:56,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:22:56,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:22:56,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:22:56,139 INFO L87 Difference]: Start difference. First operand 13501 states and 21285 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:22:58,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:22:58,797 INFO L93 Difference]: Finished difference Result 39549 states and 62707 transitions. [2022-10-16 04:22:58,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:22:58,798 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 111 [2022-10-16 04:22:58,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:22:59,042 INFO L225 Difference]: With dead ends: 39549 [2022-10-16 04:22:59,043 INFO L226 Difference]: Without dead ends: 39549 [2022-10-16 04:22:59,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-10-16 04:22:59,049 INFO L413 NwaCegarLoop]: 634 mSDtfsCounter, 914 mSDsluCounter, 1120 mSDsCounter, 0 mSdLazyCounter, 1988 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 1754 SdHoareTripleChecker+Invalid, 2060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:22:59,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 1754 Invalid, 2060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1988 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:22:59,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39549 states. [2022-10-16 04:23:00,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39549 to 26366. [2022-10-16 04:23:00,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26366 states, 23650 states have (on average 1.5386892177589853) internal successors, (36390), 23780 states have internal predecessors, (36390), 1812 states have call successors, (1812), 774 states have call predecessors, (1812), 902 states have return successors, (4127), 1939 states have call predecessors, (4127), 1812 states have call successors, (4127) [2022-10-16 04:23:00,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26366 states to 26366 states and 42329 transitions. [2022-10-16 04:23:00,414 INFO L78 Accepts]: Start accepts. Automaton has 26366 states and 42329 transitions. Word has length 111 [2022-10-16 04:23:00,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:23:00,414 INFO L495 AbstractCegarLoop]: Abstraction has 26366 states and 42329 transitions. [2022-10-16 04:23:00,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:23:00,415 INFO L276 IsEmpty]: Start isEmpty. Operand 26366 states and 42329 transitions. [2022-10-16 04:23:00,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 04:23:00,439 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:23:00,439 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:23:00,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 04:23:00,439 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:23:00,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:23:00,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1413089869, now seen corresponding path program 1 times [2022-10-16 04:23:00,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:23:00,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250877825] [2022-10-16 04:23:00,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:23:00,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:23:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:00,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:23:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:00,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 04:23:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:00,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 04:23:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:00,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:23:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:00,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 04:23:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:00,643 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 04:23:00,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:23:00,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250877825] [2022-10-16 04:23:00,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250877825] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:23:00,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:23:00,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:23:00,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651615562] [2022-10-16 04:23:00,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:23:00,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:23:00,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:23:00,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:23:00,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:23:00,646 INFO L87 Difference]: Start difference. First operand 26366 states and 42329 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:23:03,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:23:03,273 INFO L93 Difference]: Finished difference Result 75899 states and 122373 transitions. [2022-10-16 04:23:03,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:23:03,273 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 111 [2022-10-16 04:23:03,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:23:03,895 INFO L225 Difference]: With dead ends: 75899 [2022-10-16 04:23:03,895 INFO L226 Difference]: Without dead ends: 75899 [2022-10-16 04:23:03,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-10-16 04:23:03,896 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 1035 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 1702 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1055 SdHoareTripleChecker+Valid, 1661 SdHoareTripleChecker+Invalid, 1777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:23:03,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1055 Valid, 1661 Invalid, 1777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1702 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 04:23:03,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75899 states. [2022-10-16 04:23:05,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75899 to 52351. [2022-10-16 04:23:05,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52351 states, 47075 states have (on average 1.5412002124269781) internal successors, (72552), 47333 states have internal predecessors, (72552), 3476 states have call successors, (3476), 1542 states have call predecessors, (3476), 1798 states have return successors, (10293), 3731 states have call predecessors, (10293), 3476 states have call successors, (10293) [2022-10-16 04:23:06,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52351 states to 52351 states and 86321 transitions. [2022-10-16 04:23:06,424 INFO L78 Accepts]: Start accepts. Automaton has 52351 states and 86321 transitions. Word has length 111 [2022-10-16 04:23:06,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:23:06,426 INFO L495 AbstractCegarLoop]: Abstraction has 52351 states and 86321 transitions. [2022-10-16 04:23:06,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:23:06,427 INFO L276 IsEmpty]: Start isEmpty. Operand 52351 states and 86321 transitions. [2022-10-16 04:23:06,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 04:23:06,477 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:23:06,477 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:23:06,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 04:23:06,478 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:23:06,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:23:06,479 INFO L85 PathProgramCache]: Analyzing trace with hash -545484917, now seen corresponding path program 1 times [2022-10-16 04:23:06,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:23:06,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583028638] [2022-10-16 04:23:06,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:23:06,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:23:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:06,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:23:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:06,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 04:23:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:06,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 04:23:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:06,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:23:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:06,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 04:23:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:06,827 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 04:23:06,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:23:06,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583028638] [2022-10-16 04:23:06,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583028638] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:23:06,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:23:06,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:23:06,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197919758] [2022-10-16 04:23:06,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:23:06,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:23:06,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:23:06,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:23:06,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:23:06,831 INFO L87 Difference]: Start difference. First operand 52351 states and 86321 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:23:09,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:23:09,928 INFO L93 Difference]: Finished difference Result 146809 states and 243267 transitions. [2022-10-16 04:23:09,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:23:09,929 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 111 [2022-10-16 04:23:09,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:23:11,098 INFO L225 Difference]: With dead ends: 146809 [2022-10-16 04:23:11,098 INFO L226 Difference]: Without dead ends: 146809 [2022-10-16 04:23:11,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-10-16 04:23:11,101 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 1049 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 1522 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1069 SdHoareTripleChecker+Valid, 1172 SdHoareTripleChecker+Invalid, 1622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:23:11,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1069 Valid, 1172 Invalid, 1622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1522 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 04:23:11,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146809 states. [2022-10-16 04:23:14,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146809 to 104192. [2022-10-16 04:23:14,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104192 states, 93924 states have (on average 1.5438226651335123) internal successors, (145002), 94438 states have internal predecessors, (145002), 6676 states have call successors, (6676), 3078 states have call predecessors, (6676), 3590 states have return successors, (26871), 7187 states have call predecessors, (26871), 6676 states have call successors, (26871) [2022-10-16 04:23:15,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104192 states to 104192 states and 178549 transitions. [2022-10-16 04:23:15,841 INFO L78 Accepts]: Start accepts. Automaton has 104192 states and 178549 transitions. Word has length 111 [2022-10-16 04:23:15,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:23:15,842 INFO L495 AbstractCegarLoop]: Abstraction has 104192 states and 178549 transitions. [2022-10-16 04:23:15,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:23:15,842 INFO L276 IsEmpty]: Start isEmpty. Operand 104192 states and 178549 transitions. [2022-10-16 04:23:15,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 04:23:15,950 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:23:15,950 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:23:15,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 04:23:15,951 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:23:15,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:23:15,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1330997901, now seen corresponding path program 1 times [2022-10-16 04:23:15,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:23:15,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118026776] [2022-10-16 04:23:15,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:23:15,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:23:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:16,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:23:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:16,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 04:23:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:16,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 04:23:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:16,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:23:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:16,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 04:23:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:16,238 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 04:23:16,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:23:16,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118026776] [2022-10-16 04:23:16,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118026776] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:23:16,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:23:16,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:23:16,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362522802] [2022-10-16 04:23:16,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:23:16,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:23:16,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:23:16,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:23:16,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:23:16,242 INFO L87 Difference]: Start difference. First operand 104192 states and 178549 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:23:21,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:23:21,379 INFO L93 Difference]: Finished difference Result 276341 states and 479489 transitions. [2022-10-16 04:23:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:23:21,380 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 111 [2022-10-16 04:23:21,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:23:23,399 INFO L225 Difference]: With dead ends: 276341 [2022-10-16 04:23:23,399 INFO L226 Difference]: Without dead ends: 276341 [2022-10-16 04:23:23,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-10-16 04:23:23,400 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 915 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 1673 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 935 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 1751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:23:23,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [935 Valid, 1645 Invalid, 1751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1673 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 04:23:23,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276341 states. [2022-10-16 04:23:29,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276341 to 208130. [2022-10-16 04:23:29,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208130 states, 188134 states have (on average 1.5477372511082526) internal successors, (291182), 189160 states have internal predecessors, (291182), 12820 states have call successors, (12820), 6150 states have call predecessors, (12820), 7174 states have return successors, (72893), 13843 states have call predecessors, (72893), 12820 states have call successors, (72893) [2022-10-16 04:23:32,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208130 states to 208130 states and 376895 transitions. [2022-10-16 04:23:32,892 INFO L78 Accepts]: Start accepts. Automaton has 208130 states and 376895 transitions. Word has length 111 [2022-10-16 04:23:32,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:23:32,892 INFO L495 AbstractCegarLoop]: Abstraction has 208130 states and 376895 transitions. [2022-10-16 04:23:32,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:23:32,893 INFO L276 IsEmpty]: Start isEmpty. Operand 208130 states and 376895 transitions. [2022-10-16 04:23:33,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 04:23:33,071 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:23:33,071 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:23:33,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 04:23:33,072 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:23:33,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:23:33,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1639113201, now seen corresponding path program 1 times [2022-10-16 04:23:33,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:23:33,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045493298] [2022-10-16 04:23:33,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:23:33,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:23:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:33,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:23:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:33,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 04:23:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:33,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 04:23:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:33,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:23:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:33,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 04:23:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:23:33,318 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 04:23:33,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:23:33,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045493298] [2022-10-16 04:23:33,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045493298] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:23:33,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:23:33,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:23:33,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460359837] [2022-10-16 04:23:33,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:23:33,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:23:33,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:23:33,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:23:33,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:23:33,322 INFO L87 Difference]: Start difference. First operand 208130 states and 376895 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:23:40,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:23:40,387 INFO L93 Difference]: Finished difference Result 533875 states and 987727 transitions. [2022-10-16 04:23:40,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:23:40,387 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 111 [2022-10-16 04:23:40,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:23:43,321 INFO L225 Difference]: With dead ends: 533875 [2022-10-16 04:23:43,321 INFO L226 Difference]: Without dead ends: 533875 [2022-10-16 04:23:43,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-10-16 04:23:43,322 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 860 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 1766 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 872 SdHoareTripleChecker+Valid, 1653 SdHoareTripleChecker+Invalid, 1839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:23:43,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [872 Valid, 1653 Invalid, 1839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1766 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 04:23:43,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533875 states. [2022-10-16 04:23:58,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533875 to 415491. [2022-10-16 04:23:59,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415491 states, 376551 states have (on average 1.5510462062243893) internal successors, (584048), 378601 states have internal predecessors, (584048), 24596 states have call successors, (24596), 12294 states have call predecessors, (24596), 14342 states have return successors, (203791), 26643 states have call predecessors, (203791), 24596 states have call successors, (203791) [2022-10-16 04:24:03,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415491 states to 415491 states and 812435 transitions. [2022-10-16 04:24:03,569 INFO L78 Accepts]: Start accepts. Automaton has 415491 states and 812435 transitions. Word has length 111 [2022-10-16 04:24:03,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:24:03,569 INFO L495 AbstractCegarLoop]: Abstraction has 415491 states and 812435 transitions. [2022-10-16 04:24:03,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 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 04:24:03,570 INFO L276 IsEmpty]: Start isEmpty. Operand 415491 states and 812435 transitions. [2022-10-16 04:24:04,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 04:24:04,437 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:24:04,437 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:24:04,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 04:24:04,439 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:24:04,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:24:04,440 INFO L85 PathProgramCache]: Analyzing trace with hash -72355251, now seen corresponding path program 1 times [2022-10-16 04:24:04,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:24:04,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146930991] [2022-10-16 04:24:04,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:24:04,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:24:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:04,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:24:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:04,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 04:24:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:04,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 04:24:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:04,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:24:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:04,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 04:24:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:04,695 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 04:24:04,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:24:04,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146930991] [2022-10-16 04:24:04,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146930991] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:24:04,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:24:04,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 04:24:04,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825381956] [2022-10-16 04:24:04,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:24:04,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 04:24:04,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:24:04,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 04:24:04,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 04:24:04,701 INFO L87 Difference]: Start difference. First operand 415491 states and 812435 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 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 04:24:16,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:24:16,182 INFO L93 Difference]: Finished difference Result 773790 states and 1405147 transitions. [2022-10-16 04:24:16,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 04:24:16,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 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 111 [2022-10-16 04:24:16,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:24:20,678 INFO L225 Difference]: With dead ends: 773790 [2022-10-16 04:24:20,678 INFO L226 Difference]: Without dead ends: 773790 [2022-10-16 04:24:20,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:24:20,679 INFO L413 NwaCegarLoop]: 698 mSDtfsCounter, 1113 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 1384 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 1426 SdHoareTripleChecker+Invalid, 1487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:24:20,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1146 Valid, 1426 Invalid, 1487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1384 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 04:24:21,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773790 states. [2022-10-16 04:24:41,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773790 to 621228. [2022-10-16 04:24:43,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 621228 states, 562298 states have (on average 1.5425841813415662) internal successors, (867392), 566397 states have internal predecessors, (867392), 37412 states have call successors, (37412), 18444 states have call predecessors, (37412), 21516 states have return successors, (275657), 38434 states have call predecessors, (275657), 37412 states have call successors, (275657) [2022-10-16 04:24:51,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621228 states to 621228 states and 1180461 transitions. [2022-10-16 04:24:51,615 INFO L78 Accepts]: Start accepts. Automaton has 621228 states and 1180461 transitions. Word has length 111 [2022-10-16 04:24:51,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:24:51,617 INFO L495 AbstractCegarLoop]: Abstraction has 621228 states and 1180461 transitions. [2022-10-16 04:24:51,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 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 04:24:51,618 INFO L276 IsEmpty]: Start isEmpty. Operand 621228 states and 1180461 transitions. [2022-10-16 04:24:54,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-10-16 04:24:54,805 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:24:54,806 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:24:54,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 04:24:54,806 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:24:54,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:24:54,807 INFO L85 PathProgramCache]: Analyzing trace with hash -254908342, now seen corresponding path program 1 times [2022-10-16 04:24:54,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:24:54,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69348202] [2022-10-16 04:24:54,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:24:54,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:24:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:55,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 04:24:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:55,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 04:24:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:55,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 04:24:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:55,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 04:24:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:55,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 04:24:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:55,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-10-16 04:24:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:55,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 04:24:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:55,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-10-16 04:24:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:55,952 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 04:24:55,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:24:55,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69348202] [2022-10-16 04:24:55,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69348202] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:24:55,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235951391] [2022-10-16 04:24:55,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:24:55,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:24:55,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:24:55,977 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 04:24:56,014 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 04:24:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:24:56,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 04:24:56,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:24:56,403 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-16 04:24:56,404 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:24:56,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235951391] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:24:56,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:24:56,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-10-16 04:24:56,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267915018] [2022-10-16 04:24:56,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:24:56,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:24:56,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:24:56,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:24:56,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:24:56,407 INFO L87 Difference]: Start difference. First operand 621228 states and 1180461 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 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)