./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label44.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label44.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 16a882266f214f7bbe3e2aa4aa7afa01c1567a6c47ab95da663021c70813ff8b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 10:59:43,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 10:59:43,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 10:59:43,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 10:59:43,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 10:59:43,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 10:59:43,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 10:59:43,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 10:59:43,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 10:59:43,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 10:59:43,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 10:59:43,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 10:59:43,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 10:59:43,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 10:59:43,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 10:59:43,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 10:59:43,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 10:59:43,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 10:59:43,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 10:59:43,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 10:59:43,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 10:59:43,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 10:59:43,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 10:59:43,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 10:59:43,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 10:59:43,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 10:59:43,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 10:59:43,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 10:59:43,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 10:59:43,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 10:59:43,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 10:59:43,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 10:59:43,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 10:59:43,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 10:59:43,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 10:59:43,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 10:59:43,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 10:59:43,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 10:59:43,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 10:59:43,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 10:59:43,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 10:59:43,138 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 10:59:43,153 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 10:59:43,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 10:59:43,159 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 10:59:43,159 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 10:59:43,160 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 10:59:43,160 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 10:59:43,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 10:59:43,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 10:59:43,161 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 10:59:43,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 10:59:43,162 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 10:59:43,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 10:59:43,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 10:59:43,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 10:59:43,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 10:59:43,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 10:59:43,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 10:59:43,163 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 10:59:43,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 10:59:43,163 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 10:59:43,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 10:59:43,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 10:59:43,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 10:59:43,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 10:59:43,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:59:43,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 10:59:43,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 10:59:43,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 10:59:43,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 10:59:43,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 10:59:43,165 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 10:59:43,166 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 10:59:43,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 10:59:43,166 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 10:59:43,166 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16a882266f214f7bbe3e2aa4aa7afa01c1567a6c47ab95da663021c70813ff8b [2021-12-21 10:59:43,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 10:59:43,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 10:59:43,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 10:59:43,361 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 10:59:43,362 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 10:59:43,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2021-12-21 10:59:43,429 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8861cd5f4/96e6ca2aad2241f39dd6973a11256eab/FLAG9d3309b0e [2021-12-21 10:59:43,872 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 10:59:43,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2021-12-21 10:59:43,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8861cd5f4/96e6ca2aad2241f39dd6973a11256eab/FLAG9d3309b0e [2021-12-21 10:59:43,890 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8861cd5f4/96e6ca2aad2241f39dd6973a11256eab [2021-12-21 10:59:43,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 10:59:43,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 10:59:43,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 10:59:43,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 10:59:43,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 10:59:43,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:59:43" (1/1) ... [2021-12-21 10:59:43,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b1bbaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:43, skipping insertion in model container [2021-12-21 10:59:43,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:59:43" (1/1) ... [2021-12-21 10:59:43,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 10:59:43,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 10:59:44,082 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_label44.c[3841,3854] [2021-12-21 10:59:44,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:59:44,275 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 10:59:44,293 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_label44.c[3841,3854] [2021-12-21 10:59:44,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:59:44,408 INFO L208 MainTranslator]: Completed translation [2021-12-21 10:59:44,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:44 WrapperNode [2021-12-21 10:59:44,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 10:59:44,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 10:59:44,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 10:59:44,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 10:59:44,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:44" (1/1) ... [2021-12-21 10:59:44,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:44" (1/1) ... [2021-12-21 10:59:44,497 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-12-21 10:59:44,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 10:59:44,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 10:59:44,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 10:59:44,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 10:59:44,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:44" (1/1) ... [2021-12-21 10:59:44,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:44" (1/1) ... [2021-12-21 10:59:44,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:44" (1/1) ... [2021-12-21 10:59:44,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:44" (1/1) ... [2021-12-21 10:59:44,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:44" (1/1) ... [2021-12-21 10:59:44,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:44" (1/1) ... [2021-12-21 10:59:44,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:44" (1/1) ... [2021-12-21 10:59:44,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 10:59:44,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 10:59:44,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 10:59:44,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 10:59:44,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:44" (1/1) ... [2021-12-21 10:59:44,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:59:44,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 10:59:44,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 10:59:44,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 10:59:44,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 10:59:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 10:59:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 10:59:44,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 10:59:44,755 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 10:59:44,757 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 10:59:45,816 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 10:59:45,827 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 10:59:45,827 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 10:59:45,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:59:45 BoogieIcfgContainer [2021-12-21 10:59:45,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 10:59:45,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 10:59:45,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 10:59:45,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 10:59:45,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 10:59:43" (1/3) ... [2021-12-21 10:59:45,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e99b68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:59:45, skipping insertion in model container [2021-12-21 10:59:45,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:59:44" (2/3) ... [2021-12-21 10:59:45,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e99b68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:59:45, skipping insertion in model container [2021-12-21 10:59:45,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:59:45" (3/3) ... [2021-12-21 10:59:45,837 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label44.c [2021-12-21 10:59:45,840 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 10:59:45,841 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 10:59:45,877 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 10:59:45,883 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 10:59:45,883 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 10:59:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:45,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-21 10:59:45,908 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:59:45,908 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] [2021-12-21 10:59:45,909 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:59:45,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:59:45,912 INFO L85 PathProgramCache]: Analyzing trace with hash 678582746, now seen corresponding path program 1 times [2021-12-21 10:59:45,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:59:45,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372548549] [2021-12-21 10:59:45,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:59:45,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:59:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:59:46,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:59:46,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:59:46,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372548549] [2021-12-21 10:59:46,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372548549] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:59:46,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:59:46,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:59:46,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508242130] [2021-12-21 10:59:46,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:59:46,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:59:46,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:59:46,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:59:46,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:46,137 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 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:46,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:59:46,995 INFO L93 Difference]: Finished difference Result 763 states and 1352 transitions. [2021-12-21 10:59:46,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:59:46,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 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 26 [2021-12-21 10:59:46,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:59:47,006 INFO L225 Difference]: With dead ends: 763 [2021-12-21 10:59:47,006 INFO L226 Difference]: Without dead ends: 416 [2021-12-21 10:59:47,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:47,018 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 247 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-21 10:59:47,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 89 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-21 10:59:47,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-12-21 10:59:47,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 408. [2021-12-21 10:59:47,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 407 states have (on average 1.6142506142506143) internal successors, (657), 407 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:47,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 657 transitions. [2021-12-21 10:59:47,073 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 657 transitions. Word has length 26 [2021-12-21 10:59:47,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:59:47,073 INFO L470 AbstractCegarLoop]: Abstraction has 408 states and 657 transitions. [2021-12-21 10:59:47,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:47,074 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 657 transitions. [2021-12-21 10:59:47,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-21 10:59:47,083 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:59:47,083 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:59:47,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 10:59:47,084 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:59:47,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:59:47,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1710179134, now seen corresponding path program 1 times [2021-12-21 10:59:47,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:59:47,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887212279] [2021-12-21 10:59:47,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:59:47,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:59:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:59:47,164 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:59:47,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:59:47,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887212279] [2021-12-21 10:59:47,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887212279] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:59:47,165 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:59:47,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:59:47,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859300124] [2021-12-21 10:59:47,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:59:47,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:59:47,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:59:47,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:59:47,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:47,168 INFO L87 Difference]: Start difference. First operand 408 states and 657 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:47,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:59:47,726 INFO L93 Difference]: Finished difference Result 1191 states and 1930 transitions. [2021-12-21 10:59:47,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:59:47,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2021-12-21 10:59:47,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:59:47,729 INFO L225 Difference]: With dead ends: 1191 [2021-12-21 10:59:47,729 INFO L226 Difference]: Without dead ends: 785 [2021-12-21 10:59:47,730 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:47,731 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 141 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:59:47,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 152 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:59:47,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2021-12-21 10:59:47,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 783. [2021-12-21 10:59:47,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 783 states, 782 states have (on average 1.438618925831202) internal successors, (1125), 782 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:47,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1125 transitions. [2021-12-21 10:59:47,747 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1125 transitions. Word has length 91 [2021-12-21 10:59:47,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:59:47,747 INFO L470 AbstractCegarLoop]: Abstraction has 783 states and 1125 transitions. [2021-12-21 10:59:47,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:47,748 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1125 transitions. [2021-12-21 10:59:47,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-21 10:59:47,749 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:59:47,749 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:59:47,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 10:59:47,750 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:59:47,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:59:47,750 INFO L85 PathProgramCache]: Analyzing trace with hash -308519566, now seen corresponding path program 1 times [2021-12-21 10:59:47,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:59:47,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745599736] [2021-12-21 10:59:47,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:59:47,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:59:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:59:47,834 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:59:47,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:59:47,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745599736] [2021-12-21 10:59:47,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745599736] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:59:47,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:59:47,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:59:47,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410987471] [2021-12-21 10:59:47,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:59:47,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:59:47,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:59:47,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:59:47,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:47,838 INFO L87 Difference]: Start difference. First operand 783 states and 1125 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:48,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:59:48,408 INFO L93 Difference]: Finished difference Result 1948 states and 2801 transitions. [2021-12-21 10:59:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:59:48,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2021-12-21 10:59:48,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:59:48,412 INFO L225 Difference]: With dead ends: 1948 [2021-12-21 10:59:48,412 INFO L226 Difference]: Without dead ends: 1167 [2021-12-21 10:59:48,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:48,414 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 144 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:59:48,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 116 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:59:48,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2021-12-21 10:59:48,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1154. [2021-12-21 10:59:48,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1153 states have (on average 1.3391153512575888) internal successors, (1544), 1153 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:48,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1544 transitions. [2021-12-21 10:59:48,430 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1544 transitions. Word has length 94 [2021-12-21 10:59:48,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:59:48,430 INFO L470 AbstractCegarLoop]: Abstraction has 1154 states and 1544 transitions. [2021-12-21 10:59:48,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:48,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1544 transitions. [2021-12-21 10:59:48,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-21 10:59:48,433 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:59:48,433 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:59:48,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 10:59:48,433 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:59:48,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:59:48,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1570751308, now seen corresponding path program 1 times [2021-12-21 10:59:48,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:59:48,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034594787] [2021-12-21 10:59:48,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:59:48,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:59:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:59:48,501 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:59:48,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:59:48,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034594787] [2021-12-21 10:59:48,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034594787] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:59:48,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:59:48,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:59:48,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632526058] [2021-12-21 10:59:48,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:59:48,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:59:48,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:59:48,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:59:48,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:48,504 INFO L87 Difference]: Start difference. First operand 1154 states and 1544 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:49,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:59:49,028 INFO L93 Difference]: Finished difference Result 2676 states and 3529 transitions. [2021-12-21 10:59:49,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:59:49,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-12-21 10:59:49,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:59:49,033 INFO L225 Difference]: With dead ends: 2676 [2021-12-21 10:59:49,033 INFO L226 Difference]: Without dead ends: 1524 [2021-12-21 10:59:49,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:49,035 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:59:49,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 189 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:59:49,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2021-12-21 10:59:49,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1523. [2021-12-21 10:59:49,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1522 states have (on average 1.268725361366623) internal successors, (1931), 1522 states have internal predecessors, (1931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:49,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1931 transitions. [2021-12-21 10:59:49,056 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1931 transitions. Word has length 95 [2021-12-21 10:59:49,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:59:49,056 INFO L470 AbstractCegarLoop]: Abstraction has 1523 states and 1931 transitions. [2021-12-21 10:59:49,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:49,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1931 transitions. [2021-12-21 10:59:49,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-12-21 10:59:49,058 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:59:49,058 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:59:49,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 10:59:49,058 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:59:49,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:59:49,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1821693585, now seen corresponding path program 1 times [2021-12-21 10:59:49,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:59:49,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390579251] [2021-12-21 10:59:49,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:59:49,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:59:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:59:49,161 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:59:49,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:59:49,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390579251] [2021-12-21 10:59:49,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390579251] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:59:49,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:59:49,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:59:49,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429893033] [2021-12-21 10:59:49,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:59:49,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:59:49,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:59:49,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:59:49,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:49,166 INFO L87 Difference]: Start difference. First operand 1523 states and 1931 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 2 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:49,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:59:49,686 INFO L93 Difference]: Finished difference Result 3968 states and 5151 transitions. [2021-12-21 10:59:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:59:49,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 2 states have internal predecessors, (153), 0 states have call successors, (0), 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 153 [2021-12-21 10:59:49,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:59:49,693 INFO L225 Difference]: With dead ends: 3968 [2021-12-21 10:59:49,693 INFO L226 Difference]: Without dead ends: 2631 [2021-12-21 10:59:49,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:49,695 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 115 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:59:49,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 154 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:59:49,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2631 states. [2021-12-21 10:59:49,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2631 to 2447. [2021-12-21 10:59:49,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2447 states, 2446 states have (on average 1.2236304170073589) internal successors, (2993), 2446 states have internal predecessors, (2993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:49,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2447 states to 2447 states and 2993 transitions. [2021-12-21 10:59:49,725 INFO L78 Accepts]: Start accepts. Automaton has 2447 states and 2993 transitions. Word has length 153 [2021-12-21 10:59:49,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:59:49,725 INFO L470 AbstractCegarLoop]: Abstraction has 2447 states and 2993 transitions. [2021-12-21 10:59:49,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 2 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:49,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2447 states and 2993 transitions. [2021-12-21 10:59:49,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-12-21 10:59:49,727 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:59:49,727 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:59:49,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 10:59:49,727 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:59:49,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:59:49,728 INFO L85 PathProgramCache]: Analyzing trace with hash -935191055, now seen corresponding path program 1 times [2021-12-21 10:59:49,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:59:49,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787337969] [2021-12-21 10:59:49,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:59:49,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:59:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:59:49,797 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-12-21 10:59:49,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:59:49,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787337969] [2021-12-21 10:59:49,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787337969] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:59:49,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:59:49,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:59:49,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596292663] [2021-12-21 10:59:49,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:59:49,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:59:49,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:59:49,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:59:49,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:49,800 INFO L87 Difference]: Start difference. First operand 2447 states and 2993 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:50,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:59:50,285 INFO L93 Difference]: Finished difference Result 5266 states and 6463 transitions. [2021-12-21 10:59:50,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:59:50,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 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 [2021-12-21 10:59:50,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:59:50,301 INFO L225 Difference]: With dead ends: 5266 [2021-12-21 10:59:50,301 INFO L226 Difference]: Without dead ends: 3005 [2021-12-21 10:59:50,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:50,304 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 75 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:59:50,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 153 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:59:50,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3005 states. [2021-12-21 10:59:50,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3005 to 2820. [2021-12-21 10:59:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2820 states, 2819 states have (on average 1.2220645619013835) internal successors, (3445), 2819 states have internal predecessors, (3445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:50,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 2820 states and 3445 transitions. [2021-12-21 10:59:50,353 INFO L78 Accepts]: Start accepts. Automaton has 2820 states and 3445 transitions. Word has length 169 [2021-12-21 10:59:50,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:59:50,353 INFO L470 AbstractCegarLoop]: Abstraction has 2820 states and 3445 transitions. [2021-12-21 10:59:50,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:50,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2820 states and 3445 transitions. [2021-12-21 10:59:50,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-12-21 10:59:50,355 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:59:50,355 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 10:59:50,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 10:59:50,356 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:59:50,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:59:50,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1559395122, now seen corresponding path program 1 times [2021-12-21 10:59:50,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:59:50,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652273218] [2021-12-21 10:59:50,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:59:50,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:59:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:59:50,431 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:59:50,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:59:50,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652273218] [2021-12-21 10:59:50,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652273218] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:59:50,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:59:50,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:59:50,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057980448] [2021-12-21 10:59:50,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:59:50,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:59:50,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:59:50,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:59:50,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:50,433 INFO L87 Difference]: Start difference. First operand 2820 states and 3445 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:51,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:59:51,002 INFO L93 Difference]: Finished difference Result 6567 states and 8101 transitions. [2021-12-21 10:59:51,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:59:51,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 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 206 [2021-12-21 10:59:51,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:59:51,014 INFO L225 Difference]: With dead ends: 6567 [2021-12-21 10:59:51,015 INFO L226 Difference]: Without dead ends: 3933 [2021-12-21 10:59:51,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:51,020 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 135 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:59:51,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 332 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:59:51,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3933 states. [2021-12-21 10:59:51,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3933 to 3556. [2021-12-21 10:59:51,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3556 states, 3555 states have (on average 1.2115330520393812) internal successors, (4307), 3555 states have internal predecessors, (4307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:51,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3556 states to 3556 states and 4307 transitions. [2021-12-21 10:59:51,096 INFO L78 Accepts]: Start accepts. Automaton has 3556 states and 4307 transitions. Word has length 206 [2021-12-21 10:59:51,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:59:51,097 INFO L470 AbstractCegarLoop]: Abstraction has 3556 states and 4307 transitions. [2021-12-21 10:59:51,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:51,097 INFO L276 IsEmpty]: Start isEmpty. Operand 3556 states and 4307 transitions. [2021-12-21 10:59:51,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-21 10:59:51,099 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:59:51,100 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 10:59:51,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 10:59:51,101 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:59:51,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:59:51,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1693187880, now seen corresponding path program 1 times [2021-12-21 10:59:51,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:59:51,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871169453] [2021-12-21 10:59:51,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:59:51,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:59:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:59:51,223 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-12-21 10:59:51,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:59:51,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871169453] [2021-12-21 10:59:51,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871169453] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:59:51,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:59:51,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:59:51,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149328232] [2021-12-21 10:59:51,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:59:51,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:59:51,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:59:51,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:59:51,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:51,226 INFO L87 Difference]: Start difference. First operand 3556 states and 4307 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:51,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:59:51,806 INFO L93 Difference]: Finished difference Result 9521 states and 11627 transitions. [2021-12-21 10:59:51,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:59:51,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 207 [2021-12-21 10:59:51,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:59:51,829 INFO L225 Difference]: With dead ends: 9521 [2021-12-21 10:59:51,829 INFO L226 Difference]: Without dead ends: 5967 [2021-12-21 10:59:51,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:51,833 INFO L933 BasicCegarLoop]: 308 mSDtfsCounter, 200 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:59:51,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 332 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:59:51,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5967 states. [2021-12-21 10:59:51,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5967 to 5231. [2021-12-21 10:59:51,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5231 states, 5230 states have (on average 1.2061185468451243) internal successors, (6308), 5230 states have internal predecessors, (6308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:51,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5231 states to 5231 states and 6308 transitions. [2021-12-21 10:59:51,914 INFO L78 Accepts]: Start accepts. Automaton has 5231 states and 6308 transitions. Word has length 207 [2021-12-21 10:59:51,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:59:51,916 INFO L470 AbstractCegarLoop]: Abstraction has 5231 states and 6308 transitions. [2021-12-21 10:59:51,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:51,917 INFO L276 IsEmpty]: Start isEmpty. Operand 5231 states and 6308 transitions. [2021-12-21 10:59:51,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-12-21 10:59:51,919 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:59:51,920 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:59:51,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 10:59:51,924 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:59:51,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:59:51,925 INFO L85 PathProgramCache]: Analyzing trace with hash 192944744, now seen corresponding path program 1 times [2021-12-21 10:59:51,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:59:51,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207029451] [2021-12-21 10:59:51,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:59:51,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:59:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:59:52,025 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:59:52,026 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:59:52,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207029451] [2021-12-21 10:59:52,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207029451] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:59:52,027 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:59:52,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:59:52,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445096822] [2021-12-21 10:59:52,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:59:52,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:59:52,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:59:52,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:59:52,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:52,029 INFO L87 Difference]: Start difference. First operand 5231 states and 6308 transitions. Second operand has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:52,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:59:52,549 INFO L93 Difference]: Finished difference Result 10457 states and 12611 transitions. [2021-12-21 10:59:52,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:59:52,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 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 244 [2021-12-21 10:59:52,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:59:52,562 INFO L225 Difference]: With dead ends: 10457 [2021-12-21 10:59:52,562 INFO L226 Difference]: Without dead ends: 5228 [2021-12-21 10:59:52,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:52,569 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 142 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:59:52,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 304 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:59:52,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5228 states. [2021-12-21 10:59:52,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5228 to 5228. [2021-12-21 10:59:52,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5228 states, 5227 states have (on average 1.178687583700019) internal successors, (6161), 5227 states have internal predecessors, (6161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:52,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5228 states to 5228 states and 6161 transitions. [2021-12-21 10:59:52,666 INFO L78 Accepts]: Start accepts. Automaton has 5228 states and 6161 transitions. Word has length 244 [2021-12-21 10:59:52,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:59:52,666 INFO L470 AbstractCegarLoop]: Abstraction has 5228 states and 6161 transitions. [2021-12-21 10:59:52,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:52,667 INFO L276 IsEmpty]: Start isEmpty. Operand 5228 states and 6161 transitions. [2021-12-21 10:59:52,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-12-21 10:59:52,669 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:59:52,669 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 10:59:52,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-21 10:59:52,669 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:59:52,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:59:52,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1616620059, now seen corresponding path program 1 times [2021-12-21 10:59:52,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:59:52,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789589150] [2021-12-21 10:59:52,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:59:52,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:59:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:59:52,759 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-12-21 10:59:52,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:59:52,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789589150] [2021-12-21 10:59:52,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789589150] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:59:52,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:59:52,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:59:52,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747406069] [2021-12-21 10:59:52,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:59:52,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:59:52,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:59:52,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:59:52,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:52,761 INFO L87 Difference]: Start difference. First operand 5228 states and 6161 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:53,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:59:53,271 INFO L93 Difference]: Finished difference Result 11195 states and 13196 transitions. [2021-12-21 10:59:53,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:59:53,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 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 258 [2021-12-21 10:59:53,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:59:53,293 INFO L225 Difference]: With dead ends: 11195 [2021-12-21 10:59:53,294 INFO L226 Difference]: Without dead ends: 5969 [2021-12-21 10:59:53,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:53,299 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 196 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:59:53,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 148 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:59:53,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5969 states. [2021-12-21 10:59:53,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5969 to 5228. [2021-12-21 10:59:53,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5228 states, 5227 states have (on average 1.178687583700019) internal successors, (6161), 5227 states have internal predecessors, (6161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:53,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5228 states to 5228 states and 6161 transitions. [2021-12-21 10:59:53,394 INFO L78 Accepts]: Start accepts. Automaton has 5228 states and 6161 transitions. Word has length 258 [2021-12-21 10:59:53,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:59:53,394 INFO L470 AbstractCegarLoop]: Abstraction has 5228 states and 6161 transitions. [2021-12-21 10:59:53,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:53,395 INFO L276 IsEmpty]: Start isEmpty. Operand 5228 states and 6161 transitions. [2021-12-21 10:59:53,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-12-21 10:59:53,397 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:59:53,398 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:59:53,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-21 10:59:53,398 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:59:53,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:59:53,399 INFO L85 PathProgramCache]: Analyzing trace with hash 292208959, now seen corresponding path program 1 times [2021-12-21 10:59:53,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:59:53,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423877949] [2021-12-21 10:59:53,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:59:53,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:59:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:59:53,491 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-12-21 10:59:53,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:59:53,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423877949] [2021-12-21 10:59:53,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423877949] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:59:53,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:59:53,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:59:53,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446060219] [2021-12-21 10:59:53,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:59:53,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:59:53,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:59:53,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:59:53,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:59:53,494 INFO L87 Difference]: Start difference. First operand 5228 states and 6161 transitions. Second operand has 4 states, 4 states have (on average 48.75) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:54,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:59:54,534 INFO L93 Difference]: Finished difference Result 15807 states and 18813 transitions. [2021-12-21 10:59:54,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:59:54,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 261 [2021-12-21 10:59:54,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:59:54,547 INFO L225 Difference]: With dead ends: 15807 [2021-12-21 10:59:54,547 INFO L226 Difference]: Without dead ends: 10581 [2021-12-21 10:59:54,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:59:54,552 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 250 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 1094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-21 10:59:54,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [250 Valid, 115 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 1094 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-21 10:59:54,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10581 states. [2021-12-21 10:59:54,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10581 to 10019. [2021-12-21 10:59:54,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10019 states, 10018 states have (on average 1.1802755040926332) internal successors, (11824), 10018 states have internal predecessors, (11824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:54,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10019 states to 10019 states and 11824 transitions. [2021-12-21 10:59:54,645 INFO L78 Accepts]: Start accepts. Automaton has 10019 states and 11824 transitions. Word has length 261 [2021-12-21 10:59:54,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:59:54,646 INFO L470 AbstractCegarLoop]: Abstraction has 10019 states and 11824 transitions. [2021-12-21 10:59:54,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:54,646 INFO L276 IsEmpty]: Start isEmpty. Operand 10019 states and 11824 transitions. [2021-12-21 10:59:54,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-12-21 10:59:54,649 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:59:54,650 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 10:59:54,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-21 10:59:54,650 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:59:54,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:59:54,650 INFO L85 PathProgramCache]: Analyzing trace with hash -271673639, now seen corresponding path program 1 times [2021-12-21 10:59:54,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:59:54,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572767759] [2021-12-21 10:59:54,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:59:54,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:59:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:59:54,753 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:59:54,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:59:54,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572767759] [2021-12-21 10:59:54,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572767759] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:59:54,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:59:54,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:59:54,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999562029] [2021-12-21 10:59:54,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:59:54,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:59:54,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:59:54,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:59:54,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:59:54,756 INFO L87 Difference]: Start difference. First operand 10019 states and 11824 transitions. Second operand has 4 states, 4 states have (on average 67.5) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:55,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:59:55,736 INFO L93 Difference]: Finished difference Result 25580 states and 30141 transitions. [2021-12-21 10:59:55,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:59:55,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 67.5) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 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 270 [2021-12-21 10:59:55,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:59:55,757 INFO L225 Difference]: With dead ends: 25580 [2021-12-21 10:59:55,757 INFO L226 Difference]: Without dead ends: 15931 [2021-12-21 10:59:55,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:59:55,768 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 240 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-21 10:59:55,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 84 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1159 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-21 10:59:55,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15931 states. [2021-12-21 10:59:55,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15931 to 15745. [2021-12-21 10:59:55,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15745 states, 15744 states have (on average 1.1689532520325203) internal successors, (18404), 15744 states have internal predecessors, (18404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:55,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15745 states to 15745 states and 18404 transitions. [2021-12-21 10:59:55,942 INFO L78 Accepts]: Start accepts. Automaton has 15745 states and 18404 transitions. Word has length 270 [2021-12-21 10:59:55,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:59:55,943 INFO L470 AbstractCegarLoop]: Abstraction has 15745 states and 18404 transitions. [2021-12-21 10:59:55,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.5) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:55,944 INFO L276 IsEmpty]: Start isEmpty. Operand 15745 states and 18404 transitions. [2021-12-21 10:59:55,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-12-21 10:59:55,948 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:59:55,948 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:59:55,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-21 10:59:55,948 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:59:55,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:59:55,949 INFO L85 PathProgramCache]: Analyzing trace with hash 2010794811, now seen corresponding path program 1 times [2021-12-21 10:59:55,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:59:55,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489620839] [2021-12-21 10:59:55,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:59:55,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:59:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:59:56,038 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-12-21 10:59:56,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:59:56,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489620839] [2021-12-21 10:59:56,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489620839] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:59:56,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:59:56,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:59:56,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426279037] [2021-12-21 10:59:56,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:59:56,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:59:56,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:59:56,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:59:56,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:56,040 INFO L87 Difference]: Start difference. First operand 15745 states and 18404 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:56,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:59:56,594 INFO L93 Difference]: Finished difference Result 32403 states and 37950 transitions. [2021-12-21 10:59:56,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:59:56,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 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 281 [2021-12-21 10:59:56,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:59:56,619 INFO L225 Difference]: With dead ends: 32403 [2021-12-21 10:59:56,619 INFO L226 Difference]: Without dead ends: 18136 [2021-12-21 10:59:56,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:56,632 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 193 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:59:56,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 151 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:59:56,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18136 states. [2021-12-21 10:59:56,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18136 to 13160. [2021-12-21 10:59:56,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13160 states, 13159 states have (on average 1.172201535071054) internal successors, (15425), 13159 states have internal predecessors, (15425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:56,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13160 states to 13160 states and 15425 transitions. [2021-12-21 10:59:56,863 INFO L78 Accepts]: Start accepts. Automaton has 13160 states and 15425 transitions. Word has length 281 [2021-12-21 10:59:56,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:59:56,864 INFO L470 AbstractCegarLoop]: Abstraction has 13160 states and 15425 transitions. [2021-12-21 10:59:56,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:56,864 INFO L276 IsEmpty]: Start isEmpty. Operand 13160 states and 15425 transitions. [2021-12-21 10:59:56,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-21 10:59:56,868 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:59:56,869 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:59:56,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-21 10:59:56,869 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:59:56,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:59:56,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1064230659, now seen corresponding path program 1 times [2021-12-21 10:59:56,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:59:56,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954439187] [2021-12-21 10:59:56,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:59:56,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:59:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:59:56,952 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-21 10:59:56,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:59:56,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954439187] [2021-12-21 10:59:56,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954439187] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:59:56,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:59:56,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:59:56,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501317734] [2021-12-21 10:59:56,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:59:56,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:59:56,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:59:56,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:59:56,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:56,954 INFO L87 Difference]: Start difference. First operand 13160 states and 15425 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:57,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:59:57,570 INFO L93 Difference]: Finished difference Result 28713 states and 33938 transitions. [2021-12-21 10:59:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:59:57,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 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 [2021-12-21 10:59:57,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:59:57,589 INFO L225 Difference]: With dead ends: 28713 [2021-12-21 10:59:57,589 INFO L226 Difference]: Without dead ends: 15923 [2021-12-21 10:59:57,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:57,602 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 181 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:59:57,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 159 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:59:57,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15923 states. [2021-12-21 10:59:57,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15923 to 13145. [2021-12-21 10:59:57,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13145 states, 13144 states have (on average 1.1517802799756542) internal successors, (15139), 13144 states have internal predecessors, (15139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:57,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13145 states to 13145 states and 15139 transitions. [2021-12-21 10:59:57,764 INFO L78 Accepts]: Start accepts. Automaton has 13145 states and 15139 transitions. Word has length 301 [2021-12-21 10:59:57,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:59:57,764 INFO L470 AbstractCegarLoop]: Abstraction has 13145 states and 15139 transitions. [2021-12-21 10:59:57,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:57,765 INFO L276 IsEmpty]: Start isEmpty. Operand 13145 states and 15139 transitions. [2021-12-21 10:59:57,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-12-21 10:59:57,770 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:59:57,770 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:59:57,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-21 10:59:57,770 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:59:57,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:59:57,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1313485887, now seen corresponding path program 1 times [2021-12-21 10:59:57,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:59:57,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266494280] [2021-12-21 10:59:57,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:59:57,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:59:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:59:57,887 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-21 10:59:57,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:59:57,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266494280] [2021-12-21 10:59:57,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266494280] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:59:57,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:59:57,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:59:57,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109879780] [2021-12-21 10:59:57,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:59:57,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:59:57,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:59:57,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:59:57,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:57,889 INFO L87 Difference]: Start difference. First operand 13145 states and 15139 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:58,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:59:58,205 INFO L93 Difference]: Finished difference Result 25172 states and 28967 transitions. [2021-12-21 10:59:58,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:59:58,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 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 308 [2021-12-21 10:59:58,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:59:58,218 INFO L225 Difference]: With dead ends: 25172 [2021-12-21 10:59:58,219 INFO L226 Difference]: Without dead ends: 12397 [2021-12-21 10:59:58,226 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:58,227 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 186 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 10:59:58,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 37 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 10:59:58,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12397 states. [2021-12-21 10:59:58,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12397 to 12395. [2021-12-21 10:59:58,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12395 states, 12394 states have (on average 1.1461190898822011) internal successors, (14205), 12394 states have internal predecessors, (14205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:58,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12395 states to 12395 states and 14205 transitions. [2021-12-21 10:59:58,378 INFO L78 Accepts]: Start accepts. Automaton has 12395 states and 14205 transitions. Word has length 308 [2021-12-21 10:59:58,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:59:58,378 INFO L470 AbstractCegarLoop]: Abstraction has 12395 states and 14205 transitions. [2021-12-21 10:59:58,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:58,379 INFO L276 IsEmpty]: Start isEmpty. Operand 12395 states and 14205 transitions. [2021-12-21 10:59:58,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-12-21 10:59:58,385 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:59:58,385 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:59:58,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-21 10:59:58,386 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:59:58,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:59:58,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1486952426, now seen corresponding path program 1 times [2021-12-21 10:59:58,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:59:58,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103084749] [2021-12-21 10:59:58,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:59:58,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:59:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:59:58,472 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2021-12-21 10:59:58,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:59:58,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103084749] [2021-12-21 10:59:58,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103084749] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:59:58,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:59:58,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:59:58,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990311803] [2021-12-21 10:59:58,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:59:58,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:59:58,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:59:58,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:59:58,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:58,476 INFO L87 Difference]: Start difference. First operand 12395 states and 14205 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:59,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:59:59,209 INFO L93 Difference]: Finished difference Result 27738 states and 31821 transitions. [2021-12-21 10:59:59,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:59:59,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 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 330 [2021-12-21 10:59:59,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:59:59,224 INFO L225 Difference]: With dead ends: 27738 [2021-12-21 10:59:59,224 INFO L226 Difference]: Without dead ends: 15713 [2021-12-21 10:59:59,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:59,265 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 179 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 10:59:59,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 357 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 10:59:59,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15713 states. [2021-12-21 10:59:59,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15713 to 13687. [2021-12-21 10:59:59,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13687 states, 13686 states have (on average 1.1304983194505334) internal successors, (15472), 13686 states have internal predecessors, (15472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:59,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13687 states to 13687 states and 15472 transitions. [2021-12-21 10:59:59,376 INFO L78 Accepts]: Start accepts. Automaton has 13687 states and 15472 transitions. Word has length 330 [2021-12-21 10:59:59,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:59:59,376 INFO L470 AbstractCegarLoop]: Abstraction has 13687 states and 15472 transitions. [2021-12-21 10:59:59,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:59:59,377 INFO L276 IsEmpty]: Start isEmpty. Operand 13687 states and 15472 transitions. [2021-12-21 10:59:59,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-12-21 10:59:59,386 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:59:59,387 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:59:59,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-21 10:59:59,387 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:59:59,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:59:59,387 INFO L85 PathProgramCache]: Analyzing trace with hash -842788195, now seen corresponding path program 1 times [2021-12-21 10:59:59,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:59:59,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266033159] [2021-12-21 10:59:59,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:59:59,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:59:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:59:59,496 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2021-12-21 10:59:59,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:59:59,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266033159] [2021-12-21 10:59:59,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266033159] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:59:59,496 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:59:59,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:59:59,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132792604] [2021-12-21 10:59:59,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:59:59,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:59:59,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:59:59,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:59:59,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:59:59,498 INFO L87 Difference]: Start difference. First operand 13687 states and 15472 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 11:00:00,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:00:00,099 INFO L93 Difference]: Finished difference Result 27922 states and 31577 transitions. [2021-12-21 11:00:00,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 11:00:00,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 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 337 [2021-12-21 11:00:00,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:00:00,100 INFO L225 Difference]: With dead ends: 27922 [2021-12-21 11:00:00,100 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 11:00:00,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 11:00:00,113 INFO L933 BasicCegarLoop]: 291 mSDtfsCounter, 188 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 11:00:00,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 305 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 11:00:00,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 11:00:00,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 11:00:00,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 11:00:00,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 11:00:00,114 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 337 [2021-12-21 11:00:00,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:00:00,114 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 11:00:00,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 11:00:00,115 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 11:00:00,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 11:00:00,117 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 11:00:00,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-21 11:00:00,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 11:00:02,761 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-12-21 11:00:02,761 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,761 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-12-21 11:00:02,761 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,761 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,761 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,761 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,761 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,761 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,761 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-21 11:00:02,761 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-12-21 11:00:02,761 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-12-21 11:00:02,761 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,761 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,761 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,761 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-12-21 11:00:02,762 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-12-21 11:00:02,763 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,763 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,763 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,763 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse2 (<= 247 ~a29~0)) (.cse5 (<= ~a23~0 138)) (.cse6 (<= ~a29~0 140)) (.cse0 (= ~a4~0 1)) (.cse3 (<= 10 ~a25~0)) (.cse4 (= ~a4~0 0)) (.cse1 (= ~a8~0 15)) (.cse7 (<= ~a23~0 137))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1) (and .cse3 .cse4 .cse5 .cse1 .cse2) (and .cse6 .cse4 .cse5 .cse1) (and (= ~a25~0 12) .cse4 .cse1) (and .cse5 .cse0 .cse1) (and .cse6 .cse0 .cse1) (and (<= 262 ~a29~0) .cse4 .cse1 .cse7) (and .cse0 .cse1 (not (<= ~a23~0 306))) (and .cse3 .cse4 (<= ~a25~0 10) .cse1 (<= ~a29~0 130)) (and .cse3 .cse4 .cse1 .cse7))) [2021-12-21 11:00:02,763 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,763 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-12-21 11:00:02,763 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-12-21 11:00:02,764 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,764 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,764 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,764 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,765 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,765 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,765 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-21 11:00:02,766 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-21 11:00:02,766 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-12-21 11:00:02,767 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-12-21 11:00:02,767 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,767 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,767 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,767 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,767 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,767 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,767 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,768 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-12-21 11:00:02,768 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-21 11:00:02,768 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-12-21 11:00:02,768 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,768 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,768 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,768 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,768 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,768 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,768 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,769 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,769 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,769 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-21 11:00:02,769 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-12-21 11:00:02,769 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-21 11:00:02,769 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,770 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse2 (<= 247 ~a29~0)) (.cse5 (<= ~a23~0 138)) (.cse6 (<= ~a29~0 140)) (.cse0 (= ~a4~0 1)) (.cse3 (<= 10 ~a25~0)) (.cse4 (= ~a4~0 0)) (.cse1 (= ~a8~0 15)) (.cse7 (<= ~a23~0 137))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1) (and .cse3 .cse4 .cse5 .cse1 .cse2) (and .cse6 .cse4 .cse5 .cse1) (and (= ~a25~0 12) .cse4 .cse1) (and .cse5 .cse0 .cse1) (and .cse6 .cse0 .cse1) (and (<= 262 ~a29~0) .cse4 .cse1 .cse7) (and .cse0 .cse1 (not (<= ~a23~0 306))) (and .cse3 .cse4 (<= ~a25~0 10) .cse1 (<= ~a29~0 130)) (and .cse3 .cse4 .cse1 .cse7))) [2021-12-21 11:00:02,770 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,770 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,770 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,770 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,770 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,771 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,772 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,772 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,772 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-21 11:00:02,772 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-21 11:00:02,772 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-12-21 11:00:02,772 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-12-21 11:00:02,773 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-21 11:00:02,773 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-12-21 11:00:02,773 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-12-21 11:00:02,773 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,773 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,773 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,773 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,773 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,773 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,774 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,774 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,774 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,774 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,774 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 11:00:02,774 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-21 11:00:02,774 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-12-21 11:00:02,774 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-12-21 11:00:02,774 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-12-21 11:00:02,774 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,775 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,775 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,775 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,775 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,775 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-21 11:00:02,775 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-12-21 11:00:02,776 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-12-21 11:00:02,776 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,776 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,776 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,776 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,776 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-12-21 11:00:02,776 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-12-21 11:00:02,776 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,776 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,777 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,777 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,777 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,777 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,777 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-12-21 11:00:02,777 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-12-21 11:00:02,777 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,777 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,777 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-21 11:00:02,778 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-21 11:00:02,778 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-12-21 11:00:02,778 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 11:00:02,778 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 94) no Hoare annotation was computed. [2021-12-21 11:00:02,778 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,778 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,778 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,778 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,778 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,779 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,779 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,779 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-21 11:00:02,779 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-12-21 11:00:02,779 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-12-21 11:00:02,779 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-12-21 11:00:02,779 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-12-21 11:00:02,779 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-12-21 11:00:02,779 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-12-21 11:00:02,779 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,780 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,780 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-12-21 11:00:02,780 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-12-21 11:00:02,780 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,780 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,780 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,780 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,780 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,780 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-12-21 11:00:02,781 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-21 11:00:02,781 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-12-21 11:00:02,781 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,781 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,781 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,781 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,781 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,781 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,781 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-21 11:00:02,781 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-21 11:00:02,781 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-21 11:00:02,781 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,781 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,781 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,781 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,781 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,781 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,781 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,781 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,781 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-21 11:00:02,782 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-12-21 11:00:02,782 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-12-21 11:00:02,782 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,782 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,782 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,782 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,782 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,782 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,782 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,782 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,782 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,782 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,783 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,783 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-12-21 11:00:02,783 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-12-21 11:00:02,783 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-21 11:00:02,783 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-21 11:00:02,783 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-12-21 11:00:02,783 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,783 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,783 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,784 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,784 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,784 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,784 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,784 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-12-21 11:00:02,784 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-12-21 11:00:02,784 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-21 11:00:02,784 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,784 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,784 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,785 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-12-21 11:00:02,785 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-12-21 11:00:02,785 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,785 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,785 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,785 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,785 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,785 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-12-21 11:00:02,785 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-12-21 11:00:02,786 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,786 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,786 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-12-21 11:00:02,786 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-12-21 11:00:02,786 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,786 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 11:00:02,786 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,786 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,786 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,786 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,787 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,787 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-12-21 11:00:02,787 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-21 11:00:02,787 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-12-21 11:00:02,787 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-12-21 11:00:02,787 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,787 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,787 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,787 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,788 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,788 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,788 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,788 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,788 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-12-21 11:00:02,788 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-12-21 11:00:02,789 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-12-21 11:00:02,789 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-12-21 11:00:02,789 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-12-21 11:00:02,789 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-12-21 11:00:02,789 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,789 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,790 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,790 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,790 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,791 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,791 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,791 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-21 11:00:02,791 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-12-21 11:00:02,792 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 11:00:02,792 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,792 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,792 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,792 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,792 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,793 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,793 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-12-21 11:00:02,793 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-12-21 11:00:02,793 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,793 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,793 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,793 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,793 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,793 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,793 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,794 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-12-21 11:00:02,794 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-12-21 11:00:02,794 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,794 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,794 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-21 11:00:02,794 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-12-21 11:00:02,794 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-12-21 11:00:02,794 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-12-21 11:00:02,798 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 11:00:02,800 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 11:00:02,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 11:00:02 BoogieIcfgContainer [2021-12-21 11:00:02,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 11:00:02,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 11:00:02,833 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 11:00:02,834 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 11:00:02,834 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:59:45" (3/4) ... [2021-12-21 11:00:02,836 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 11:00:02,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-21 11:00:02,853 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-21 11:00:02,855 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 11:00:02,856 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 11:00:02,922 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 11:00:02,922 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 11:00:02,923 INFO L158 Benchmark]: Toolchain (without parser) took 19029.55ms. Allocated memory was 86.0MB in the beginning and 763.4MB in the end (delta: 677.4MB). Free memory was 50.3MB in the beginning and 453.5MB in the end (delta: -403.2MB). Peak memory consumption was 273.3MB. Max. memory is 16.1GB. [2021-12-21 11:00:02,923 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 11:00:02,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.74ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 50.1MB in the beginning and 66.4MB in the end (delta: -16.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-21 11:00:02,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.04ms. Allocated memory is still 123.7MB. Free memory was 66.4MB in the beginning and 49.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-21 11:00:02,923 INFO L158 Benchmark]: Boogie Preprocessor took 147.60ms. Allocated memory is still 123.7MB. Free memory was 49.0MB in the beginning and 85.1MB in the end (delta: -36.1MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2021-12-21 11:00:02,924 INFO L158 Benchmark]: RCFGBuilder took 1183.48ms. Allocated memory was 123.7MB in the beginning and 197.1MB in the end (delta: 73.4MB). Free memory was 85.1MB in the beginning and 127.5MB in the end (delta: -42.4MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2021-12-21 11:00:02,924 INFO L158 Benchmark]: TraceAbstraction took 17001.42ms. Allocated memory was 197.1MB in the beginning and 763.4MB in the end (delta: 566.2MB). Free memory was 127.5MB in the beginning and 477.6MB in the end (delta: -350.1MB). Peak memory consumption was 573.2MB. Max. memory is 16.1GB. [2021-12-21 11:00:02,924 INFO L158 Benchmark]: Witness Printer took 88.67ms. Allocated memory is still 763.4MB. Free memory was 477.6MB in the beginning and 453.5MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-21 11:00:02,925 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 514.74ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 50.1MB in the beginning and 66.4MB in the end (delta: -16.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.04ms. Allocated memory is still 123.7MB. Free memory was 66.4MB in the beginning and 49.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 147.60ms. Allocated memory is still 123.7MB. Free memory was 49.0MB in the beginning and 85.1MB in the end (delta: -36.1MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1183.48ms. Allocated memory was 123.7MB in the beginning and 197.1MB in the end (delta: 73.4MB). Free memory was 85.1MB in the beginning and 127.5MB in the end (delta: -42.4MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * TraceAbstraction took 17001.42ms. Allocated memory was 197.1MB in the beginning and 763.4MB in the end (delta: 566.2MB). Free memory was 127.5MB in the beginning and 477.6MB in the end (delta: -350.1MB). Peak memory consumption was 573.2MB. Max. memory is 16.1GB. * Witness Printer took 88.67ms. Allocated memory is still 763.4MB. Free memory was 477.6MB in the beginning and 453.5MB 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: 94]: 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: 16.9s, OverallIterations: 17, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 11.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2932 SdHoareTripleChecker+Valid, 9.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2932 mSDsluCounter, 3177 SdHoareTripleChecker+Invalid, 7.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 385 mSDsCounter, 1733 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10080 IncrementalHoareTripleChecker+Invalid, 11813 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1733 mSolverCounterUnsat, 2792 mSDtfsCounter, 10080 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15745occurred in iteration=12, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 17 MinimizatonAttempts, 12777 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 163 NumberOfFragments, 267 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1676 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 12264 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 3631 NumberOfCodeBlocks, 3631 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3614 ConstructedInterpolants, 0 QuantifiedInterpolants, 7926 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 2190/2190 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 == 1 && a8 == 15) && 247 <= a29) || ((10 <= a25 && a4 == 1) && a8 == 15)) || ((((10 <= a25 && a4 == 0) && a23 <= 138) && a8 == 15) && 247 <= a29)) || (((a29 <= 140 && a4 == 0) && a23 <= 138) && a8 == 15)) || ((a25 == 12 && a4 == 0) && a8 == 15)) || ((a23 <= 138 && a4 == 1) && a8 == 15)) || ((a29 <= 140 && a4 == 1) && a8 == 15)) || (((262 <= a29 && a4 == 0) && a8 == 15) && a23 <= 137)) || ((a4 == 1 && a8 == 15) && !(a23 <= 306))) || ((((10 <= a25 && a4 == 0) && a25 <= 10) && a8 == 15) && a29 <= 130)) || (((10 <= a25 && a4 == 0) && a8 == 15) && a23 <= 137) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((a4 == 1 && a8 == 15) && 247 <= a29) || ((10 <= a25 && a4 == 1) && a8 == 15)) || ((((10 <= a25 && a4 == 0) && a23 <= 138) && a8 == 15) && 247 <= a29)) || (((a29 <= 140 && a4 == 0) && a23 <= 138) && a8 == 15)) || ((a25 == 12 && a4 == 0) && a8 == 15)) || ((a23 <= 138 && a4 == 1) && a8 == 15)) || ((a29 <= 140 && a4 == 1) && a8 == 15)) || (((262 <= a29 && a4 == 0) && a8 == 15) && a23 <= 137)) || ((a4 == 1 && a8 == 15) && !(a23 <= 306))) || ((((10 <= a25 && a4 == 0) && a25 <= 10) && a8 == 15) && a29 <= 130)) || (((10 <= a25 && a4 == 0) && a8 == 15) && a23 <= 137) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-21 11:00:02,948 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