./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label01.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 339d0df57823aa1bea53354295970ed66e6abc60d457d19cd7cfd0d27ddbb8a9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 09:12:48,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 09:12:48,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 09:12:49,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 09:12:49,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 09:12:49,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 09:12:49,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 09:12:49,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 09:12:49,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 09:12:49,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 09:12:49,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 09:12:49,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 09:12:49,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 09:12:49,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 09:12:49,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 09:12:49,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 09:12:49,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 09:12:49,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 09:12:49,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 09:12:49,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 09:12:49,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 09:12:49,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 09:12:49,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 09:12:49,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 09:12:49,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 09:12:49,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 09:12:49,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 09:12:49,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 09:12:49,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 09:12:49,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 09:12:49,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 09:12:49,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 09:12:49,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 09:12:49,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 09:12:49,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 09:12:49,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 09:12:49,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 09:12:49,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 09:12:49,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 09:12:49,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 09:12:49,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 09:12:49,076 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-22 09:12:49,099 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 09:12:49,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 09:12:49,100 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 09:12:49,100 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 09:12:49,101 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 09:12:49,101 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 09:12:49,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 09:12:49,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 09:12:49,101 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 09:12:49,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 09:12:49,102 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 09:12:49,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 09:12:49,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 09:12:49,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 09:12:49,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 09:12:49,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 09:12:49,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 09:12:49,103 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 09:12:49,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 09:12:49,104 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 09:12:49,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 09:12:49,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 09:12:49,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 09:12:49,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 09:12:49,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 09:12:49,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 09:12:49,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 09:12:49,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 09:12:49,106 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 09:12:49,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 09:12:49,106 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 09:12:49,106 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 09:12:49,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 09:12:49,106 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 09:12:49,107 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 339d0df57823aa1bea53354295970ed66e6abc60d457d19cd7cfd0d27ddbb8a9 [2021-12-22 09:12:49,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 09:12:49,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 09:12:49,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 09:12:49,341 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 09:12:49,342 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 09:12:49,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label01.c [2021-12-22 09:12:49,398 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3add0591b/99cfc8b083f24c388f1ca4652d60389c/FLAG211fd3e59 [2021-12-22 09:12:49,846 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 09:12:49,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label01.c [2021-12-22 09:12:49,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3add0591b/99cfc8b083f24c388f1ca4652d60389c/FLAG211fd3e59 [2021-12-22 09:12:49,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3add0591b/99cfc8b083f24c388f1ca4652d60389c [2021-12-22 09:12:49,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 09:12:49,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 09:12:49,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 09:12:49,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 09:12:49,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 09:12:49,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 09:12:49" (1/1) ... [2021-12-22 09:12:49,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eab9efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:49, skipping insertion in model container [2021-12-22 09:12:49,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 09:12:49" (1/1) ... [2021-12-22 09:12:49,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 09:12:49,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 09:12:50,186 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/eca-rers2012/Problem11_label01.c[8261,8274] [2021-12-22 09:12:50,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 09:12:50,308 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 09:12:50,323 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/eca-rers2012/Problem11_label01.c[8261,8274] [2021-12-22 09:12:50,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 09:12:50,417 INFO L208 MainTranslator]: Completed translation [2021-12-22 09:12:50,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:50 WrapperNode [2021-12-22 09:12:50,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 09:12:50,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 09:12:50,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 09:12:50,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 09:12:50,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:50" (1/1) ... [2021-12-22 09:12:50,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:50" (1/1) ... [2021-12-22 09:12:50,531 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-12-22 09:12:50,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 09:12:50,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 09:12:50,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 09:12:50,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 09:12:50,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:50" (1/1) ... [2021-12-22 09:12:50,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:50" (1/1) ... [2021-12-22 09:12:50,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:50" (1/1) ... [2021-12-22 09:12:50,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:50" (1/1) ... [2021-12-22 09:12:50,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:50" (1/1) ... [2021-12-22 09:12:50,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:50" (1/1) ... [2021-12-22 09:12:50,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:50" (1/1) ... [2021-12-22 09:12:50,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 09:12:50,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 09:12:50,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 09:12:50,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 09:12:50,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:50" (1/1) ... [2021-12-22 09:12:50,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 09:12:50,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 09:12:50,655 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) [2021-12-22 09:12:50,673 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 [2021-12-22 09:12:50,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 09:12:50,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 09:12:50,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 09:12:50,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 09:12:50,739 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 09:12:50,740 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 09:12:51,707 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 09:12:51,716 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 09:12:51,716 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 09:12:51,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 09:12:51 BoogieIcfgContainer [2021-12-22 09:12:51,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 09:12:51,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 09:12:51,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 09:12:51,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 09:12:51,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 09:12:49" (1/3) ... [2021-12-22 09:12:51,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a167b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 09:12:51, skipping insertion in model container [2021-12-22 09:12:51,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:50" (2/3) ... [2021-12-22 09:12:51,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a167b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 09:12:51, skipping insertion in model container [2021-12-22 09:12:51,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 09:12:51" (3/3) ... [2021-12-22 09:12:51,727 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label01.c [2021-12-22 09:12:51,733 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 09:12:51,733 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 09:12:51,766 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 09:12:51,773 INFO L339 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=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 09:12:51,773 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 09:12:51,798 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:51,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-22 09:12:51,818 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:12:51,818 INFO L514 BasicCegarLoop]: 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] [2021-12-22 09:12:51,819 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:12:51,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:12:51,825 INFO L85 PathProgramCache]: Analyzing trace with hash -66916295, now seen corresponding path program 1 times [2021-12-22 09:12:51,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:12:51,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180526137] [2021-12-22 09:12:51,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:12:51,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:12:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:12:52,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 09:12:52,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:12:52,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180526137] [2021-12-22 09:12:52,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180526137] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:12:52,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:12:52,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 09:12:52,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649229734] [2021-12-22 09:12:52,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:12:52,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:12:52,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:12:52,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:12:52,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:52,110 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:52,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:12:52,988 INFO L93 Difference]: Finished difference Result 769 states and 1360 transitions. [2021-12-22 09:12:52,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:12:52,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-12-22 09:12:52,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:12:52,999 INFO L225 Difference]: With dead ends: 769 [2021-12-22 09:12:52,999 INFO L226 Difference]: Without dead ends: 422 [2021-12-22 09:12:53,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:53,006 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 183 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-22 09:12:53,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 163 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-22 09:12:53,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2021-12-22 09:12:53,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2021-12-22 09:12:53,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 411 states have (on average 1.5231143552311435) internal successors, (626), 411 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:53,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 626 transitions. [2021-12-22 09:12:53,071 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 626 transitions. Word has length 57 [2021-12-22 09:12:53,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:12:53,075 INFO L470 AbstractCegarLoop]: Abstraction has 412 states and 626 transitions. [2021-12-22 09:12:53,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:53,076 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 626 transitions. [2021-12-22 09:12:53,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-12-22 09:12:53,082 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:12:53,083 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:12:53,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 09:12:53,083 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:12:53,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:12:53,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1755373371, now seen corresponding path program 1 times [2021-12-22 09:12:53,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:12:53,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619963666] [2021-12-22 09:12:53,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:12:53,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:12:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:12:53,196 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 09:12:53,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:12:53,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619963666] [2021-12-22 09:12:53,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619963666] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:12:53,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:12:53,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 09:12:53,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663221196] [2021-12-22 09:12:53,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:12:53,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:12:53,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:12:53,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:12:53,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:53,200 INFO L87 Difference]: Start difference. First operand 412 states and 626 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:53,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:12:53,811 INFO L93 Difference]: Finished difference Result 1194 states and 1821 transitions. [2021-12-22 09:12:53,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:12:53,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-12-22 09:12:53,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:12:53,814 INFO L225 Difference]: With dead ends: 1194 [2021-12-22 09:12:53,814 INFO L226 Difference]: Without dead ends: 784 [2021-12-22 09:12:53,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:53,816 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 175 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:12:53,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 154 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:12:53,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2021-12-22 09:12:53,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 784. [2021-12-22 09:12:53,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 783 states have (on average 1.3742017879948913) internal successors, (1076), 783 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:53,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1076 transitions. [2021-12-22 09:12:53,848 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1076 transitions. Word has length 123 [2021-12-22 09:12:53,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:12:53,848 INFO L470 AbstractCegarLoop]: Abstraction has 784 states and 1076 transitions. [2021-12-22 09:12:53,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:53,849 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1076 transitions. [2021-12-22 09:12:53,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-22 09:12:53,850 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:12:53,850 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:12:53,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 09:12:53,850 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:12:53,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:12:53,851 INFO L85 PathProgramCache]: Analyzing trace with hash 507178309, now seen corresponding path program 1 times [2021-12-22 09:12:53,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:12:53,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372512839] [2021-12-22 09:12:53,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:12:53,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:12:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:12:53,978 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 09:12:53,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:12:53,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372512839] [2021-12-22 09:12:53,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372512839] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:12:53,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:12:53,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 09:12:53,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155747256] [2021-12-22 09:12:53,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:12:53,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:12:53,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:12:53,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:12:53,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:53,982 INFO L87 Difference]: Start difference. First operand 784 states and 1076 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:54,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:12:54,638 INFO L93 Difference]: Finished difference Result 1936 states and 2599 transitions. [2021-12-22 09:12:54,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:12:54,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2021-12-22 09:12:54,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:12:54,642 INFO L225 Difference]: With dead ends: 1936 [2021-12-22 09:12:54,642 INFO L226 Difference]: Without dead ends: 1154 [2021-12-22 09:12:54,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:54,646 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:12:54,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:12:54,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2021-12-22 09:12:54,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1153. [2021-12-22 09:12:54,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1152 states have (on average 1.2699652777777777) internal successors, (1463), 1152 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:54,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1463 transitions. [2021-12-22 09:12:54,668 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1463 transitions. Word has length 127 [2021-12-22 09:12:54,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:12:54,669 INFO L470 AbstractCegarLoop]: Abstraction has 1153 states and 1463 transitions. [2021-12-22 09:12:54,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:54,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1463 transitions. [2021-12-22 09:12:54,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-12-22 09:12:54,672 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:12:54,672 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:12:54,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 09:12:54,673 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:12:54,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:12:54,673 INFO L85 PathProgramCache]: Analyzing trace with hash -484941956, now seen corresponding path program 1 times [2021-12-22 09:12:54,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:12:54,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238295406] [2021-12-22 09:12:54,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:12:54,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:12:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:12:54,765 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 09:12:54,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:12:54,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238295406] [2021-12-22 09:12:54,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238295406] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:12:54,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:12:54,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:12:54,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436405534] [2021-12-22 09:12:54,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:12:54,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:12:54,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:12:54,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:12:54,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:54,767 INFO L87 Difference]: Start difference. First operand 1153 states and 1463 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:55,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:12:55,313 INFO L93 Difference]: Finished difference Result 2679 states and 3481 transitions. [2021-12-22 09:12:55,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:12:55,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 169 [2021-12-22 09:12:55,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:12:55,319 INFO L225 Difference]: With dead ends: 2679 [2021-12-22 09:12:55,319 INFO L226 Difference]: Without dead ends: 1712 [2021-12-22 09:12:55,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:55,321 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 149 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 09:12:55,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 332 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 09:12:55,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2021-12-22 09:12:55,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1521. [2021-12-22 09:12:55,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1520 states have (on average 1.255921052631579) internal successors, (1909), 1520 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:55,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 1909 transitions. [2021-12-22 09:12:55,343 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 1909 transitions. Word has length 169 [2021-12-22 09:12:55,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:12:55,343 INFO L470 AbstractCegarLoop]: Abstraction has 1521 states and 1909 transitions. [2021-12-22 09:12:55,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:55,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1909 transitions. [2021-12-22 09:12:55,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-12-22 09:12:55,346 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:12:55,346 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:12:55,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 09:12:55,346 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:12:55,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:12:55,347 INFO L85 PathProgramCache]: Analyzing trace with hash -524745144, now seen corresponding path program 1 times [2021-12-22 09:12:55,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:12:55,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337430367] [2021-12-22 09:12:55,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:12:55,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:12:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:12:55,434 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-22 09:12:55,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:12:55,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337430367] [2021-12-22 09:12:55,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337430367] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:12:55,435 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:12:55,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:12:55,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508011979] [2021-12-22 09:12:55,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:12:55,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:12:55,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:12:55,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:12:55,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:55,437 INFO L87 Difference]: Start difference. First operand 1521 states and 1909 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:56,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:12:56,037 INFO L93 Difference]: Finished difference Result 4145 states and 5277 transitions. [2021-12-22 09:12:56,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:12:56,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-12-22 09:12:56,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:12:56,046 INFO L225 Difference]: With dead ends: 4145 [2021-12-22 09:12:56,046 INFO L226 Difference]: Without dead ends: 2626 [2021-12-22 09:12:56,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:56,049 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 150 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:12:56,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 348 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:12:56,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2626 states. [2021-12-22 09:12:56,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2626 to 2626. [2021-12-22 09:12:56,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2626 states, 2625 states have (on average 1.211809523809524) internal successors, (3181), 2625 states have internal predecessors, (3181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:56,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2626 states to 2626 states and 3181 transitions. [2021-12-22 09:12:56,086 INFO L78 Accepts]: Start accepts. Automaton has 2626 states and 3181 transitions. Word has length 239 [2021-12-22 09:12:56,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:12:56,086 INFO L470 AbstractCegarLoop]: Abstraction has 2626 states and 3181 transitions. [2021-12-22 09:12:56,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:56,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2626 states and 3181 transitions. [2021-12-22 09:12:56,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-12-22 09:12:56,090 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:12:56,090 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 09:12:56,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 09:12:56,091 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:12:56,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:12:56,091 INFO L85 PathProgramCache]: Analyzing trace with hash 855320009, now seen corresponding path program 1 times [2021-12-22 09:12:56,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:12:56,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528722423] [2021-12-22 09:12:56,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:12:56,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:12:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:12:56,207 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-12-22 09:12:56,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:12:56,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528722423] [2021-12-22 09:12:56,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528722423] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:12:56,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:12:56,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:12:56,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105632045] [2021-12-22 09:12:56,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:12:56,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:12:56,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:12:56,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:12:56,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:56,210 INFO L87 Difference]: Start difference. First operand 2626 states and 3181 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:56,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:12:56,815 INFO L93 Difference]: Finished difference Result 5990 states and 7353 transitions. [2021-12-22 09:12:56,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:12:56,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 275 [2021-12-22 09:12:56,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:12:56,824 INFO L225 Difference]: With dead ends: 5990 [2021-12-22 09:12:56,824 INFO L226 Difference]: Without dead ends: 3366 [2021-12-22 09:12:56,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:56,829 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 144 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:12:56,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 361 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:12:56,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3366 states. [2021-12-22 09:12:56,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3366 to 3361. [2021-12-22 09:12:56,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3361 states, 3360 states have (on average 1.2026785714285715) internal successors, (4041), 3360 states have internal predecessors, (4041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:56,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3361 states to 3361 states and 4041 transitions. [2021-12-22 09:12:56,885 INFO L78 Accepts]: Start accepts. Automaton has 3361 states and 4041 transitions. Word has length 275 [2021-12-22 09:12:56,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:12:56,885 INFO L470 AbstractCegarLoop]: Abstraction has 3361 states and 4041 transitions. [2021-12-22 09:12:56,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:56,885 INFO L276 IsEmpty]: Start isEmpty. Operand 3361 states and 4041 transitions. [2021-12-22 09:12:56,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-12-22 09:12:56,889 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:12:56,889 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 09:12:56,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 09:12:56,890 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:12:56,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:12:56,890 INFO L85 PathProgramCache]: Analyzing trace with hash 687085333, now seen corresponding path program 1 times [2021-12-22 09:12:56,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:12:56,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931563840] [2021-12-22 09:12:56,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:12:56,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:12:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:12:57,012 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-12-22 09:12:57,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:12:57,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931563840] [2021-12-22 09:12:57,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931563840] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:12:57,013 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:12:57,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:12:57,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191478424] [2021-12-22 09:12:57,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:12:57,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:12:57,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:12:57,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:12:57,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:57,015 INFO L87 Difference]: Start difference. First operand 3361 states and 4041 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:57,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:12:57,541 INFO L93 Difference]: Finished difference Result 8381 states and 9936 transitions. [2021-12-22 09:12:57,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:12:57,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 279 [2021-12-22 09:12:57,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:12:57,555 INFO L225 Difference]: With dead ends: 8381 [2021-12-22 09:12:57,555 INFO L226 Difference]: Without dead ends: 5022 [2021-12-22 09:12:57,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:57,559 INFO L933 BasicCegarLoop]: 360 mSDtfsCounter, 162 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 09:12:57,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 389 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 09:12:57,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5022 states. [2021-12-22 09:12:57,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5022 to 5021. [2021-12-22 09:12:57,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5021 states, 5020 states have (on average 1.1741035856573705) internal successors, (5894), 5020 states have internal predecessors, (5894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:57,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5021 states to 5021 states and 5894 transitions. [2021-12-22 09:12:57,628 INFO L78 Accepts]: Start accepts. Automaton has 5021 states and 5894 transitions. Word has length 279 [2021-12-22 09:12:57,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:12:57,628 INFO L470 AbstractCegarLoop]: Abstraction has 5021 states and 5894 transitions. [2021-12-22 09:12:57,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:57,629 INFO L276 IsEmpty]: Start isEmpty. Operand 5021 states and 5894 transitions. [2021-12-22 09:12:57,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2021-12-22 09:12:57,635 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:12:57,635 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 09:12:57,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 09:12:57,636 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:12:57,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:12:57,637 INFO L85 PathProgramCache]: Analyzing trace with hash 2005446061, now seen corresponding path program 1 times [2021-12-22 09:12:57,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:12:57,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754409748] [2021-12-22 09:12:57,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:12:57,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:12:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:12:57,802 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2021-12-22 09:12:57,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:12:57,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754409748] [2021-12-22 09:12:57,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754409748] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:12:57,803 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:12:57,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:12:57,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26195864] [2021-12-22 09:12:57,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:12:57,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:12:57,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:12:57,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:12:57,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:57,804 INFO L87 Difference]: Start difference. First operand 5021 states and 5894 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:58,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:12:58,310 INFO L93 Difference]: Finished difference Result 9670 states and 11404 transitions. [2021-12-22 09:12:58,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:12:58,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 377 [2021-12-22 09:12:58,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:12:58,321 INFO L225 Difference]: With dead ends: 9670 [2021-12-22 09:12:58,322 INFO L226 Difference]: Without dead ends: 5019 [2021-12-22 09:12:58,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:58,326 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 178 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 09:12:58,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 303 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 09:12:58,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5019 states. [2021-12-22 09:12:58,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5019 to 5019. [2021-12-22 09:12:58,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5019 states, 5018 states have (on average 1.143682742128338) internal successors, (5739), 5018 states have internal predecessors, (5739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:58,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5019 states to 5019 states and 5739 transitions. [2021-12-22 09:12:58,385 INFO L78 Accepts]: Start accepts. Automaton has 5019 states and 5739 transitions. Word has length 377 [2021-12-22 09:12:58,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:12:58,385 INFO L470 AbstractCegarLoop]: Abstraction has 5019 states and 5739 transitions. [2021-12-22 09:12:58,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:58,386 INFO L276 IsEmpty]: Start isEmpty. Operand 5019 states and 5739 transitions. [2021-12-22 09:12:58,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-12-22 09:12:58,393 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:12:58,393 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 09:12:58,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-22 09:12:58,394 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:12:58,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:12:58,394 INFO L85 PathProgramCache]: Analyzing trace with hash -586877346, now seen corresponding path program 1 times [2021-12-22 09:12:58,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:12:58,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879042119] [2021-12-22 09:12:58,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:12:58,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:12:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:12:58,509 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-12-22 09:12:58,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:12:58,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879042119] [2021-12-22 09:12:58,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879042119] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:12:58,510 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:12:58,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:12:58,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682273511] [2021-12-22 09:12:58,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:12:58,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:12:58,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:12:58,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:12:58,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:58,512 INFO L87 Difference]: Start difference. First operand 5019 states and 5739 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:59,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:12:59,086 INFO L93 Difference]: Finished difference Result 10956 states and 12601 transitions. [2021-12-22 09:12:59,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:12:59,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 382 [2021-12-22 09:12:59,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:12:59,102 INFO L225 Difference]: With dead ends: 10956 [2021-12-22 09:12:59,102 INFO L226 Difference]: Without dead ends: 6307 [2021-12-22 09:12:59,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:59,108 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 162 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 09:12:59,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 307 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 09:12:59,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6307 states. [2021-12-22 09:12:59,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6307 to 5387. [2021-12-22 09:12:59,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5387 states, 5386 states have (on average 1.1438915707389528) internal successors, (6161), 5386 states have internal predecessors, (6161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:59,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5387 states to 5387 states and 6161 transitions. [2021-12-22 09:12:59,179 INFO L78 Accepts]: Start accepts. Automaton has 5387 states and 6161 transitions. Word has length 382 [2021-12-22 09:12:59,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:12:59,180 INFO L470 AbstractCegarLoop]: Abstraction has 5387 states and 6161 transitions. [2021-12-22 09:12:59,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:59,180 INFO L276 IsEmpty]: Start isEmpty. Operand 5387 states and 6161 transitions. [2021-12-22 09:12:59,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2021-12-22 09:12:59,188 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:12:59,189 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:12:59,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-22 09:12:59,189 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:12:59,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:12:59,190 INFO L85 PathProgramCache]: Analyzing trace with hash -193815470, now seen corresponding path program 1 times [2021-12-22 09:12:59,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:12:59,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706089002] [2021-12-22 09:12:59,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:12:59,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:12:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:12:59,315 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-12-22 09:12:59,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:12:59,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706089002] [2021-12-22 09:12:59,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706089002] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:12:59,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:12:59,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:12:59,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338278275] [2021-12-22 09:12:59,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:12:59,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:12:59,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:12:59,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:12:59,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:59,318 INFO L87 Difference]: Start difference. First operand 5387 states and 6161 transitions. Second operand has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:59,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:12:59,903 INFO L93 Difference]: Finished difference Result 11335 states and 13028 transitions. [2021-12-22 09:12:59,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:12:59,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 429 [2021-12-22 09:12:59,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:12:59,928 INFO L225 Difference]: With dead ends: 11335 [2021-12-22 09:12:59,929 INFO L226 Difference]: Without dead ends: 6318 [2021-12-22 09:12:59,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:59,934 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 67 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 09:12:59,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 186 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 09:12:59,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6318 states. [2021-12-22 09:12:59,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6318 to 6307. [2021-12-22 09:13:00,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6307 states, 6306 states have (on average 1.1390738978750397) internal successors, (7183), 6306 states have internal predecessors, (7183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:00,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6307 states to 6307 states and 7183 transitions. [2021-12-22 09:13:00,012 INFO L78 Accepts]: Start accepts. Automaton has 6307 states and 7183 transitions. Word has length 429 [2021-12-22 09:13:00,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:00,013 INFO L470 AbstractCegarLoop]: Abstraction has 6307 states and 7183 transitions. [2021-12-22 09:13:00,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:00,013 INFO L276 IsEmpty]: Start isEmpty. Operand 6307 states and 7183 transitions. [2021-12-22 09:13:00,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-12-22 09:13:00,023 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:00,024 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:00,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-22 09:13:00,024 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:00,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:00,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1842917571, now seen corresponding path program 1 times [2021-12-22 09:13:00,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:00,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523149324] [2021-12-22 09:13:00,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:00,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:00,182 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 510 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2021-12-22 09:13:00,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:00,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523149324] [2021-12-22 09:13:00,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523149324] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:00,183 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:00,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:00,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266489342] [2021-12-22 09:13:00,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:00,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:00,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:00,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:00,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:00,185 INFO L87 Difference]: Start difference. First operand 6307 states and 7183 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:00,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:00,818 INFO L93 Difference]: Finished difference Result 14267 states and 16367 transitions. [2021-12-22 09:13:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:00,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 482 [2021-12-22 09:13:00,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:00,832 INFO L225 Difference]: With dead ends: 14267 [2021-12-22 09:13:00,832 INFO L226 Difference]: Without dead ends: 7962 [2021-12-22 09:13:00,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:00,838 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 64 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:00,839 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 362 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:13:00,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7962 states. [2021-12-22 09:13:00,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7962 to 7962. [2021-12-22 09:13:00,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7962 states, 7961 states have (on average 1.134530837834443) internal successors, (9032), 7961 states have internal predecessors, (9032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:00,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7962 states to 7962 states and 9032 transitions. [2021-12-22 09:13:00,942 INFO L78 Accepts]: Start accepts. Automaton has 7962 states and 9032 transitions. Word has length 482 [2021-12-22 09:13:00,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:00,943 INFO L470 AbstractCegarLoop]: Abstraction has 7962 states and 9032 transitions. [2021-12-22 09:13:00,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:00,943 INFO L276 IsEmpty]: Start isEmpty. Operand 7962 states and 9032 transitions. [2021-12-22 09:13:00,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2021-12-22 09:13:00,957 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:00,957 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:00,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-22 09:13:00,958 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:00,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:00,958 INFO L85 PathProgramCache]: Analyzing trace with hash 564603918, now seen corresponding path program 1 times [2021-12-22 09:13:00,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:00,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290755552] [2021-12-22 09:13:00,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:00,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:01,096 INFO L134 CoverageAnalysis]: Checked inductivity of 817 backedges. 576 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2021-12-22 09:13:01,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:01,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290755552] [2021-12-22 09:13:01,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290755552] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:01,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:01,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:01,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552056125] [2021-12-22 09:13:01,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:01,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:01,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:01,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:01,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:01,098 INFO L87 Difference]: Start difference. First operand 7962 states and 9032 transitions. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:01,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:01,685 INFO L93 Difference]: Finished difference Result 18513 states and 21042 transitions. [2021-12-22 09:13:01,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:01,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 517 [2021-12-22 09:13:01,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:01,701 INFO L225 Difference]: With dead ends: 18513 [2021-12-22 09:13:01,701 INFO L226 Difference]: Without dead ends: 10921 [2021-12-22 09:13:01,709 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:01,710 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 139 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:01,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 129 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 09:13:01,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10921 states. [2021-12-22 09:13:01,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10921 to 10735. [2021-12-22 09:13:01,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10735 states, 10734 states have (on average 1.1191540898080865) internal successors, (12013), 10734 states have internal predecessors, (12013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:01,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10735 states to 10735 states and 12013 transitions. [2021-12-22 09:13:01,868 INFO L78 Accepts]: Start accepts. Automaton has 10735 states and 12013 transitions. Word has length 517 [2021-12-22 09:13:01,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:01,869 INFO L470 AbstractCegarLoop]: Abstraction has 10735 states and 12013 transitions. [2021-12-22 09:13:01,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:01,869 INFO L276 IsEmpty]: Start isEmpty. Operand 10735 states and 12013 transitions. [2021-12-22 09:13:01,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2021-12-22 09:13:01,883 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:01,883 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:01,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-22 09:13:01,884 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:01,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:01,884 INFO L85 PathProgramCache]: Analyzing trace with hash 2022109607, now seen corresponding path program 1 times [2021-12-22 09:13:01,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:01,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977770918] [2021-12-22 09:13:01,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:01,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:02,084 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 300 proven. 406 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-12-22 09:13:02,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:02,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977770918] [2021-12-22 09:13:02,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977770918] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 09:13:02,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473973114] [2021-12-22 09:13:02,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:02,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 09:13:02,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 09:13:02,087 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) [2021-12-22 09:13:02,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 09:13:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:02,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 09:13:02,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 09:13:03,030 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2021-12-22 09:13:03,030 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 09:13:03,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473973114] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:03,031 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 09:13:03,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-22 09:13:03,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457908485] [2021-12-22 09:13:03,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:03,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:03,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:03,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:03,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-22 09:13:03,032 INFO L87 Difference]: Start difference. First operand 10735 states and 12013 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:03,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:03,713 INFO L93 Difference]: Finished difference Result 12391 states and 13833 transitions. [2021-12-22 09:13:03,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:03,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 527 [2021-12-22 09:13:03,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:03,715 INFO L225 Difference]: With dead ends: 12391 [2021-12-22 09:13:03,715 INFO L226 Difference]: Without dead ends: 0 [2021-12-22 09:13:03,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 526 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-22 09:13:03,723 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 164 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:03,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 143 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:13:03,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-22 09:13:03,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-22 09:13:03,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:03,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-22 09:13:03,724 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 527 [2021-12-22 09:13:03,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:03,724 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 09:13:03,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:03,725 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-22 09:13:03,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-22 09:13:03,726 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-22 09:13:03,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-22 09:13:03,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-22 09:13:03,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-22 09:13:04,694 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-12-22 09:13:04,694 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,694 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-12-22 09:13:04,694 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,694 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,694 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,694 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,694 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,694 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,695 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-22 09:13:04,695 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-12-22 09:13:04,695 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-12-22 09:13:04,695 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,695 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,695 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,695 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,695 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,695 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,695 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,695 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,695 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,695 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,695 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-22 09:13:04,695 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-12-22 09:13:04,695 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-12-22 09:13:04,695 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,695 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-12-22 09:13:04,695 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-12-22 09:13:04,696 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,696 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,696 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,696 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,696 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,696 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,696 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-22 09:13:04,696 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-12-22 09:13:04,696 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-12-22 09:13:04,696 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,696 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,696 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,696 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse0 (= ~a4~0 1))) (let ((.cse1 (not .cse0))) (or (= ~a25~0 12) (and (< 0 (+ (div (+ ~a23~0 (- 139)) 83) 1)) .cse0) (and (<= (+ ~a23~0 43) 0) .cse1) (and (= ~a25~0 13) .cse1) (<= 246 ~a29~0) (and (<= ~a25~0 10) .cse0) (and .cse0 (not (<= ~a29~0 140))) (and (<= ~a29~0 220) .cse1)))) [2021-12-22 09:13:04,696 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,696 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-12-22 09:13:04,696 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-12-22 09:13:04,696 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,697 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,697 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,697 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,697 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,697 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,697 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-22 09:13:04,697 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-22 09:13:04,697 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-12-22 09:13:04,697 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-12-22 09:13:04,697 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,697 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,697 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,697 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,697 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,697 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,697 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,697 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-12-22 09:13:04,697 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-22 09:13:04,697 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-12-22 09:13:04,698 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,698 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,698 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,698 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,698 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,698 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,698 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,698 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,698 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,698 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-22 09:13:04,698 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-12-22 09:13:04,698 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-22 09:13:04,698 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,698 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse0 (= ~a4~0 1))) (let ((.cse1 (not .cse0))) (or (= ~a25~0 12) (and (< 0 (+ (div (+ ~a23~0 (- 139)) 83) 1)) .cse0) (and (<= (+ ~a23~0 43) 0) .cse1) (and (= ~a25~0 13) .cse1) (<= 246 ~a29~0) (and (<= ~a25~0 10) .cse0) (and .cse0 (not (<= ~a29~0 140))) (and (<= ~a29~0 220) .cse1)))) [2021-12-22 09:13:04,698 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,698 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,698 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,698 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,698 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,698 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,698 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,699 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,699 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-22 09:13:04,699 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-22 09:13:04,699 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-12-22 09:13:04,699 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-12-22 09:13:04,699 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-22 09:13:04,699 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-12-22 09:13:04,699 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-12-22 09:13:04,699 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,699 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,699 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,699 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,699 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,699 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,699 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,699 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,699 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,699 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,699 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-22 09:13:04,699 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,700 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,701 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,701 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,701 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-12-22 09:13:04,701 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-12-22 09:13:04,701 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,701 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,701 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-22 09:13:04,701 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-22 09:13:04,701 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-12-22 09:13:04,701 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-22 09:13:04,701 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2021-12-22 09:13:04,701 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,701 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,701 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,701 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,701 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,701 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,701 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,701 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-22 09:13:04,701 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,702 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,703 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,703 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,703 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-22 09:13:04,703 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-22 09:13:04,703 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-22 09:13:04,703 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,705 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,705 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,705 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,705 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,705 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,705 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,705 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,705 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-22 09:13:04,705 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-12-22 09:13:04,705 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-12-22 09:13:04,706 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,706 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,706 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,706 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,706 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,706 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,706 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,706 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,706 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,707 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,707 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,707 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-12-22 09:13:04,707 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-12-22 09:13:04,707 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-22 09:13:04,707 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-22 09:13:04,707 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-12-22 09:13:04,707 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,707 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,707 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,708 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,708 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,708 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,708 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,708 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-12-22 09:13:04,708 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-12-22 09:13:04,708 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-22 09:13:04,708 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,708 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,709 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,709 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-12-22 09:13:04,709 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-12-22 09:13:04,709 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,709 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,709 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,709 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,709 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,709 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-12-22 09:13:04,709 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-12-22 09:13:04,710 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,710 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,710 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-12-22 09:13:04,710 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-12-22 09:13:04,710 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,710 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-22 09:13:04,710 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,710 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,710 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,711 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,711 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,711 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-12-22 09:13:04,711 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-22 09:13:04,711 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-12-22 09:13:04,711 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-12-22 09:13:04,711 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,711 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,711 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,711 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,712 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,712 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,712 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,712 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,712 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-12-22 09:13:04,712 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-12-22 09:13:04,712 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-12-22 09:13:04,712 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-12-22 09:13:04,712 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-12-22 09:13:04,713 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-12-22 09:13:04,713 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,713 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,713 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,713 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,713 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,713 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,713 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,713 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-22 09:13:04,714 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-12-22 09:13:04,714 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-22 09:13:04,714 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,714 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,714 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,714 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,714 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,714 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,714 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-12-22 09:13:04,715 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-12-22 09:13:04,715 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,715 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,715 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,715 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,715 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,715 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,715 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,715 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-12-22 09:13:04,715 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:04,716 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,716 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,716 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-22 09:13:04,716 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-12-22 09:13:04,716 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-12-22 09:13:04,716 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-12-22 09:13:04,718 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:04,719 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-22 09:13:04,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 09:13:04 BoogieIcfgContainer [2021-12-22 09:13:04,731 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-22 09:13:04,731 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 09:13:04,731 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 09:13:04,732 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 09:13:04,732 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 09:12:51" (3/4) ... [2021-12-22 09:13:04,734 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-22 09:13:04,748 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-22 09:13:04,749 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-22 09:13:04,750 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-22 09:13:04,751 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-22 09:13:04,833 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-22 09:13:04,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 09:13:04,834 INFO L158 Benchmark]: Toolchain (without parser) took 14955.79ms. Allocated memory was 102.8MB in the beginning and 440.4MB in the end (delta: 337.6MB). Free memory was 62.3MB in the beginning and 209.8MB in the end (delta: -147.4MB). Peak memory consumption was 189.2MB. Max. memory is 16.1GB. [2021-12-22 09:13:04,834 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 09:13:04,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.12ms. Allocated memory was 102.8MB in the beginning and 161.5MB in the end (delta: 58.7MB). Free memory was 62.2MB in the beginning and 136.4MB in the end (delta: -74.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2021-12-22 09:13:04,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.06ms. Allocated memory is still 161.5MB. Free memory was 136.3MB in the beginning and 119.9MB in the end (delta: 16.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-12-22 09:13:04,835 INFO L158 Benchmark]: Boogie Preprocessor took 63.82ms. Allocated memory is still 161.5MB. Free memory was 119.9MB in the beginning and 110.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 09:13:04,835 INFO L158 Benchmark]: RCFGBuilder took 1122.64ms. Allocated memory is still 161.5MB. Free memory was 110.7MB in the beginning and 92.8MB in the end (delta: 17.9MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2021-12-22 09:13:04,835 INFO L158 Benchmark]: TraceAbstraction took 13010.80ms. Allocated memory was 161.5MB in the beginning and 440.4MB in the end (delta: 278.9MB). Free memory was 91.7MB in the beginning and 234.2MB in the end (delta: -142.5MB). Peak memory consumption was 236.0MB. Max. memory is 16.1GB. [2021-12-22 09:13:04,836 INFO L158 Benchmark]: Witness Printer took 101.90ms. Allocated memory is still 440.4MB. Free memory was 234.2MB in the beginning and 209.8MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-22 09:13:04,837 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.12ms. Allocated memory was 102.8MB in the beginning and 161.5MB in the end (delta: 58.7MB). Free memory was 62.2MB in the beginning and 136.4MB in the end (delta: -74.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.06ms. Allocated memory is still 161.5MB. Free memory was 136.3MB in the beginning and 119.9MB in the end (delta: 16.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.82ms. Allocated memory is still 161.5MB. Free memory was 119.9MB in the beginning and 110.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1122.64ms. Allocated memory is still 161.5MB. Free memory was 110.7MB in the beginning and 92.8MB in the end (delta: 17.9MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. * TraceAbstraction took 13010.80ms. Allocated memory was 161.5MB in the beginning and 440.4MB in the end (delta: 278.9MB). Free memory was 91.7MB in the beginning and 234.2MB in the end (delta: -142.5MB). Peak memory consumption was 236.0MB. Max. memory is 16.1GB. * Witness Printer took 101.90ms. Allocated memory is still 440.4MB. Free memory was 234.2MB in the beginning and 209.8MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 187]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.0s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1856 SdHoareTripleChecker+Valid, 7.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1856 mSDsluCounter, 3367 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 282 mSDsCounter, 1259 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7011 IncrementalHoareTripleChecker+Invalid, 8270 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1259 mSolverCounterUnsat, 3085 mSDtfsCounter, 7011 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 564 GetRequests, 547 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10735occurred in iteration=12, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 1325 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 143 NumberOfFragments, 123 HoareAnnotationTreeSize, 3 FomulaSimplifications, 276 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2646 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 4510 NumberOfCodeBlocks, 4510 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 4496 ConstructedInterpolants, 0 QuantifiedInterpolants, 8912 SizeOfPredicates, 1 NumberOfNonLiveVariables, 704 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 14 InterpolantComputations, 13 PerfectInterpolantSequences, 5007/5413 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((a25 == 12 || (0 < (a23 + -139) / 83 + 1 && a4 == 1)) || (a23 + 43 <= 0 && !(a4 == 1))) || (a25 == 13 && !(a4 == 1))) || 246 <= a29) || (a25 <= 10 && a4 == 1)) || (a4 == 1 && !(a29 <= 140))) || (a29 <= 220 && !(a4 == 1)) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((a25 == 12 || (0 < (a23 + -139) / 83 + 1 && a4 == 1)) || (a23 + 43 <= 0 && !(a4 == 1))) || (a25 == 13 && !(a4 == 1))) || 246 <= a29) || (a25 <= 10 && a4 == 1)) || (a4 == 1 && !(a29 <= 140))) || (a29 <= 220 && !(a4 == 1)) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-22 09:13:04,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE