./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label08.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem03_label08.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 cfb40cb555a14fd95bceea51ff65e6513c4cf2d7cc92f4af25db414fd945afd5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 08:40:59,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 08:40:59,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 08:41:00,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 08:41:00,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 08:41:00,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 08:41:00,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 08:41:00,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 08:41:00,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 08:41:00,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 08:41:00,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 08:41:00,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 08:41:00,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 08:41:00,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 08:41:00,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 08:41:00,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 08:41:00,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 08:41:00,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 08:41:00,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 08:41:00,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 08:41:00,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 08:41:00,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 08:41:00,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 08:41:00,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 08:41:00,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 08:41:00,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 08:41:00,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 08:41:00,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 08:41:00,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 08:41:00,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 08:41:00,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 08:41:00,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 08:41:00,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 08:41:00,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 08:41:00,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 08:41:00,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 08:41:00,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 08:41:00,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 08:41:00,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 08:41:00,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 08:41:00,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 08:41:00,059 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-22 08:41:00,088 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 08:41:00,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 08:41:00,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 08:41:00,089 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 08:41:00,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 08:41:00,090 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 08:41:00,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 08:41:00,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 08:41:00,091 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 08:41:00,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 08:41:00,092 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 08:41:00,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 08:41:00,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 08:41:00,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 08:41:00,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 08:41:00,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 08:41:00,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 08:41:00,093 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 08:41:00,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 08:41:00,093 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 08:41:00,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 08:41:00,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 08:41:00,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 08:41:00,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 08:41:00,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 08:41:00,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 08:41:00,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 08:41:00,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 08:41:00,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 08:41:00,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 08:41:00,095 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 08:41:00,095 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 08:41:00,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 08:41:00,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 08:41:00,095 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfb40cb555a14fd95bceea51ff65e6513c4cf2d7cc92f4af25db414fd945afd5 [2021-12-22 08:41:00,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 08:41:00,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 08:41:00,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 08:41:00,339 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 08:41:00,340 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 08:41:00,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label08.c [2021-12-22 08:41:00,396 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/496631563/8befd388310f4e32a50fa5c95e3ec9bd/FLAGf04351eb9 [2021-12-22 08:41:00,938 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 08:41:00,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label08.c [2021-12-22 08:41:00,956 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/496631563/8befd388310f4e32a50fa5c95e3ec9bd/FLAGf04351eb9 [2021-12-22 08:41:01,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/496631563/8befd388310f4e32a50fa5c95e3ec9bd [2021-12-22 08:41:01,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 08:41:01,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 08:41:01,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 08:41:01,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 08:41:01,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 08:41:01,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:41:01" (1/1) ... [2021-12-22 08:41:01,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52137bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:01, skipping insertion in model container [2021-12-22 08:41:01,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:41:01" (1/1) ... [2021-12-22 08:41:01,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 08:41:01,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 08:41:01,863 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/Problem03_label08.c[55410,55423] [2021-12-22 08:41:01,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 08:41:01,910 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 08:41:02,058 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/Problem03_label08.c[55410,55423] [2021-12-22 08:41:02,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 08:41:02,082 INFO L208 MainTranslator]: Completed translation [2021-12-22 08:41:02,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:02 WrapperNode [2021-12-22 08:41:02,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 08:41:02,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 08:41:02,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 08:41:02,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 08:41:02,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:02" (1/1) ... [2021-12-22 08:41:02,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:02" (1/1) ... [2021-12-22 08:41:02,191 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2021-12-22 08:41:02,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 08:41:02,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 08:41:02,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 08:41:02,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 08:41:02,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:02" (1/1) ... [2021-12-22 08:41:02,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:02" (1/1) ... [2021-12-22 08:41:02,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:02" (1/1) ... [2021-12-22 08:41:02,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:02" (1/1) ... [2021-12-22 08:41:02,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:02" (1/1) ... [2021-12-22 08:41:02,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:02" (1/1) ... [2021-12-22 08:41:02,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:02" (1/1) ... [2021-12-22 08:41:02,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 08:41:02,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 08:41:02,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 08:41:02,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 08:41:02,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:02" (1/1) ... [2021-12-22 08:41:02,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 08:41:02,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 08:41:02,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 08:41:02,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 08:41:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 08:41:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 08:41:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 08:41:02,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 08:41:02,469 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 08:41:02,471 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 08:41:03,921 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 08:41:03,951 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 08:41:03,951 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 08:41:03,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:41:03 BoogieIcfgContainer [2021-12-22 08:41:03,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 08:41:03,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 08:41:03,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 08:41:03,958 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 08:41:03,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 08:41:01" (1/3) ... [2021-12-22 08:41:03,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d1a8dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 08:41:03, skipping insertion in model container [2021-12-22 08:41:03,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:02" (2/3) ... [2021-12-22 08:41:03,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d1a8dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 08:41:03, skipping insertion in model container [2021-12-22 08:41:03,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:41:03" (3/3) ... [2021-12-22 08:41:03,960 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label08.c [2021-12-22 08:41:03,964 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 08:41:03,964 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 08:41:04,002 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 08:41:04,007 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 08:41:04,007 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 08:41:04,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:04,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-12-22 08:41:04,029 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:04,030 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:04,031 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:04,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:04,035 INFO L85 PathProgramCache]: Analyzing trace with hash -576261461, now seen corresponding path program 1 times [2021-12-22 08:41:04,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:04,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121723827] [2021-12-22 08:41:04,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:04,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:04,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:41:04,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:04,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121723827] [2021-12-22 08:41:04,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121723827] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:04,349 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:41:04,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 08:41:04,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785245027] [2021-12-22 08:41:04,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:04,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:41:04,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:04,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:41:04,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:04,375 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 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 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:05,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:05,159 INFO L93 Difference]: Finished difference Result 824 states and 1460 transitions. [2021-12-22 08:41:05,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:41:05,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 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 157 [2021-12-22 08:41:05,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:05,170 INFO L225 Difference]: With dead ends: 824 [2021-12-22 08:41:05,170 INFO L226 Difference]: Without dead ends: 445 [2021-12-22 08:41:05,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:05,175 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 73 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:05,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 247 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-22 08:41:05,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2021-12-22 08:41:05,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 444. [2021-12-22 08:41:05,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 443 states have (on average 1.417607223476298) internal successors, (628), 443 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:05,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 628 transitions. [2021-12-22 08:41:05,230 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 628 transitions. Word has length 157 [2021-12-22 08:41:05,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:05,231 INFO L470 AbstractCegarLoop]: Abstraction has 444 states and 628 transitions. [2021-12-22 08:41:05,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:05,231 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 628 transitions. [2021-12-22 08:41:05,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-12-22 08:41:05,233 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:05,233 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:05,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 08:41:05,233 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:05,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:05,234 INFO L85 PathProgramCache]: Analyzing trace with hash 933680492, now seen corresponding path program 1 times [2021-12-22 08:41:05,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:05,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668987796] [2021-12-22 08:41:05,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:05,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:05,370 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:41:05,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:05,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668987796] [2021-12-22 08:41:05,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668987796] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:05,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:41:05,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 08:41:05,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335616043] [2021-12-22 08:41:05,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:05,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:41:05,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:05,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:41:05,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:05,372 INFO L87 Difference]: Start difference. First operand 444 states and 628 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:06,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:06,007 INFO L93 Difference]: Finished difference Result 1313 states and 1864 transitions. [2021-12-22 08:41:06,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:41:06,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 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 165 [2021-12-22 08:41:06,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:06,012 INFO L225 Difference]: With dead ends: 1313 [2021-12-22 08:41:06,012 INFO L226 Difference]: Without dead ends: 871 [2021-12-22 08:41:06,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:06,014 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 249 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:06,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 90 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 08:41:06,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2021-12-22 08:41:06,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 857. [2021-12-22 08:41:06,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 856 states have (on average 1.3843457943925233) internal successors, (1185), 856 states have internal predecessors, (1185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:06,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1185 transitions. [2021-12-22 08:41:06,046 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1185 transitions. Word has length 165 [2021-12-22 08:41:06,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:06,047 INFO L470 AbstractCegarLoop]: Abstraction has 857 states and 1185 transitions. [2021-12-22 08:41:06,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:06,047 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1185 transitions. [2021-12-22 08:41:06,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-12-22 08:41:06,051 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:06,051 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:06,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 08:41:06,052 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:06,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:06,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1802100129, now seen corresponding path program 1 times [2021-12-22 08:41:06,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:06,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71351849] [2021-12-22 08:41:06,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:06,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-22 08:41:06,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:06,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71351849] [2021-12-22 08:41:06,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71351849] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:06,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:41:06,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:41:06,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582561036] [2021-12-22 08:41:06,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:06,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:41:06,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:06,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:41:06,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:06,206 INFO L87 Difference]: Start difference. First operand 857 states and 1185 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) [2021-12-22 08:41:06,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:06,785 INFO L93 Difference]: Finished difference Result 2130 states and 3052 transitions. [2021-12-22 08:41:06,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:41:06,786 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 172 [2021-12-22 08:41:06,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:06,790 INFO L225 Difference]: With dead ends: 2130 [2021-12-22 08:41:06,790 INFO L226 Difference]: Without dead ends: 1275 [2021-12-22 08:41:06,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:06,792 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 121 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:06,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 346 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 08:41:06,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2021-12-22 08:41:06,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 1273. [2021-12-22 08:41:06,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1273 states, 1272 states have (on average 1.395440251572327) internal successors, (1775), 1272 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:06,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1273 states and 1775 transitions. [2021-12-22 08:41:06,824 INFO L78 Accepts]: Start accepts. Automaton has 1273 states and 1775 transitions. Word has length 172 [2021-12-22 08:41:06,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:06,824 INFO L470 AbstractCegarLoop]: Abstraction has 1273 states and 1775 transitions. [2021-12-22 08:41:06,825 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) [2021-12-22 08:41:06,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1775 transitions. [2021-12-22 08:41:06,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-12-22 08:41:06,828 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:06,828 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:06,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 08:41:06,829 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:06,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:06,829 INFO L85 PathProgramCache]: Analyzing trace with hash 549135955, now seen corresponding path program 1 times [2021-12-22 08:41:06,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:06,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269248773] [2021-12-22 08:41:06,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:06,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:06,914 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-22 08:41:06,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:06,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269248773] [2021-12-22 08:41:06,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269248773] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:06,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:41:06,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:41:06,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683109061] [2021-12-22 08:41:06,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:06,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:41:06,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:06,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:41:06,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:06,919 INFO L87 Difference]: Start difference. First operand 1273 states and 1775 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:07,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:07,418 INFO L93 Difference]: Finished difference Result 3774 states and 5271 transitions. [2021-12-22 08:41:07,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:41:07,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 178 [2021-12-22 08:41:07,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:07,425 INFO L225 Difference]: With dead ends: 3774 [2021-12-22 08:41:07,425 INFO L226 Difference]: Without dead ends: 2503 [2021-12-22 08:41:07,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:07,435 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 216 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:07,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 365 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 08:41:07,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2021-12-22 08:41:07,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 2499. [2021-12-22 08:41:07,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2499 states, 2498 states have (on average 1.3062449959967974) internal successors, (3263), 2498 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:07,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2499 states and 3263 transitions. [2021-12-22 08:41:07,517 INFO L78 Accepts]: Start accepts. Automaton has 2499 states and 3263 transitions. Word has length 178 [2021-12-22 08:41:07,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:07,517 INFO L470 AbstractCegarLoop]: Abstraction has 2499 states and 3263 transitions. [2021-12-22 08:41:07,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:07,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 3263 transitions. [2021-12-22 08:41:07,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-12-22 08:41:07,535 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:07,535 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:07,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 08:41:07,536 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:07,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:07,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1011238727, now seen corresponding path program 1 times [2021-12-22 08:41:07,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:07,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437327687] [2021-12-22 08:41:07,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:07,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:07,653 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-22 08:41:07,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:07,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437327687] [2021-12-22 08:41:07,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437327687] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:07,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:41:07,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:41:07,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206611949] [2021-12-22 08:41:07,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:07,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:41:07,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:07,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:41:07,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:07,657 INFO L87 Difference]: Start difference. First operand 2499 states and 3263 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:08,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:08,270 INFO L93 Difference]: Finished difference Result 5818 states and 7631 transitions. [2021-12-22 08:41:08,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:41:08,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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 185 [2021-12-22 08:41:08,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:08,280 INFO L225 Difference]: With dead ends: 5818 [2021-12-22 08:41:08,280 INFO L226 Difference]: Without dead ends: 3321 [2021-12-22 08:41:08,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:08,283 INFO L933 BasicCegarLoop]: 343 mSDtfsCounter, 214 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:08,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 364 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 08:41:08,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3321 states. [2021-12-22 08:41:08,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3321 to 3312. [2021-12-22 08:41:08,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3312 states, 3311 states have (on average 1.266384778012685) internal successors, (4193), 3311 states have internal predecessors, (4193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:08,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 4193 transitions. [2021-12-22 08:41:08,330 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 4193 transitions. Word has length 185 [2021-12-22 08:41:08,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:08,331 INFO L470 AbstractCegarLoop]: Abstraction has 3312 states and 4193 transitions. [2021-12-22 08:41:08,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:08,331 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 4193 transitions. [2021-12-22 08:41:08,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-22 08:41:08,336 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:08,336 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:08,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 08:41:08,337 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:08,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:08,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1412304688, now seen corresponding path program 1 times [2021-12-22 08:41:08,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:08,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893456353] [2021-12-22 08:41:08,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:08,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:08,390 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-22 08:41:08,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:08,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893456353] [2021-12-22 08:41:08,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893456353] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:08,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:41:08,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 08:41:08,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9681816] [2021-12-22 08:41:08,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:08,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:41:08,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:08,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:41:08,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:08,392 INFO L87 Difference]: Start difference. First operand 3312 states and 4193 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:09,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:09,076 INFO L93 Difference]: Finished difference Result 8881 states and 11393 transitions. [2021-12-22 08:41:09,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:41:09,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 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 200 [2021-12-22 08:41:09,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:09,091 INFO L225 Difference]: With dead ends: 8881 [2021-12-22 08:41:09,091 INFO L226 Difference]: Without dead ends: 5571 [2021-12-22 08:41:09,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:09,096 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 211 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:09,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [211 Valid, 238 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 08:41:09,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5571 states. [2021-12-22 08:41:09,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5571 to 5551. [2021-12-22 08:41:09,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5551 states, 5550 states have (on average 1.2855855855855856) internal successors, (7135), 5550 states have internal predecessors, (7135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:09,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5551 states to 5551 states and 7135 transitions. [2021-12-22 08:41:09,184 INFO L78 Accepts]: Start accepts. Automaton has 5551 states and 7135 transitions. Word has length 200 [2021-12-22 08:41:09,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:09,185 INFO L470 AbstractCegarLoop]: Abstraction has 5551 states and 7135 transitions. [2021-12-22 08:41:09,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:09,185 INFO L276 IsEmpty]: Start isEmpty. Operand 5551 states and 7135 transitions. [2021-12-22 08:41:09,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-12-22 08:41:09,191 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:09,191 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:09,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 08:41:09,191 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:09,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:09,192 INFO L85 PathProgramCache]: Analyzing trace with hash -174676994, now seen corresponding path program 1 times [2021-12-22 08:41:09,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:09,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113876338] [2021-12-22 08:41:09,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:09,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:09,263 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:41:09,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:09,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113876338] [2021-12-22 08:41:09,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113876338] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:09,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:41:09,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:41:09,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255332966] [2021-12-22 08:41:09,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:09,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:41:09,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:09,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:41:09,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:41:09,265 INFO L87 Difference]: Start difference. First operand 5551 states and 7135 transitions. Second operand has 4 states, 4 states have (on average 50.25) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:10,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:10,203 INFO L93 Difference]: Finished difference Result 10714 states and 13855 transitions. [2021-12-22 08:41:10,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:41:10,205 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.25) internal successors, (201), 3 states have internal predecessors, (201), 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 201 [2021-12-22 08:41:10,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:10,221 INFO L225 Difference]: With dead ends: 10714 [2021-12-22 08:41:10,221 INFO L226 Difference]: Without dead ends: 5571 [2021-12-22 08:41:10,227 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 [2021-12-22 08:41:10,228 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 444 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:10,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [444 Valid, 122 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-22 08:41:10,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5571 states. [2021-12-22 08:41:10,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5571 to 5348. [2021-12-22 08:41:10,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5348 states, 5347 states have (on average 1.2870768655320741) internal successors, (6882), 5347 states have internal predecessors, (6882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:10,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5348 states to 5348 states and 6882 transitions. [2021-12-22 08:41:10,322 INFO L78 Accepts]: Start accepts. Automaton has 5348 states and 6882 transitions. Word has length 201 [2021-12-22 08:41:10,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:10,323 INFO L470 AbstractCegarLoop]: Abstraction has 5348 states and 6882 transitions. [2021-12-22 08:41:10,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.25) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:10,323 INFO L276 IsEmpty]: Start isEmpty. Operand 5348 states and 6882 transitions. [2021-12-22 08:41:10,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-22 08:41:10,331 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:10,331 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:10,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 08:41:10,332 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:10,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:10,333 INFO L85 PathProgramCache]: Analyzing trace with hash 2108065721, now seen corresponding path program 1 times [2021-12-22 08:41:10,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:10,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893817379] [2021-12-22 08:41:10,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:10,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:10,396 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-22 08:41:10,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:10,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893817379] [2021-12-22 08:41:10,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893817379] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:10,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:41:10,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 08:41:10,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275023121] [2021-12-22 08:41:10,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:10,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:41:10,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:10,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:41:10,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:10,398 INFO L87 Difference]: Start difference. First operand 5348 states and 6882 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 2 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:11,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:11,025 INFO L93 Difference]: Finished difference Result 14174 states and 18487 transitions. [2021-12-22 08:41:11,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:41:11,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 2 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 204 [2021-12-22 08:41:11,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:11,060 INFO L225 Difference]: With dead ends: 14174 [2021-12-22 08:41:11,061 INFO L226 Difference]: Without dead ends: 9234 [2021-12-22 08:41:11,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:11,068 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 217 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:11,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 167 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 08:41:11,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9234 states. [2021-12-22 08:41:11,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9234 to 9226. [2021-12-22 08:41:11,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9226 states, 9225 states have (on average 1.2719783197831978) internal successors, (11734), 9225 states have internal predecessors, (11734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:11,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9226 states to 9226 states and 11734 transitions. [2021-12-22 08:41:11,274 INFO L78 Accepts]: Start accepts. Automaton has 9226 states and 11734 transitions. Word has length 204 [2021-12-22 08:41:11,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:11,275 INFO L470 AbstractCegarLoop]: Abstraction has 9226 states and 11734 transitions. [2021-12-22 08:41:11,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 2 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:11,275 INFO L276 IsEmpty]: Start isEmpty. Operand 9226 states and 11734 transitions. [2021-12-22 08:41:11,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-22 08:41:11,282 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:11,282 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:11,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-22 08:41:11,284 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:11,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:11,285 INFO L85 PathProgramCache]: Analyzing trace with hash 338982323, now seen corresponding path program 1 times [2021-12-22 08:41:11,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:11,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809282127] [2021-12-22 08:41:11,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:11,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:11,371 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-22 08:41:11,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:11,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809282127] [2021-12-22 08:41:11,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809282127] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 08:41:11,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977781861] [2021-12-22 08:41:11,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:11,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 08:41:11,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 08:41:11,373 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 08:41:11,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 08:41:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:11,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 08:41:11,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 08:41:11,890 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-22 08:41:11,890 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 08:41:11,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977781861] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:11,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 08:41:11,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-22 08:41:11,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023176684] [2021-12-22 08:41:11,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:11,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:41:11,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:11,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:41:11,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:41:11,895 INFO L87 Difference]: Start difference. First operand 9226 states and 11734 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:12,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:12,499 INFO L93 Difference]: Finished difference Result 18272 states and 23294 transitions. [2021-12-22 08:41:12,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:41:12,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 208 [2021-12-22 08:41:12,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:12,518 INFO L225 Difference]: With dead ends: 18272 [2021-12-22 08:41:12,518 INFO L226 Difference]: Without dead ends: 9048 [2021-12-22 08:41:12,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:41:12,530 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 81 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:12,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 350 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 08:41:12,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9048 states. [2021-12-22 08:41:12,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9048 to 9023. [2021-12-22 08:41:12,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9023 states, 9022 states have (on average 1.262912879627577) internal successors, (11394), 9022 states have internal predecessors, (11394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:12,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9023 states to 9023 states and 11394 transitions. [2021-12-22 08:41:12,719 INFO L78 Accepts]: Start accepts. Automaton has 9023 states and 11394 transitions. Word has length 208 [2021-12-22 08:41:12,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:12,719 INFO L470 AbstractCegarLoop]: Abstraction has 9023 states and 11394 transitions. [2021-12-22 08:41:12,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:12,720 INFO L276 IsEmpty]: Start isEmpty. Operand 9023 states and 11394 transitions. [2021-12-22 08:41:12,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-12-22 08:41:12,730 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:12,731 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:12,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-22 08:41:12,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 08:41:12,949 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:12,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:12,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1274347428, now seen corresponding path program 1 times [2021-12-22 08:41:12,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:12,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578312388] [2021-12-22 08:41:12,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:12,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:13,022 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 93 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-22 08:41:13,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:13,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578312388] [2021-12-22 08:41:13,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578312388] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 08:41:13,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008530042] [2021-12-22 08:41:13,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:13,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 08:41:13,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 08:41:13,025 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) [2021-12-22 08:41:13,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-22 08:41:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:13,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-22 08:41:13,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 08:41:13,431 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-12-22 08:41:13,431 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 08:41:13,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008530042] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:13,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 08:41:13,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-12-22 08:41:13,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868678114] [2021-12-22 08:41:13,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:13,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:41:13,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:13,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:41:13,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:41:13,433 INFO L87 Difference]: Start difference. First operand 9023 states and 11394 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:13,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:13,732 INFO L93 Difference]: Finished difference Result 17391 states and 22071 transitions. [2021-12-22 08:41:13,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:41:13,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 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 242 [2021-12-22 08:41:13,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:13,746 INFO L225 Difference]: With dead ends: 17391 [2021-12-22 08:41:13,746 INFO L226 Difference]: Without dead ends: 8776 [2021-12-22 08:41:13,756 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:41:13,757 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 308 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:13,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [308 Valid, 31 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-22 08:41:13,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8776 states. [2021-12-22 08:41:13,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8776 to 8776. [2021-12-22 08:41:13,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8776 states, 8775 states have (on average 1.2361253561253562) internal successors, (10847), 8775 states have internal predecessors, (10847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:13,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8776 states to 8776 states and 10847 transitions. [2021-12-22 08:41:13,917 INFO L78 Accepts]: Start accepts. Automaton has 8776 states and 10847 transitions. Word has length 242 [2021-12-22 08:41:13,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:13,918 INFO L470 AbstractCegarLoop]: Abstraction has 8776 states and 10847 transitions. [2021-12-22 08:41:13,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:13,918 INFO L276 IsEmpty]: Start isEmpty. Operand 8776 states and 10847 transitions. [2021-12-22 08:41:13,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-12-22 08:41:13,929 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:13,929 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:13,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-22 08:41:14,148 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,SelfDestructingSolverStorable9 [2021-12-22 08:41:14,148 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:14,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:14,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1060980689, now seen corresponding path program 1 times [2021-12-22 08:41:14,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:14,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739883054] [2021-12-22 08:41:14,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:14,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:14,214 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-22 08:41:14,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:14,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739883054] [2021-12-22 08:41:14,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739883054] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:14,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:41:14,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:41:14,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777492755] [2021-12-22 08:41:14,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:14,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:41:14,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:14,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:41:14,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:41:14,216 INFO L87 Difference]: Start difference. First operand 8776 states and 10847 transitions. Second operand has 4 states, 4 states have (on average 52.25) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:14,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:14,878 INFO L93 Difference]: Finished difference Result 22219 states and 27711 transitions. [2021-12-22 08:41:14,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:41:14,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 52.25) internal successors, (209), 3 states have internal predecessors, (209), 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 247 [2021-12-22 08:41:14,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:14,901 INFO L225 Difference]: With dead ends: 22219 [2021-12-22 08:41:14,901 INFO L226 Difference]: Without dead ends: 13851 [2021-12-22 08:41:14,912 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 [2021-12-22 08:41:14,912 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 450 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:14,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [450 Valid, 55 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 08:41:14,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13851 states. [2021-12-22 08:41:15,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13851 to 13445. [2021-12-22 08:41:15,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13445 states, 13444 states have (on average 1.1928741445998214) internal successors, (16037), 13444 states have internal predecessors, (16037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:15,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13445 states to 13445 states and 16037 transitions. [2021-12-22 08:41:15,098 INFO L78 Accepts]: Start accepts. Automaton has 13445 states and 16037 transitions. Word has length 247 [2021-12-22 08:41:15,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:15,098 INFO L470 AbstractCegarLoop]: Abstraction has 13445 states and 16037 transitions. [2021-12-22 08:41:15,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.25) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:15,098 INFO L276 IsEmpty]: Start isEmpty. Operand 13445 states and 16037 transitions. [2021-12-22 08:41:15,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-12-22 08:41:15,111 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:15,111 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, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:15,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-22 08:41:15,111 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:15,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:15,112 INFO L85 PathProgramCache]: Analyzing trace with hash -892888228, now seen corresponding path program 1 times [2021-12-22 08:41:15,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:15,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934495237] [2021-12-22 08:41:15,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:15,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:15,177 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-12-22 08:41:15,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:15,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934495237] [2021-12-22 08:41:15,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934495237] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:15,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:41:15,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 08:41:15,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426552412] [2021-12-22 08:41:15,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:15,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:41:15,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:15,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:41:15,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:15,178 INFO L87 Difference]: Start difference. First operand 13445 states and 16037 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:15,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:15,793 INFO L93 Difference]: Finished difference Result 35644 states and 42941 transitions. [2021-12-22 08:41:15,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:41:15,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 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 255 [2021-12-22 08:41:15,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:15,827 INFO L225 Difference]: With dead ends: 35644 [2021-12-22 08:41:15,828 INFO L226 Difference]: Without dead ends: 22810 [2021-12-22 08:41:15,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:15,844 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 226 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:15,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 111 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 08:41:15,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22810 states. [2021-12-22 08:41:16,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22810 to 22807. [2021-12-22 08:41:16,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22807 states, 22806 states have (on average 1.1956941155836183) internal successors, (27269), 22806 states have internal predecessors, (27269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:16,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22807 states to 22807 states and 27269 transitions. [2021-12-22 08:41:16,133 INFO L78 Accepts]: Start accepts. Automaton has 22807 states and 27269 transitions. Word has length 255 [2021-12-22 08:41:16,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:16,133 INFO L470 AbstractCegarLoop]: Abstraction has 22807 states and 27269 transitions. [2021-12-22 08:41:16,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:16,134 INFO L276 IsEmpty]: Start isEmpty. Operand 22807 states and 27269 transitions. [2021-12-22 08:41:16,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-12-22 08:41:16,159 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:16,159 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:16,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-22 08:41:16,160 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:16,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:16,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1106386329, now seen corresponding path program 1 times [2021-12-22 08:41:16,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:16,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980994738] [2021-12-22 08:41:16,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:16,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:16,273 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-22 08:41:16,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:16,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980994738] [2021-12-22 08:41:16,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980994738] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:16,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:41:16,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:41:16,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672579631] [2021-12-22 08:41:16,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:16,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:41:16,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:16,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:41:16,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:16,275 INFO L87 Difference]: Start difference. First operand 22807 states and 27269 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:16,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:16,806 INFO L93 Difference]: Finished difference Result 36250 states and 43285 transitions. [2021-12-22 08:41:16,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:41:16,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 261 [2021-12-22 08:41:16,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:16,841 INFO L225 Difference]: With dead ends: 36250 [2021-12-22 08:41:16,842 INFO L226 Difference]: Without dead ends: 23822 [2021-12-22 08:41:16,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:16,858 INFO L933 BasicCegarLoop]: 343 mSDtfsCounter, 161 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:16,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 360 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-22 08:41:16,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23822 states. [2021-12-22 08:41:17,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23822 to 23822. [2021-12-22 08:41:17,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23822 states, 23821 states have (on average 1.1860543218168842) internal successors, (28253), 23821 states have internal predecessors, (28253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:17,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23822 states to 23822 states and 28253 transitions. [2021-12-22 08:41:17,109 INFO L78 Accepts]: Start accepts. Automaton has 23822 states and 28253 transitions. Word has length 261 [2021-12-22 08:41:17,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:17,109 INFO L470 AbstractCegarLoop]: Abstraction has 23822 states and 28253 transitions. [2021-12-22 08:41:17,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:17,110 INFO L276 IsEmpty]: Start isEmpty. Operand 23822 states and 28253 transitions. [2021-12-22 08:41:17,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-12-22 08:41:17,139 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:17,139 INFO L514 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2021-12-22 08:41:17,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-22 08:41:17,140 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:17,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:17,140 INFO L85 PathProgramCache]: Analyzing trace with hash 609352996, now seen corresponding path program 1 times [2021-12-22 08:41:17,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:17,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700625457] [2021-12-22 08:41:17,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:17,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:17,224 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-12-22 08:41:17,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:17,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700625457] [2021-12-22 08:41:17,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700625457] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:17,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:41:17,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 08:41:17,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446808390] [2021-12-22 08:41:17,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:17,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:41:17,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:17,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:41:17,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:17,228 INFO L87 Difference]: Start difference. First operand 23822 states and 28253 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 2 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:17,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:17,894 INFO L93 Difference]: Finished difference Result 52514 states and 62881 transitions. [2021-12-22 08:41:17,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:41:17,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 2 states have internal predecessors, (234), 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 [2021-12-22 08:41:17,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:17,928 INFO L225 Difference]: With dead ends: 52514 [2021-12-22 08:41:17,929 INFO L226 Difference]: Without dead ends: 30318 [2021-12-22 08:41:17,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:17,943 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 140 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:17,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 151 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 08:41:17,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30318 states. [2021-12-22 08:41:18,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30318 to 30318. [2021-12-22 08:41:18,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30318 states, 30317 states have (on average 1.1489923145429957) internal successors, (34834), 30317 states have internal predecessors, (34834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:18,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30318 states to 30318 states and 34834 transitions. [2021-12-22 08:41:18,258 INFO L78 Accepts]: Start accepts. Automaton has 30318 states and 34834 transitions. Word has length 271 [2021-12-22 08:41:18,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:18,258 INFO L470 AbstractCegarLoop]: Abstraction has 30318 states and 34834 transitions. [2021-12-22 08:41:18,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 2 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:18,258 INFO L276 IsEmpty]: Start isEmpty. Operand 30318 states and 34834 transitions. [2021-12-22 08:41:18,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-12-22 08:41:18,277 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:18,278 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:18,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-22 08:41:18,278 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:18,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:18,279 INFO L85 PathProgramCache]: Analyzing trace with hash -614942145, now seen corresponding path program 1 times [2021-12-22 08:41:18,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:18,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846963896] [2021-12-22 08:41:18,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:18,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:18,352 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-12-22 08:41:18,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:18,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846963896] [2021-12-22 08:41:18,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846963896] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:18,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:41:18,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 08:41:18,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861239290] [2021-12-22 08:41:18,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:18,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:41:18,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:18,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:41:18,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:18,354 INFO L87 Difference]: Start difference. First operand 30318 states and 34834 transitions. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 2 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:19,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:19,138 INFO L93 Difference]: Finished difference Result 54341 states and 62556 transitions. [2021-12-22 08:41:19,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:41:19,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 2 states have internal predecessors, (237), 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 278 [2021-12-22 08:41:19,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:19,224 INFO L225 Difference]: With dead ends: 54341 [2021-12-22 08:41:19,239 INFO L226 Difference]: Without dead ends: 36838 [2021-12-22 08:41:19,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:19,261 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 160 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:19,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 179 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 08:41:19,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36838 states. [2021-12-22 08:41:19,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36838 to 33781. [2021-12-22 08:41:19,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33781 states, 33780 states have (on average 1.159650680876258) internal successors, (39173), 33780 states have internal predecessors, (39173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:19,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33781 states to 33781 states and 39173 transitions. [2021-12-22 08:41:19,611 INFO L78 Accepts]: Start accepts. Automaton has 33781 states and 39173 transitions. Word has length 278 [2021-12-22 08:41:19,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:19,613 INFO L470 AbstractCegarLoop]: Abstraction has 33781 states and 39173 transitions. [2021-12-22 08:41:19,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 2 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:19,613 INFO L276 IsEmpty]: Start isEmpty. Operand 33781 states and 39173 transitions. [2021-12-22 08:41:19,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-12-22 08:41:19,631 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:19,632 INFO L514 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:19,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-22 08:41:19,632 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:19,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:19,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1402650254, now seen corresponding path program 1 times [2021-12-22 08:41:19,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:19,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591467247] [2021-12-22 08:41:19,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:19,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:19,703 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 111 proven. 6 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2021-12-22 08:41:19,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:19,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591467247] [2021-12-22 08:41:19,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591467247] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 08:41:19,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511952483] [2021-12-22 08:41:19,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:19,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 08:41:19,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 08:41:19,705 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 08:41:19,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-22 08:41:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:19,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 08:41:19,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 08:41:20,367 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-12-22 08:41:20,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 08:41:20,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511952483] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:20,367 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 08:41:20,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-22 08:41:20,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551224897] [2021-12-22 08:41:20,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:20,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:41:20,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:20,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:41:20,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:41:20,368 INFO L87 Difference]: Start difference. First operand 33781 states and 39173 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:21,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:21,210 INFO L93 Difference]: Finished difference Result 73076 states and 85096 transitions. [2021-12-22 08:41:21,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:41:21,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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 283 [2021-12-22 08:41:21,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:21,266 INFO L225 Difference]: With dead ends: 73076 [2021-12-22 08:41:21,267 INFO L226 Difference]: Without dead ends: 41327 [2021-12-22 08:41:21,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:41:21,293 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 100 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:21,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 91 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 08:41:21,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41327 states. [2021-12-22 08:41:21,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41327 to 39894. [2021-12-22 08:41:21,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39894 states, 39893 states have (on average 1.1409019126162485) internal successors, (45514), 39893 states have internal predecessors, (45514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:21,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39894 states to 39894 states and 45514 transitions. [2021-12-22 08:41:21,781 INFO L78 Accepts]: Start accepts. Automaton has 39894 states and 45514 transitions. Word has length 283 [2021-12-22 08:41:21,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:21,781 INFO L470 AbstractCegarLoop]: Abstraction has 39894 states and 45514 transitions. [2021-12-22 08:41:21,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:21,782 INFO L276 IsEmpty]: Start isEmpty. Operand 39894 states and 45514 transitions. [2021-12-22 08:41:21,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-12-22 08:41:21,798 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:21,798 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 08:41:21,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-22 08:41:22,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 08:41:22,008 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:22,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:22,009 INFO L85 PathProgramCache]: Analyzing trace with hash 209122463, now seen corresponding path program 1 times [2021-12-22 08:41:22,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:22,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206797903] [2021-12-22 08:41:22,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:22,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:22,119 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:41:22,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:22,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206797903] [2021-12-22 08:41:22,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206797903] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:22,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:41:22,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:41:22,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999673091] [2021-12-22 08:41:22,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:22,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:41:22,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:22,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:41:22,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:22,121 INFO L87 Difference]: Start difference. First operand 39894 states and 45514 transitions. Second operand has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:22,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:22,854 INFO L93 Difference]: Finished difference Result 72261 states and 82440 transitions. [2021-12-22 08:41:22,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:41:22,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 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 287 [2021-12-22 08:41:22,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:22,896 INFO L225 Difference]: With dead ends: 72261 [2021-12-22 08:41:22,897 INFO L226 Difference]: Without dead ends: 34399 [2021-12-22 08:41:22,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:41:22,916 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 218 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:22,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 349 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 08:41:22,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34399 states. [2021-12-22 08:41:23,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34399 to 34391. [2021-12-22 08:41:23,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34391 states, 34390 states have (on average 1.128351264902588) internal successors, (38804), 34390 states have internal predecessors, (38804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:23,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34391 states to 34391 states and 38804 transitions. [2021-12-22 08:41:23,269 INFO L78 Accepts]: Start accepts. Automaton has 34391 states and 38804 transitions. Word has length 287 [2021-12-22 08:41:23,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:23,269 INFO L470 AbstractCegarLoop]: Abstraction has 34391 states and 38804 transitions. [2021-12-22 08:41:23,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:23,269 INFO L276 IsEmpty]: Start isEmpty. Operand 34391 states and 38804 transitions. [2021-12-22 08:41:23,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2021-12-22 08:41:23,307 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:23,308 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:23,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-22 08:41:23,308 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:23,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:23,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1112573616, now seen corresponding path program 1 times [2021-12-22 08:41:23,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:23,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117520462] [2021-12-22 08:41:23,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:23,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:23,411 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 118 proven. 6 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2021-12-22 08:41:23,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:23,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117520462] [2021-12-22 08:41:23,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117520462] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 08:41:23,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580959082] [2021-12-22 08:41:23,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:23,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 08:41:23,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 08:41:23,413 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 08:41:23,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-22 08:41:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:23,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 08:41:23,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 08:41:24,042 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-12-22 08:41:24,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 08:41:24,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580959082] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:24,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 08:41:24,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-22 08:41:24,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814349728] [2021-12-22 08:41:24,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:24,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:41:24,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:24,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:41:24,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:41:24,051 INFO L87 Difference]: Start difference. First operand 34391 states and 38804 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:24,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:24,683 INFO L93 Difference]: Finished difference Result 65532 states and 74079 transitions. [2021-12-22 08:41:24,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:41:24,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 381 [2021-12-22 08:41:24,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:24,719 INFO L225 Difference]: With dead ends: 65532 [2021-12-22 08:41:24,720 INFO L226 Difference]: Without dead ends: 33173 [2021-12-22 08:41:24,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:41:24,740 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 239 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:24,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 118 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 08:41:24,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33173 states. [2021-12-22 08:41:25,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33173 to 31543. [2021-12-22 08:41:25,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31543 states, 31542 states have (on average 1.1144505738380572) internal successors, (35152), 31542 states have internal predecessors, (35152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:25,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31543 states to 31543 states and 35152 transitions. [2021-12-22 08:41:25,168 INFO L78 Accepts]: Start accepts. Automaton has 31543 states and 35152 transitions. Word has length 381 [2021-12-22 08:41:25,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:25,169 INFO L470 AbstractCegarLoop]: Abstraction has 31543 states and 35152 transitions. [2021-12-22 08:41:25,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:25,169 INFO L276 IsEmpty]: Start isEmpty. Operand 31543 states and 35152 transitions. [2021-12-22 08:41:25,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-12-22 08:41:25,191 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:25,191 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:25,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-22 08:41:25,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-22 08:41:25,408 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:25,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:25,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1832401213, now seen corresponding path program 1 times [2021-12-22 08:41:25,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:25,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989580866] [2021-12-22 08:41:25,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:25,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:25,538 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-22 08:41:25,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:25,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989580866] [2021-12-22 08:41:25,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989580866] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:25,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:41:25,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:41:25,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147929077] [2021-12-22 08:41:25,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:25,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:41:25,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:25,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:41:25,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:41:25,542 INFO L87 Difference]: Start difference. First operand 31543 states and 35152 transitions. Second operand has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:26,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:26,450 INFO L93 Difference]: Finished difference Result 65348 states and 72943 transitions. [2021-12-22 08:41:26,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:41:26,451 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 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 385 [2021-12-22 08:41:26,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:26,488 INFO L225 Difference]: With dead ends: 65348 [2021-12-22 08:41:26,489 INFO L226 Difference]: Without dead ends: 34416 [2021-12-22 08:41:26,508 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 [2021-12-22 08:41:26,509 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 376 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:26,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [376 Valid, 115 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-22 08:41:26,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34416 states. [2021-12-22 08:41:26,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34416 to 32769. [2021-12-22 08:41:26,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32769 states, 32768 states have (on average 1.115478515625) internal successors, (36552), 32768 states have internal predecessors, (36552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:26,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32769 states to 32769 states and 36552 transitions. [2021-12-22 08:41:26,987 INFO L78 Accepts]: Start accepts. Automaton has 32769 states and 36552 transitions. Word has length 385 [2021-12-22 08:41:26,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:26,988 INFO L470 AbstractCegarLoop]: Abstraction has 32769 states and 36552 transitions. [2021-12-22 08:41:26,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:26,988 INFO L276 IsEmpty]: Start isEmpty. Operand 32769 states and 36552 transitions. [2021-12-22 08:41:27,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2021-12-22 08:41:27,016 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:27,017 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:27,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-22 08:41:27,017 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:27,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:27,017 INFO L85 PathProgramCache]: Analyzing trace with hash -994476096, now seen corresponding path program 1 times [2021-12-22 08:41:27,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:27,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517161246] [2021-12-22 08:41:27,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:27,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:27,314 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-22 08:41:27,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:27,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517161246] [2021-12-22 08:41:27,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517161246] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:27,315 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:41:27,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:41:27,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485226295] [2021-12-22 08:41:27,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:27,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:41:27,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:27,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:41:27,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:41:27,318 INFO L87 Difference]: Start difference. First operand 32769 states and 36552 transitions. Second operand has 4 states, 4 states have (on average 68.5) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:28,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:28,264 INFO L93 Difference]: Finished difference Result 97088 states and 108424 transitions. [2021-12-22 08:41:28,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:41:28,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 68.5) internal successors, (274), 3 states have internal predecessors, (274), 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 397 [2021-12-22 08:41:28,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:28,341 INFO L225 Difference]: With dead ends: 97088 [2021-12-22 08:41:28,342 INFO L226 Difference]: Without dead ends: 64930 [2021-12-22 08:41:28,372 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 [2021-12-22 08:41:28,372 INFO L933 BasicCegarLoop]: 253 mSDtfsCounter, 428 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:28,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [428 Valid, 495 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-22 08:41:28,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64930 states. [2021-12-22 08:41:29,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64930 to 64928. [2021-12-22 08:41:29,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64928 states, 64927 states have (on average 1.114621035932663) internal successors, (72369), 64927 states have internal predecessors, (72369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:29,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64928 states to 64928 states and 72369 transitions. [2021-12-22 08:41:29,226 INFO L78 Accepts]: Start accepts. Automaton has 64928 states and 72369 transitions. Word has length 397 [2021-12-22 08:41:29,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:29,227 INFO L470 AbstractCegarLoop]: Abstraction has 64928 states and 72369 transitions. [2021-12-22 08:41:29,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 68.5) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:29,227 INFO L276 IsEmpty]: Start isEmpty. Operand 64928 states and 72369 transitions. [2021-12-22 08:41:29,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-12-22 08:41:29,492 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:29,492 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:29,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-22 08:41:29,493 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:29,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:29,493 INFO L85 PathProgramCache]: Analyzing trace with hash 311525937, now seen corresponding path program 1 times [2021-12-22 08:41:29,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:29,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942922931] [2021-12-22 08:41:29,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:29,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:29,614 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 143 proven. 6 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2021-12-22 08:41:29,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:29,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942922931] [2021-12-22 08:41:29,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942922931] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 08:41:29,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142652366] [2021-12-22 08:41:29,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:29,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 08:41:29,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 08:41:29,632 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 08:41:29,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-22 08:41:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:29,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 08:41:29,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 08:41:30,351 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-12-22 08:41:30,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 08:41:30,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142652366] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:30,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 08:41:30,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-22 08:41:30,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86672746] [2021-12-22 08:41:30,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:30,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:41:30,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:30,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:41:30,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:41:30,354 INFO L87 Difference]: Start difference. First operand 64928 states and 72369 transitions. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:31,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:31,125 INFO L93 Difference]: Finished difference Result 133344 states and 148656 transitions. [2021-12-22 08:41:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:41:31,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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 401 [2021-12-22 08:41:31,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:31,203 INFO L225 Difference]: With dead ends: 133344 [2021-12-22 08:41:31,204 INFO L226 Difference]: Without dead ends: 69027 [2021-12-22 08:41:31,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:41:31,380 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 205 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:31,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 126 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 08:41:31,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69027 states. [2021-12-22 08:41:32,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69027 to 62480. [2021-12-22 08:41:32,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62480 states, 62479 states have (on average 1.110309063845452) internal successors, (69371), 62479 states have internal predecessors, (69371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:32,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62480 states to 62480 states and 69371 transitions. [2021-12-22 08:41:32,368 INFO L78 Accepts]: Start accepts. Automaton has 62480 states and 69371 transitions. Word has length 401 [2021-12-22 08:41:32,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:32,368 INFO L470 AbstractCegarLoop]: Abstraction has 62480 states and 69371 transitions. [2021-12-22 08:41:32,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:32,368 INFO L276 IsEmpty]: Start isEmpty. Operand 62480 states and 69371 transitions. [2021-12-22 08:41:32,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2021-12-22 08:41:32,404 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:41:32,405 INFO L514 BasicCegarLoop]: trace histogram [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, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:32,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-22 08:41:32,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 08:41:32,618 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:41:32,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:41:32,619 INFO L85 PathProgramCache]: Analyzing trace with hash 616995643, now seen corresponding path program 1 times [2021-12-22 08:41:32,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:41:32,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829863690] [2021-12-22 08:41:32,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:32,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:41:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:32,711 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 147 proven. 6 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2021-12-22 08:41:32,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:41:32,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829863690] [2021-12-22 08:41:32,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829863690] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 08:41:32,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491725550] [2021-12-22 08:41:32,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:41:32,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 08:41:32,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 08:41:32,729 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 08:41:32,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-22 08:41:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:41:33,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 08:41:33,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 08:41:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2021-12-22 08:41:33,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 08:41:33,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491725550] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:41:33,508 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 08:41:33,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-22 08:41:33,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854178157] [2021-12-22 08:41:33,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:41:33,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:41:33,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:41:33,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:41:33,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:41:33,510 INFO L87 Difference]: Start difference. First operand 62480 states and 69371 transitions. Second operand has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:34,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:41:34,402 INFO L93 Difference]: Finished difference Result 121083 states and 134510 transitions. [2021-12-22 08:41:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:41:34,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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 405 [2021-12-22 08:41:34,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:41:34,403 INFO L225 Difference]: With dead ends: 121083 [2021-12-22 08:41:34,403 INFO L226 Difference]: Without dead ends: 0 [2021-12-22 08:41:34,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:41:34,438 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 94 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 08:41:34,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 95 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 08:41:34,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-22 08:41:34,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-22 08:41:34,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:34,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-22 08:41:34,440 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 405 [2021-12-22 08:41:34,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:41:34,440 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 08:41:34,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:41:34,440 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-22 08:41:34,440 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-22 08:41:34,443 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-22 08:41:34,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-22 08:41:34,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 08:41:34,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-22 08:41:44,129 INFO L858 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-12-22 08:41:44,129 INFO L858 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-12-22 08:41:44,129 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,130 INFO L858 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-12-22 08:41:44,130 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,130 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,130 INFO L858 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,130 INFO L858 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,130 INFO L858 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,130 INFO L858 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,130 INFO L858 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,130 INFO L858 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,130 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,131 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,131 INFO L858 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-12-22 08:41:44,131 INFO L858 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-12-22 08:41:44,131 INFO L858 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-12-22 08:41:44,131 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,131 INFO L858 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-12-22 08:41:44,131 INFO L858 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-12-22 08:41:44,131 INFO L858 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,131 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,131 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,132 INFO L858 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,132 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,132 INFO L858 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,132 INFO L858 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,132 INFO L858 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,132 INFO L858 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,132 INFO L858 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-12-22 08:41:44,132 INFO L858 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-12-22 08:41:44,132 INFO L858 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-12-22 08:41:44,132 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,133 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,133 INFO L858 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,133 INFO L858 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,133 INFO L858 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,133 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,133 INFO L858 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-12-22 08:41:44,133 INFO L858 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-12-22 08:41:44,133 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,133 INFO L858 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-12-22 08:41:44,133 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,134 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-12-22 08:41:44,134 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-12-22 08:41:44,134 INFO L858 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,134 INFO L858 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,134 INFO L858 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,134 INFO L858 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,134 INFO L858 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,134 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,134 INFO L858 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,134 INFO L858 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-12-22 08:41:44,135 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,135 INFO L858 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-12-22 08:41:44,135 INFO L858 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-12-22 08:41:44,135 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,135 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,135 INFO L858 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,135 INFO L858 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,135 INFO L858 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-12-22 08:41:44,135 INFO L858 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-12-22 08:41:44,135 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,136 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,136 INFO L858 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,136 INFO L858 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,136 INFO L858 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,136 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,136 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,136 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,136 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,136 INFO L858 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,136 INFO L858 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-12-22 08:41:44,137 INFO L858 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-12-22 08:41:44,137 INFO L858 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-12-22 08:41:44,137 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,137 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,137 INFO L858 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,137 INFO L858 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,137 INFO L858 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,137 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,137 INFO L858 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-12-22 08:41:44,138 INFO L858 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-12-22 08:41:44,138 INFO L858 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-12-22 08:41:44,138 INFO L858 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,138 INFO L858 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,138 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,138 INFO L858 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,138 INFO L858 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,138 INFO L858 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,138 INFO L858 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-12-22 08:41:44,138 INFO L858 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-12-22 08:41:44,139 INFO L858 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-12-22 08:41:44,139 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,139 INFO L858 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,139 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,139 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-12-22 08:41:44,139 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,139 INFO L858 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-12-22 08:41:44,139 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-22 08:41:44,139 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,139 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,140 INFO L858 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-12-22 08:41:44,140 INFO L858 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-12-22 08:41:44,140 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,140 INFO L858 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,140 INFO L858 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,140 INFO L858 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,140 INFO L858 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,140 INFO L858 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,140 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,140 INFO L858 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-12-22 08:41:44,141 INFO L858 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-12-22 08:41:44,141 INFO L858 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-12-22 08:41:44,141 INFO L858 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-12-22 08:41:44,141 INFO L858 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-12-22 08:41:44,141 INFO L858 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,141 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,141 INFO L858 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,142 INFO L858 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,142 INFO L858 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,142 INFO L858 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,142 INFO L858 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,142 INFO L858 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,142 INFO L858 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,142 INFO L858 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,142 INFO L858 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-12-22 08:41:44,142 INFO L858 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-12-22 08:41:44,142 INFO L858 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-12-22 08:41:44,143 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,143 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,143 INFO L858 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,143 INFO L858 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,143 INFO L858 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,143 INFO L858 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,143 INFO L858 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,143 INFO L858 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,143 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,144 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-22 08:41:44,144 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1516) no Hoare annotation was computed. [2021-12-22 08:41:44,144 INFO L858 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-12-22 08:41:44,144 INFO L858 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-12-22 08:41:44,144 INFO L858 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-12-22 08:41:44,144 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-12-22 08:41:44,144 INFO L858 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-12-22 08:41:44,144 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,144 INFO L858 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,144 INFO L858 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,145 INFO L858 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,145 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,145 INFO L858 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,145 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,145 INFO L858 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,145 INFO L858 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-12-22 08:41:44,145 INFO L858 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-12-22 08:41:44,145 INFO L858 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-12-22 08:41:44,145 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,146 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,146 INFO L858 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,146 INFO L858 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-12-22 08:41:44,146 INFO L858 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-12-22 08:41:44,146 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,146 INFO L858 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,146 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,146 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-12-22 08:41:44,147 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,147 INFO L858 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-12-22 08:41:44,147 INFO L858 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,147 INFO L858 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-12-22 08:41:44,147 INFO L858 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,147 INFO L858 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,147 INFO L858 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-12-22 08:41:44,147 INFO L858 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-12-22 08:41:44,148 INFO L858 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-12-22 08:41:44,148 INFO L858 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-12-22 08:41:44,148 INFO L858 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-12-22 08:41:44,148 INFO L858 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-12-22 08:41:44,148 INFO L858 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-12-22 08:41:44,148 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,148 INFO L858 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,148 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,150 INFO L854 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse9 (= ~a16~0 1)) (.cse3 (= ~a6~0 1)) (.cse6 (= ~a26~0 1)) (.cse1 (= ~a12~0 1)) (.cse7 (= ~a11~0 1)) (.cse13 (= ~a6~0 0)) (.cse2 (= ~a3~0 1)) (.cse5 (<= ~a27~0 0)) (.cse0 (= ~a5~0 1)) (.cse12 (<= ~a26~0 0)) (.cse4 (<= ~a11~0 0)) (.cse10 (<= ~a12~0 0)) (.cse8 (= ~a27~0 1)) (.cse11 (<= ~a6~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse7 .cse3 .cse8) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse8) (and .cse0 .cse9 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse1 .cse7 .cse5 .cse11) (and .cse0 .cse9 .cse7 .cse10 .cse8 .cse11) (and .cse6 .cse0 .cse1 .cse7 .cse3 .cse5) (and .cse6 .cse0 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse1 .cse4 .cse8 .cse11) (and .cse6 .cse0 .cse4 .cse10 .cse8 .cse11) (and .cse0 .cse12 .cse7 .cse3 .cse10 .cse8) (and .cse0 .cse1 .cse12 .cse4 .cse5 .cse11) (and (= ~a15~0 1) .cse0 .cse7 .cse3 .cse8 (= ~a12~0 ~a6~0)) (and .cse6 .cse0 .cse1 .cse7 .cse8 .cse11) (and .cse0 .cse1 .cse12 .cse3 .cse4 .cse8) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse9 .cse12 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse12 .cse4 .cse8 .cse11) (and .cse0 .cse9 .cse7 .cse10 .cse5 .cse11) (and .cse0 .cse3 .cse4 .cse10 .cse5) (and .cse0 .cse7 .cse13 .cse2 .cse10 .cse5) (and .cse6 .cse0 .cse7 .cse3 .cse10 .cse8) (and .cse0 .cse7 .cse3 .cse10 .cse5) (and .cse0 .cse12 .cse7 .cse10 .cse5 .cse11) (and .cse0 .cse12 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse7 .cse10 .cse8 .cse11) (and .cse6 .cse0 .cse2 .cse3 .cse10 .cse8) (and .cse0 .cse12 .cse7 .cse10 .cse8 .cse11) (and .cse0 .cse1 .cse9 .cse7 .cse3 .cse8) (and .cse0 .cse1 .cse9 .cse12 .cse7 .cse2 .cse3 (= ~a22~0 1) .cse5) (and .cse6 .cse0 .cse1 .cse4 .cse5 .cse11) (and .cse0 .cse2 .cse4 .cse10 .cse5 .cse11) (and .cse0 .cse1 .cse7 .cse13 .cse2 .cse5) (and .cse0 .cse12 .cse4 .cse10 .cse8 .cse11))) [2021-12-22 08:41:44,150 INFO L858 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,150 INFO L858 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,150 INFO L858 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,150 INFO L858 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-12-22 08:41:44,150 INFO L858 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-12-22 08:41:44,151 INFO L858 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,151 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,151 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,151 INFO L861 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-12-22 08:41:44,151 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,151 INFO L858 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,151 INFO L858 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,151 INFO L858 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,151 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,151 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,152 INFO L858 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-12-22 08:41:44,152 INFO L858 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-12-22 08:41:44,152 INFO L858 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,152 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,152 INFO L858 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,152 INFO L858 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,152 INFO L858 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,152 INFO L858 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,152 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,152 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,153 INFO L858 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,153 INFO L858 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-12-22 08:41:44,153 INFO L858 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-12-22 08:41:44,153 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,153 INFO L858 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,153 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-12-22 08:41:44,153 INFO L858 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-12-22 08:41:44,153 INFO L858 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,153 INFO L854 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse9 (= ~a16~0 1)) (.cse3 (= ~a6~0 1)) (.cse6 (= ~a26~0 1)) (.cse1 (= ~a12~0 1)) (.cse7 (= ~a11~0 1)) (.cse13 (= ~a6~0 0)) (.cse2 (= ~a3~0 1)) (.cse5 (<= ~a27~0 0)) (.cse0 (= ~a5~0 1)) (.cse12 (<= ~a26~0 0)) (.cse4 (<= ~a11~0 0)) (.cse10 (<= ~a12~0 0)) (.cse8 (= ~a27~0 1)) (.cse11 (<= ~a6~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse7 .cse3 .cse8) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse8) (and .cse0 .cse9 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse1 .cse7 .cse5 .cse11) (and .cse0 .cse9 .cse7 .cse10 .cse8 .cse11) (and .cse6 .cse0 .cse1 .cse7 .cse3 .cse5) (and .cse6 .cse0 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse1 .cse4 .cse8 .cse11) (and .cse6 .cse0 .cse4 .cse10 .cse8 .cse11) (and .cse0 .cse12 .cse7 .cse3 .cse10 .cse8) (and .cse0 .cse1 .cse12 .cse4 .cse5 .cse11) (and (= ~a15~0 1) .cse0 .cse7 .cse3 .cse8 (= ~a12~0 ~a6~0)) (and .cse6 .cse0 .cse1 .cse7 .cse8 .cse11) (and .cse0 .cse1 .cse12 .cse3 .cse4 .cse8) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse9 .cse12 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse12 .cse4 .cse8 .cse11) (and .cse0 .cse9 .cse7 .cse10 .cse5 .cse11) (and .cse0 .cse3 .cse4 .cse10 .cse5) (and .cse0 .cse7 .cse13 .cse2 .cse10 .cse5) (and .cse6 .cse0 .cse7 .cse3 .cse10 .cse8) (and .cse0 .cse7 .cse3 .cse10 .cse5) (and .cse0 .cse12 .cse7 .cse10 .cse5 .cse11) (and .cse0 .cse12 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse7 .cse10 .cse8 .cse11) (and .cse6 .cse0 .cse2 .cse3 .cse10 .cse8) (and .cse0 .cse12 .cse7 .cse10 .cse8 .cse11) (and .cse0 .cse1 .cse9 .cse7 .cse3 .cse8) (and .cse0 .cse1 .cse9 .cse12 .cse7 .cse2 .cse3 (= ~a22~0 1) .cse5) (and .cse6 .cse0 .cse1 .cse4 .cse5 .cse11) (and .cse0 .cse2 .cse4 .cse10 .cse5 .cse11) (and .cse0 .cse1 .cse7 .cse13 .cse2 .cse5) (and .cse0 .cse12 .cse4 .cse10 .cse8 .cse11))) [2021-12-22 08:41:44,154 INFO L858 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,154 INFO L858 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,154 INFO L858 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,154 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,154 INFO L858 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-12-22 08:41:44,154 INFO L858 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-12-22 08:41:44,154 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,154 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,154 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,154 INFO L858 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,155 INFO L858 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,155 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,155 INFO L858 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,155 INFO L858 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,155 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-22 08:41:44,155 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-12-22 08:41:44,155 INFO L858 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-12-22 08:41:44,155 INFO L858 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-12-22 08:41:44,155 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,155 INFO L858 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-12-22 08:41:44,156 INFO L858 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,156 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,156 INFO L858 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-12-22 08:41:44,156 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,156 INFO L858 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,156 INFO L858 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,157 INFO L858 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,157 INFO L858 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,157 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-12-22 08:41:44,157 INFO L858 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,158 INFO L858 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-12-22 08:41:44,158 INFO L858 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-12-22 08:41:44,158 INFO L858 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-12-22 08:41:44,158 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,158 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,158 INFO L858 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,159 INFO L858 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,159 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,159 INFO L858 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,160 INFO L858 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,160 INFO L858 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,160 INFO L858 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-12-22 08:41:44,160 INFO L858 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-12-22 08:41:44,160 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,161 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,161 INFO L858 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-12-22 08:41:44,161 INFO L858 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-12-22 08:41:44,161 INFO L858 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-12-22 08:41:44,161 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,161 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,161 INFO L858 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,161 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,161 INFO L858 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,161 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-22 08:41:44,162 INFO L858 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,162 INFO L858 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,162 INFO L858 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,162 INFO L858 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,162 INFO L858 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,162 INFO L858 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,162 INFO L858 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-12-22 08:41:44,162 INFO L858 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-12-22 08:41:44,162 INFO L858 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-12-22 08:41:44,162 INFO L858 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,163 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,163 INFO L858 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,163 INFO L858 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,163 INFO L858 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,163 INFO L858 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,163 INFO L858 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,163 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-12-22 08:41:44,163 INFO L858 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-12-22 08:41:44,163 INFO L858 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,163 INFO L858 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-12-22 08:41:44,164 INFO L858 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-12-22 08:41:44,164 INFO L858 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-12-22 08:41:44,164 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,164 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,164 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,164 INFO L858 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,164 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-12-22 08:41:44,164 INFO L858 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-12-22 08:41:44,164 INFO L858 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-12-22 08:41:44,165 INFO L858 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,165 INFO L858 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,165 INFO L858 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-12-22 08:41:44,167 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:41:44,168 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-22 08:41:44,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 08:41:44 BoogieIcfgContainer [2021-12-22 08:41:44,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-22 08:41:44,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 08:41:44,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 08:41:44,204 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 08:41:44,204 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:41:03" (3/4) ... [2021-12-22 08:41:44,206 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-22 08:41:44,233 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-22 08:41:44,235 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-22 08:41:44,237 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-22 08:41:44,238 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-22 08:41:44,347 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-22 08:41:44,347 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 08:41:44,348 INFO L158 Benchmark]: Toolchain (without parser) took 42910.36ms. Allocated memory was 88.1MB in the beginning and 6.7GB in the end (delta: 6.6GB). Free memory was 59.0MB in the beginning and 4.7GB in the end (delta: -4.6GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2021-12-22 08:41:44,348 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 73.4MB. Free memory was 51.8MB in the beginning and 51.7MB in the end (delta: 42.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 08:41:44,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 644.48ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 58.8MB in the beginning and 75.6MB in the end (delta: -16.8MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2021-12-22 08:41:44,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.47ms. Allocated memory is still 113.2MB. Free memory was 75.6MB in the beginning and 60.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-22 08:41:44,349 INFO L158 Benchmark]: Boogie Preprocessor took 127.45ms. Allocated memory is still 113.2MB. Free memory was 60.9MB in the beginning and 70.4MB in the end (delta: -9.4MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2021-12-22 08:41:44,349 INFO L158 Benchmark]: RCFGBuilder took 1633.10ms. Allocated memory was 113.2MB in the beginning and 203.4MB in the end (delta: 90.2MB). Free memory was 70.4MB in the beginning and 152.5MB in the end (delta: -82.1MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2021-12-22 08:41:44,349 INFO L158 Benchmark]: TraceAbstraction took 40248.25ms. Allocated memory was 203.4MB in the beginning and 6.7GB in the end (delta: 6.5GB). Free memory was 152.5MB in the beginning and 4.7GB in the end (delta: -4.5GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2021-12-22 08:41:44,351 INFO L158 Benchmark]: Witness Printer took 143.95ms. Allocated memory is still 6.7GB. Free memory was 4.7GB in the beginning and 4.7GB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-22 08:41:44,358 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 73.4MB. Free memory was 51.8MB in the beginning and 51.7MB in the end (delta: 42.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 644.48ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 58.8MB in the beginning and 75.6MB in the end (delta: -16.8MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.47ms. Allocated memory is still 113.2MB. Free memory was 75.6MB in the beginning and 60.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.45ms. Allocated memory is still 113.2MB. Free memory was 60.9MB in the beginning and 70.4MB in the end (delta: -9.4MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1633.10ms. Allocated memory was 113.2MB in the beginning and 203.4MB in the end (delta: 90.2MB). Free memory was 70.4MB in the beginning and 152.5MB in the end (delta: -82.1MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. * TraceAbstraction took 40248.25ms. Allocated memory was 203.4MB in the beginning and 6.7GB in the end (delta: 6.5GB). Free memory was 152.5MB in the beginning and 4.7GB in the end (delta: -4.5GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. * Witness Printer took 143.95ms. Allocated memory is still 6.7GB. Free memory was 4.7GB in the beginning and 4.7GB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. 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: 1516]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40.2s, OverallIterations: 22, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 16.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4931 SdHoareTripleChecker+Valid, 12.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4931 mSDsluCounter, 4565 SdHoareTripleChecker+Invalid, 9.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 671 mSDsCounter, 2471 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14454 IncrementalHoareTripleChecker+Invalid, 16925 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2471 mSolverCounterUnsat, 3894 mSDtfsCounter, 14454 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1973 GetRequests, 1935 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64928occurred in iteration=20, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.9s AutomataMinimizationTime, 22 MinimizatonAttempts, 15039 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 523 NumberOfFragments, 1307 HoareAnnotationTreeSize, 3 FomulaSimplifications, 180 FormulaSimplificationTreeSizeReduction, 5.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 21078 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 7683 NumberOfCodeBlocks, 7683 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 7655 ConstructedInterpolants, 0 QuantifiedInterpolants, 14206 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3726 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 5531/5567 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((a5 == 1 && a12 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a27 <= 0) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a5 == 1 && a16 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a16 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a15 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a12 == a6)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 1) && a11 <= 0) && a27 <= 0)) || ((((((a5 == 1 && a12 == 1) && a16 == 1) && a26 <= 0) && a6 == 1) && a11 <= 0) && a27 <= 0)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a16 == 1) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((a5 == 1 && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0)) || (((((a5 == 1 && a11 == 1) && a6 == 0) && a3 == 1) && a12 <= 0) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((a5 == 1 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a26 <= 0) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a3 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a16 == 1) && a26 <= 0) && a11 == 1) && a3 == 1) && a6 == 1) && a22 == 1) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a3 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a11 == 1) && a6 == 0) && a3 == 1) && a27 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((a5 == 1 && a12 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a27 <= 0) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a5 == 1 && a16 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a16 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a15 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a12 == a6)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 1) && a11 <= 0) && a27 <= 0)) || ((((((a5 == 1 && a12 == 1) && a16 == 1) && a26 <= 0) && a6 == 1) && a11 <= 0) && a27 <= 0)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a16 == 1) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((a5 == 1 && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0)) || (((((a5 == 1 && a11 == 1) && a6 == 0) && a3 == 1) && a12 <= 0) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((a5 == 1 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a26 <= 0) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a3 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a16 == 1) && a26 <= 0) && a11 == 1) && a3 == 1) && a6 == 1) && a22 == 1) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a3 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a11 == 1) && a6 == 0) && a3 == 1) && a27 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0) RESULT: Ultimate proved your program to be correct! [2021-12-22 08:41:44,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE