./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label27.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label27.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 7c6f0a8bc653ee68bba5d1e7193079f2216382bf70b295e228b301f341587f5f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 09:13:36,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 09:13:36,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 09:13:36,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 09:13:36,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 09:13:36,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 09:13:36,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 09:13:36,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 09:13:36,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 09:13:36,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 09:13:36,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 09:13:36,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 09:13:36,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 09:13:36,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 09:13:36,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 09:13:36,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 09:13:36,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 09:13:36,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 09:13:36,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 09:13:36,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 09:13:36,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 09:13:36,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 09:13:36,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 09:13:36,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 09:13:36,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 09:13:36,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 09:13:36,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 09:13:36,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 09:13:36,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 09:13:36,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 09:13:36,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 09:13:36,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 09:13:36,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 09:13:36,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 09:13:36,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 09:13:36,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 09:13:36,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 09:13:36,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 09:13:36,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 09:13:36,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 09:13:36,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 09:13:36,926 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-22 09:13:36,946 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 09:13:36,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 09:13:36,948 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 09:13:36,948 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 09:13:36,949 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 09:13:36,949 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 09:13:36,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 09:13:36,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 09:13:36,950 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 09:13:36,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 09:13:36,951 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 09:13:36,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 09:13:36,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 09:13:36,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 09:13:36,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 09:13:36,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 09:13:36,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 09:13:36,952 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 09:13:36,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 09:13:36,953 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 09:13:36,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 09:13:36,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 09:13:36,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 09:13:36,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 09:13:36,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 09:13:36,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 09:13:36,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 09:13:36,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 09:13:36,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 09:13:36,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 09:13:36,955 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 09:13:36,955 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 09:13:36,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 09:13:36,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 09:13:36,956 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c6f0a8bc653ee68bba5d1e7193079f2216382bf70b295e228b301f341587f5f [2021-12-22 09:13:37,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 09:13:37,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 09:13:37,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 09:13:37,247 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 09:13:37,248 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 09:13:37,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label27.c [2021-12-22 09:13:37,301 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5955c9107/bc76ad4d61a14a11b1be12474ca24696/FLAG9838c3dc9 [2021-12-22 09:13:37,846 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 09:13:37,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label27.c [2021-12-22 09:13:37,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5955c9107/bc76ad4d61a14a11b1be12474ca24696/FLAG9838c3dc9 [2021-12-22 09:13:38,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5955c9107/bc76ad4d61a14a11b1be12474ca24696 [2021-12-22 09:13:38,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 09:13:38,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 09:13:38,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 09:13:38,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 09:13:38,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 09:13:38,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 09:13:38" (1/1) ... [2021-12-22 09:13:38,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@464eab5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:13:38, skipping insertion in model container [2021-12-22 09:13:38,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 09:13:38" (1/1) ... [2021-12-22 09:13:38,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 09:13:38,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 09:13:38,560 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label27.c[6152,6165] [2021-12-22 09:13:38,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 09:13:38,773 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 09:13:38,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label27.c[6152,6165] [2021-12-22 09:13:38,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 09:13:38,951 INFO L208 MainTranslator]: Completed translation [2021-12-22 09:13:38,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:13:38 WrapperNode [2021-12-22 09:13:38,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 09:13:38,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 09:13:38,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 09:13:38,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 09:13:38,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:13:38" (1/1) ... [2021-12-22 09:13:38,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:13:38" (1/1) ... [2021-12-22 09:13:39,074 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-12-22 09:13:39,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 09:13:39,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 09:13:39,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 09:13:39,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 09:13:39,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:13:38" (1/1) ... [2021-12-22 09:13:39,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:13:38" (1/1) ... [2021-12-22 09:13:39,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:13:38" (1/1) ... [2021-12-22 09:13:39,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:13:38" (1/1) ... [2021-12-22 09:13:39,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:13:38" (1/1) ... [2021-12-22 09:13:39,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:13:38" (1/1) ... [2021-12-22 09:13:39,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:13:38" (1/1) ... [2021-12-22 09:13:39,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 09:13:39,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 09:13:39,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 09:13:39,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 09:13:39,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:13:38" (1/1) ... [2021-12-22 09:13:39,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 09:13:39,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 09:13:39,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 09:13:39,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 09:13:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 09:13:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 09:13:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 09:13:39,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 09:13:39,307 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 09:13:39,309 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 09:13:40,689 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 09:13:40,703 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 09:13:40,703 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 09:13:40,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 09:13:40 BoogieIcfgContainer [2021-12-22 09:13:40,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 09:13:40,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 09:13:40,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 09:13:40,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 09:13:40,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 09:13:38" (1/3) ... [2021-12-22 09:13:40,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565e592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 09:13:40, skipping insertion in model container [2021-12-22 09:13:40,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:13:38" (2/3) ... [2021-12-22 09:13:40,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565e592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 09:13:40, skipping insertion in model container [2021-12-22 09:13:40,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 09:13:40" (3/3) ... [2021-12-22 09:13:40,713 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label27.c [2021-12-22 09:13:40,717 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 09:13:40,717 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 09:13:40,768 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 09:13:40,774 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 09:13:40,774 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 09:13:40,800 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:40,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-22 09:13:40,807 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:40,808 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] [2021-12-22 09:13:40,808 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:40,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:40,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1824112922, now seen corresponding path program 1 times [2021-12-22 09:13:40,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:40,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767023976] [2021-12-22 09:13:40,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:40,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:41,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 09:13:41,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:41,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767023976] [2021-12-22 09:13:41,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767023976] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:41,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:41,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 09:13:41,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131714544] [2021-12-22 09:13:41,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:41,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:41,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:41,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:41,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:41,119 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:42,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:42,077 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2021-12-22 09:13:42,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:42,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 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 42 [2021-12-22 09:13:42,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:42,090 INFO L225 Difference]: With dead ends: 761 [2021-12-22 09:13:42,090 INFO L226 Difference]: Without dead ends: 413 [2021-12-22 09:13:42,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:42,096 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 186 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:42,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-22 09:13:42,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-12-22 09:13:42,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2021-12-22 09:13:42,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:42,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2021-12-22 09:13:42,144 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 42 [2021-12-22 09:13:42,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:42,144 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2021-12-22 09:13:42,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:42,145 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2021-12-22 09:13:42,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-12-22 09:13:42,148 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:42,148 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:42,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 09:13:42,149 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:42,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:42,149 INFO L85 PathProgramCache]: Analyzing trace with hash -931056718, now seen corresponding path program 1 times [2021-12-22 09:13:42,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:42,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081028117] [2021-12-22 09:13:42,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:42,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:42,244 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 09:13:42,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:42,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081028117] [2021-12-22 09:13:42,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081028117] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:42,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:42,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 09:13:42,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950764732] [2021-12-22 09:13:42,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:42,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:42,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:42,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:42,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:42,248 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:42,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:42,999 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2021-12-22 09:13:43,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:43,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 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 110 [2021-12-22 09:13:43,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:43,003 INFO L225 Difference]: With dead ends: 1211 [2021-12-22 09:13:43,003 INFO L226 Difference]: Without dead ends: 800 [2021-12-22 09:13:43,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:43,006 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:43,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-22 09:13:43,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-12-22 09:13:43,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2021-12-22 09:13:43,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:43,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2021-12-22 09:13:43,054 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 110 [2021-12-22 09:13:43,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:43,054 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2021-12-22 09:13:43,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:43,055 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2021-12-22 09:13:43,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-22 09:13:43,058 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:43,058 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:43,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 09:13:43,058 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:43,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:43,059 INFO L85 PathProgramCache]: Analyzing trace with hash -533535347, now seen corresponding path program 1 times [2021-12-22 09:13:43,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:43,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372544540] [2021-12-22 09:13:43,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:43,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:43,155 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 09:13:43,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:43,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372544540] [2021-12-22 09:13:43,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372544540] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:43,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:43,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 09:13:43,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138515046] [2021-12-22 09:13:43,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:43,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:43,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:43,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:43,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:43,158 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:43,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:43,778 INFO L93 Difference]: Finished difference Result 1945 states and 2612 transitions. [2021-12-22 09:13:43,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:43,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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 112 [2021-12-22 09:13:43,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:43,782 INFO L225 Difference]: With dead ends: 1945 [2021-12-22 09:13:43,782 INFO L226 Difference]: Without dead ends: 1158 [2021-12-22 09:13:43,783 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:43,784 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:43,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:13:43,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-12-22 09:13:43,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2021-12-22 09:13:43,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2707612456747406) internal successors, (1469), 1156 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:43,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1469 transitions. [2021-12-22 09:13:43,803 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1469 transitions. Word has length 112 [2021-12-22 09:13:43,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:43,803 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 1469 transitions. [2021-12-22 09:13:43,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:43,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1469 transitions. [2021-12-22 09:13:43,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-12-22 09:13:43,806 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:43,806 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:43,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 09:13:43,806 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:43,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:43,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1645744975, now seen corresponding path program 1 times [2021-12-22 09:13:43,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:43,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354706917] [2021-12-22 09:13:43,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:43,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:44,031 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 09:13:44,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:44,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354706917] [2021-12-22 09:13:44,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354706917] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:44,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:44,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:44,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077267285] [2021-12-22 09:13:44,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:44,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 09:13:44,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:44,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 09:13:44,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-22 09:13:44,036 INFO L87 Difference]: Start difference. First operand 1157 states and 1469 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:45,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:45,137 INFO L93 Difference]: Finished difference Result 3445 states and 4564 transitions. [2021-12-22 09:13:45,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 09:13:45,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 169 [2021-12-22 09:13:45,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:45,145 INFO L225 Difference]: With dead ends: 3445 [2021-12-22 09:13:45,146 INFO L226 Difference]: Without dead ends: 2474 [2021-12-22 09:13:45,147 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 09:13:45,148 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 322 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:45,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 95 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-22 09:13:45,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2474 states. [2021-12-22 09:13:45,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2474 to 2473. [2021-12-22 09:13:45,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2473 states, 2472 states have (on average 1.286812297734628) internal successors, (3181), 2472 states have internal predecessors, (3181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:45,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2473 states and 3181 transitions. [2021-12-22 09:13:45,183 INFO L78 Accepts]: Start accepts. Automaton has 2473 states and 3181 transitions. Word has length 169 [2021-12-22 09:13:45,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:45,184 INFO L470 AbstractCegarLoop]: Abstraction has 2473 states and 3181 transitions. [2021-12-22 09:13:45,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:45,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 3181 transitions. [2021-12-22 09:13:45,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-12-22 09:13:45,187 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:45,187 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 09:13:45,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 09:13:45,187 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:45,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:45,188 INFO L85 PathProgramCache]: Analyzing trace with hash -756200215, now seen corresponding path program 1 times [2021-12-22 09:13:45,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:45,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494208246] [2021-12-22 09:13:45,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:45,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:45,307 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-22 09:13:45,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:45,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494208246] [2021-12-22 09:13:45,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494208246] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:45,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:45,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:45,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780957456] [2021-12-22 09:13:45,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:45,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:45,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:45,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:45,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:45,311 INFO L87 Difference]: Start difference. First operand 2473 states and 3181 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:46,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:46,068 INFO L93 Difference]: Finished difference Result 5690 states and 7506 transitions. [2021-12-22 09:13:46,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:46,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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 224 [2021-12-22 09:13:46,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:46,080 INFO L225 Difference]: With dead ends: 5690 [2021-12-22 09:13:46,080 INFO L226 Difference]: Without dead ends: 3587 [2021-12-22 09:13:46,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:46,084 INFO L933 BasicCegarLoop]: 372 mSDtfsCounter, 155 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:46,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 393 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-22 09:13:46,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3587 states. [2021-12-22 09:13:46,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3587 to 3578. [2021-12-22 09:13:46,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3578 states, 3577 states have (on average 1.25020967291026) internal successors, (4472), 3577 states have internal predecessors, (4472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:46,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 3578 states and 4472 transitions. [2021-12-22 09:13:46,135 INFO L78 Accepts]: Start accepts. Automaton has 3578 states and 4472 transitions. Word has length 224 [2021-12-22 09:13:46,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:46,136 INFO L470 AbstractCegarLoop]: Abstraction has 3578 states and 4472 transitions. [2021-12-22 09:13:46,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:46,136 INFO L276 IsEmpty]: Start isEmpty. Operand 3578 states and 4472 transitions. [2021-12-22 09:13:46,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-12-22 09:13:46,139 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:46,140 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 09:13:46,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 09:13:46,140 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:46,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:46,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1234528902, now seen corresponding path program 1 times [2021-12-22 09:13:46,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:46,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929185742] [2021-12-22 09:13:46,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:46,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:46,239 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-22 09:13:46,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:46,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929185742] [2021-12-22 09:13:46,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929185742] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:46,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:46,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:46,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897662719] [2021-12-22 09:13:46,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:46,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:46,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:46,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:46,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:46,242 INFO L87 Difference]: Start difference. First operand 3578 states and 4472 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:46,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:46,979 INFO L93 Difference]: Finished difference Result 8082 states and 10282 transitions. [2021-12-22 09:13:46,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:46,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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 230 [2021-12-22 09:13:46,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:46,995 INFO L225 Difference]: With dead ends: 8082 [2021-12-22 09:13:46,996 INFO L226 Difference]: Without dead ends: 4690 [2021-12-22 09:13:47,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:47,002 INFO L933 BasicCegarLoop]: 369 mSDtfsCounter, 154 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:47,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 391 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-22 09:13:47,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4690 states. [2021-12-22 09:13:47,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4690 to 4682. [2021-12-22 09:13:47,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4682 states, 4681 states have (on average 1.230506302072207) internal successors, (5760), 4681 states have internal predecessors, (5760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:47,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4682 states to 4682 states and 5760 transitions. [2021-12-22 09:13:47,084 INFO L78 Accepts]: Start accepts. Automaton has 4682 states and 5760 transitions. Word has length 230 [2021-12-22 09:13:47,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:47,085 INFO L470 AbstractCegarLoop]: Abstraction has 4682 states and 5760 transitions. [2021-12-22 09:13:47,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:47,085 INFO L276 IsEmpty]: Start isEmpty. Operand 4682 states and 5760 transitions. [2021-12-22 09:13:47,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-12-22 09:13:47,088 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:47,088 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 09:13:47,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 09:13:47,089 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:47,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:47,090 INFO L85 PathProgramCache]: Analyzing trace with hash 832494091, now seen corresponding path program 1 times [2021-12-22 09:13:47,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:47,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793054264] [2021-12-22 09:13:47,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:47,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:47,199 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-12-22 09:13:47,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:47,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793054264] [2021-12-22 09:13:47,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793054264] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:47,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:47,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:47,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326787414] [2021-12-22 09:13:47,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:47,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:47,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:47,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:47,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:47,202 INFO L87 Difference]: Start difference. First operand 4682 states and 5760 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:47,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:47,910 INFO L93 Difference]: Finished difference Result 10127 states and 12816 transitions. [2021-12-22 09:13:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:47,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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 236 [2021-12-22 09:13:47,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:47,933 INFO L225 Difference]: With dead ends: 10127 [2021-12-22 09:13:47,933 INFO L226 Difference]: Without dead ends: 6557 [2021-12-22 09:13:47,938 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:47,939 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 194 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:47,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 351 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-22 09:13:47,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6557 states. [2021-12-22 09:13:48,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6557 to 6552. [2021-12-22 09:13:48,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6552 states, 6551 states have (on average 1.2398107159212335) internal successors, (8122), 6551 states have internal predecessors, (8122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:48,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6552 states to 6552 states and 8122 transitions. [2021-12-22 09:13:48,050 INFO L78 Accepts]: Start accepts. Automaton has 6552 states and 8122 transitions. Word has length 236 [2021-12-22 09:13:48,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:48,051 INFO L470 AbstractCegarLoop]: Abstraction has 6552 states and 8122 transitions. [2021-12-22 09:13:48,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:48,051 INFO L276 IsEmpty]: Start isEmpty. Operand 6552 states and 8122 transitions. [2021-12-22 09:13:48,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-22 09:13:48,058 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:48,058 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:48,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 09:13:48,058 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:48,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:48,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1561755943, now seen corresponding path program 1 times [2021-12-22 09:13:48,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:48,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655330025] [2021-12-22 09:13:48,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:48,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:48,184 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-22 09:13:48,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:48,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655330025] [2021-12-22 09:13:48,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655330025] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:48,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:48,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:48,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040138346] [2021-12-22 09:13:48,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:48,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:48,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:48,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:48,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:48,187 INFO L87 Difference]: Start difference. First operand 6552 states and 8122 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) 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 09:13:48,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:48,890 INFO L93 Difference]: Finished difference Result 12754 states and 15900 transitions. [2021-12-22 09:13:48,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:48,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) 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 301 [2021-12-22 09:13:48,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:48,912 INFO L225 Difference]: With dead ends: 12754 [2021-12-22 09:13:48,912 INFO L226 Difference]: Without dead ends: 6572 [2021-12-22 09:13:48,919 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:48,920 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 137 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:48,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 345 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:13:48,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6572 states. [2021-12-22 09:13:49,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6572 to 6368. [2021-12-22 09:13:49,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6368 states, 6367 states have (on average 1.19396890215172) internal successors, (7602), 6367 states have internal predecessors, (7602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:49,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6368 states to 6368 states and 7602 transitions. [2021-12-22 09:13:49,020 INFO L78 Accepts]: Start accepts. Automaton has 6368 states and 7602 transitions. Word has length 301 [2021-12-22 09:13:49,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:49,020 INFO L470 AbstractCegarLoop]: Abstraction has 6368 states and 7602 transitions. [2021-12-22 09:13:49,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) 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 09:13:49,021 INFO L276 IsEmpty]: Start isEmpty. Operand 6368 states and 7602 transitions. [2021-12-22 09:13:49,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-12-22 09:13:49,026 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:49,027 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, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:49,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-22 09:13:49,029 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:49,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:49,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1727303645, now seen corresponding path program 1 times [2021-12-22 09:13:49,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:49,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676225971] [2021-12-22 09:13:49,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:49,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:49,171 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-12-22 09:13:49,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:49,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676225971] [2021-12-22 09:13:49,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676225971] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:49,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:49,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:49,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570602020] [2021-12-22 09:13:49,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:49,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:49,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:49,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:49,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:49,174 INFO L87 Difference]: Start difference. First operand 6368 states and 7602 transitions. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:49,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:49,769 INFO L93 Difference]: Finished difference Result 11961 states and 14348 transitions. [2021-12-22 09:13:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:49,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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 302 [2021-12-22 09:13:49,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:49,795 INFO L225 Difference]: With dead ends: 11961 [2021-12-22 09:13:49,796 INFO L226 Difference]: Without dead ends: 5963 [2021-12-22 09:13:49,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:49,805 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 161 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:49,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 150 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:13:49,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5963 states. [2021-12-22 09:13:49,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5963 to 5777. [2021-12-22 09:13:49,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5777 states, 5776 states have (on average 1.143005540166205) internal successors, (6602), 5776 states have internal predecessors, (6602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:49,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5777 states to 5777 states and 6602 transitions. [2021-12-22 09:13:49,897 INFO L78 Accepts]: Start accepts. Automaton has 5777 states and 6602 transitions. Word has length 302 [2021-12-22 09:13:49,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:49,897 INFO L470 AbstractCegarLoop]: Abstraction has 5777 states and 6602 transitions. [2021-12-22 09:13:49,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:49,898 INFO L276 IsEmpty]: Start isEmpty. Operand 5777 states and 6602 transitions. [2021-12-22 09:13:49,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-12-22 09:13:49,904 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:49,905 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:49,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-22 09:13:49,905 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:49,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:49,908 INFO L85 PathProgramCache]: Analyzing trace with hash -475459102, now seen corresponding path program 1 times [2021-12-22 09:13:49,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:49,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788495875] [2021-12-22 09:13:49,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:49,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:50,042 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-12-22 09:13:50,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:50,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788495875] [2021-12-22 09:13:50,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788495875] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:50,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:50,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:50,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472170113] [2021-12-22 09:13:50,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:50,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:50,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:50,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:50,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:50,044 INFO L87 Difference]: Start difference. First operand 5777 states and 6602 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 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 09:13:50,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:50,608 INFO L93 Difference]: Finished difference Result 11731 states and 13447 transitions. [2021-12-22 09:13:50,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:50,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 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 307 [2021-12-22 09:13:50,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:50,620 INFO L225 Difference]: With dead ends: 11731 [2021-12-22 09:13:50,620 INFO L226 Difference]: Without dead ends: 7064 [2021-12-22 09:13:50,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:50,625 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 180 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:50,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 146 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 09:13:50,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7064 states. [2021-12-22 09:13:50,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7064 to 4480. [2021-12-22 09:13:50,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4480 states, 4479 states have (on average 1.1431123018530922) internal successors, (5120), 4479 states have internal predecessors, (5120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:50,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4480 states to 4480 states and 5120 transitions. [2021-12-22 09:13:50,688 INFO L78 Accepts]: Start accepts. Automaton has 4480 states and 5120 transitions. Word has length 307 [2021-12-22 09:13:50,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:50,688 INFO L470 AbstractCegarLoop]: Abstraction has 4480 states and 5120 transitions. [2021-12-22 09:13:50,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 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 09:13:50,689 INFO L276 IsEmpty]: Start isEmpty. Operand 4480 states and 5120 transitions. [2021-12-22 09:13:50,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-12-22 09:13:50,696 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:50,696 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 09:13:50,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-22 09:13:50,696 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:50,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:50,697 INFO L85 PathProgramCache]: Analyzing trace with hash 545119418, now seen corresponding path program 1 times [2021-12-22 09:13:50,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:50,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062330821] [2021-12-22 09:13:50,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:50,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:50,859 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 09:13:50,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:50,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062330821] [2021-12-22 09:13:50,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062330821] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:50,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:50,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:50,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075615798] [2021-12-22 09:13:50,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:50,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:50,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:50,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:50,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:50,863 INFO L87 Difference]: Start difference. First operand 4480 states and 5120 transitions. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:51,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:51,527 INFO L93 Difference]: Finished difference Result 11719 states and 13483 transitions. [2021-12-22 09:13:51,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:51,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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 344 [2021-12-22 09:13:51,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:51,538 INFO L225 Difference]: With dead ends: 11719 [2021-12-22 09:13:51,538 INFO L226 Difference]: Without dead ends: 7609 [2021-12-22 09:13:51,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:51,543 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 59 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:51,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 72 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:13:51,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7609 states. [2021-12-22 09:13:51,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7609 to 7604. [2021-12-22 09:13:51,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7604 states, 7603 states have (on average 1.1379718532158358) internal successors, (8652), 7603 states have internal predecessors, (8652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:51,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7604 states to 7604 states and 8652 transitions. [2021-12-22 09:13:51,638 INFO L78 Accepts]: Start accepts. Automaton has 7604 states and 8652 transitions. Word has length 344 [2021-12-22 09:13:51,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:51,638 INFO L470 AbstractCegarLoop]: Abstraction has 7604 states and 8652 transitions. [2021-12-22 09:13:51,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:51,639 INFO L276 IsEmpty]: Start isEmpty. Operand 7604 states and 8652 transitions. [2021-12-22 09:13:51,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-12-22 09:13:51,645 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:51,646 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:51,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-22 09:13:51,646 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:51,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:51,647 INFO L85 PathProgramCache]: Analyzing trace with hash -830854078, now seen corresponding path program 1 times [2021-12-22 09:13:51,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:51,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882587830] [2021-12-22 09:13:51,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:51,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:51,819 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 09:13:51,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:51,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882587830] [2021-12-22 09:13:51,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882587830] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:51,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:51,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 09:13:51,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784927747] [2021-12-22 09:13:51,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:51,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 09:13:51,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:51,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 09:13:51,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-22 09:13:51,822 INFO L87 Difference]: Start difference. First operand 7604 states and 8652 transitions. Second operand has 4 states, 4 states have (on average 86.75) internal successors, (347), 4 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:52,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:52,835 INFO L93 Difference]: Finished difference Result 18155 states and 20711 transitions. [2021-12-22 09:13:52,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 09:13:52,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 86.75) internal successors, (347), 4 states have internal predecessors, (347), 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 347 [2021-12-22 09:13:52,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:52,851 INFO L225 Difference]: With dead ends: 18155 [2021-12-22 09:13:52,852 INFO L226 Difference]: Without dead ends: 10921 [2021-12-22 09:13:52,859 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-22 09:13:52,859 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 243 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:52,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 59 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-22 09:13:52,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10921 states. [2021-12-22 09:13:52,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10921 to 9814. [2021-12-22 09:13:53,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9814 states, 9813 states have (on average 1.120350555385713) internal successors, (10994), 9813 states have internal predecessors, (10994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:53,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9814 states to 9814 states and 10994 transitions. [2021-12-22 09:13:53,020 INFO L78 Accepts]: Start accepts. Automaton has 9814 states and 10994 transitions. Word has length 347 [2021-12-22 09:13:53,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:53,021 INFO L470 AbstractCegarLoop]: Abstraction has 9814 states and 10994 transitions. [2021-12-22 09:13:53,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 86.75) internal successors, (347), 4 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:53,021 INFO L276 IsEmpty]: Start isEmpty. Operand 9814 states and 10994 transitions. [2021-12-22 09:13:53,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2021-12-22 09:13:53,032 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:53,032 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:53,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-22 09:13:53,033 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:53,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:53,033 INFO L85 PathProgramCache]: Analyzing trace with hash -645462609, now seen corresponding path program 1 times [2021-12-22 09:13:53,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:53,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249265711] [2021-12-22 09:13:53,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:53,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:53,228 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-12-22 09:13:53,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:53,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249265711] [2021-12-22 09:13:53,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249265711] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:53,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:53,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 09:13:53,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823657508] [2021-12-22 09:13:53,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:53,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 09:13:53,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:53,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 09:13:53,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-22 09:13:53,231 INFO L87 Difference]: Start difference. First operand 9814 states and 10994 transitions. Second operand has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:54,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:54,206 INFO L93 Difference]: Finished difference Result 21101 states and 23697 transitions. [2021-12-22 09:13:54,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 09:13:54,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 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 421 [2021-12-22 09:13:54,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:54,224 INFO L225 Difference]: With dead ends: 21101 [2021-12-22 09:13:54,224 INFO L226 Difference]: Without dead ends: 11657 [2021-12-22 09:13:54,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-22 09:13:54,233 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 243 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:54,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 59 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-22 09:13:54,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11657 states. [2021-12-22 09:13:54,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11657 to 9814. [2021-12-22 09:13:54,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9814 states, 9813 states have (on average 1.120350555385713) internal successors, (10994), 9813 states have internal predecessors, (10994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:54,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9814 states to 9814 states and 10994 transitions. [2021-12-22 09:13:54,361 INFO L78 Accepts]: Start accepts. Automaton has 9814 states and 10994 transitions. Word has length 421 [2021-12-22 09:13:54,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:54,362 INFO L470 AbstractCegarLoop]: Abstraction has 9814 states and 10994 transitions. [2021-12-22 09:13:54,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:54,363 INFO L276 IsEmpty]: Start isEmpty. Operand 9814 states and 10994 transitions. [2021-12-22 09:13:54,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 741 [2021-12-22 09:13:54,380 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:54,381 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:54,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-22 09:13:54,381 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:54,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:54,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1954952988, now seen corresponding path program 1 times [2021-12-22 09:13:54,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:54,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861830759] [2021-12-22 09:13:54,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:54,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:54,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 973 proven. 0 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2021-12-22 09:13:54,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:54,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861830759] [2021-12-22 09:13:54,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861830759] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:54,642 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:54,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:54,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213127653] [2021-12-22 09:13:54,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:54,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:54,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:54,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:54,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:54,645 INFO L87 Difference]: Start difference. First operand 9814 states and 10994 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:55,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:55,252 INFO L93 Difference]: Finished difference Result 20914 states and 23478 transitions. [2021-12-22 09:13:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:55,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 740 [2021-12-22 09:13:55,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:55,264 INFO L225 Difference]: With dead ends: 20914 [2021-12-22 09:13:55,265 INFO L226 Difference]: Without dead ends: 10364 [2021-12-22 09:13:55,273 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:55,274 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 197 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:55,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 347 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 09:13:55,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10364 states. [2021-12-22 09:13:55,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10364 to 10364. [2021-12-22 09:13:55,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10364 states, 10363 states have (on average 1.1002605423140017) internal successors, (11402), 10363 states have internal predecessors, (11402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:55,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10364 states to 10364 states and 11402 transitions. [2021-12-22 09:13:55,459 INFO L78 Accepts]: Start accepts. Automaton has 10364 states and 11402 transitions. Word has length 740 [2021-12-22 09:13:55,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:55,459 INFO L470 AbstractCegarLoop]: Abstraction has 10364 states and 11402 transitions. [2021-12-22 09:13:55,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:55,460 INFO L276 IsEmpty]: Start isEmpty. Operand 10364 states and 11402 transitions. [2021-12-22 09:13:55,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2021-12-22 09:13:55,477 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:55,478 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:55,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-22 09:13:55,478 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:55,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:55,479 INFO L85 PathProgramCache]: Analyzing trace with hash 754672283, now seen corresponding path program 1 times [2021-12-22 09:13:55,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:55,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009506845] [2021-12-22 09:13:55,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:55,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:55,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 1461 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-22 09:13:55,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:55,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009506845] [2021-12-22 09:13:55,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009506845] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:55,791 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:55,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:55,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949346640] [2021-12-22 09:13:55,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:55,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:55,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:55,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:55,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:55,793 INFO L87 Difference]: Start difference. First operand 10364 states and 11402 transitions. Second operand has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:56,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:56,385 INFO L93 Difference]: Finished difference Result 21091 states and 23196 transitions. [2021-12-22 09:13:56,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:56,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 840 [2021-12-22 09:13:56,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:56,386 INFO L225 Difference]: With dead ends: 21091 [2021-12-22 09:13:56,386 INFO L226 Difference]: Without dead ends: 0 [2021-12-22 09:13:56,393 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:56,394 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 60 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:56,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 313 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 09:13:56,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-22 09:13:56,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-22 09:13:56,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:56,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-22 09:13:56,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 840 [2021-12-22 09:13:56,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:56,397 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 09:13:56,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:56,397 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-22 09:13:56,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-22 09:13:56,400 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-22 09:13:56,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-22 09:13:56,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-22 09:13:58,580 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-12-22 09:13:58,580 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,581 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-12-22 09:13:58,581 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,581 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,581 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,581 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,581 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,581 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,581 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-22 09:13:58,581 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-12-22 09:13:58,581 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-12-22 09:13:58,581 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,581 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,581 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,582 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,582 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,582 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,582 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,582 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,582 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,582 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,583 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-22 09:13:58,583 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-12-22 09:13:58,583 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-12-22 09:13:58,583 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,583 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-12-22 09:13:58,583 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-12-22 09:13:58,583 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,583 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,583 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,583 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,584 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,584 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,584 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-22 09:13:58,584 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-12-22 09:13:58,584 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-12-22 09:13:58,584 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,584 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,584 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,584 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse1 (= ~a25~0 11)) (.cse7 (<= (+ ~a23~0 43) 0)) (.cse3 (= ~a25~0 13)) (.cse10 (<= ~a29~0 274)) (.cse6 (<= ~a23~0 138)) (.cse8 (<= (+ ~a29~0 22) 0)) (.cse0 (= ~a4~0 0)) (.cse5 (<= ~a25~0 10)) (.cse9 (<= ~a29~0 599999)) (.cse2 (<= ~a29~0 599998)) (.cse11 (= ~a25~0 12)) (.cse4 (= ~a4~0 1))) (or (and .cse0 .cse1 .cse2 (<= ~a23~0 312)) (and .cse3 .cse2 .cse4) (and .cse5 .cse6 (not .cse7) .cse4) (and .cse3 .cse0 .cse8 .cse6) (and .cse1 .cse9 .cse4) (and .cse3 .cse7 .cse0 .cse10) (and .cse7 .cse0 .cse5 .cse2) (and .cse3 .cse9 (<= (+ ~a23~0 599772) 0) .cse4) (and .cse0 .cse10 .cse5 .cse6) (and .cse0 .cse8 .cse5) (and .cse11 .cse0 .cse2) (and .cse5 .cse9 .cse4) (and .cse11 (<= 307 ~a23~0) .cse2 .cse4) (and (<= (+ ~a29~0 21) 0) .cse11 .cse4))) [2021-12-22 09:13:58,584 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,585 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-12-22 09:13:58,585 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-12-22 09:13:58,585 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,585 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,585 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,585 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,585 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,585 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,585 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-22 09:13:58,585 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-22 09:13:58,585 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-12-22 09:13:58,585 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-12-22 09:13:58,586 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,586 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,586 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,586 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,586 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,586 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,586 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,586 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-12-22 09:13:58,586 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-22 09:13:58,586 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-12-22 09:13:58,586 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,586 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,586 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,586 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,586 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,586 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,587 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,587 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,587 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,587 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-22 09:13:58,587 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-12-22 09:13:58,587 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-22 09:13:58,587 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,587 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse1 (= ~a25~0 11)) (.cse7 (<= (+ ~a23~0 43) 0)) (.cse3 (= ~a25~0 13)) (.cse10 (<= ~a29~0 274)) (.cse6 (<= ~a23~0 138)) (.cse8 (<= (+ ~a29~0 22) 0)) (.cse0 (= ~a4~0 0)) (.cse5 (<= ~a25~0 10)) (.cse9 (<= ~a29~0 599999)) (.cse2 (<= ~a29~0 599998)) (.cse11 (= ~a25~0 12)) (.cse4 (= ~a4~0 1))) (or (and .cse0 .cse1 .cse2 (<= ~a23~0 312)) (and .cse3 .cse2 .cse4) (and .cse5 .cse6 (not .cse7) .cse4) (and .cse3 .cse0 .cse8 .cse6) (and .cse1 .cse9 .cse4) (and .cse3 .cse7 .cse0 .cse10) (and .cse7 .cse0 .cse5 .cse2) (and .cse3 .cse9 (<= (+ ~a23~0 599772) 0) .cse4) (and .cse0 .cse10 .cse5 .cse6) (and .cse0 .cse8 .cse5) (and .cse11 .cse0 .cse2) (and .cse5 .cse9 .cse4) (and .cse11 (<= 307 ~a23~0) .cse2 .cse4) (and (<= (+ ~a29~0 21) 0) .cse11 .cse4))) [2021-12-22 09:13:58,588 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,588 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,588 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,588 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,588 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,588 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,588 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,588 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,588 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-22 09:13:58,588 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-22 09:13:58,588 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-12-22 09:13:58,588 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-12-22 09:13:58,588 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-22 09:13:58,588 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-12-22 09:13:58,588 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-12-22 09:13:58,588 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,589 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,589 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,589 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,589 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,589 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,589 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,589 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,589 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,589 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,589 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-22 09:13:58,589 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-22 09:13:58,589 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-12-22 09:13:58,589 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-12-22 09:13:58,589 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-12-22 09:13:58,589 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,589 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,590 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,590 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,590 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,590 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-22 09:13:58,590 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-12-22 09:13:58,590 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-12-22 09:13:58,590 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,590 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,591 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,591 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,591 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-12-22 09:13:58,591 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-12-22 09:13:58,591 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,591 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,591 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,592 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,592 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,592 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,592 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-12-22 09:13:58,592 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-12-22 09:13:58,592 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,592 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,592 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-22 09:13:58,593 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-22 09:13:58,593 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-12-22 09:13:58,593 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-22 09:13:58,593 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2021-12-22 09:13:58,593 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,593 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,593 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,594 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,594 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,594 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,594 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,594 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-22 09:13:58,594 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-12-22 09:13:58,594 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-12-22 09:13:58,594 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-12-22 09:13:58,595 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-12-22 09:13:58,595 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-12-22 09:13:58,595 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-12-22 09:13:58,595 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,595 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,595 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-12-22 09:13:58,595 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-12-22 09:13:58,595 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,596 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,596 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,596 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,596 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,596 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-12-22 09:13:58,596 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-22 09:13:58,596 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-12-22 09:13:58,596 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,597 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,597 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,597 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,597 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,597 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,597 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-22 09:13:58,597 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-22 09:13:58,597 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-22 09:13:58,598 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,598 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,598 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,598 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,598 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,598 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,598 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,599 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,599 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-22 09:13:58,599 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-12-22 09:13:58,599 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-12-22 09:13:58,599 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,599 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,599 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,599 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,599 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,599 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,599 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,599 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,599 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,599 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,599 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,600 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-12-22 09:13:58,600 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-12-22 09:13:58,600 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-22 09:13:58,600 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-22 09:13:58,600 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-12-22 09:13:58,600 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,600 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,600 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,600 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,600 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,600 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,601 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,601 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-12-22 09:13:58,601 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-12-22 09:13:58,601 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-22 09:13:58,601 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,601 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,601 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,601 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-12-22 09:13:58,601 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-12-22 09:13:58,602 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,602 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,602 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,602 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,602 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,602 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-12-22 09:13:58,602 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-12-22 09:13:58,602 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,603 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,603 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-12-22 09:13:58,603 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-12-22 09:13:58,603 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,603 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-22 09:13:58,603 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,603 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,604 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,604 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,604 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,604 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-12-22 09:13:58,604 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-22 09:13:58,604 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-12-22 09:13:58,604 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-12-22 09:13:58,604 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,605 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,605 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,605 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,605 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,605 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,605 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,605 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,605 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-12-22 09:13:58,606 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-12-22 09:13:58,606 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-12-22 09:13:58,606 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-12-22 09:13:58,606 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-12-22 09:13:58,606 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-12-22 09:13:58,606 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,606 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,607 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,607 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,607 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,607 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,607 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,607 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-22 09:13:58,607 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-12-22 09:13:58,607 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-22 09:13:58,608 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,608 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,608 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,608 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,608 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,608 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,608 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-12-22 09:13:58,608 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-12-22 09:13:58,609 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,609 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,609 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,609 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,609 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,609 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,609 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,609 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-12-22 09:13:58,610 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:58,610 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,610 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,610 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-22 09:13:58,610 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-12-22 09:13:58,610 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-12-22 09:13:58,610 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-12-22 09:13:58,613 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:58,614 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-22 09:13:58,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 09:13:58 BoogieIcfgContainer [2021-12-22 09:13:58,631 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-22 09:13:58,631 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 09:13:58,632 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 09:13:58,632 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 09:13:58,632 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 09:13:40" (3/4) ... [2021-12-22 09:13:58,635 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-22 09:13:58,659 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-22 09:13:58,660 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-22 09:13:58,662 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-22 09:13:58,663 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-22 09:13:58,778 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-22 09:13:58,778 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 09:13:58,779 INFO L158 Benchmark]: Toolchain (without parser) took 20491.38ms. Allocated memory was 90.2MB in the beginning and 505.4MB in the end (delta: 415.2MB). Free memory was 58.5MB in the beginning and 236.0MB in the end (delta: -177.4MB). Peak memory consumption was 237.2MB. Max. memory is 16.1GB. [2021-12-22 09:13:58,779 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 09:13:58,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 660.33ms. Allocated memory was 90.2MB in the beginning and 123.7MB in the end (delta: 33.6MB). Free memory was 58.3MB in the beginning and 93.6MB in the end (delta: -35.2MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2021-12-22 09:13:58,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.80ms. Allocated memory is still 123.7MB. Free memory was 93.6MB in the beginning and 76.1MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-22 09:13:58,780 INFO L158 Benchmark]: Boogie Preprocessor took 105.89ms. Allocated memory is still 123.7MB. Free memory was 76.1MB in the beginning and 67.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 09:13:58,780 INFO L158 Benchmark]: RCFGBuilder took 1523.92ms. Allocated memory was 123.7MB in the beginning and 182.5MB in the end (delta: 58.7MB). Free memory was 67.1MB in the beginning and 135.1MB in the end (delta: -68.0MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2021-12-22 09:13:58,780 INFO L158 Benchmark]: TraceAbstraction took 17923.74ms. Allocated memory was 182.5MB in the beginning and 505.4MB in the end (delta: 323.0MB). Free memory was 135.1MB in the beginning and 261.1MB in the end (delta: -126.1MB). Peak memory consumption was 329.8MB. Max. memory is 16.1GB. [2021-12-22 09:13:58,781 INFO L158 Benchmark]: Witness Printer took 147.10ms. Allocated memory is still 505.4MB. Free memory was 260.1MB in the beginning and 236.0MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-22 09:13:58,782 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 660.33ms. Allocated memory was 90.2MB in the beginning and 123.7MB in the end (delta: 33.6MB). Free memory was 58.3MB in the beginning and 93.6MB in the end (delta: -35.2MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.80ms. Allocated memory is still 123.7MB. Free memory was 93.6MB in the beginning and 76.1MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.89ms. Allocated memory is still 123.7MB. Free memory was 76.1MB in the beginning and 67.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1523.92ms. Allocated memory was 123.7MB in the beginning and 182.5MB in the end (delta: 58.7MB). Free memory was 67.1MB in the beginning and 135.1MB in the end (delta: -68.0MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * TraceAbstraction took 17923.74ms. Allocated memory was 182.5MB in the beginning and 505.4MB in the end (delta: 323.0MB). Free memory was 135.1MB in the beginning and 261.1MB in the end (delta: -126.1MB). Peak memory consumption was 329.8MB. Max. memory is 16.1GB. * Witness Printer took 147.10ms. Allocated memory is still 505.4MB. Free memory was 260.1MB in the beginning and 236.0MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 142]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.8s, OverallIterations: 15, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2552 SdHoareTripleChecker+Valid, 10.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2552 mSDsluCounter, 3253 SdHoareTripleChecker+Invalid, 8.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 373 mSDsCounter, 1760 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9671 IncrementalHoareTripleChecker+Invalid, 11431 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1760 mSolverCounterUnsat, 2880 mSDtfsCounter, 9671 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10364occurred in iteration=14, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 5964 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 137 NumberOfFragments, 361 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1826 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 4680 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 4725 NumberOfCodeBlocks, 4725 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 4710 ConstructedInterpolants, 0 QuantifiedInterpolants, 8257 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 6112/6112 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((a4 == 0 && a25 == 11) && a29 <= 599998) && a23 <= 312) || ((a25 == 13 && a29 <= 599998) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && !(a23 + 43 <= 0)) && a4 == 1)) || (((a25 == 13 && a4 == 0) && a29 + 22 <= 0) && a23 <= 138)) || ((a25 == 11 && a29 <= 599999) && a4 == 1)) || (((a25 == 13 && a23 + 43 <= 0) && a4 == 0) && a29 <= 274)) || (((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a29 <= 599998)) || (((a25 == 13 && a29 <= 599999) && a23 + 599772 <= 0) && a4 == 1)) || (((a4 == 0 && a29 <= 274) && a25 <= 10) && a23 <= 138)) || ((a4 == 0 && a29 + 22 <= 0) && a25 <= 10)) || ((a25 == 12 && a4 == 0) && a29 <= 599998)) || ((a25 <= 10 && a29 <= 599999) && a4 == 1)) || (((a25 == 12 && 307 <= a23) && a29 <= 599998) && a4 == 1)) || ((a29 + 21 <= 0 && a25 == 12) && a4 == 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((a4 == 0 && a25 == 11) && a29 <= 599998) && a23 <= 312) || ((a25 == 13 && a29 <= 599998) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && !(a23 + 43 <= 0)) && a4 == 1)) || (((a25 == 13 && a4 == 0) && a29 + 22 <= 0) && a23 <= 138)) || ((a25 == 11 && a29 <= 599999) && a4 == 1)) || (((a25 == 13 && a23 + 43 <= 0) && a4 == 0) && a29 <= 274)) || (((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a29 <= 599998)) || (((a25 == 13 && a29 <= 599999) && a23 + 599772 <= 0) && a4 == 1)) || (((a4 == 0 && a29 <= 274) && a25 <= 10) && a23 <= 138)) || ((a4 == 0 && a29 + 22 <= 0) && a25 <= 10)) || ((a25 == 12 && a4 == 0) && a29 <= 599998)) || ((a25 <= 10 && a29 <= 599999) && a4 == 1)) || (((a25 == 12 && 307 <= a23) && a29 <= 599998) && a4 == 1)) || ((a29 + 21 <= 0 && a25 == 12) && a4 == 1) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-22 09:13:58,818 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