./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label52.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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_label52.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 58258448060d1dd7e4bb5d8ae4d59fa53c9505b7e75cc42e4b9e13d20eabdbf0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 10:59:58,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 10:59:58,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 10:59:58,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 10:59:58,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 10:59:58,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 10:59:58,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 10:59:58,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 10:59:58,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 10:59:58,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 10:59:58,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 10:59:58,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 10:59:58,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 10:59:58,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 10:59:58,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 10:59:58,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 10:59:58,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 10:59:58,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 10:59:58,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 10:59:58,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 10:59:58,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 10:59:58,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 10:59:58,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 10:59:58,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 10:59:58,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 10:59:58,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 10:59:58,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 10:59:58,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 10:59:58,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 10:59:58,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 10:59:58,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 10:59:58,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 10:59:58,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 10:59:58,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 10:59:58,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 10:59:58,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 10:59:58,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 10:59:58,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 10:59:58,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 10:59:58,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 10:59:58,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 10:59:58,253 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 10:59:58,269 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 10:59:58,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 10:59:58,270 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 10:59:58,270 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 10:59:58,271 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 10:59:58,271 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 10:59:58,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 10:59:58,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 10:59:58,272 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 10:59:58,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 10:59:58,272 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 10:59:58,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 10:59:58,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 10:59:58,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 10:59:58,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 10:59:58,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 10:59:58,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 10:59:58,273 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 10:59:58,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 10:59:58,274 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 10:59:58,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 10:59:58,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 10:59:58,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 10:59:58,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 10:59:58,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:59:58,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 10:59:58,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 10:59:58,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 10:59:58,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 10:59:58,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 10:59:58,276 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 10:59:58,276 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 10:59:58,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 10:59:58,277 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 10:59:58,277 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58258448060d1dd7e4bb5d8ae4d59fa53c9505b7e75cc42e4b9e13d20eabdbf0 [2021-12-21 10:59:58,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 10:59:58,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 10:59:58,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 10:59:58,482 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 10:59:58,482 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 10:59:58,483 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label52.c [2021-12-21 10:59:58,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e07c3032b/4a99c964ecd54c4e8f9ed25ca47aa98b/FLAG5078c37f8 [2021-12-21 10:59:59,051 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 10:59:59,052 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label52.c [2021-12-21 10:59:59,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e07c3032b/4a99c964ecd54c4e8f9ed25ca47aa98b/FLAG5078c37f8 [2021-12-21 10:59:59,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e07c3032b/4a99c964ecd54c4e8f9ed25ca47aa98b [2021-12-21 10:59:59,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 10:59:59,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 10:59:59,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 10:59:59,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 10:59:59,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 10:59:59,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:59:59" (1/1) ... [2021-12-21 10:59:59,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c6c3bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:59, skipping insertion in model container [2021-12-21 10:59:59,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:59:59" (1/1) ... [2021-12-21 10:59:59,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 10:59:59,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 10:59:59,593 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_label52.c[7609,7622] [2021-12-21 10:59:59,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:59:59,772 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 10:59:59,794 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_label52.c[7609,7622] [2021-12-21 10:59:59,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:59:59,917 INFO L208 MainTranslator]: Completed translation [2021-12-21 10:59:59,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:59 WrapperNode [2021-12-21 10:59:59,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 10:59:59,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 10:59:59,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 10:59:59,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 10:59:59,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:59" (1/1) ... [2021-12-21 10:59:59,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:59" (1/1) ... [2021-12-21 11:00:00,075 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-12-21 11:00:00,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 11:00:00,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 11:00:00,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 11:00:00,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 11:00:00,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:59" (1/1) ... [2021-12-21 11:00:00,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:59" (1/1) ... [2021-12-21 11:00:00,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:59" (1/1) ... [2021-12-21 11:00:00,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:59" (1/1) ... [2021-12-21 11:00:00,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:59" (1/1) ... [2021-12-21 11:00:00,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:59" (1/1) ... [2021-12-21 11:00:00,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:59" (1/1) ... [2021-12-21 11:00:00,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 11:00:00,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 11:00:00,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 11:00:00,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 11:00:00,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:59" (1/1) ... [2021-12-21 11:00:00,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:00:00,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 11:00:00,211 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) [2021-12-21 11:00:00,223 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 [2021-12-21 11:00:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 11:00:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 11:00:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 11:00:00,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 11:00:00,305 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 11:00:00,306 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 11:00:01,544 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 11:00:01,559 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 11:00:01,560 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 11:00:01,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:00:01 BoogieIcfgContainer [2021-12-21 11:00:01,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 11:00:01,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 11:00:01,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 11:00:01,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 11:00:01,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 10:59:59" (1/3) ... [2021-12-21 11:00:01,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15d96a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:00:01, skipping insertion in model container [2021-12-21 11:00:01,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:59" (2/3) ... [2021-12-21 11:00:01,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15d96a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:00:01, skipping insertion in model container [2021-12-21 11:00:01,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:00:01" (3/3) ... [2021-12-21 11:00:01,570 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label52.c [2021-12-21 11:00:01,574 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 11:00:01,575 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 11:00:01,613 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 11:00:01,618 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 [2021-12-21 11:00:01,619 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 11:00:01,636 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) [2021-12-21 11:00:01,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-21 11:00:01,656 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:00:01,657 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] [2021-12-21 11:00:01,657 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:00:01,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:00:01,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1382487458, now seen corresponding path program 1 times [2021-12-21 11:00:01,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:00:01,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96134624] [2021-12-21 11:00:01,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:00:01,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:00:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:00:01,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 11:00:01,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:00:01,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96134624] [2021-12-21 11:00:01,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96134624] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 11:00:01,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 11:00:01,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 11:00:01,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270027220] [2021-12-21 11:00:01,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 11:00:01,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 11:00:01,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:00:02,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 11:00:02,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 11:00:02,021 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 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 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) [2021-12-21 11:00:03,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:00:03,064 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2021-12-21 11:00:03,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 11:00:03,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 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 52 [2021-12-21 11:00:03,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:00:03,088 INFO L225 Difference]: With dead ends: 761 [2021-12-21 11:00:03,088 INFO L226 Difference]: Without dead ends: 413 [2021-12-21 11:00:03,099 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 [2021-12-21 11:00:03,102 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 176 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-21 11:00:03,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [176 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-21 11:00:03,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-12-21 11:00:03,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2021-12-21 11:00:03,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 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) [2021-12-21 11:00:03,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2021-12-21 11:00:03,151 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 52 [2021-12-21 11:00:03,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:00:03,152 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2021-12-21 11:00:03,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 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) [2021-12-21 11:00:03,152 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2021-12-21 11:00:03,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-21 11:00:03,155 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:00:03,156 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 11:00:03,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 11:00:03,156 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:00:03,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:00:03,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1697477018, now seen corresponding path program 1 times [2021-12-21 11:00:03,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:00:03,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710403906] [2021-12-21 11:00:03,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:00:03,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:00:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:00:03,260 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 11:00:03,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:00:03,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710403906] [2021-12-21 11:00:03,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710403906] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 11:00:03,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 11:00:03,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 11:00:03,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279949619] [2021-12-21 11:00:03,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 11:00:03,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 11:00:03,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:00:03,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 11:00:03,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 11:00:03,264 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 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) [2021-12-21 11:00:03,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:00:03,976 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2021-12-21 11:00:03,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 11:00:03,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 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 120 [2021-12-21 11:00:03,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:00:03,980 INFO L225 Difference]: With dead ends: 1211 [2021-12-21 11:00:03,980 INFO L226 Difference]: Without dead ends: 800 [2021-12-21 11:00:03,982 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 [2021-12-21 11:00:03,983 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-21 11:00:03,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-21 11:00:03,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-12-21 11:00:04,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2021-12-21 11:00:04,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 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) [2021-12-21 11:00:04,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2021-12-21 11:00:04,014 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 120 [2021-12-21 11:00:04,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:00:04,015 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2021-12-21 11:00:04,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 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) [2021-12-21 11:00:04,016 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2021-12-21 11:00:04,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-21 11:00:04,019 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:00:04,019 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 11:00:04,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 11:00:04,020 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:00:04,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:00:04,021 INFO L85 PathProgramCache]: Analyzing trace with hash 690386357, now seen corresponding path program 1 times [2021-12-21 11:00:04,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:00:04,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447241027] [2021-12-21 11:00:04,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:00:04,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:00:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:00:04,132 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 11:00:04,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:00:04,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447241027] [2021-12-21 11:00:04,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447241027] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 11:00:04,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 11:00:04,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 11:00:04,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824785334] [2021-12-21 11:00:04,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 11:00:04,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 11:00:04,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:00:04,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 11:00:04,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 11:00:04,135 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 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) [2021-12-21 11:00:04,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:00:04,780 INFO L93 Difference]: Finished difference Result 1945 states and 2612 transitions. [2021-12-21 11:00:04,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 11:00:04,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 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 122 [2021-12-21 11:00:04,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:00:04,788 INFO L225 Difference]: With dead ends: 1945 [2021-12-21 11:00:04,789 INFO L226 Difference]: Without dead ends: 1158 [2021-12-21 11:00:04,790 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 [2021-12-21 11:00:04,791 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 11:00:04,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 11:00:04,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-12-21 11:00:04,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2021-12-21 11:00:04,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2707612456747406) internal successors, (1469), 1156 states have internal predecessors, (1469), 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) [2021-12-21 11:00:04,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1469 transitions. [2021-12-21 11:00:04,822 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1469 transitions. Word has length 122 [2021-12-21 11:00:04,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:00:04,824 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 1469 transitions. [2021-12-21 11:00:04,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 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) [2021-12-21 11:00:04,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1469 transitions. [2021-12-21 11:00:04,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-12-21 11:00:04,833 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:00:04,833 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 11:00:04,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 11:00:04,834 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:00:04,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:00:04,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1804040649, now seen corresponding path program 1 times [2021-12-21 11:00:04,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:00:04,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799121716] [2021-12-21 11:00:04,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:00:04,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:00:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:00:05,017 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 11:00:05,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:00:05,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799121716] [2021-12-21 11:00:05,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799121716] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 11:00:05,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 11:00:05,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 11:00:05,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585792413] [2021-12-21 11:00:05,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 11:00:05,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 11:00:05,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:00:05,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 11:00:05,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 11:00:05,023 INFO L87 Difference]: Start difference. First operand 1157 states and 1469 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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) [2021-12-21 11:00:05,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:00:05,687 INFO L93 Difference]: Finished difference Result 2519 states and 3349 transitions. [2021-12-21 11:00:05,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 11:00:05,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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 179 [2021-12-21 11:00:05,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:00:05,694 INFO L225 Difference]: With dead ends: 2519 [2021-12-21 11:00:05,694 INFO L226 Difference]: Without dead ends: 1548 [2021-12-21 11:00:05,696 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 [2021-12-21 11:00:05,697 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 183 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 11:00:05,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 11:00:05,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2021-12-21 11:00:05,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2021-12-21 11:00:05,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.2933937823834196) internal successors, (1997), 1544 states have internal predecessors, (1997), 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) [2021-12-21 11:00:05,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1997 transitions. [2021-12-21 11:00:05,727 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1997 transitions. Word has length 179 [2021-12-21 11:00:05,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:00:05,728 INFO L470 AbstractCegarLoop]: Abstraction has 1545 states and 1997 transitions. [2021-12-21 11:00:05,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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) [2021-12-21 11:00:05,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1997 transitions. [2021-12-21 11:00:05,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-12-21 11:00:05,731 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:00:05,731 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, 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] [2021-12-21 11:00:05,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 11:00:05,732 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:00:05,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:00:05,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1655174799, now seen corresponding path program 1 times [2021-12-21 11:00:05,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:00:05,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504880830] [2021-12-21 11:00:05,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:00:05,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:00:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:00:05,845 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-21 11:00:05,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:00:05,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504880830] [2021-12-21 11:00:05,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504880830] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 11:00:05,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 11:00:05,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 11:00:05,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098168294] [2021-12-21 11:00:05,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 11:00:05,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 11:00:05,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:00:05,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 11:00:05,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 11:00:05,848 INFO L87 Difference]: Start difference. First operand 1545 states and 1997 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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) [2021-12-21 11:00:06,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:00:06,596 INFO L93 Difference]: Finished difference Result 3650 states and 4815 transitions. [2021-12-21 11:00:06,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 11:00:06,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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 234 [2021-12-21 11:00:06,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:00:06,604 INFO L225 Difference]: With dead ends: 3650 [2021-12-21 11:00:06,604 INFO L226 Difference]: Without dead ends: 2291 [2021-12-21 11:00:06,606 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 [2021-12-21 11:00:06,606 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 145 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-21 11:00:06,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 392 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-21 11:00:06,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2291 states. [2021-12-21 11:00:06,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2291 to 2098. [2021-12-21 11:00:06,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2098 states, 2097 states have (on average 1.2675250357653791) internal successors, (2658), 2097 states have internal predecessors, (2658), 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) [2021-12-21 11:00:06,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 2098 states and 2658 transitions. [2021-12-21 11:00:06,640 INFO L78 Accepts]: Start accepts. Automaton has 2098 states and 2658 transitions. Word has length 234 [2021-12-21 11:00:06,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:00:06,641 INFO L470 AbstractCegarLoop]: Abstraction has 2098 states and 2658 transitions. [2021-12-21 11:00:06,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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) [2021-12-21 11:00:06,641 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2658 transitions. [2021-12-21 11:00:06,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-12-21 11:00:06,644 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:00:06,644 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, 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] [2021-12-21 11:00:06,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 11:00:06,645 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:00:06,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:00:06,645 INFO L85 PathProgramCache]: Analyzing trace with hash 203587778, now seen corresponding path program 1 times [2021-12-21 11:00:06,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:00:06,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214264177] [2021-12-21 11:00:06,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:00:06,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:00:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:00:06,863 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 95 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-21 11:00:06,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:00:06,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214264177] [2021-12-21 11:00:06,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214264177] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 11:00:06,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914844607] [2021-12-21 11:00:06,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:00:06,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 11:00:06,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 11:00:06,868 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) [2021-12-21 11:00:06,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 11:00:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:00:06,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 11:00:07,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 11:00:07,474 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-21 11:00:07,474 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 11:00:07,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914844607] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 11:00:07,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 11:00:07,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-12-21 11:00:07,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381150704] [2021-12-21 11:00:07,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 11:00:07,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 11:00:07,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:00:07,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 11:00:07,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-21 11:00:07,477 INFO L87 Difference]: Start difference. First operand 2098 states and 2658 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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) [2021-12-21 11:00:08,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:00:08,198 INFO L93 Difference]: Finished difference Result 5851 states and 7488 transitions. [2021-12-21 11:00:08,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 11:00:08,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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 240 [2021-12-21 11:00:08,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:00:08,213 INFO L225 Difference]: With dead ends: 5851 [2021-12-21 11:00:08,214 INFO L226 Difference]: Without dead ends: 3755 [2021-12-21 11:00:08,217 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-21 11:00:08,221 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 159 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-21 11:00:08,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 144 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-21 11:00:08,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3755 states. [2021-12-21 11:00:08,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3755 to 3755. [2021-12-21 11:00:08,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3755 states, 3754 states have (on average 1.245338305807139) internal successors, (4675), 3754 states have internal predecessors, (4675), 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) [2021-12-21 11:00:08,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3755 states and 4675 transitions. [2021-12-21 11:00:08,282 INFO L78 Accepts]: Start accepts. Automaton has 3755 states and 4675 transitions. Word has length 240 [2021-12-21 11:00:08,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:00:08,283 INFO L470 AbstractCegarLoop]: Abstraction has 3755 states and 4675 transitions. [2021-12-21 11:00:08,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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) [2021-12-21 11:00:08,283 INFO L276 IsEmpty]: Start isEmpty. Operand 3755 states and 4675 transitions. [2021-12-21 11:00:08,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-12-21 11:00:08,288 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:00:08,288 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, 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] [2021-12-21 11:00:08,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 11:00:08,511 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,SelfDestructingSolverStorable5 [2021-12-21 11:00:08,512 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:00:08,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:00:08,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1866944109, now seen corresponding path program 1 times [2021-12-21 11:00:08,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:00:08,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58823279] [2021-12-21 11:00:08,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:00:08,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:00:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:00:08,677 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-21 11:00:08,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:00:08,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58823279] [2021-12-21 11:00:08,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58823279] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 11:00:08,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 11:00:08,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 11:00:08,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649671796] [2021-12-21 11:00:08,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 11:00:08,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 11:00:08,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:00:08,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 11:00:08,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 11:00:08,682 INFO L87 Difference]: Start difference. First operand 3755 states and 4675 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) [2021-12-21 11:00:09,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:00:09,380 INFO L93 Difference]: Finished difference Result 8622 states and 10849 transitions. [2021-12-21 11:00:09,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 11:00:09,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 271 [2021-12-21 11:00:09,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:00:09,395 INFO L225 Difference]: With dead ends: 8622 [2021-12-21 11:00:09,396 INFO L226 Difference]: Without dead ends: 4869 [2021-12-21 11:00:09,400 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 [2021-12-21 11:00:09,401 INFO L933 BasicCegarLoop]: 369 mSDtfsCounter, 144 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-21 11:00:09,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 391 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-21 11:00:09,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4869 states. [2021-12-21 11:00:09,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4869 to 4860. [2021-12-21 11:00:09,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4860 states, 4859 states have (on average 1.2251492076558963) internal successors, (5953), 4859 states have internal predecessors, (5953), 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) [2021-12-21 11:00:09,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4860 states to 4860 states and 5953 transitions. [2021-12-21 11:00:09,503 INFO L78 Accepts]: Start accepts. Automaton has 4860 states and 5953 transitions. Word has length 271 [2021-12-21 11:00:09,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:00:09,503 INFO L470 AbstractCegarLoop]: Abstraction has 4860 states and 5953 transitions. [2021-12-21 11:00:09,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) [2021-12-21 11:00:09,504 INFO L276 IsEmpty]: Start isEmpty. Operand 4860 states and 5953 transitions. [2021-12-21 11:00:09,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-12-21 11:00:09,512 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:00:09,512 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 11:00:09,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 11:00:09,512 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:00:09,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:00:09,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1398635958, now seen corresponding path program 1 times [2021-12-21 11:00:09,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:00:09,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464347872] [2021-12-21 11:00:09,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:00:09,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:00:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:00:09,647 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-12-21 11:00:09,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:00:09,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464347872] [2021-12-21 11:00:09,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464347872] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 11:00:09,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 11:00:09,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 11:00:09,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594897811] [2021-12-21 11:00:09,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 11:00:09,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 11:00:09,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:00:09,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 11:00:09,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 11:00:09,650 INFO L87 Difference]: Start difference. First operand 4860 states and 5953 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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) [2021-12-21 11:00:10,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:00:10,333 INFO L93 Difference]: Finished difference Result 11005 states and 13678 transitions. [2021-12-21 11:00:10,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 11:00:10,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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 317 [2021-12-21 11:00:10,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:00:10,353 INFO L225 Difference]: With dead ends: 11005 [2021-12-21 11:00:10,354 INFO L226 Difference]: Without dead ends: 6147 [2021-12-21 11:00:10,359 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 [2021-12-21 11:00:10,360 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 172 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 11:00:10,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 151 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 11:00:10,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6147 states. [2021-12-21 11:00:10,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6147 to 4853. [2021-12-21 11:00:10,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4853 states, 4852 states have (on average 1.224855729596043) internal successors, (5943), 4852 states have internal predecessors, (5943), 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) [2021-12-21 11:00:10,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4853 states to 4853 states and 5943 transitions. [2021-12-21 11:00:10,465 INFO L78 Accepts]: Start accepts. Automaton has 4853 states and 5943 transitions. Word has length 317 [2021-12-21 11:00:10,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:00:10,466 INFO L470 AbstractCegarLoop]: Abstraction has 4853 states and 5943 transitions. [2021-12-21 11:00:10,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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) [2021-12-21 11:00:10,466 INFO L276 IsEmpty]: Start isEmpty. Operand 4853 states and 5943 transitions. [2021-12-21 11:00:10,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-12-21 11:00:10,474 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:00:10,474 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 11:00:10,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 11:00:10,475 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:00:10,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:00:10,475 INFO L85 PathProgramCache]: Analyzing trace with hash -2108175850, now seen corresponding path program 1 times [2021-12-21 11:00:10,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:00:10,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214840428] [2021-12-21 11:00:10,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:00:10,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:00:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:00:10,692 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 167 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 11:00:10,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:00:10,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214840428] [2021-12-21 11:00:10,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214840428] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 11:00:10,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779701671] [2021-12-21 11:00:10,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:00:10,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 11:00:10,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 11:00:10,696 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 11:00:10,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 11:00:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:00:10,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-21 11:00:10,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 11:00:12,926 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 167 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 11:00:12,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 11:00:15,475 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 167 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 11:00:15,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779701671] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 11:00:15,476 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 11:00:15,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-12-21 11:00:15,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64822332] [2021-12-21 11:00:15,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 11:00:15,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 11:00:15,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:00:15,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 11:00:15,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-12-21 11:00:15,478 INFO L87 Difference]: Start difference. First operand 4853 states and 5943 transitions. Second operand has 8 states, 8 states have (on average 74.75) internal successors, (598), 7 states have internal predecessors, (598), 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) [2021-12-21 11:00:17,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:00:17,726 INFO L93 Difference]: Finished difference Result 13854 states and 16891 transitions. [2021-12-21 11:00:17,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-21 11:00:17,728 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 74.75) internal successors, (598), 7 states have internal predecessors, (598), 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 336 [2021-12-21 11:00:17,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:00:17,759 INFO L225 Difference]: With dead ends: 13854 [2021-12-21 11:00:17,763 INFO L226 Difference]: Without dead ends: 9003 [2021-12-21 11:00:17,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 681 GetRequests, 667 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2021-12-21 11:00:17,772 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 1079 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 2048 mSolverCounterSat, 549 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 2597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 549 IncrementalHoareTripleChecker+Valid, 2048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-21 11:00:17,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1079 Valid, 153 Invalid, 2597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [549 Valid, 2048 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-21 11:00:17,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9003 states. [2021-12-21 11:00:17,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9003 to 5035. [2021-12-21 11:00:17,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5035 states, 5034 states have (on average 1.22248708780294) internal successors, (6154), 5034 states have internal predecessors, (6154), 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) [2021-12-21 11:00:17,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5035 states to 5035 states and 6154 transitions. [2021-12-21 11:00:17,908 INFO L78 Accepts]: Start accepts. Automaton has 5035 states and 6154 transitions. Word has length 336 [2021-12-21 11:00:17,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:00:17,909 INFO L470 AbstractCegarLoop]: Abstraction has 5035 states and 6154 transitions. [2021-12-21 11:00:17,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 74.75) internal successors, (598), 7 states have internal predecessors, (598), 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) [2021-12-21 11:00:17,909 INFO L276 IsEmpty]: Start isEmpty. Operand 5035 states and 6154 transitions. [2021-12-21 11:00:17,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2021-12-21 11:00:17,919 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:00:17,919 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 11:00:17,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-21 11:00:18,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-12-21 11:00:18,144 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:00:18,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:00:18,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1398734134, now seen corresponding path program 1 times [2021-12-21 11:00:18,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:00:18,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504804320] [2021-12-21 11:00:18,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:00:18,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:00:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:00:18,306 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 11:00:18,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:00:18,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504804320] [2021-12-21 11:00:18,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504804320] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 11:00:18,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 11:00:18,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 11:00:18,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267361999] [2021-12-21 11:00:18,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 11:00:18,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 11:00:18,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:00:18,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 11:00:18,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 11:00:18,309 INFO L87 Difference]: Start difference. First operand 5035 states and 6154 transitions. Second operand has 4 states, 4 states have (on average 89.25) internal successors, (357), 4 states have internal predecessors, (357), 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) [2021-12-21 11:00:19,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:00:19,443 INFO L93 Difference]: Finished difference Result 13948 states and 17066 transitions. [2021-12-21 11:00:19,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 11:00:19,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 89.25) internal successors, (357), 4 states have internal predecessors, (357), 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 357 [2021-12-21 11:00:19,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:00:19,460 INFO L225 Difference]: With dead ends: 13948 [2021-12-21 11:00:19,460 INFO L226 Difference]: Without dead ends: 8915 [2021-12-21 11:00:19,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 11:00:19,464 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 237 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 1321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-21 11:00:19,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 65 Invalid, 1321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 1103 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-21 11:00:19,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8915 states. [2021-12-21 11:00:19,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8915 to 7441. [2021-12-21 11:00:19,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7441 states, 7440 states have (on average 1.1923387096774194) internal successors, (8871), 7440 states have internal predecessors, (8871), 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) [2021-12-21 11:00:19,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7441 states to 7441 states and 8871 transitions. [2021-12-21 11:00:19,584 INFO L78 Accepts]: Start accepts. Automaton has 7441 states and 8871 transitions. Word has length 357 [2021-12-21 11:00:19,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:00:19,584 INFO L470 AbstractCegarLoop]: Abstraction has 7441 states and 8871 transitions. [2021-12-21 11:00:19,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 89.25) internal successors, (357), 4 states have internal predecessors, (357), 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) [2021-12-21 11:00:19,585 INFO L276 IsEmpty]: Start isEmpty. Operand 7441 states and 8871 transitions. [2021-12-21 11:00:19,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2021-12-21 11:00:19,600 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:00:19,600 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 11:00:19,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-21 11:00:19,601 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:00:19,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:00:19,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1218780311, now seen corresponding path program 1 times [2021-12-21 11:00:19,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:00:19,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971875015] [2021-12-21 11:00:19,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:00:19,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:00:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:00:19,772 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 365 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-12-21 11:00:19,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:00:19,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971875015] [2021-12-21 11:00:19,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971875015] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 11:00:19,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 11:00:19,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 11:00:19,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677825915] [2021-12-21 11:00:19,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 11:00:19,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 11:00:19,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:00:19,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 11:00:19,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 11:00:19,774 INFO L87 Difference]: Start difference. First operand 7441 states and 8871 transitions. Second operand has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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) [2021-12-21 11:00:20,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:00:20,854 INFO L93 Difference]: Finished difference Result 16170 states and 19194 transitions. [2021-12-21 11:00:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 11:00:20,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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 431 [2021-12-21 11:00:20,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:00:20,868 INFO L225 Difference]: With dead ends: 16170 [2021-12-21 11:00:20,868 INFO L226 Difference]: Without dead ends: 8731 [2021-12-21 11:00:20,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 11:00:20,875 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 239 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1098 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 1098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-21 11:00:20,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 64 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 1098 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-21 11:00:20,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8731 states. [2021-12-21 11:00:20,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8731 to 7441. [2021-12-21 11:00:20,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7441 states, 7440 states have (on average 1.1923387096774194) internal successors, (8871), 7440 states have internal predecessors, (8871), 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) [2021-12-21 11:00:20,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7441 states to 7441 states and 8871 transitions. [2021-12-21 11:00:20,963 INFO L78 Accepts]: Start accepts. Automaton has 7441 states and 8871 transitions. Word has length 431 [2021-12-21 11:00:20,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:00:20,964 INFO L470 AbstractCegarLoop]: Abstraction has 7441 states and 8871 transitions. [2021-12-21 11:00:20,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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) [2021-12-21 11:00:20,965 INFO L276 IsEmpty]: Start isEmpty. Operand 7441 states and 8871 transitions. [2021-12-21 11:00:20,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2021-12-21 11:00:20,978 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:00:20,978 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 11:00:20,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-21 11:00:20,979 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:00:20,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:00:20,979 INFO L85 PathProgramCache]: Analyzing trace with hash -287893398, now seen corresponding path program 1 times [2021-12-21 11:00:20,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:00:20,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130499499] [2021-12-21 11:00:20,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:00:20,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:00:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:00:21,109 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-12-21 11:00:21,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:00:21,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130499499] [2021-12-21 11:00:21,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130499499] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 11:00:21,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 11:00:21,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 11:00:21,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100752674] [2021-12-21 11:00:21,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 11:00:21,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 11:00:21,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:00:21,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 11:00:21,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 11:00:21,112 INFO L87 Difference]: Start difference. First operand 7441 states and 8871 transitions. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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) [2021-12-21 11:00:21,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:00:21,753 INFO L93 Difference]: Finished difference Result 15080 states and 17958 transitions. [2021-12-21 11:00:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 11:00:21,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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 431 [2021-12-21 11:00:21,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:00:21,764 INFO L225 Difference]: With dead ends: 15080 [2021-12-21 11:00:21,764 INFO L226 Difference]: Without dead ends: 7641 [2021-12-21 11:00:21,770 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 [2021-12-21 11:00:21,770 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 107 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 11:00:21,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 329 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 11:00:21,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7641 states. [2021-12-21 11:00:21,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7641 to 7257. [2021-12-21 11:00:21,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7257 states, 7256 states have (on average 1.160005512679162) internal successors, (8417), 7256 states have internal predecessors, (8417), 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) [2021-12-21 11:00:21,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7257 states to 7257 states and 8417 transitions. [2021-12-21 11:00:21,852 INFO L78 Accepts]: Start accepts. Automaton has 7257 states and 8417 transitions. Word has length 431 [2021-12-21 11:00:21,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:00:21,853 INFO L470 AbstractCegarLoop]: Abstraction has 7257 states and 8417 transitions. [2021-12-21 11:00:21,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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) [2021-12-21 11:00:21,853 INFO L276 IsEmpty]: Start isEmpty. Operand 7257 states and 8417 transitions. [2021-12-21 11:00:21,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2021-12-21 11:00:21,867 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:00:21,868 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 11:00:21,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-21 11:00:21,868 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:00:21,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:00:21,869 INFO L85 PathProgramCache]: Analyzing trace with hash 2057046030, now seen corresponding path program 1 times [2021-12-21 11:00:21,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:00:21,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336659473] [2021-12-21 11:00:21,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:00:21,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:00:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:00:22,024 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-12-21 11:00:22,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:00:22,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336659473] [2021-12-21 11:00:22,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336659473] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 11:00:22,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 11:00:22,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 11:00:22,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410889296] [2021-12-21 11:00:22,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 11:00:22,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 11:00:22,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:00:22,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 11:00:22,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 11:00:22,027 INFO L87 Difference]: Start difference. First operand 7257 states and 8417 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 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) [2021-12-21 11:00:22,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:00:22,372 INFO L93 Difference]: Finished difference Result 14132 states and 16360 transitions. [2021-12-21 11:00:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 11:00:22,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 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 488 [2021-12-21 11:00:22,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:00:22,380 INFO L225 Difference]: With dead ends: 14132 [2021-12-21 11:00:22,380 INFO L226 Difference]: Without dead ends: 6877 [2021-12-21 11:00:22,386 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 [2021-12-21 11:00:22,387 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 179 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 11:00:22,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 37 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 11:00:22,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6877 states. [2021-12-21 11:00:22,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6877 to 6875. [2021-12-21 11:00:22,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6875 states, 6874 states have (on average 1.1544951993017165) internal successors, (7936), 6874 states have internal predecessors, (7936), 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) [2021-12-21 11:00:22,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6875 states to 6875 states and 7936 transitions. [2021-12-21 11:00:22,483 INFO L78 Accepts]: Start accepts. Automaton has 6875 states and 7936 transitions. Word has length 488 [2021-12-21 11:00:22,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:00:22,484 INFO L470 AbstractCegarLoop]: Abstraction has 6875 states and 7936 transitions. [2021-12-21 11:00:22,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 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) [2021-12-21 11:00:22,485 INFO L276 IsEmpty]: Start isEmpty. Operand 6875 states and 7936 transitions. [2021-12-21 11:00:22,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2021-12-21 11:00:22,500 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:00:22,501 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 11:00:22,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-21 11:00:22,501 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:00:22,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:00:22,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1680894984, now seen corresponding path program 1 times [2021-12-21 11:00:22,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:00:22,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925651613] [2021-12-21 11:00:22,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:00:22,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:00:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:00:22,684 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 427 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-21 11:00:22,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:00:22,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925651613] [2021-12-21 11:00:22,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925651613] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 11:00:22,685 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 11:00:22,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 11:00:22,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384444277] [2021-12-21 11:00:22,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 11:00:22,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 11:00:22,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:00:22,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 11:00:22,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 11:00:22,689 INFO L87 Difference]: Start difference. First operand 6875 states and 7936 transitions. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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) [2021-12-21 11:00:23,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:00:23,245 INFO L93 Difference]: Finished difference Result 12621 states and 14535 transitions. [2021-12-21 11:00:23,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 11:00:23,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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 504 [2021-12-21 11:00:23,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:00:23,251 INFO L225 Difference]: With dead ends: 12621 [2021-12-21 11:00:23,251 INFO L226 Difference]: Without dead ends: 5748 [2021-12-21 11:00:23,257 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 [2021-12-21 11:00:23,257 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 80 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 11:00:23,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 123 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 11:00:23,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5748 states. [2021-12-21 11:00:23,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5748 to 4828. [2021-12-21 11:00:23,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4828 states, 4827 states have (on average 1.1247151439817693) internal successors, (5429), 4827 states have internal predecessors, (5429), 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) [2021-12-21 11:00:23,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4828 states to 4828 states and 5429 transitions. [2021-12-21 11:00:23,352 INFO L78 Accepts]: Start accepts. Automaton has 4828 states and 5429 transitions. Word has length 504 [2021-12-21 11:00:23,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:00:23,353 INFO L470 AbstractCegarLoop]: Abstraction has 4828 states and 5429 transitions. [2021-12-21 11:00:23,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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) [2021-12-21 11:00:23,353 INFO L276 IsEmpty]: Start isEmpty. Operand 4828 states and 5429 transitions. [2021-12-21 11:00:23,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2021-12-21 11:00:23,364 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:00:23,365 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 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] [2021-12-21 11:00:23,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-21 11:00:23,365 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:00:23,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:00:23,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1417577515, now seen corresponding path program 1 times [2021-12-21 11:00:23,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:00:23,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948489398] [2021-12-21 11:00:23,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:00:23,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:00:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:00:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 872 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2021-12-21 11:00:23,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:00:23,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948489398] [2021-12-21 11:00:23,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948489398] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 11:00:23,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 11:00:23,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 11:00:23,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893301008] [2021-12-21 11:00:23,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 11:00:23,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 11:00:23,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:00:23,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 11:00:23,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 11:00:23,584 INFO L87 Difference]: Start difference. First operand 4828 states and 5429 transitions. Second operand has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 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) [2021-12-21 11:00:24,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:00:24,554 INFO L93 Difference]: Finished difference Result 14635 states and 16469 transitions. [2021-12-21 11:00:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 11:00:24,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 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 682 [2021-12-21 11:00:24,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:00:24,562 INFO L225 Difference]: With dead ends: 14635 [2021-12-21 11:00:24,562 INFO L226 Difference]: Without dead ends: 9809 [2021-12-21 11:00:24,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 11:00:24,566 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 198 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-21 11:00:24,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 60 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-21 11:00:24,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9809 states. [2021-12-21 11:00:24,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9809 to 9620. [2021-12-21 11:00:24,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9620 states, 9619 states have (on average 1.1143570017673354) internal successors, (10719), 9619 states have internal predecessors, (10719), 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) [2021-12-21 11:00:24,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9620 states to 9620 states and 10719 transitions. [2021-12-21 11:00:24,687 INFO L78 Accepts]: Start accepts. Automaton has 9620 states and 10719 transitions. Word has length 682 [2021-12-21 11:00:24,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:00:24,688 INFO L470 AbstractCegarLoop]: Abstraction has 9620 states and 10719 transitions. [2021-12-21 11:00:24,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 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) [2021-12-21 11:00:24,688 INFO L276 IsEmpty]: Start isEmpty. Operand 9620 states and 10719 transitions. [2021-12-21 11:00:24,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2021-12-21 11:00:24,705 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:00:24,705 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-21 11:00:24,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-21 11:00:24,706 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:00:24,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:00:24,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1921349717, now seen corresponding path program 1 times [2021-12-21 11:00:24,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:00:24,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219661777] [2021-12-21 11:00:24,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:00:24,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:00:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:00:24,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1733 backedges. 1023 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-12-21 11:00:24,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:00:24,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219661777] [2021-12-21 11:00:24,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219661777] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 11:00:24,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 11:00:24,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 11:00:24,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858770293] [2021-12-21 11:00:24,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 11:00:24,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 11:00:24,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:00:24,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 11:00:24,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 11:00:24,931 INFO L87 Difference]: Start difference. First operand 9620 states and 10719 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) [2021-12-21 11:00:25,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:00:25,540 INFO L93 Difference]: Finished difference Result 20341 states and 22719 transitions. [2021-12-21 11:00:25,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 11:00:25,541 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 760 [2021-12-21 11:00:25,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:00:25,580 INFO L225 Difference]: With dead ends: 20341 [2021-12-21 11:00:25,580 INFO L226 Difference]: Without dead ends: 10170 [2021-12-21 11:00:25,584 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 [2021-12-21 11:00:25,584 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 194 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 11:00:25,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 340 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 11:00:25,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10170 states. [2021-12-21 11:00:25,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10170 to 10170. [2021-12-21 11:00:25,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10170 states, 10169 states have (on average 1.0946995771462287) internal successors, (11132), 10169 states have internal predecessors, (11132), 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) [2021-12-21 11:00:25,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10170 states to 10170 states and 11132 transitions. [2021-12-21 11:00:25,685 INFO L78 Accepts]: Start accepts. Automaton has 10170 states and 11132 transitions. Word has length 760 [2021-12-21 11:00:25,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:00:25,685 INFO L470 AbstractCegarLoop]: Abstraction has 10170 states and 11132 transitions. [2021-12-21 11:00:25,686 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) [2021-12-21 11:00:25,686 INFO L276 IsEmpty]: Start isEmpty. Operand 10170 states and 11132 transitions. [2021-12-21 11:00:25,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 851 [2021-12-21 11:00:25,705 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:00:25,706 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 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] [2021-12-21 11:00:25,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-21 11:00:25,707 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:00:25,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:00:25,707 INFO L85 PathProgramCache]: Analyzing trace with hash -43670685, now seen corresponding path program 1 times [2021-12-21 11:00:25,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:00:25,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742785542] [2021-12-21 11:00:25,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:00:25,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:00:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:00:25,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 1501 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2021-12-21 11:00:25,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:00:25,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742785542] [2021-12-21 11:00:25,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742785542] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 11:00:25,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 11:00:25,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 11:00:25,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894177837] [2021-12-21 11:00:26,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 11:00:26,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 11:00:26,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:00:26,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 11:00:26,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 11:00:26,003 INFO L87 Difference]: Start difference. First operand 10170 states and 11132 transitions. Second operand has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 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) [2021-12-21 11:00:26,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:00:26,662 INFO L93 Difference]: Finished difference Result 20887 states and 22855 transitions. [2021-12-21 11:00:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 11:00:26,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 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 850 [2021-12-21 11:00:26,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:00:26,663 INFO L225 Difference]: With dead ends: 20887 [2021-12-21 11:00:26,663 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 11:00:26,669 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 [2021-12-21 11:00:26,670 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 53 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 11:00:26,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 320 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 11:00:26,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 11:00:26,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 11:00:26,671 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) [2021-12-21 11:00:26,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 11:00:26,671 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 850 [2021-12-21 11:00:26,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:00:26,672 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 11:00:26,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 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) [2021-12-21 11:00:26,672 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 11:00:26,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 11:00:26,675 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 11:00:26,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-21 11:00:26,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 11:00:31,441 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-12-21 11:00:31,442 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,442 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-12-21 11:00:31,443 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,443 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,443 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,443 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,443 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,443 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,443 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-21 11:00:31,445 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-12-21 11:00:31,447 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-12-21 11:00:31,447 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,448 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,448 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,448 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,448 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,449 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,449 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,449 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,449 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,449 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,449 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-21 11:00:31,449 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-12-21 11:00:31,449 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-12-21 11:00:31,449 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,449 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-12-21 11:00:31,449 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-12-21 11:00:31,449 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,449 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,449 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,449 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,449 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,449 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,449 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-21 11:00:31,450 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-12-21 11:00:31,450 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-12-21 11:00:31,450 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,450 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,450 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,450 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse14 (+ ~a23~0 43))) (let ((.cse1 (<= ~a29~0 599999)) (.cse5 (= ~a25~0 11)) (.cse10 (<= ~a29~0 245)) (.cse7 (= ~a25~0 12)) (.cse2 (= ~a3~0 1)) (.cse3 (= ~a4~0 1)) (.cse0 (<= ~a25~0 10)) (.cse6 (<= ~a29~0 599998)) (.cse9 (= ~a25~0 13)) (.cse8 (= ~a4~0 0)) (.cse11 (<= (+ ~a29~0 22) 0)) (.cse13 (< 0 .cse14)) (.cse12 (<= ~a23~0 138)) (.cse4 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (and .cse7 .cse8 .cse6 .cse4) (and .cse9 .cse10 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse6 .cse3 (or (and .cse9 (not (<= ~a23~0 306))) (and .cse9 .cse2)) .cse4) (and .cse0 .cse6 .cse3 .cse4) (and .cse8 .cse5 .cse6 (<= ~a23~0 312) .cse4) (and .cse8 .cse11 .cse0 .cse4) (and (<= (+ ~a29~0 21) 0) .cse7 .cse2 .cse3 .cse4) (and .cse7 .cse11 .cse3 .cse4) (and .cse8 .cse0 .cse10 .cse12 .cse4) (and .cse7 .cse6 .cse2 (< 306 ~a23~0) .cse3 .cse4 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 6)) (<= ~a29~0 277))) (and .cse13 .cse0 .cse2 .cse12 .cse3 .cse4) (and (<= .cse14 0) .cse8 .cse0 .cse6 .cse4) (and .cse9 .cse8 .cse11 .cse13 .cse12 .cse4)))) [2021-12-21 11:00:31,450 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,450 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-12-21 11:00:31,450 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-12-21 11:00:31,450 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,450 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,450 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,450 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,451 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,451 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,451 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-21 11:00:31,451 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-21 11:00:31,451 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-12-21 11:00:31,454 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-12-21 11:00:31,454 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,454 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,454 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,454 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,454 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,454 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,454 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,454 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-12-21 11:00:31,454 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-21 11:00:31,454 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-12-21 11:00:31,454 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,454 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,455 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,455 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,455 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,455 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,455 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,455 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,455 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,455 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-21 11:00:31,455 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-12-21 11:00:31,455 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-21 11:00:31,455 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,456 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse14 (+ ~a23~0 43))) (let ((.cse1 (<= ~a29~0 599999)) (.cse5 (= ~a25~0 11)) (.cse10 (<= ~a29~0 245)) (.cse7 (= ~a25~0 12)) (.cse2 (= ~a3~0 1)) (.cse3 (= ~a4~0 1)) (.cse0 (<= ~a25~0 10)) (.cse6 (<= ~a29~0 599998)) (.cse9 (= ~a25~0 13)) (.cse8 (= ~a4~0 0)) (.cse11 (<= (+ ~a29~0 22) 0)) (.cse13 (< 0 .cse14)) (.cse12 (<= ~a23~0 138)) (.cse4 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (and .cse7 .cse8 .cse6 .cse4) (and .cse9 .cse10 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse6 .cse3 (or (and .cse9 (not (<= ~a23~0 306))) (and .cse9 .cse2)) .cse4) (and .cse0 .cse6 .cse3 .cse4) (and .cse8 .cse5 .cse6 (<= ~a23~0 312) .cse4) (and .cse8 .cse11 .cse0 .cse4) (and (<= (+ ~a29~0 21) 0) .cse7 .cse2 .cse3 .cse4) (and .cse7 .cse11 .cse3 .cse4) (and .cse8 .cse0 .cse10 .cse12 .cse4) (and .cse7 .cse6 .cse2 (< 306 ~a23~0) .cse3 .cse4 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 6)) (<= ~a29~0 277))) (and .cse13 .cse0 .cse2 .cse12 .cse3 .cse4) (and (<= .cse14 0) .cse8 .cse0 .cse6 .cse4) (and .cse9 .cse8 .cse11 .cse13 .cse12 .cse4)))) [2021-12-21 11:00:31,456 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,456 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,456 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,456 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,457 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,457 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,457 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,457 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,457 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-21 11:00:31,457 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-21 11:00:31,457 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-12-21 11:00:31,457 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-12-21 11:00:31,457 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-21 11:00:31,457 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-12-21 11:00:31,457 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-12-21 11:00:31,458 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,458 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,458 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,458 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,458 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,458 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,458 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,458 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,458 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,458 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,458 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 11:00:31,458 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-21 11:00:31,458 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-12-21 11:00:31,458 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-12-21 11:00:31,458 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-12-21 11:00:31,458 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,458 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,458 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,459 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,459 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,459 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-21 11:00:31,459 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-12-21 11:00:31,459 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-12-21 11:00:31,459 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,459 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,459 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,459 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,459 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-12-21 11:00:31,459 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-12-21 11:00:31,459 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,459 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,459 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,459 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,459 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,459 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,459 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-12-21 11:00:31,460 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-12-21 11:00:31,460 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,460 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,460 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-21 11:00:31,460 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-21 11:00:31,460 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-12-21 11:00:31,460 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 11:00:31,460 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2021-12-21 11:00:31,460 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,460 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,460 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,460 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,460 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,460 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,460 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,460 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-21 11:00:31,460 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-12-21 11:00:31,461 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-12-21 11:00:31,461 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-12-21 11:00:31,461 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-12-21 11:00:31,461 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-12-21 11:00:31,461 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-12-21 11:00:31,461 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,461 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,461 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-12-21 11:00:31,461 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-12-21 11:00:31,461 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,462 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,462 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,462 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,462 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,462 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-12-21 11:00:31,463 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-21 11:00:31,463 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-12-21 11:00:31,463 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,463 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,463 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,463 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,463 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,464 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,464 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-21 11:00:31,464 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-21 11:00:31,464 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-21 11:00:31,464 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,464 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,464 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,464 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,465 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,465 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,465 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,465 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,465 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-21 11:00:31,465 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-12-21 11:00:31,465 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-12-21 11:00:31,465 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,466 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,466 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,466 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,466 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,466 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,466 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,466 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,466 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,467 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,467 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,467 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-12-21 11:00:31,467 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-12-21 11:00:31,467 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-21 11:00:31,467 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-21 11:00:31,467 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-12-21 11:00:31,467 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,468 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,468 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,468 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,468 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,468 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,468 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,468 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-12-21 11:00:31,468 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-12-21 11:00:31,468 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-21 11:00:31,468 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,468 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,468 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,469 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-12-21 11:00:31,469 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-12-21 11:00:31,469 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,469 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,469 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,469 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,469 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,469 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-12-21 11:00:31,469 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-12-21 11:00:31,469 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,469 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,469 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-12-21 11:00:31,469 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-12-21 11:00:31,469 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,469 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 11:00:31,469 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,469 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,469 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,470 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,470 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,470 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-12-21 11:00:31,470 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-21 11:00:31,470 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-12-21 11:00:31,470 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-12-21 11:00:31,470 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,470 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,470 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,470 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,470 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,470 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,470 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,470 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,471 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-12-21 11:00:31,471 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-12-21 11:00:31,471 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-12-21 11:00:31,471 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-12-21 11:00:31,471 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-12-21 11:00:31,471 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-12-21 11:00:31,471 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,471 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,471 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,471 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,471 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,471 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,471 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,472 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-21 11:00:31,472 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-12-21 11:00:31,472 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 11:00:31,472 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,472 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,472 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,472 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,472 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,472 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,472 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-12-21 11:00:31,472 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-12-21 11:00:31,472 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,472 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,472 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,472 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,473 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,476 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,476 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,476 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-12-21 11:00:31,476 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:31,476 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,476 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,477 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-21 11:00:31,477 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-12-21 11:00:31,477 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-12-21 11:00:31,477 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-12-21 11:00:31,482 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 11:00:31,483 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 11:00:31,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 11:00:31 BoogieIcfgContainer [2021-12-21 11:00:31,502 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 11:00:31,502 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 11:00:31,502 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 11:00:31,502 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 11:00:31,503 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:00:01" (3/4) ... [2021-12-21 11:00:31,505 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 11:00:31,524 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-21 11:00:31,525 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-21 11:00:31,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 11:00:31,527 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 11:00:31,649 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 11:00:31,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 11:00:31,651 INFO L158 Benchmark]: Toolchain (without parser) took 32307.32ms. Allocated memory was 94.4MB in the beginning and 559.9MB in the end (delta: 465.6MB). Free memory was 62.7MB in the beginning and 285.2MB in the end (delta: -222.5MB). Peak memory consumption was 243.9MB. Max. memory is 16.1GB. [2021-12-21 11:00:31,651 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 94.4MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 11:00:31,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 574.15ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 62.4MB in the beginning and 64.2MB in the end (delta: -1.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-21 11:00:31,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 156.79ms. Allocated memory is still 121.6MB. Free memory was 64.2MB in the beginning and 87.6MB in the end (delta: -23.4MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2021-12-21 11:00:31,652 INFO L158 Benchmark]: Boogie Preprocessor took 99.73ms. Allocated memory is still 121.6MB. Free memory was 87.6MB in the beginning and 78.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 11:00:31,653 INFO L158 Benchmark]: RCFGBuilder took 1385.13ms. Allocated memory is still 121.6MB. Free memory was 78.0MB in the beginning and 52.3MB in the end (delta: 25.6MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2021-12-21 11:00:31,653 INFO L158 Benchmark]: TraceAbstraction took 29937.75ms. Allocated memory was 121.6MB in the beginning and 559.9MB in the end (delta: 438.3MB). Free memory was 52.3MB in the beginning and 311.6MB in the end (delta: -259.3MB). Peak memory consumption was 348.3MB. Max. memory is 16.1GB. [2021-12-21 11:00:31,653 INFO L158 Benchmark]: Witness Printer took 147.60ms. Allocated memory is still 559.9MB. Free memory was 310.6MB in the beginning and 285.2MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-21 11:00:31,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 94.4MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 574.15ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 62.4MB in the beginning and 64.2MB in the end (delta: -1.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 156.79ms. Allocated memory is still 121.6MB. Free memory was 64.2MB in the beginning and 87.6MB in the end (delta: -23.4MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.73ms. Allocated memory is still 121.6MB. Free memory was 87.6MB in the beginning and 78.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1385.13ms. Allocated memory is still 121.6MB. Free memory was 78.0MB in the beginning and 52.3MB in the end (delta: 25.6MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. * TraceAbstraction took 29937.75ms. Allocated memory was 121.6MB in the beginning and 559.9MB in the end (delta: 438.3MB). Free memory was 52.3MB in the beginning and 311.6MB in the end (delta: -259.3MB). Peak memory consumption was 348.3MB. Max. memory is 16.1GB. * Witness Printer took 147.60ms. Allocated memory is still 559.9MB. Free memory was 310.6MB in the beginning and 285.2MB in the end (delta: 25.4MB). 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: 172]: 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: 29.9s, OverallIterations: 17, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3606 SdHoareTripleChecker+Valid, 13.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3606 mSDsluCounter, 3423 SdHoareTripleChecker+Invalid, 10.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 403 mSDsCounter, 2282 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12126 IncrementalHoareTripleChecker+Invalid, 14408 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2282 mSolverCounterUnsat, 3020 mSDtfsCounter, 12126 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 969 GetRequests, 931 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10170occurred in iteration=16, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 9738 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 135 NumberOfFragments, 561 HoareAnnotationTreeSize, 3 FomulaSimplifications, 10172 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 3 FomulaSimplificationsInter, 25754 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 6950 NumberOfCodeBlocks, 6950 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 7266 ConstructedInterpolants, 0 QuantifiedInterpolants, 25715 SizeOfPredicates, 8 NumberOfNonLiveVariables, 817 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 20 InterpolantComputations, 16 PerfectInterpolantSequences, 9112/9275 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 <= 10 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15) || (((a25 == 11 && a29 <= 599998) && a4 == 1) && a8 == 15)) || (((a25 == 12 && a4 == 0) && a29 <= 599998) && a8 == 15)) || (((a25 == 13 && a29 <= 245) && a4 == 1) && a8 == 15)) || ((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((a29 <= 599998 && a4 == 1) && ((a25 == 13 && !(a23 <= 306)) || (a25 == 13 && a3 == 1))) && a8 == 15)) || (((a25 <= 10 && a29 <= 599998) && a4 == 1) && a8 == 15)) || ((((a4 == 0 && a25 == 11) && a29 <= 599998) && a23 <= 312) && a8 == 15)) || (((a4 == 0 && a29 + 22 <= 0) && a25 <= 10) && a8 == 15)) || ((((a29 + 21 <= 0 && a25 == 12) && a3 == 1) && a4 == 1) && a8 == 15)) || (((a25 == 12 && a29 + 22 <= 0) && a4 == 1) && a8 == 15)) || ((((a4 == 0 && a25 <= 10) && a29 <= 245) && a23 <= 138) && a8 == 15)) || ((((((a25 == 12 && a29 <= 599998) && a3 == 1) && 306 < a23) && a4 == 1) && a8 == 15) && (!(input == 6) || a29 <= 277))) || (((((0 < a23 + 43 && a25 <= 10) && a3 == 1) && a23 <= 138) && a4 == 1) && a8 == 15)) || ((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a29 <= 599998) && a8 == 15)) || (((((a25 == 13 && a4 == 0) && a29 + 22 <= 0) && 0 < a23 + 43) && a23 <= 138) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((a25 <= 10 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15) || (((a25 == 11 && a29 <= 599998) && a4 == 1) && a8 == 15)) || (((a25 == 12 && a4 == 0) && a29 <= 599998) && a8 == 15)) || (((a25 == 13 && a29 <= 245) && a4 == 1) && a8 == 15)) || ((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((a29 <= 599998 && a4 == 1) && ((a25 == 13 && !(a23 <= 306)) || (a25 == 13 && a3 == 1))) && a8 == 15)) || (((a25 <= 10 && a29 <= 599998) && a4 == 1) && a8 == 15)) || ((((a4 == 0 && a25 == 11) && a29 <= 599998) && a23 <= 312) && a8 == 15)) || (((a4 == 0 && a29 + 22 <= 0) && a25 <= 10) && a8 == 15)) || ((((a29 + 21 <= 0 && a25 == 12) && a3 == 1) && a4 == 1) && a8 == 15)) || (((a25 == 12 && a29 + 22 <= 0) && a4 == 1) && a8 == 15)) || ((((a4 == 0 && a25 <= 10) && a29 <= 245) && a23 <= 138) && a8 == 15)) || ((((((a25 == 12 && a29 <= 599998) && a3 == 1) && 306 < a23) && a4 == 1) && a8 == 15) && (!(input == 6) || a29 <= 277))) || (((((0 < a23 + 43 && a25 <= 10) && a3 == 1) && a23 <= 138) && a4 == 1) && a8 == 15)) || ((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a29 <= 599998) && a8 == 15)) || (((((a25 == 13 && a4 == 0) && a29 + 22 <= 0) && 0 < a23 + 43) && a23 <= 138) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-21 11:00:31,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE