./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label53.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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/Problem16_label53.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 5bb876526976d34e770d72ff347b6a1a75fb61e5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-25 22:35:43,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 22:35:43,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 22:35:43,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 22:35:43,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 22:35:43,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 22:35:43,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 22:35:43,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 22:35:43,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 22:35:43,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 22:35:43,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 22:35:43,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 22:35:43,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 22:35:43,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 22:35:43,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 22:35:43,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 22:35:43,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 22:35:43,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 22:35:43,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 22:35:43,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 22:35:43,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 22:35:43,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 22:35:43,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 22:35:43,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 22:35:43,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 22:35:43,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 22:35:43,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 22:35:43,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 22:35:43,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 22:35:43,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 22:35:43,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 22:35:43,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 22:35:43,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 22:35:43,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 22:35:43,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 22:35:43,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 22:35:43,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 22:35:43,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 22:35:43,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 22:35:43,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 22:35:43,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 22:35:43,191 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 22:35:43,226 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 22:35:43,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 22:35:43,227 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 22:35:43,228 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 22:35:43,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 22:35:43,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 22:35:43,230 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 22:35:43,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 22:35:43,230 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 22:35:43,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 22:35:43,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 22:35:43,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 22:35:43,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 22:35:43,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 22:35:43,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 22:35:43,232 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 22:35:43,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 22:35:43,233 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 22:35:43,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 22:35:43,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 22:35:43,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 22:35:43,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 22:35:43,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:35:43,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 22:35:43,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 22:35:43,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 22:35:43,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 22:35:43,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 22:35:43,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 22:35:43,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 22:35:43,242 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bb876526976d34e770d72ff347b6a1a75fb61e5 [2021-08-25 22:35:43,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 22:35:43,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 22:35:43,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 22:35:43,567 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 22:35:43,567 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 22:35:43,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label53.c [2021-08-25 22:35:43,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f9e9fd9b/844869212db2489d89d85dc134edc17e/FLAGbe6c8cc5b [2021-08-25 22:35:44,216 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 22:35:44,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label53.c [2021-08-25 22:35:44,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f9e9fd9b/844869212db2489d89d85dc134edc17e/FLAGbe6c8cc5b [2021-08-25 22:35:44,613 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f9e9fd9b/844869212db2489d89d85dc134edc17e [2021-08-25 22:35:44,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 22:35:44,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 22:35:44,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 22:35:44,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 22:35:44,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 22:35:44,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:35:44" (1/1) ... [2021-08-25 22:35:44,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d20c9e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:35:44, skipping insertion in model container [2021-08-25 22:35:44,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:35:44" (1/1) ... [2021-08-25 22:35:44,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 22:35:44,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 22:35:44,895 WARN L228 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/Problem16_label53.c[4014,4027] [2021-08-25 22:35:45,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:35:45,246 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 22:35:45,261 WARN L228 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/Problem16_label53.c[4014,4027] [2021-08-25 22:35:45,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:35:45,442 INFO L208 MainTranslator]: Completed translation [2021-08-25 22:35:45,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:35:45 WrapperNode [2021-08-25 22:35:45,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 22:35:45,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 22:35:45,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 22:35:45,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 22:35:45,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:35:45" (1/1) ... [2021-08-25 22:35:45,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:35:45" (1/1) ... [2021-08-25 22:35:45,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 22:35:45,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 22:35:45,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 22:35:45,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 22:35:45,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:35:45" (1/1) ... [2021-08-25 22:35:45,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:35:45" (1/1) ... [2021-08-25 22:35:45,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:35:45" (1/1) ... [2021-08-25 22:35:45,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:35:45" (1/1) ... [2021-08-25 22:35:45,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:35:45" (1/1) ... [2021-08-25 22:35:45,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:35:45" (1/1) ... [2021-08-25 22:35:45,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:35:45" (1/1) ... [2021-08-25 22:35:45,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 22:35:45,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 22:35:45,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 22:35:45,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 22:35:45,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:35:45" (1/1) ... [2021-08-25 22:35:45,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:35:45,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:35:45,882 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) [2021-08-25 22:35:45,909 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 [2021-08-25 22:35:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 22:35:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 22:35:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 22:35:45,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 22:35:47,689 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 22:35:47,690 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-08-25 22:35:47,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:35:47 BoogieIcfgContainer [2021-08-25 22:35:47,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 22:35:47,693 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 22:35:47,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 22:35:47,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 22:35:47,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 10:35:44" (1/3) ... [2021-08-25 22:35:47,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59dc57b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:35:47, skipping insertion in model container [2021-08-25 22:35:47,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:35:45" (2/3) ... [2021-08-25 22:35:47,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59dc57b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:35:47, skipping insertion in model container [2021-08-25 22:35:47,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:35:47" (3/3) ... [2021-08-25 22:35:47,698 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label53.c [2021-08-25 22:35:47,702 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 22:35:47,703 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 22:35:47,742 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 22:35:47,747 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-08-25 22:35:47,747 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 22:35:47,766 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:47,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-08-25 22:35:47,771 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:35:47,772 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:35:47,772 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:35:47,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:35:47,776 INFO L82 PathProgramCache]: Analyzing trace with hash 2088660649, now seen corresponding path program 1 times [2021-08-25 22:35:47,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:35:47,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568431392] [2021-08-25 22:35:47,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:35:47,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:35:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:35:47,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:35:47,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:35:47,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568431392] [2021-08-25 22:35:47,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568431392] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:35:47,951 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:35:47,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:35:47,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646907527] [2021-08-25 22:35:47,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:35:47,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:35:47,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:35:47,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:35:47,973 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 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 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:50,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:35:50,012 INFO L93 Difference]: Finished difference Result 1137 states and 2118 transitions. [2021-08-25 22:35:50,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:35:50,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2021-08-25 22:35:50,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:35:50,027 INFO L225 Difference]: With dead ends: 1137 [2021-08-25 22:35:50,028 INFO L226 Difference]: Without dead ends: 662 [2021-08-25 22:35:50,032 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:35:50,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-08-25 22:35:50,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-08-25 22:35:50,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.7004538577912254) internal successors, (1124), 661 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:50,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1124 transitions. [2021-08-25 22:35:50,095 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1124 transitions. Word has length 37 [2021-08-25 22:35:50,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:35:50,096 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1124 transitions. [2021-08-25 22:35:50,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:50,096 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1124 transitions. [2021-08-25 22:35:50,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-08-25 22:35:50,099 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:35:50,099 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:35:50,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 22:35:50,100 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:35:50,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:35:50,101 INFO L82 PathProgramCache]: Analyzing trace with hash -2144444855, now seen corresponding path program 1 times [2021-08-25 22:35:50,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:35:50,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123547990] [2021-08-25 22:35:50,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:35:50,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:35:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:35:50,198 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:35:50,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:35:50,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123547990] [2021-08-25 22:35:50,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123547990] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:35:50,199 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:35:50,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:35:50,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319917712] [2021-08-25 22:35:50,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:35:50,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:35:50,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:35:50,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:35:50,201 INFO L87 Difference]: Start difference. First operand 662 states and 1124 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:51,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:35:51,691 INFO L93 Difference]: Finished difference Result 1980 states and 3367 transitions. [2021-08-25 22:35:51,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:35:51,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2021-08-25 22:35:51,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:35:51,702 INFO L225 Difference]: With dead ends: 1980 [2021-08-25 22:35:51,702 INFO L226 Difference]: Without dead ends: 1320 [2021-08-25 22:35:51,705 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:35:51,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-08-25 22:35:51,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2021-08-25 22:35:51,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.620166793025019) internal successors, (2137), 1319 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:51,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2137 transitions. [2021-08-25 22:35:51,761 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2137 transitions. Word has length 103 [2021-08-25 22:35:51,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:35:51,762 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 2137 transitions. [2021-08-25 22:35:51,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:51,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2137 transitions. [2021-08-25 22:35:51,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-08-25 22:35:51,765 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:35:51,765 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:35:51,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 22:35:51,765 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:35:51,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:35:51,766 INFO L82 PathProgramCache]: Analyzing trace with hash 925555273, now seen corresponding path program 1 times [2021-08-25 22:35:51,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:35:51,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772095443] [2021-08-25 22:35:51,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:35:51,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:35:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:35:51,858 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:35:51,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:35:51,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772095443] [2021-08-25 22:35:51,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772095443] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:35:51,859 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:35:51,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:35:51,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924805684] [2021-08-25 22:35:51,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:35:51,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:35:51,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:35:51,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:35:51,862 INFO L87 Difference]: Start difference. First operand 1320 states and 2137 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:53,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:35:53,275 INFO L93 Difference]: Finished difference Result 3296 states and 5285 transitions. [2021-08-25 22:35:53,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:35:53,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2021-08-25 22:35:53,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:35:53,286 INFO L225 Difference]: With dead ends: 3296 [2021-08-25 22:35:53,287 INFO L226 Difference]: Without dead ends: 1978 [2021-08-25 22:35:53,288 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:35:53,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2021-08-25 22:35:53,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2021-08-25 22:35:53,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.3323216995447649) internal successors, (2634), 1977 states have internal predecessors, (2634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:53,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2634 transitions. [2021-08-25 22:35:53,322 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2634 transitions. Word has length 104 [2021-08-25 22:35:53,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:35:53,322 INFO L470 AbstractCegarLoop]: Abstraction has 1978 states and 2634 transitions. [2021-08-25 22:35:53,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:53,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2634 transitions. [2021-08-25 22:35:53,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-08-25 22:35:53,325 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:35:53,325 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:35:53,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 22:35:53,326 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:35:53,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:35:53,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1093615855, now seen corresponding path program 1 times [2021-08-25 22:35:53,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:35:53,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602801416] [2021-08-25 22:35:53,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:35:53,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:35:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:35:53,460 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:35:53,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:35:53,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602801416] [2021-08-25 22:35:53,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602801416] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:35:53,461 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:35:53,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:35:53,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787547989] [2021-08-25 22:35:53,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:35:53,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:35:53,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:35:53,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:35:53,463 INFO L87 Difference]: Start difference. First operand 1978 states and 2634 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:55,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:35:55,016 INFO L93 Difference]: Finished difference Result 5928 states and 7897 transitions. [2021-08-25 22:35:55,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:35:55,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 196 [2021-08-25 22:35:55,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:35:55,030 INFO L225 Difference]: With dead ends: 5928 [2021-08-25 22:35:55,030 INFO L226 Difference]: Without dead ends: 3952 [2021-08-25 22:35:55,033 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:35:55,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-08-25 22:35:55,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-08-25 22:35:55,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.216400911161731) internal successors, (4806), 3951 states have internal predecessors, (4806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:55,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4806 transitions. [2021-08-25 22:35:55,099 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4806 transitions. Word has length 196 [2021-08-25 22:35:55,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:35:55,101 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4806 transitions. [2021-08-25 22:35:55,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:55,101 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4806 transitions. [2021-08-25 22:35:55,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-08-25 22:35:55,108 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:35:55,108 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:35:55,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 22:35:55,109 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:35:55,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:35:55,110 INFO L82 PathProgramCache]: Analyzing trace with hash -2133395162, now seen corresponding path program 1 times [2021-08-25 22:35:55,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:35:55,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747800800] [2021-08-25 22:35:55,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:35:55,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:35:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:35:55,411 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:35:55,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:35:55,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747800800] [2021-08-25 22:35:55,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747800800] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:35:55,412 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:35:55,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:35:55,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600630157] [2021-08-25 22:35:55,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:35:55,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:35:55,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:35:55,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:35:55,414 INFO L87 Difference]: Start difference. First operand 3952 states and 4806 transitions. Second operand has 4 states, 4 states have (on average 70.5) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:56,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:35:56,976 INFO L93 Difference]: Finished difference Result 8269 states and 9989 transitions. [2021-08-25 22:35:56,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-25 22:35:56,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.5) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 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 282 [2021-08-25 22:35:56,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:35:56,990 INFO L225 Difference]: With dead ends: 8269 [2021-08-25 22:35:56,990 INFO L226 Difference]: Without dead ends: 4319 [2021-08-25 22:35:56,995 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:35:56,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4319 states. [2021-08-25 22:35:57,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4319 to 4281. [2021-08-25 22:35:57,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 4280 states have (on average 1.2011682242990653) internal successors, (5141), 4280 states have internal predecessors, (5141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:57,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5141 transitions. [2021-08-25 22:35:57,063 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5141 transitions. Word has length 282 [2021-08-25 22:35:57,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:35:57,064 INFO L470 AbstractCegarLoop]: Abstraction has 4281 states and 5141 transitions. [2021-08-25 22:35:57,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.5) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:57,065 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5141 transitions. [2021-08-25 22:35:57,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-08-25 22:35:57,070 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:35:57,070 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:35:57,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 22:35:57,071 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:35:57,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:35:57,071 INFO L82 PathProgramCache]: Analyzing trace with hash -883223724, now seen corresponding path program 1 times [2021-08-25 22:35:57,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:35:57,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489566332] [2021-08-25 22:35:57,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:35:57,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:35:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:35:57,306 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:35:57,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:35:57,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489566332] [2021-08-25 22:35:57,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489566332] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:35:57,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:35:57,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-25 22:35:57,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576334890] [2021-08-25 22:35:57,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 22:35:57,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:35:57,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 22:35:57,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:35:57,309 INFO L87 Difference]: Start difference. First operand 4281 states and 5141 transitions. Second operand has 7 states, 7 states have (on average 52.714285714285715) internal successors, (369), 6 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:58,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:35:58,905 INFO L93 Difference]: Finished difference Result 8090 states and 9792 transitions. [2021-08-25 22:35:58,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-25 22:35:58,906 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 52.714285714285715) internal successors, (369), 6 states have internal predecessors, (369), 0 states have call successors, (0), 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 369 [2021-08-25 22:35:58,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:35:58,926 INFO L225 Difference]: With dead ends: 8090 [2021-08-25 22:35:58,926 INFO L226 Difference]: Without dead ends: 3952 [2021-08-25 22:35:58,935 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.5ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:35:58,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-08-25 22:35:58,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-08-25 22:35:58,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.0802328524424196) internal successors, (4268), 3951 states have internal predecessors, (4268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:58,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4268 transitions. [2021-08-25 22:35:58,997 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4268 transitions. Word has length 369 [2021-08-25 22:35:58,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:35:58,998 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4268 transitions. [2021-08-25 22:35:58,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 52.714285714285715) internal successors, (369), 6 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:58,998 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4268 transitions. [2021-08-25 22:35:59,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2021-08-25 22:35:59,002 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:35:59,003 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:35:59,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 22:35:59,003 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:35:59,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:35:59,005 INFO L82 PathProgramCache]: Analyzing trace with hash 801800556, now seen corresponding path program 1 times [2021-08-25 22:35:59,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:35:59,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124434429] [2021-08-25 22:35:59,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:35:59,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:35:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:35:59,194 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-08-25 22:35:59,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:35:59,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124434429] [2021-08-25 22:35:59,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124434429] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:35:59,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97009510] [2021-08-25 22:35:59,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:35:59,196 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:35:59,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:35:59,205 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:35:59,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-25 22:35:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:35:59,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 22:35:59,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:36:00,789 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-08-25 22:36:00,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97009510] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:36:00,790 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:36:00,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-08-25 22:36:00,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129758677] [2021-08-25 22:36:00,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:36:00,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:36:00,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:36:00,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:36:00,793 INFO L87 Difference]: Start difference. First operand 3952 states and 4268 transitions. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:01,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:36:01,712 INFO L93 Difference]: Finished difference Result 4941 states and 5287 transitions. [2021-08-25 22:36:01,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:36:01,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 0 states have call successors, (0), 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 376 [2021-08-25 22:36:01,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:36:01,728 INFO L225 Difference]: With dead ends: 4941 [2021-08-25 22:36:01,729 INFO L226 Difference]: Without dead ends: 4939 [2021-08-25 22:36:01,730 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.5ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:36:01,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4939 states. [2021-08-25 22:36:01,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4939 to 4281. [2021-08-25 22:36:01,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 4280 states have (on average 1.0771028037383177) internal successors, (4610), 4280 states have internal predecessors, (4610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:01,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 4610 transitions. [2021-08-25 22:36:01,801 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 4610 transitions. Word has length 376 [2021-08-25 22:36:01,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:36:01,803 INFO L470 AbstractCegarLoop]: Abstraction has 4281 states and 4610 transitions. [2021-08-25 22:36:01,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:01,803 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 4610 transitions. [2021-08-25 22:36:01,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2021-08-25 22:36:01,814 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:36:01,814 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-08-25 22:36:01,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-25 22:36:02,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:36:02,029 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:36:02,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:36:02,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1192737784, now seen corresponding path program 1 times [2021-08-25 22:36:02,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:36:02,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342386462] [2021-08-25 22:36:02,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:02,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:36:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:02,213 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 547 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-08-25 22:36:02,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:36:02,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342386462] [2021-08-25 22:36:02,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342386462] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:36:02,214 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:36:02,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:36:02,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672139617] [2021-08-25 22:36:02,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:36:02,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:36:02,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:36:02,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:36:02,217 INFO L87 Difference]: Start difference. First operand 4281 states and 4610 transitions. Second operand has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:03,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:36:03,973 INFO L93 Difference]: Finished difference Result 12179 states and 13189 transitions. [2021-08-25 22:36:03,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:36:03,974 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 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 575 [2021-08-25 22:36:03,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:36:04,002 INFO L225 Difference]: With dead ends: 12179 [2021-08-25 22:36:04,007 INFO L226 Difference]: Without dead ends: 8229 [2021-08-25 22:36:04,012 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:36:04,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2021-08-25 22:36:04,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 7900. [2021-08-25 22:36:04,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7900 states, 7899 states have (on average 1.0724142296493226) internal successors, (8471), 7899 states have internal predecessors, (8471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:04,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 8471 transitions. [2021-08-25 22:36:04,141 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 8471 transitions. Word has length 575 [2021-08-25 22:36:04,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:36:04,141 INFO L470 AbstractCegarLoop]: Abstraction has 7900 states and 8471 transitions. [2021-08-25 22:36:04,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:04,142 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 8471 transitions. [2021-08-25 22:36:04,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2021-08-25 22:36:04,159 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:36:04,160 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:36:04,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-25 22:36:04,160 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:36:04,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:36:04,161 INFO L82 PathProgramCache]: Analyzing trace with hash 800593705, now seen corresponding path program 1 times [2021-08-25 22:36:04,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:36:04,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497423945] [2021-08-25 22:36:04,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:04,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:36:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:04,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 841 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2021-08-25 22:36:04,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:36:04,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497423945] [2021-08-25 22:36:04,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497423945] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:36:04,397 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:36:04,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:36:04,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212883485] [2021-08-25 22:36:04,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:36:04,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:36:04,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:36:04,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:36:04,401 INFO L87 Difference]: Start difference. First operand 7900 states and 8471 transitions. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:05,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:36:05,407 INFO L93 Difference]: Finished difference Result 18430 states and 19933 transitions. [2021-08-25 22:36:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:36:05,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 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 679 [2021-08-25 22:36:05,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:36:05,427 INFO L225 Difference]: With dead ends: 18430 [2021-08-25 22:36:05,427 INFO L226 Difference]: Without dead ends: 11190 [2021-08-25 22:36:05,437 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:36:05,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11190 states. [2021-08-25 22:36:05,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11190 to 10532. [2021-08-25 22:36:05,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10532 states, 10531 states have (on average 1.0784350963821099) internal successors, (11357), 10531 states have internal predecessors, (11357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:05,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10532 states to 10532 states and 11357 transitions. [2021-08-25 22:36:05,627 INFO L78 Accepts]: Start accepts. Automaton has 10532 states and 11357 transitions. Word has length 679 [2021-08-25 22:36:05,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:36:05,628 INFO L470 AbstractCegarLoop]: Abstraction has 10532 states and 11357 transitions. [2021-08-25 22:36:05,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:05,628 INFO L276 IsEmpty]: Start isEmpty. Operand 10532 states and 11357 transitions. [2021-08-25 22:36:05,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 926 [2021-08-25 22:36:05,648 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:36:05,648 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:36:05,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-25 22:36:05,649 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:36:05,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:36:05,650 INFO L82 PathProgramCache]: Analyzing trace with hash 377529027, now seen corresponding path program 1 times [2021-08-25 22:36:05,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:36:05,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383912542] [2021-08-25 22:36:05,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:05,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:36:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:05,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1858 backedges. 1176 proven. 0 refuted. 0 times theorem prover too weak. 682 trivial. 0 not checked. [2021-08-25 22:36:05,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:36:05,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383912542] [2021-08-25 22:36:05,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383912542] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:36:05,967 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:36:05,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:36:05,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615531072] [2021-08-25 22:36:05,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:36:05,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:36:05,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:36:05,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:36:05,971 INFO L87 Difference]: Start difference. First operand 10532 states and 11357 transitions. Second operand has 4 states, 4 states have (on average 148.25) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:07,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:36:07,078 INFO L93 Difference]: Finished difference Result 20404 states and 22045 transitions. [2021-08-25 22:36:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:36:07,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 148.25) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 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 925 [2021-08-25 22:36:07,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:36:07,096 INFO L225 Difference]: With dead ends: 20404 [2021-08-25 22:36:07,096 INFO L226 Difference]: Without dead ends: 10532 [2021-08-25 22:36:07,108 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:36:07,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10532 states. [2021-08-25 22:36:07,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10532 to 10532. [2021-08-25 22:36:07,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10532 states, 10531 states have (on average 1.0781502231506979) internal successors, (11354), 10531 states have internal predecessors, (11354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:07,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10532 states to 10532 states and 11354 transitions. [2021-08-25 22:36:07,264 INFO L78 Accepts]: Start accepts. Automaton has 10532 states and 11354 transitions. Word has length 925 [2021-08-25 22:36:07,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:36:07,265 INFO L470 AbstractCegarLoop]: Abstraction has 10532 states and 11354 transitions. [2021-08-25 22:36:07,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 148.25) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:07,265 INFO L276 IsEmpty]: Start isEmpty. Operand 10532 states and 11354 transitions. [2021-08-25 22:36:07,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 987 [2021-08-25 22:36:07,285 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:36:07,286 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:36:07,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-25 22:36:07,287 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:36:07,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:36:07,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1494758133, now seen corresponding path program 1 times [2021-08-25 22:36:07,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:36:07,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775185425] [2021-08-25 22:36:07,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:07,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:36:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:07,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 1259 proven. 0 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2021-08-25 22:36:07,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:36:07,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775185425] [2021-08-25 22:36:07,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775185425] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:36:07,581 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:36:07,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:36:07,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878326670] [2021-08-25 22:36:07,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:36:07,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:36:07,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:36:07,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:36:07,584 INFO L87 Difference]: Start difference. First operand 10532 states and 11354 transitions. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:08,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:36:08,600 INFO L93 Difference]: Finished difference Result 23036 states and 24995 transitions. [2021-08-25 22:36:08,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:36:08,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 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 986 [2021-08-25 22:36:08,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:36:08,619 INFO L225 Difference]: With dead ends: 23036 [2021-08-25 22:36:08,620 INFO L226 Difference]: Without dead ends: 13164 [2021-08-25 22:36:08,628 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:36:08,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2021-08-25 22:36:08,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 13164. [2021-08-25 22:36:08,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0643470333510598) internal successors, (14010), 13163 states have internal predecessors, (14010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:08,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 14010 transitions. [2021-08-25 22:36:08,790 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 14010 transitions. Word has length 986 [2021-08-25 22:36:08,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:36:08,791 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 14010 transitions. [2021-08-25 22:36:08,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:08,792 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 14010 transitions. [2021-08-25 22:36:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 988 [2021-08-25 22:36:08,812 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:36:08,812 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:36:08,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-25 22:36:08,813 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:36:08,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:36:08,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1347311074, now seen corresponding path program 1 times [2021-08-25 22:36:08,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:36:08,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591700620] [2021-08-25 22:36:08,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:08,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:36:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:09,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1960 backedges. 898 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2021-08-25 22:36:09,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:36:09,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591700620] [2021-08-25 22:36:09,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591700620] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:36:09,101 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:36:09,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:36:09,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845944462] [2021-08-25 22:36:09,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:36:09,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:36:09,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:36:09,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:36:09,105 INFO L87 Difference]: Start difference. First operand 13164 states and 14010 transitions. Second operand has 3 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:10,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:36:10,037 INFO L93 Difference]: Finished difference Result 26655 states and 28407 transitions. [2021-08-25 22:36:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:36:10,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 0 states have call successors, (0), 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 987 [2021-08-25 22:36:10,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:36:10,059 INFO L225 Difference]: With dead ends: 26655 [2021-08-25 22:36:10,060 INFO L226 Difference]: Without dead ends: 14151 [2021-08-25 22:36:10,072 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:36:10,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14151 states. [2021-08-25 22:36:10,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14151 to 13493. [2021-08-25 22:36:10,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13493 states, 13492 states have (on average 1.0558108508745923) internal successors, (14245), 13492 states have internal predecessors, (14245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:10,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 14245 transitions. [2021-08-25 22:36:10,223 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 14245 transitions. Word has length 987 [2021-08-25 22:36:10,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:36:10,224 INFO L470 AbstractCegarLoop]: Abstraction has 13493 states and 14245 transitions. [2021-08-25 22:36:10,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:10,224 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 14245 transitions. [2021-08-25 22:36:10,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1002 [2021-08-25 22:36:10,243 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:36:10,244 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:36:10,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-25 22:36:10,245 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:36:10,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:36:10,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1646483782, now seen corresponding path program 1 times [2021-08-25 22:36:10,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:36:10,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288722821] [2021-08-25 22:36:10,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:10,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:36:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:10,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1850 backedges. 877 proven. 0 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2021-08-25 22:36:10,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:36:10,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288722821] [2021-08-25 22:36:10,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288722821] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:36:10,637 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:36:10,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:36:10,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843553920] [2021-08-25 22:36:10,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:36:10,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:36:10,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:36:10,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:36:10,640 INFO L87 Difference]: Start difference. First operand 13493 states and 14245 transitions. Second operand has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:11,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:36:11,599 INFO L93 Difference]: Finished difference Result 31919 states and 33747 transitions. [2021-08-25 22:36:11,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:36:11,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 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 1001 [2021-08-25 22:36:11,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:36:11,621 INFO L225 Difference]: With dead ends: 31919 [2021-08-25 22:36:11,621 INFO L226 Difference]: Without dead ends: 16783 [2021-08-25 22:36:11,633 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:36:11,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2021-08-25 22:36:11,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 16783. [2021-08-25 22:36:11,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.042188058634251) internal successors, (17490), 16782 states have internal predecessors, (17490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:11,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17490 transitions. [2021-08-25 22:36:11,809 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17490 transitions. Word has length 1001 [2021-08-25 22:36:11,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:36:11,810 INFO L470 AbstractCegarLoop]: Abstraction has 16783 states and 17490 transitions. [2021-08-25 22:36:11,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:11,811 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17490 transitions. [2021-08-25 22:36:11,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1317 [2021-08-25 22:36:11,834 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:36:11,835 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:36:11,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-25 22:36:11,836 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:36:11,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:36:11,836 INFO L82 PathProgramCache]: Analyzing trace with hash -737756366, now seen corresponding path program 1 times [2021-08-25 22:36:11,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:36:11,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590065813] [2021-08-25 22:36:11,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:11,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:36:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:12,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3611 backedges. 1199 proven. 0 refuted. 0 times theorem prover too weak. 2412 trivial. 0 not checked. [2021-08-25 22:36:12,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:36:12,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590065813] [2021-08-25 22:36:12,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590065813] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:36:12,258 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:36:12,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:36:12,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644973437] [2021-08-25 22:36:12,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:36:12,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:36:12,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:36:12,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:36:12,261 INFO L87 Difference]: Start difference. First operand 16783 states and 17490 transitions. Second operand has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:13,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:36:13,206 INFO L93 Difference]: Finished difference Result 35538 states and 37147 transitions. [2021-08-25 22:36:13,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:36:13,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 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 1316 [2021-08-25 22:36:13,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:36:13,228 INFO L225 Difference]: With dead ends: 35538 [2021-08-25 22:36:13,228 INFO L226 Difference]: Without dead ends: 17112 [2021-08-25 22:36:13,240 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:36:13,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-08-25 22:36:13,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 16783. [2021-08-25 22:36:13,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.0352163031819808) internal successors, (17373), 16782 states have internal predecessors, (17373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:13,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17373 transitions. [2021-08-25 22:36:13,484 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17373 transitions. Word has length 1316 [2021-08-25 22:36:13,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:36:13,485 INFO L470 AbstractCegarLoop]: Abstraction has 16783 states and 17373 transitions. [2021-08-25 22:36:13,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:13,486 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17373 transitions. [2021-08-25 22:36:13,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1433 [2021-08-25 22:36:13,524 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:36:13,524 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:36:13,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-25 22:36:13,525 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:36:13,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:36:13,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1280599591, now seen corresponding path program 1 times [2021-08-25 22:36:13,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:36:13,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126761689] [2021-08-25 22:36:13,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:13,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:36:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:14,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3798 backedges. 1386 proven. 0 refuted. 0 times theorem prover too weak. 2412 trivial. 0 not checked. [2021-08-25 22:36:14,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:36:14,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126761689] [2021-08-25 22:36:14,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126761689] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:36:14,044 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:36:14,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:36:14,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774084531] [2021-08-25 22:36:14,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:36:14,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:36:14,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:36:14,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:36:14,049 INFO L87 Difference]: Start difference. First operand 16783 states and 17373 transitions. Second operand has 4 states, 4 states have (on average 144.25) internal successors, (577), 4 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:15,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:36:15,263 INFO L93 Difference]: Finished difference Result 34906 states and 36147 transitions. [2021-08-25 22:36:15,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:36:15,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 144.25) internal successors, (577), 4 states have internal predecessors, (577), 0 states have call successors, (0), 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 1432 [2021-08-25 22:36:15,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:36:15,282 INFO L225 Difference]: With dead ends: 34906 [2021-08-25 22:36:15,283 INFO L226 Difference]: Without dead ends: 18757 [2021-08-25 22:36:15,294 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:36:15,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18757 states. [2021-08-25 22:36:15,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18757 to 14809. [2021-08-25 22:36:15,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14809 states, 14808 states have (on average 1.0351161534305782) internal successors, (15328), 14808 states have internal predecessors, (15328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:15,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14809 states to 14809 states and 15328 transitions. [2021-08-25 22:36:15,477 INFO L78 Accepts]: Start accepts. Automaton has 14809 states and 15328 transitions. Word has length 1432 [2021-08-25 22:36:15,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:36:15,479 INFO L470 AbstractCegarLoop]: Abstraction has 14809 states and 15328 transitions. [2021-08-25 22:36:15,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 144.25) internal successors, (577), 4 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:15,479 INFO L276 IsEmpty]: Start isEmpty. Operand 14809 states and 15328 transitions. [2021-08-25 22:36:15,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1600 [2021-08-25 22:36:15,509 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:36:15,511 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:36:15,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-25 22:36:15,511 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:36:15,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:36:15,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1067587039, now seen corresponding path program 1 times [2021-08-25 22:36:15,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:36:15,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938201966] [2021-08-25 22:36:15,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:15,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:36:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:16,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4752 backedges. 2828 proven. 0 refuted. 0 times theorem prover too weak. 1924 trivial. 0 not checked. [2021-08-25 22:36:16,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:36:16,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938201966] [2021-08-25 22:36:16,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938201966] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:36:16,136 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:36:16,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:36:16,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879114480] [2021-08-25 22:36:16,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:36:16,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:36:16,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:36:16,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:36:16,139 INFO L87 Difference]: Start difference. First operand 14809 states and 15328 transitions. Second operand has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:17,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:36:17,094 INFO L93 Difference]: Finished difference Result 28958 states and 29990 transitions. [2021-08-25 22:36:17,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:36:17,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 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 1599 [2021-08-25 22:36:17,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:36:17,107 INFO L225 Difference]: With dead ends: 28958 [2021-08-25 22:36:17,108 INFO L226 Difference]: Without dead ends: 14809 [2021-08-25 22:36:17,118 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:36:17,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2021-08-25 22:36:17,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14809. [2021-08-25 22:36:17,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14809 states, 14808 states have (on average 1.0343057806591032) internal successors, (15316), 14808 states have internal predecessors, (15316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:17,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14809 states to 14809 states and 15316 transitions. [2021-08-25 22:36:17,289 INFO L78 Accepts]: Start accepts. Automaton has 14809 states and 15316 transitions. Word has length 1599 [2021-08-25 22:36:17,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:36:17,290 INFO L470 AbstractCegarLoop]: Abstraction has 14809 states and 15316 transitions. [2021-08-25 22:36:17,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:17,290 INFO L276 IsEmpty]: Start isEmpty. Operand 14809 states and 15316 transitions. [2021-08-25 22:36:17,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1667 [2021-08-25 22:36:17,314 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:36:17,315 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:36:17,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-25 22:36:17,316 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:36:17,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:36:17,316 INFO L82 PathProgramCache]: Analyzing trace with hash 304409463, now seen corresponding path program 1 times [2021-08-25 22:36:17,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:36:17,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805104667] [2021-08-25 22:36:17,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:17,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:36:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:17,843 INFO L134 CoverageAnalysis]: Checked inductivity of 5322 backedges. 3623 proven. 0 refuted. 0 times theorem prover too weak. 1699 trivial. 0 not checked. [2021-08-25 22:36:17,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:36:17,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805104667] [2021-08-25 22:36:17,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805104667] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:36:17,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:36:17,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:36:17,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696570512] [2021-08-25 22:36:17,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:36:17,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:36:17,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:36:17,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:36:17,846 INFO L87 Difference]: Start difference. First operand 14809 states and 15316 transitions. Second operand has 3 states, 3 states have (on average 254.66666666666666) internal successors, (764), 3 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:18,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:36:18,622 INFO L93 Difference]: Finished difference Result 28958 states and 29966 transitions. [2021-08-25 22:36:18,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:36:18,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 254.66666666666666) internal successors, (764), 3 states have internal predecessors, (764), 0 states have call successors, (0), 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 1666 [2021-08-25 22:36:18,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:36:18,635 INFO L225 Difference]: With dead ends: 28958 [2021-08-25 22:36:18,636 INFO L226 Difference]: Without dead ends: 14809 [2021-08-25 22:36:18,644 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:36:18,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2021-08-25 22:36:18,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14809. [2021-08-25 22:36:18,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14809 states, 14808 states have (on average 1.034170718530524) internal successors, (15314), 14808 states have internal predecessors, (15314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:18,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14809 states to 14809 states and 15314 transitions. [2021-08-25 22:36:18,765 INFO L78 Accepts]: Start accepts. Automaton has 14809 states and 15314 transitions. Word has length 1666 [2021-08-25 22:36:18,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:36:18,766 INFO L470 AbstractCegarLoop]: Abstraction has 14809 states and 15314 transitions. [2021-08-25 22:36:18,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 254.66666666666666) internal successors, (764), 3 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:18,766 INFO L276 IsEmpty]: Start isEmpty. Operand 14809 states and 15314 transitions. [2021-08-25 22:36:18,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1682 [2021-08-25 22:36:18,846 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:36:18,846 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:36:18,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-25 22:36:18,847 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:36:18,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:36:18,848 INFO L82 PathProgramCache]: Analyzing trace with hash 2116234018, now seen corresponding path program 1 times [2021-08-25 22:36:18,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:36:18,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146821848] [2021-08-25 22:36:18,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:18,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:36:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:19,257 INFO L134 CoverageAnalysis]: Checked inductivity of 5725 backedges. 3710 proven. 0 refuted. 0 times theorem prover too weak. 2015 trivial. 0 not checked. [2021-08-25 22:36:19,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:36:19,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146821848] [2021-08-25 22:36:19,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146821848] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:36:19,258 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:36:19,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:36:19,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128620546] [2021-08-25 22:36:19,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:36:19,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:36:19,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:36:19,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:36:19,263 INFO L87 Difference]: Start difference. First operand 14809 states and 15314 transitions. Second operand has 3 states, 3 states have (on average 218.33333333333334) internal successors, (655), 3 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:20,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:36:20,250 INFO L93 Difference]: Finished difference Result 28958 states and 29962 transitions. [2021-08-25 22:36:20,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:36:20,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 218.33333333333334) internal successors, (655), 3 states have internal predecessors, (655), 0 states have call successors, (0), 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 1681 [2021-08-25 22:36:20,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:36:20,267 INFO L225 Difference]: With dead ends: 28958 [2021-08-25 22:36:20,268 INFO L226 Difference]: Without dead ends: 14809 [2021-08-25 22:36:20,278 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:36:20,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2021-08-25 22:36:20,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14480. [2021-08-25 22:36:20,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.028040610539402) internal successors, (14885), 14479 states have internal predecessors, (14885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:20,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14885 transitions. [2021-08-25 22:36:20,397 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14885 transitions. Word has length 1681 [2021-08-25 22:36:20,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:36:20,398 INFO L470 AbstractCegarLoop]: Abstraction has 14480 states and 14885 transitions. [2021-08-25 22:36:20,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 218.33333333333334) internal successors, (655), 3 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:20,398 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14885 transitions. [2021-08-25 22:36:20,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1797 [2021-08-25 22:36:20,485 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:36:20,486 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:36:20,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-25 22:36:20,486 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:36:20,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:36:20,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1149675167, now seen corresponding path program 1 times [2021-08-25 22:36:20,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:36:20,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359793410] [2021-08-25 22:36:20,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:20,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:36:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:21,135 INFO L134 CoverageAnalysis]: Checked inductivity of 6503 backedges. 4253 proven. 0 refuted. 0 times theorem prover too weak. 2250 trivial. 0 not checked. [2021-08-25 22:36:21,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:36:21,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359793410] [2021-08-25 22:36:21,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359793410] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:36:21,136 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:36:21,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:36:21,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709435318] [2021-08-25 22:36:21,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:36:21,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:36:21,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:36:21,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:36:21,139 INFO L87 Difference]: Start difference. First operand 14480 states and 14885 transitions. Second operand has 4 states, 4 states have (on average 193.25) internal successors, (773), 4 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:22,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:36:22,180 INFO L93 Difference]: Finished difference Result 28411 states and 29215 transitions. [2021-08-25 22:36:22,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-25 22:36:22,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 193.25) internal successors, (773), 4 states have internal predecessors, (773), 0 states have call successors, (0), 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 1796 [2021-08-25 22:36:22,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:36:22,200 INFO L225 Difference]: With dead ends: 28411 [2021-08-25 22:36:22,200 INFO L226 Difference]: Without dead ends: 14591 [2021-08-25 22:36:22,207 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:36:22,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14591 states. [2021-08-25 22:36:22,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14591 to 14480. [2021-08-25 22:36:22,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.027349955107397) internal successors, (14875), 14479 states have internal predecessors, (14875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:22,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14875 transitions. [2021-08-25 22:36:22,310 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14875 transitions. Word has length 1796 [2021-08-25 22:36:22,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:36:22,311 INFO L470 AbstractCegarLoop]: Abstraction has 14480 states and 14875 transitions. [2021-08-25 22:36:22,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 193.25) internal successors, (773), 4 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:22,311 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14875 transitions. [2021-08-25 22:36:22,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1874 [2021-08-25 22:36:22,341 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:36:22,341 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:36:22,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-25 22:36:22,342 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:36:22,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:36:22,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1204616059, now seen corresponding path program 1 times [2021-08-25 22:36:22,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:36:22,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472213682] [2021-08-25 22:36:22,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:22,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:36:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:23,183 INFO L134 CoverageAnalysis]: Checked inductivity of 6646 backedges. 4345 proven. 816 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2021-08-25 22:36:23,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:36:23,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472213682] [2021-08-25 22:36:23,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472213682] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:36:23,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93158202] [2021-08-25 22:36:23,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:23,185 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:36:23,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:36:23,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:36:23,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-25 22:36:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:23,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 2183 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 22:36:23,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:36:29,612 INFO L134 CoverageAnalysis]: Checked inductivity of 6646 backedges. 2964 proven. 0 refuted. 0 times theorem prover too weak. 3682 trivial. 0 not checked. [2021-08-25 22:36:29,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93158202] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:36:29,613 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:36:29,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-08-25 22:36:29,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449138142] [2021-08-25 22:36:29,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:36:29,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:36:29,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:36:29,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-08-25 22:36:29,616 INFO L87 Difference]: Start difference. First operand 14480 states and 14875 transitions. Second operand has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:30,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:36:30,520 INFO L93 Difference]: Finished difference Result 28629 states and 29417 transitions. [2021-08-25 22:36:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:36:30,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 0 states have call successors, (0), 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 1873 [2021-08-25 22:36:30,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:36:30,533 INFO L225 Difference]: With dead ends: 28629 [2021-08-25 22:36:30,533 INFO L226 Difference]: Without dead ends: 14480 [2021-08-25 22:36:30,540 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1883 GetRequests, 1877 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 44.4ms TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-08-25 22:36:30,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2021-08-25 22:36:30,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 14151. [2021-08-25 22:36:30,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14151 states, 14150 states have (on average 1.0202826855123674) internal successors, (14437), 14150 states have internal predecessors, (14437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:30,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14151 states to 14151 states and 14437 transitions. [2021-08-25 22:36:30,642 INFO L78 Accepts]: Start accepts. Automaton has 14151 states and 14437 transitions. Word has length 1873 [2021-08-25 22:36:30,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:36:30,643 INFO L470 AbstractCegarLoop]: Abstraction has 14151 states and 14437 transitions. [2021-08-25 22:36:30,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:30,643 INFO L276 IsEmpty]: Start isEmpty. Operand 14151 states and 14437 transitions. [2021-08-25 22:36:30,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1878 [2021-08-25 22:36:30,671 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:36:30,672 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:36:30,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-25 22:36:30,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2021-08-25 22:36:30,875 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:36:30,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:36:30,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1376972589, now seen corresponding path program 1 times [2021-08-25 22:36:30,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:36:30,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260818661] [2021-08-25 22:36:30,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:30,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:36:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:31,462 INFO L134 CoverageAnalysis]: Checked inductivity of 7432 backedges. 1450 proven. 0 refuted. 0 times theorem prover too weak. 5982 trivial. 0 not checked. [2021-08-25 22:36:31,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:36:31,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260818661] [2021-08-25 22:36:31,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260818661] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:36:31,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:36:31,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:36:31,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787605393] [2021-08-25 22:36:31,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:36:31,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:36:31,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:36:31,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:36:31,467 INFO L87 Difference]: Start difference. First operand 14151 states and 14437 transitions. Second operand has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:32,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:36:32,464 INFO L93 Difference]: Finished difference Result 30603 states and 31241 transitions. [2021-08-25 22:36:32,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:36:32,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 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 1877 [2021-08-25 22:36:32,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:36:32,480 INFO L225 Difference]: With dead ends: 30603 [2021-08-25 22:36:32,480 INFO L226 Difference]: Without dead ends: 17112 [2021-08-25 22:36:32,488 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:36:32,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-08-25 22:36:32,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 15138. [2021-08-25 22:36:32,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15138 states, 15137 states have (on average 1.020677809341349) internal successors, (15450), 15137 states have internal predecessors, (15450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:32,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15138 states to 15138 states and 15450 transitions. [2021-08-25 22:36:32,608 INFO L78 Accepts]: Start accepts. Automaton has 15138 states and 15450 transitions. Word has length 1877 [2021-08-25 22:36:32,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:36:32,609 INFO L470 AbstractCegarLoop]: Abstraction has 15138 states and 15450 transitions. [2021-08-25 22:36:32,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:32,609 INFO L276 IsEmpty]: Start isEmpty. Operand 15138 states and 15450 transitions. [2021-08-25 22:36:32,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1944 [2021-08-25 22:36:32,638 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:36:32,639 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:36:32,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-25 22:36:32,639 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:36:32,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:36:32,640 INFO L82 PathProgramCache]: Analyzing trace with hash -854123880, now seen corresponding path program 1 times [2021-08-25 22:36:32,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:36:32,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984203865] [2021-08-25 22:36:32,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:32,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:36:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:33,290 INFO L134 CoverageAnalysis]: Checked inductivity of 7738 backedges. 1450 proven. 0 refuted. 0 times theorem prover too weak. 6288 trivial. 0 not checked. [2021-08-25 22:36:33,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:36:33,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984203865] [2021-08-25 22:36:33,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984203865] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:36:33,291 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:36:33,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:36:33,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125670988] [2021-08-25 22:36:33,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:36:33,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:36:33,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:36:33,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:36:33,295 INFO L87 Difference]: Start difference. First operand 15138 states and 15450 transitions. Second operand has 4 states, 4 states have (on average 101.75) internal successors, (407), 4 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:34,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:36:34,174 INFO L93 Difference]: Finished difference Result 29639 states and 30259 transitions. [2021-08-25 22:36:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:36:34,176 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 101.75) internal successors, (407), 4 states have internal predecessors, (407), 0 states have call successors, (0), 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 1943 [2021-08-25 22:36:34,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:36:34,188 INFO L225 Difference]: With dead ends: 29639 [2021-08-25 22:36:34,188 INFO L226 Difference]: Without dead ends: 15138 [2021-08-25 22:36:34,195 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:36:34,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15138 states. [2021-08-25 22:36:34,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15138 to 15138. [2021-08-25 22:36:34,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15138 states, 15137 states have (on average 1.0206117460527184) internal successors, (15449), 15137 states have internal predecessors, (15449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:34,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15138 states to 15138 states and 15449 transitions. [2021-08-25 22:36:34,374 INFO L78 Accepts]: Start accepts. Automaton has 15138 states and 15449 transitions. Word has length 1943 [2021-08-25 22:36:34,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:36:34,375 INFO L470 AbstractCegarLoop]: Abstraction has 15138 states and 15449 transitions. [2021-08-25 22:36:34,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 101.75) internal successors, (407), 4 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:34,375 INFO L276 IsEmpty]: Start isEmpty. Operand 15138 states and 15449 transitions. [2021-08-25 22:36:34,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1972 [2021-08-25 22:36:34,416 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:36:34,417 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:36:34,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-25 22:36:34,417 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:36:34,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:36:34,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1170483232, now seen corresponding path program 1 times [2021-08-25 22:36:34,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:36:34,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627746359] [2021-08-25 22:36:34,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:34,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:36:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:35,192 INFO L134 CoverageAnalysis]: Checked inductivity of 6724 backedges. 3270 proven. 2 refuted. 0 times theorem prover too weak. 3452 trivial. 0 not checked. [2021-08-25 22:36:35,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:36:35,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627746359] [2021-08-25 22:36:35,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627746359] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:36:35,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203755649] [2021-08-25 22:36:35,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:35,194 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:36:35,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:36:35,200 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:36:35,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-25 22:36:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:36,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 2290 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 22:36:36,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:36:41,670 INFO L134 CoverageAnalysis]: Checked inductivity of 6724 backedges. 3955 proven. 0 refuted. 0 times theorem prover too weak. 2769 trivial. 0 not checked. [2021-08-25 22:36:41,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203755649] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:36:41,670 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:36:41,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-08-25 22:36:41,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779998487] [2021-08-25 22:36:41,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:36:41,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:36:41,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:36:41,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:36:41,673 INFO L87 Difference]: Start difference. First operand 15138 states and 15449 transitions. Second operand has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:42,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:36:42,506 INFO L93 Difference]: Finished difference Result 29616 states and 30234 transitions. [2021-08-25 22:36:42,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:36:42,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 0 states have call successors, (0), 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 1971 [2021-08-25 22:36:42,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:36:42,519 INFO L225 Difference]: With dead ends: 29616 [2021-08-25 22:36:42,520 INFO L226 Difference]: Without dead ends: 15138 [2021-08-25 22:36:42,527 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1978 GetRequests, 1974 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 22.3ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:36:42,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15138 states. [2021-08-25 22:36:42,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15138 to 15138. [2021-08-25 22:36:42,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15138 states, 15137 states have (on average 1.020413556186827) internal successors, (15446), 15137 states have internal predecessors, (15446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:42,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15138 states to 15138 states and 15446 transitions. [2021-08-25 22:36:42,646 INFO L78 Accepts]: Start accepts. Automaton has 15138 states and 15446 transitions. Word has length 1971 [2021-08-25 22:36:42,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:36:42,647 INFO L470 AbstractCegarLoop]: Abstraction has 15138 states and 15446 transitions. [2021-08-25 22:36:42,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:42,647 INFO L276 IsEmpty]: Start isEmpty. Operand 15138 states and 15446 transitions. [2021-08-25 22:36:42,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2135 [2021-08-25 22:36:42,682 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:36:42,682 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:36:42,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-25 22:36:42,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:36:42,885 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:36:42,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:36:42,886 INFO L82 PathProgramCache]: Analyzing trace with hash 341604551, now seen corresponding path program 1 times [2021-08-25 22:36:42,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:36:42,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125996209] [2021-08-25 22:36:42,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:42,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:36:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:43,728 INFO L134 CoverageAnalysis]: Checked inductivity of 7561 backedges. 5611 proven. 531 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2021-08-25 22:36:43,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:36:43,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125996209] [2021-08-25 22:36:43,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125996209] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:36:43,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297594673] [2021-08-25 22:36:43,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:43,730 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:36:43,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:36:43,737 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:36:43,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-25 22:36:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:45,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 2451 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 22:36:45,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:36:50,708 INFO L134 CoverageAnalysis]: Checked inductivity of 7561 backedges. 4386 proven. 0 refuted. 0 times theorem prover too weak. 3175 trivial. 0 not checked. [2021-08-25 22:36:50,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297594673] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:36:50,708 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:36:50,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-08-25 22:36:50,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83527148] [2021-08-25 22:36:50,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:36:50,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:36:50,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:36:50,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-08-25 22:36:50,711 INFO L87 Difference]: Start difference. First operand 15138 states and 15446 transitions. Second operand has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:51,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:36:51,542 INFO L93 Difference]: Finished difference Result 29616 states and 30228 transitions. [2021-08-25 22:36:51,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:36:51,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 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 2134 [2021-08-25 22:36:51,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:36:51,555 INFO L225 Difference]: With dead ends: 29616 [2021-08-25 22:36:51,555 INFO L226 Difference]: Without dead ends: 15138 [2021-08-25 22:36:51,563 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2144 GetRequests, 2137 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 42.9ms TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-08-25 22:36:51,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15138 states. [2021-08-25 22:36:51,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15138 to 14151. [2021-08-25 22:36:51,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14151 states, 14150 states have (on average 1.0193639575971731) internal successors, (14424), 14150 states have internal predecessors, (14424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:51,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14151 states to 14151 states and 14424 transitions. [2021-08-25 22:36:51,674 INFO L78 Accepts]: Start accepts. Automaton has 14151 states and 14424 transitions. Word has length 2134 [2021-08-25 22:36:51,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:36:51,675 INFO L470 AbstractCegarLoop]: Abstraction has 14151 states and 14424 transitions. [2021-08-25 22:36:51,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:51,675 INFO L276 IsEmpty]: Start isEmpty. Operand 14151 states and 14424 transitions. [2021-08-25 22:36:51,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2613 [2021-08-25 22:36:51,720 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:36:51,721 INFO L512 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:36:51,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-25 22:36:51,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:36:51,931 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:36:51,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:36:51,932 INFO L82 PathProgramCache]: Analyzing trace with hash 362558310, now seen corresponding path program 1 times [2021-08-25 22:36:51,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:36:51,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630387361] [2021-08-25 22:36:51,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:51,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:36:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:53,326 INFO L134 CoverageAnalysis]: Checked inductivity of 12019 backedges. 3733 proven. 2047 refuted. 0 times theorem prover too weak. 6239 trivial. 0 not checked. [2021-08-25 22:36:53,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:36:53,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630387361] [2021-08-25 22:36:53,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630387361] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:36:53,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398508791] [2021-08-25 22:36:53,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:36:53,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:36:53,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:36:53,330 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:36:53,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-25 22:36:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:36:56,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 2997 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 22:36:56,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:37:02,216 INFO L134 CoverageAnalysis]: Checked inductivity of 12019 backedges. 6026 proven. 0 refuted. 0 times theorem prover too weak. 5993 trivial. 0 not checked. [2021-08-25 22:37:02,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398508791] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:37:02,217 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:37:02,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-08-25 22:37:02,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373782264] [2021-08-25 22:37:02,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:37:02,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:37:02,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:37:02,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-25 22:37:02,221 INFO L87 Difference]: Start difference. First operand 14151 states and 14424 transitions. Second operand has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:03,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:37:03,237 INFO L93 Difference]: Finished difference Result 29945 states and 30527 transitions. [2021-08-25 22:37:03,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:37:03,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 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 2612 [2021-08-25 22:37:03,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:37:03,251 INFO L225 Difference]: With dead ends: 29945 [2021-08-25 22:37:03,251 INFO L226 Difference]: Without dead ends: 16454 [2021-08-25 22:37:03,259 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2621 GetRequests, 2615 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 43.3ms TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-25 22:37:03,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2021-08-25 22:37:03,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 15467. [2021-08-25 22:37:03,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15467 states, 15466 states have (on average 1.0184921763869133) internal successors, (15752), 15466 states have internal predecessors, (15752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:03,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 15752 transitions. [2021-08-25 22:37:03,381 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 15752 transitions. Word has length 2612 [2021-08-25 22:37:03,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:37:03,382 INFO L470 AbstractCegarLoop]: Abstraction has 15467 states and 15752 transitions. [2021-08-25 22:37:03,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:03,382 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 15752 transitions. [2021-08-25 22:37:03,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2644 [2021-08-25 22:37:03,430 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:37:03,430 INFO L512 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:37:03,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-25 22:37:03,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-08-25 22:37:03,648 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:37:03,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:37:03,649 INFO L82 PathProgramCache]: Analyzing trace with hash 325306453, now seen corresponding path program 1 times [2021-08-25 22:37:03,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:37:03,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950431237] [2021-08-25 22:37:03,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:03,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:37:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:04,939 INFO L134 CoverageAnalysis]: Checked inductivity of 12499 backedges. 4015 proven. 2234 refuted. 0 times theorem prover too weak. 6250 trivial. 0 not checked. [2021-08-25 22:37:04,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:37:04,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950431237] [2021-08-25 22:37:04,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950431237] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:37:04,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014259255] [2021-08-25 22:37:04,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:37:04,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:37:04,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:37:04,941 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:37:04,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-25 22:37:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:37:08,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 3031 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-25 22:37:08,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:37:14,733 INFO L134 CoverageAnalysis]: Checked inductivity of 12499 backedges. 2695 proven. 36 refuted. 0 times theorem prover too weak. 9768 trivial. 0 not checked. [2021-08-25 22:37:14,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014259255] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:37:14,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:37:14,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2021-08-25 22:37:14,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114866000] [2021-08-25 22:37:14,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-25 22:37:14,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:37:14,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-25 22:37:14,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-08-25 22:37:14,738 INFO L87 Difference]: Start difference. First operand 15467 states and 15752 transitions. Second operand has 9 states, 9 states have (on average 144.88888888888889) internal successors, (1304), 9 states have internal predecessors, (1304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:22,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:37:22,133 INFO L93 Difference]: Finished difference Result 32303 states and 32906 transitions. [2021-08-25 22:37:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-25 22:37:22,133 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 144.88888888888889) internal successors, (1304), 9 states have internal predecessors, (1304), 0 states have call successors, (0), 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 2643 [2021-08-25 22:37:22,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:37:22,135 INFO L225 Difference]: With dead ends: 32303 [2021-08-25 22:37:22,135 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 22:37:22,142 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2684 GetRequests, 2661 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 331.6ms TimeCoverageRelationStatistics Valid=123, Invalid=477, Unknown=0, NotChecked=0, Total=600 [2021-08-25 22:37:22,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 22:37:22,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 22:37:22,143 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) [2021-08-25 22:37:22,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 22:37:22,143 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2643 [2021-08-25 22:37:22,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:37:22,143 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 22:37:22,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 144.88888888888889) internal successors, (1304), 9 states have internal predecessors, (1304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:37:22,143 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 22:37:22,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 22:37:22,146 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 22:37:22,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-25 22:37:22,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-08-25 22:37:22,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 22:37:22,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:37:22,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:37:22,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:37:23,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:37:26,127 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,127 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,127 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,127 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,127 INFO L857 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,128 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,128 INFO L857 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,128 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,128 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,128 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,128 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,128 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,128 INFO L857 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,128 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,128 INFO L857 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,128 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-08-25 22:37:26,128 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-08-25 22:37:26,129 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-08-25 22:37:26,129 INFO L857 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,129 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,129 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,129 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,129 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,129 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,129 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,129 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,129 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,129 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,129 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,129 INFO L857 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,129 INFO L857 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,129 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,129 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,130 INFO L857 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,130 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,130 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,130 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-08-25 22:37:26,130 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-08-25 22:37:26,130 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-08-25 22:37:26,130 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,130 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,130 INFO L857 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,131 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,131 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,131 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,131 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,131 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,131 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,131 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,131 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-08-25 22:37:26,132 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-08-25 22:37:26,132 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-08-25 22:37:26,132 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,132 INFO L857 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,132 INFO L857 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,132 INFO L857 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,132 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,132 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,132 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,133 INFO L857 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,133 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,133 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,133 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,133 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,133 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,133 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,133 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,134 INFO L857 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,134 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,134 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,134 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,134 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-08-25 22:37:26,134 INFO L857 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,134 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-08-25 22:37:26,134 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-08-25 22:37:26,135 INFO L853 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse18 (+ 87 ~a18~0))) (let ((.cse3 (<= 0 (+ ~a18~0 155))) (.cse6 (<= 0 .cse18)) (.cse16 (= 5 ~a12~0)) (.cse10 (= ~a15~0 3)) (.cse14 (<= 0 (+ 154 ~a18~0))) (.cse9 (<= 11 ~a16~0)) (.cse17 (<= ~a16~0 11)) (.cse0 (= ~a12~0 9)) (.cse8 (<= ~a12~0 6)) (.cse7 (<= ~a15~0 3)) (.cse13 (<= 10 ~a16~0)) (.cse15 (<= .cse18 0)) (.cse4 (= ~a16~0 9)) (.cse12 (= 7 ~a12~0)) (.cse1 (= ~a16~0 8)) (.cse2 (= ~a15~0 4)) (.cse11 (<= 0 (+ 600001 ~a18~0))) (.cse5 (= ~a12~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (and .cse6 .cse7 .cse8 (<= 6 ~a12~0) .cse9) (and .cse6 .cse1 .cse2 .cse8) (and (= ~a16~0 10) .cse5 (<= (+ ~a18~0 419869) 0) .cse10) (and .cse1 .cse7) (and .cse1 .cse2 .cse11 .cse12) (and .cse7 .cse13 .cse14 .cse12) (and .cse5 (<= 150 ~a18~0) .cse13 .cse10) (and .cse4 .cse11 (= ~a12~0 6)) (and .cse0 .cse7 .cse11 .cse13 .cse15) (and .cse6 .cse4 .cse7) (and .cse14 .cse16 .cse10) (and .cse4 .cse7 .cse12) (and .cse0 .cse7 .cse11 .cse9) (and .cse4 .cse7 .cse5) (and (<= ~a12~0 5) .cse11 .cse17) (and .cse4 .cse16 .cse10) (and .cse7 .cse5 .cse14 .cse9) (and .cse11 .cse13 .cse8 .cse17) (and .cse0 .cse4 .cse11 (<= (+ ~a18~0 80) 0)) (and .cse1 (not (= 3 ULTIMATE.start_calculate_output_~input)) .cse2 .cse11 (<= (+ ~a18~0 388559) 0) .cse8) (and .cse7 .cse11 .cse5 .cse13 .cse15) (and .cse4 .cse11 .cse12) (and .cse1 .cse2 .cse11 .cse5)))) [2021-08-25 22:37:26,135 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,135 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,135 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,135 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,135 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,136 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,136 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,136 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,136 INFO L857 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,136 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,136 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-08-25 22:37:26,136 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-08-25 22:37:26,136 INFO L857 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,137 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-08-25 22:37:26,137 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,137 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,137 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,137 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,137 INFO L857 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,137 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,137 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,137 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,138 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,138 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,138 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,138 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,138 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,138 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,138 INFO L857 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,139 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,139 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,139 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-08-25 22:37:26,139 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,139 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-08-25 22:37:26,139 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-08-25 22:37:26,139 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,139 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,139 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,140 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,140 INFO L857 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,140 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,140 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,140 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,140 INFO L857 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,140 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,140 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,141 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-08-25 22:37:26,141 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-08-25 22:37:26,141 INFO L857 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,141 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-08-25 22:37:26,141 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,141 INFO L853 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse18 (+ 87 ~a18~0))) (let ((.cse6 (<= 0 (+ ~a18~0 155))) (.cse8 (<= 0 .cse18)) (.cse16 (= 5 ~a12~0)) (.cse11 (= ~a15~0 3)) (.cse14 (<= 0 (+ 154 ~a18~0))) (.cse10 (<= 11 ~a16~0)) (.cse17 (<= ~a16~0 11)) (.cse3 (= ~a12~0 9)) (.cse2 (<= ~a12~0 6)) (.cse9 (<= ~a15~0 3)) (.cse13 (<= 10 ~a16~0)) (.cse15 (<= .cse18 0)) (.cse0 (= ~a16~0 9)) (.cse12 (= 7 ~a12~0)) (.cse4 (= ~a16~0 8)) (.cse5 (= ~a15~0 4)) (.cse1 (<= 0 (+ 600001 ~a18~0))) (.cse7 (= ~a12~0 8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse6) (and .cse8 .cse9 .cse2 (<= 6 ~a12~0) .cse10) (and .cse8 .cse4 .cse5 .cse2) (and (= ~a16~0 10) .cse7 (<= (+ ~a18~0 419869) 0) .cse11) (and .cse4 .cse9) (and .cse4 .cse5 .cse1 .cse12) (and .cse9 .cse13 .cse14 .cse12) (and .cse3 .cse9 .cse1 .cse13 .cse15) (and .cse8 .cse0 .cse9) (and .cse14 .cse16 .cse11) (and .cse0 .cse9 .cse12) (and .cse3 .cse9 .cse1 .cse10) (and .cse0 .cse9 .cse7) (and (<= ~a12~0 5) .cse1 .cse17) (and .cse0 .cse16 .cse11) (and .cse9 .cse7 .cse14 .cse10) (and .cse1 .cse13 .cse2 .cse17) (and .cse3 .cse0 .cse1 (<= (+ ~a18~0 80) 0)) (and .cse4 (not (= 3 ULTIMATE.start_calculate_output_~input)) .cse5 .cse1 (<= (+ ~a18~0 388559) 0) .cse2) (and .cse9 .cse1 .cse7 .cse13 .cse15) (and .cse0 .cse1 .cse12) (and .cse4 .cse5 .cse1 .cse7)))) [2021-08-25 22:37:26,141 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,142 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,142 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,142 INFO L857 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,142 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,142 INFO L857 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,142 INFO L857 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,142 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,142 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 22:37:26,143 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,143 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,143 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,143 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,143 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,143 INFO L857 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,143 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-08-25 22:37:26,143 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,144 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-08-25 22:37:26,144 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-08-25 22:37:26,144 INFO L857 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,144 INFO L860 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-08-25 22:37:26,144 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,144 INFO L857 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,144 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,144 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,145 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,145 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,145 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,145 INFO L857 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,145 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,145 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,145 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,145 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-08-25 22:37:26,145 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,146 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-08-25 22:37:26,146 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,146 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-08-25 22:37:26,146 INFO L857 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,146 INFO L857 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,146 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,146 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,147 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,147 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,147 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,147 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,147 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,147 INFO L857 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,147 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,147 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,148 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,148 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,148 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,148 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,148 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-08-25 22:37:26,148 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-08-25 22:37:26,148 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-08-25 22:37:26,148 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 22:37:26,149 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 128) no Hoare annotation was computed. [2021-08-25 22:37:26,149 INFO L853 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse18 (+ 87 ~a18~0))) (let ((.cse3 (<= 0 (+ ~a18~0 155))) (.cse6 (<= 0 .cse18)) (.cse16 (= 5 ~a12~0)) (.cse10 (= ~a15~0 3)) (.cse14 (<= 0 (+ 154 ~a18~0))) (.cse9 (<= 11 ~a16~0)) (.cse17 (<= ~a16~0 11)) (.cse0 (= ~a12~0 9)) (.cse8 (<= ~a12~0 6)) (.cse7 (<= ~a15~0 3)) (.cse13 (<= 10 ~a16~0)) (.cse15 (<= .cse18 0)) (.cse4 (= ~a16~0 9)) (.cse12 (= 7 ~a12~0)) (.cse1 (= ~a16~0 8)) (.cse2 (= ~a15~0 4)) (.cse11 (<= 0 (+ 600001 ~a18~0))) (.cse5 (= ~a12~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (and .cse6 .cse7 .cse8 (<= 6 ~a12~0) .cse9) (and .cse6 .cse1 .cse2 .cse8) (and (= ~a16~0 10) .cse5 (<= (+ ~a18~0 419869) 0) .cse10) (and .cse1 .cse7) (and .cse1 .cse2 .cse11 .cse12) (and .cse7 .cse13 .cse14 .cse12) (and .cse5 (<= 150 ~a18~0) .cse13 .cse10) (and .cse4 .cse11 (= ~a12~0 6)) (and .cse0 .cse7 .cse11 .cse13 .cse15) (and .cse6 .cse4 .cse7) (and .cse14 .cse16 .cse10) (and .cse4 .cse7 .cse12) (and .cse0 .cse7 .cse11 .cse9) (and .cse4 .cse7 .cse5) (and (<= ~a12~0 5) .cse11 .cse17) (and .cse4 .cse16 .cse10) (and .cse7 .cse5 .cse14 .cse9) (and .cse11 .cse13 .cse8 .cse17) (and .cse0 .cse4 .cse11 (<= (+ ~a18~0 80) 0)) (and .cse1 (not (= 3 ULTIMATE.start_calculate_output_~input)) .cse2 .cse11 (<= (+ ~a18~0 388559) 0) .cse8) (and .cse7 .cse11 .cse5 .cse13 .cse15) (and .cse4 .cse11 .cse12) (and .cse1 .cse2 .cse11 .cse5)))) [2021-08-25 22:37:26,149 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,149 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,149 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,149 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,149 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,150 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,150 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,150 INFO L857 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,150 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,150 INFO L857 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,150 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,150 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,150 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,151 INFO L857 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,151 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-08-25 22:37:26,151 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,151 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-08-25 22:37:26,151 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-08-25 22:37:26,151 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,151 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,151 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,152 INFO L857 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,152 INFO L857 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,152 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,152 INFO L857 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,152 INFO L857 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,152 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,152 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,152 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,153 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,153 INFO L857 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-08-25 22:37:26,153 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,153 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,153 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,153 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,153 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,153 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-08-25 22:37:26,153 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-08-25 22:37:26,154 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-08-25 22:37:26,154 INFO L857 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,154 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,154 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,154 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,154 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,154 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,154 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,155 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,155 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,155 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,155 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,155 INFO L857 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,155 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,155 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-08-25 22:37:26,155 INFO L857 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,156 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-08-25 22:37:26,156 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-08-25 22:37:26,156 INFO L857 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,156 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,156 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,156 INFO L857 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,156 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,156 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,157 INFO L857 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,157 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,157 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,157 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,157 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,157 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,157 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,157 INFO L857 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,158 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-08-25 22:37:26,158 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-08-25 22:37:26,158 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-08-25 22:37:26,158 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,158 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,158 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,158 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,158 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,159 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,159 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,159 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,159 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,159 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,159 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,159 INFO L857 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,159 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,160 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,160 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-08-25 22:37:26,160 INFO L857 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,160 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-08-25 22:37:26,160 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-08-25 22:37:26,160 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,160 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,160 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,160 INFO L857 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,161 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,161 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,161 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,161 INFO L857 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,161 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,161 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,161 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,161 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,162 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,162 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,162 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-08-25 22:37:26,162 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-08-25 22:37:26,162 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-08-25 22:37:26,162 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,162 INFO L857 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,162 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,162 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,163 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,163 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,163 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,163 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,163 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,163 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,163 INFO L857 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,163 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,164 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,164 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,164 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 22:37:26,164 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,164 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-08-25 22:37:26,164 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-08-25 22:37:26,164 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,164 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,164 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,165 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,165 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,165 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,165 INFO L857 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,165 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,165 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,165 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,165 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,166 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,166 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-08-25 22:37:26,166 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-08-25 22:37:26,166 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,166 INFO L857 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,166 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,166 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,166 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,166 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,167 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,167 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,167 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,167 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,167 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,167 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,167 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,167 INFO L857 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,168 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,168 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,168 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-08-25 22:37:26,168 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-08-25 22:37:26,168 INFO L857 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,168 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,168 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,168 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,168 INFO L857 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,169 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,169 INFO L857 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,169 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,169 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,169 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 22:37:26,169 INFO L857 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,169 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,169 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-08-25 22:37:26,170 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-08-25 22:37:26,170 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,170 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,170 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,170 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,170 INFO L857 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,170 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,170 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,170 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,171 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,171 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,171 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,171 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,171 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,171 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,171 INFO L857 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,171 INFO L857 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,171 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,172 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-08-25 22:37:26,172 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-08-25 22:37:26,172 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,172 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,172 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,172 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,172 INFO L857 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,172 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,173 INFO L857 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-08-25 22:37:26,173 INFO L857 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,173 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,173 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,173 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-08-25 22:37:26,173 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:37:26,173 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,173 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,173 INFO L857 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-08-25 22:37:26,174 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-08-25 22:37:26,174 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-08-25 22:37:26,174 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-08-25 22:37:26,178 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 22:37:26,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 10:37:26 BoogieIcfgContainer [2021-08-25 22:37:26,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 22:37:26,201 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 22:37:26,201 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 22:37:26,201 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 22:37:26,202 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:35:47" (3/4) ... [2021-08-25 22:37:26,204 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 22:37:26,233 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-25 22:37:26,235 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 22:37:26,237 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:37:26,239 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:37:26,375 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 22:37:26,375 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 22:37:26,377 INFO L168 Benchmark]: Toolchain (without parser) took 101755.54 ms. Allocated memory was 60.8 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 36.0 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2021-08-25 22:37:26,377 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 60.8 MB. Free memory was 42.3 MB in the beginning and 42.3 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 22:37:26,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 835.18 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 35.9 MB in the beginning and 30.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2021-08-25 22:37:26,378 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.06 ms. Allocated memory is still 75.5 MB. Free memory was 30.7 MB in the beginning and 36.3 MB in the end (delta: -5.7 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2021-08-25 22:37:26,378 INFO L168 Benchmark]: Boogie Preprocessor took 168.66 ms. Allocated memory is still 75.5 MB. Free memory was 36.3 MB in the beginning and 28.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2021-08-25 22:37:26,378 INFO L168 Benchmark]: RCFGBuilder took 1889.73 ms. Allocated memory was 75.5 MB in the beginning and 151.0 MB in the end (delta: 75.5 MB). Free memory was 28.4 MB in the beginning and 98.9 MB in the end (delta: -70.4 MB). Peak memory consumption was 64.7 MB. Max. memory is 16.1 GB. [2021-08-25 22:37:26,379 INFO L168 Benchmark]: TraceAbstraction took 98507.04 ms. Allocated memory was 151.0 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 97.8 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. [2021-08-25 22:37:26,379 INFO L168 Benchmark]: Witness Printer took 174.57 ms. Allocated memory is still 3.1 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 38.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-08-25 22:37:26,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 60.8 MB. Free memory was 42.3 MB in the beginning and 42.3 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 835.18 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 35.9 MB in the beginning and 30.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 158.06 ms. Allocated memory is still 75.5 MB. Free memory was 30.7 MB in the beginning and 36.3 MB in the end (delta: -5.7 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 168.66 ms. Allocated memory is still 75.5 MB. Free memory was 36.3 MB in the beginning and 28.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1889.73 ms. Allocated memory was 75.5 MB in the beginning and 151.0 MB in the end (delta: 75.5 MB). Free memory was 28.4 MB in the beginning and 98.9 MB in the end (delta: -70.4 MB). Peak memory consumption was 64.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 98507.04 ms. Allocated memory was 151.0 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 97.8 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. * Witness Printer took 174.57 ms. Allocated memory is still 3.1 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 38.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 128]: 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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 98437.0ms, OverallIterations: 26, TraceHistogramMax: 14, EmptinessCheckTime: 672.8ms, AutomataDifference: 36786.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 3777.8ms, InitialAbstractionConstructionTime: 13.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 6168 SDtfs, 6452 SDslu, 518 SDs, 0 SdLazy, 35636 SolverSat, 3413 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26192.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11754 GetRequests, 11673 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 661.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=16783occurred in iteration=13, InterpolantAutomatonStates: 109, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 3064.3ms AutomataMinimizationTime, 26 MinimizatonAttempts, 11335 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 266 NumberOfFragments, 1059 HoareAnnotationTreeSize, 4 FomulaSimplifications, 26977 FormulaSimplificationTreeSizeReduction, 778.9ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 8976 FormulaSimplificationTreeSizeReductionInter, 2988.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 955.9ms SsaConstructionTime, 3483.7ms SatisfiabilityAnalysisTime, 38941.1ms InterpolantComputationTime, 42772 NumberOfCodeBlocks, 42772 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 42740 ConstructedInterpolants, 0 QuantifiedInterpolants, 99154 SizeOfPredicates, 0 NumberOfNonLiveVariables, 13440 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 32 InterpolantComputations, 25 PerfectInterpolantSequences, 140018/145778 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: 1504]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((a16 == 9 && 0 <= 600001 + a18) && a12 <= 6) || (((a12 == 9 && a16 == 8) && a15 == 4) && 0 <= a18 + 155)) || ((a16 == 9 && a12 == 8) && 0 <= a18 + 155)) || ((((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 6 <= a12) && 11 <= a16)) || (((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a12 <= 6)) || (((a16 == 10 && a12 == 8) && a18 + 419869 <= 0) && a15 == 3)) || (a16 == 8 && a15 <= 3)) || (((a16 == 8 && a15 == 4) && 0 <= 600001 + a18) && 7 == a12)) || (((a15 <= 3 && 10 <= a16) && 0 <= 154 + a18) && 7 == a12)) || ((((a12 == 9 && a15 <= 3) && 0 <= 600001 + a18) && 10 <= a16) && 87 + a18 <= 0)) || ((0 <= 87 + a18 && a16 == 9) && a15 <= 3)) || ((0 <= 154 + a18 && 5 == a12) && a15 == 3)) || ((a16 == 9 && a15 <= 3) && 7 == a12)) || (((a12 == 9 && a15 <= 3) && 0 <= 600001 + a18) && 11 <= a16)) || ((a16 == 9 && a15 <= 3) && a12 == 8)) || ((a12 <= 5 && 0 <= 600001 + a18) && a16 <= 11)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || (((a15 <= 3 && a12 == 8) && 0 <= 154 + a18) && 11 <= a16)) || (((0 <= 600001 + a18 && 10 <= a16) && a12 <= 6) && a16 <= 11)) || (((a12 == 9 && a16 == 9) && 0 <= 600001 + a18) && a18 + 80 <= 0)) || (((((a16 == 8 && !(3 == input)) && a15 == 4) && 0 <= 600001 + a18) && a18 + 388559 <= 0) && a12 <= 6)) || ((((a15 <= 3 && 0 <= 600001 + a18) && a12 == 8) && 10 <= a16) && 87 + a18 <= 0)) || ((a16 == 9 && 0 <= 600001 + a18) && 7 == a12)) || (((a16 == 8 && a15 == 4) && 0 <= 600001 + a18) && a12 == 8) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((a12 == 9 && a16 == 8) && a15 == 4) && 0 <= a18 + 155) || ((a16 == 9 && a12 == 8) && 0 <= a18 + 155)) || ((((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 6 <= a12) && 11 <= a16)) || (((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a12 <= 6)) || (((a16 == 10 && a12 == 8) && a18 + 419869 <= 0) && a15 == 3)) || (a16 == 8 && a15 <= 3)) || (((a16 == 8 && a15 == 4) && 0 <= 600001 + a18) && 7 == a12)) || (((a15 <= 3 && 10 <= a16) && 0 <= 154 + a18) && 7 == a12)) || (((a12 == 8 && 150 <= a18) && 10 <= a16) && a15 == 3)) || ((a16 == 9 && 0 <= 600001 + a18) && a12 == 6)) || ((((a12 == 9 && a15 <= 3) && 0 <= 600001 + a18) && 10 <= a16) && 87 + a18 <= 0)) || ((0 <= 87 + a18 && a16 == 9) && a15 <= 3)) || ((0 <= 154 + a18 && 5 == a12) && a15 == 3)) || ((a16 == 9 && a15 <= 3) && 7 == a12)) || (((a12 == 9 && a15 <= 3) && 0 <= 600001 + a18) && 11 <= a16)) || ((a16 == 9 && a15 <= 3) && a12 == 8)) || ((a12 <= 5 && 0 <= 600001 + a18) && a16 <= 11)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || (((a15 <= 3 && a12 == 8) && 0 <= 154 + a18) && 11 <= a16)) || (((0 <= 600001 + a18 && 10 <= a16) && a12 <= 6) && a16 <= 11)) || (((a12 == 9 && a16 == 9) && 0 <= 600001 + a18) && a18 + 80 <= 0)) || (((((a16 == 8 && !(3 == input)) && a15 == 4) && 0 <= 600001 + a18) && a18 + 388559 <= 0) && a12 <= 6)) || ((((a15 <= 3 && 0 <= 600001 + a18) && a12 == 8) && 10 <= a16) && 87 + a18 <= 0)) || ((a16 == 9 && 0 <= 600001 + a18) && 7 == a12)) || (((a16 == 8 && a15 == 4) && 0 <= 600001 + a18) && a12 == 8) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((a12 == 9 && a16 == 8) && a15 == 4) && 0 <= a18 + 155) || ((a16 == 9 && a12 == 8) && 0 <= a18 + 155)) || ((((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 6 <= a12) && 11 <= a16)) || (((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a12 <= 6)) || (((a16 == 10 && a12 == 8) && a18 + 419869 <= 0) && a15 == 3)) || (a16 == 8 && a15 <= 3)) || (((a16 == 8 && a15 == 4) && 0 <= 600001 + a18) && 7 == a12)) || (((a15 <= 3 && 10 <= a16) && 0 <= 154 + a18) && 7 == a12)) || (((a12 == 8 && 150 <= a18) && 10 <= a16) && a15 == 3)) || ((a16 == 9 && 0 <= 600001 + a18) && a12 == 6)) || ((((a12 == 9 && a15 <= 3) && 0 <= 600001 + a18) && 10 <= a16) && 87 + a18 <= 0)) || ((0 <= 87 + a18 && a16 == 9) && a15 <= 3)) || ((0 <= 154 + a18 && 5 == a12) && a15 == 3)) || ((a16 == 9 && a15 <= 3) && 7 == a12)) || (((a12 == 9 && a15 <= 3) && 0 <= 600001 + a18) && 11 <= a16)) || ((a16 == 9 && a15 <= 3) && a12 == 8)) || ((a12 <= 5 && 0 <= 600001 + a18) && a16 <= 11)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || (((a15 <= 3 && a12 == 8) && 0 <= 154 + a18) && 11 <= a16)) || (((0 <= 600001 + a18 && 10 <= a16) && a12 <= 6) && a16 <= 11)) || (((a12 == 9 && a16 == 9) && 0 <= 600001 + a18) && a18 + 80 <= 0)) || (((((a16 == 8 && !(3 == input)) && a15 == 4) && 0 <= 600001 + a18) && a18 + 388559 <= 0) && a12 <= 6)) || ((((a15 <= 3 && 0 <= 600001 + a18) && a12 == 8) && 10 <= a16) && 87 + a18 <= 0)) || ((a16 == 9 && 0 <= 600001 + a18) && 7 == a12)) || (((a16 == 8 && a15 == 4) && 0 <= 600001 + a18) && a12 == 8) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-08-25 22:37:26,417 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...