./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label04.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 1108eeb4bd20019b014e3c74d7da568cbd9d144764ba0dc8eabd0c3ee1f98907 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 10:57:58,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 10:57:58,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 10:57:58,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 10:57:58,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 10:57:58,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 10:57:58,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 10:57:58,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 10:57:58,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 10:57:58,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 10:57:58,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 10:57:58,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 10:57:58,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 10:57:58,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 10:57:58,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 10:57:58,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 10:57:58,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 10:57:58,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 10:57:58,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 10:57:58,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 10:57:58,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 10:57:58,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 10:57:58,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 10:57:58,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 10:57:58,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 10:57:58,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 10:57:58,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 10:57:58,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 10:57:58,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 10:57:58,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 10:57:58,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 10:57:58,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 10:57:58,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 10:57:58,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 10:57:58,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 10:57:58,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 10:57:58,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 10:57:58,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 10:57:58,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 10:57:58,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 10:57:58,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 10:57:58,369 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 10:57:58,383 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 10:57:58,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 10:57:58,385 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 10:57:58,385 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 10:57:58,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 10:57:58,386 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 10:57:58,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 10:57:58,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 10:57:58,386 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 10:57:58,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 10:57:58,387 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 10:57:58,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 10:57:58,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 10:57:58,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 10:57:58,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 10:57:58,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 10:57:58,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 10:57:58,388 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 10:57:58,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 10:57:58,389 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 10:57:58,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 10:57:58,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 10:57:58,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 10:57:58,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 10:57:58,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:57:58,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 10:57:58,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 10:57:58,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 10:57:58,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 10:57:58,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 10:57:58,390 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 10:57:58,390 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 10:57:58,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 10:57:58,391 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 10:57:58,391 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1108eeb4bd20019b014e3c74d7da568cbd9d144764ba0dc8eabd0c3ee1f98907 [2021-12-21 10:57:58,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 10:57:58,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 10:57:58,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 10:57:58,615 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 10:57:58,616 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 10:57:58,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2021-12-21 10:57:58,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3ecbf88d/178334cdaaf44d5ea877d1a2ab137e44/FLAGd73f94612 [2021-12-21 10:57:59,110 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 10:57:59,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2021-12-21 10:57:59,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3ecbf88d/178334cdaaf44d5ea877d1a2ab137e44/FLAGd73f94612 [2021-12-21 10:57:59,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3ecbf88d/178334cdaaf44d5ea877d1a2ab137e44 [2021-12-21 10:57:59,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 10:57:59,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 10:57:59,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 10:57:59,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 10:57:59,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 10:57:59,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:57:59" (1/1) ... [2021-12-21 10:57:59,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c1fdbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:57:59, skipping insertion in model container [2021-12-21 10:57:59,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:57:59" (1/1) ... [2021-12-21 10:57:59,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 10:57:59,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 10:57:59,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label04.c[7746,7759] [2021-12-21 10:57:59,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:57:59,861 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 10:57:59,878 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label04.c[7746,7759] [2021-12-21 10:57:59,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:57:59,965 INFO L208 MainTranslator]: Completed translation [2021-12-21 10:57:59,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:57:59 WrapperNode [2021-12-21 10:57:59,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 10:57:59,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 10:57:59,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 10:57:59,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 10:57:59,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:57:59" (1/1) ... [2021-12-21 10:58:00,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:57:59" (1/1) ... [2021-12-21 10:58:00,090 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-12-21 10:58:00,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 10:58:00,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 10:58:00,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 10:58:00,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 10:58:00,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:57:59" (1/1) ... [2021-12-21 10:58:00,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:57:59" (1/1) ... [2021-12-21 10:58:00,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:57:59" (1/1) ... [2021-12-21 10:58:00,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:57:59" (1/1) ... [2021-12-21 10:58:00,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:57:59" (1/1) ... [2021-12-21 10:58:00,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:57:59" (1/1) ... [2021-12-21 10:58:00,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:57:59" (1/1) ... [2021-12-21 10:58:00,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 10:58:00,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 10:58:00,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 10:58:00,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 10:58:00,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:57:59" (1/1) ... [2021-12-21 10:58:00,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:58:00,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 10:58:00,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 10:58:00,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 10:58:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 10:58:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 10:58:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 10:58:00,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 10:58:00,296 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 10:58:00,297 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 10:58:01,321 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 10:58:01,333 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 10:58:01,333 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 10:58:01,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:58:01 BoogieIcfgContainer [2021-12-21 10:58:01,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 10:58:01,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 10:58:01,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 10:58:01,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 10:58:01,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 10:57:59" (1/3) ... [2021-12-21 10:58:01,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621221a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:58:01, skipping insertion in model container [2021-12-21 10:58:01,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:57:59" (2/3) ... [2021-12-21 10:58:01,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621221a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:58:01, skipping insertion in model container [2021-12-21 10:58:01,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:58:01" (3/3) ... [2021-12-21 10:58:01,344 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label04.c [2021-12-21 10:58:01,348 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 10:58:01,348 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 10:58:01,395 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 10:58:01,401 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 10:58:01,401 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 10:58:01,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:01,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-21 10:58:01,427 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:01,428 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:01,428 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:01,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:01,432 INFO L85 PathProgramCache]: Analyzing trace with hash -92557335, now seen corresponding path program 1 times [2021-12-21 10:58:01,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:01,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683506719] [2021-12-21 10:58:01,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:01,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:01,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:58:01,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:01,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683506719] [2021-12-21 10:58:01,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683506719] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:01,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:01,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:58:01,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589386442] [2021-12-21 10:58:01,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:01,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:01,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:01,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:01,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:01,698 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:02,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:02,529 INFO L93 Difference]: Finished difference Result 763 states and 1352 transitions. [2021-12-21 10:58:02,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:02,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2021-12-21 10:58:02,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:02,542 INFO L225 Difference]: With dead ends: 763 [2021-12-21 10:58:02,543 INFO L226 Difference]: Without dead ends: 416 [2021-12-21 10:58:02,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:02,552 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 220 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:02,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 89 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-21 10:58:02,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-12-21 10:58:02,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 408. [2021-12-21 10:58:02,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 407 states have (on average 1.6142506142506143) internal successors, (657), 407 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:02,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 657 transitions. [2021-12-21 10:58:02,602 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 657 transitions. Word has length 53 [2021-12-21 10:58:02,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:02,602 INFO L470 AbstractCegarLoop]: Abstraction has 408 states and 657 transitions. [2021-12-21 10:58:02,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:02,603 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 657 transitions. [2021-12-21 10:58:02,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-12-21 10:58:02,606 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:02,608 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:02,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 10:58:02,609 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:02,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:02,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1781773818, now seen corresponding path program 1 times [2021-12-21 10:58:02,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:02,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433197500] [2021-12-21 10:58:02,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:02,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:02,690 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:58:02,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:02,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433197500] [2021-12-21 10:58:02,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433197500] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:02,691 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:02,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:58:02,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950396248] [2021-12-21 10:58:02,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:02,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:02,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:02,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:02,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:02,694 INFO L87 Difference]: Start difference. First operand 408 states and 657 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:03,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:03,249 INFO L93 Difference]: Finished difference Result 1191 states and 1930 transitions. [2021-12-21 10:58:03,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:03,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2021-12-21 10:58:03,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:03,253 INFO L225 Difference]: With dead ends: 1191 [2021-12-21 10:58:03,253 INFO L226 Difference]: Without dead ends: 785 [2021-12-21 10:58:03,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:03,255 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 141 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:03,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 152 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:58:03,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2021-12-21 10:58:03,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 783. [2021-12-21 10:58:03,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 783 states, 782 states have (on average 1.438618925831202) internal successors, (1125), 782 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:03,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1125 transitions. [2021-12-21 10:58:03,296 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1125 transitions. Word has length 118 [2021-12-21 10:58:03,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:03,298 INFO L470 AbstractCegarLoop]: Abstraction has 783 states and 1125 transitions. [2021-12-21 10:58:03,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:03,299 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1125 transitions. [2021-12-21 10:58:03,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-21 10:58:03,305 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:03,306 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:03,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 10:58:03,307 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:03,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:03,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1565859760, now seen corresponding path program 1 times [2021-12-21 10:58:03,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:03,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513607270] [2021-12-21 10:58:03,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:03,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:03,420 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:58:03,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:03,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513607270] [2021-12-21 10:58:03,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513607270] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:03,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:03,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:58:03,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835156476] [2021-12-21 10:58:03,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:03,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:03,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:03,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:03,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:03,424 INFO L87 Difference]: Start difference. First operand 783 states and 1125 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:04,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:04,034 INFO L93 Difference]: Finished difference Result 1948 states and 2801 transitions. [2021-12-21 10:58:04,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:04,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2021-12-21 10:58:04,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:04,039 INFO L225 Difference]: With dead ends: 1948 [2021-12-21 10:58:04,039 INFO L226 Difference]: Without dead ends: 1167 [2021-12-21 10:58:04,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:04,043 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 144 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:04,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 116 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 10:58:04,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2021-12-21 10:58:04,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1154. [2021-12-21 10:58:04,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1153 states have (on average 1.3391153512575888) internal successors, (1544), 1153 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:04,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1544 transitions. [2021-12-21 10:58:04,062 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1544 transitions. Word has length 121 [2021-12-21 10:58:04,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:04,062 INFO L470 AbstractCegarLoop]: Abstraction has 1154 states and 1544 transitions. [2021-12-21 10:58:04,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:04,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1544 transitions. [2021-12-21 10:58:04,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-21 10:58:04,080 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:04,080 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:04,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 10:58:04,081 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:04,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:04,081 INFO L85 PathProgramCache]: Analyzing trace with hash 234761808, now seen corresponding path program 1 times [2021-12-21 10:58:04,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:04,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087816626] [2021-12-21 10:58:04,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:04,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:04,162 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:58:04,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:04,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087816626] [2021-12-21 10:58:04,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087816626] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:04,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:04,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:58:04,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315103363] [2021-12-21 10:58:04,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:04,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:04,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:04,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:04,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:04,165 INFO L87 Difference]: Start difference. First operand 1154 states and 1544 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:04,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:04,681 INFO L93 Difference]: Finished difference Result 2676 states and 3529 transitions. [2021-12-21 10:58:04,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:04,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2021-12-21 10:58:04,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:04,686 INFO L225 Difference]: With dead ends: 2676 [2021-12-21 10:58:04,686 INFO L226 Difference]: Without dead ends: 1524 [2021-12-21 10:58:04,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:04,688 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:04,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 189 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:58:04,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2021-12-21 10:58:04,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1523. [2021-12-21 10:58:04,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1522 states have (on average 1.268725361366623) internal successors, (1931), 1522 states have internal predecessors, (1931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:04,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1931 transitions. [2021-12-21 10:58:04,709 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1931 transitions. Word has length 122 [2021-12-21 10:58:04,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:04,709 INFO L470 AbstractCegarLoop]: Abstraction has 1523 states and 1931 transitions. [2021-12-21 10:58:04,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:04,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1931 transitions. [2021-12-21 10:58:04,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-21 10:58:04,710 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:04,711 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 10:58:04,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 10:58:04,711 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:04,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:04,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1699725549, now seen corresponding path program 1 times [2021-12-21 10:58:04,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:04,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302318303] [2021-12-21 10:58:04,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:04,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:04,808 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:58:04,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:04,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302318303] [2021-12-21 10:58:04,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302318303] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:04,809 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:04,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:58:04,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452566761] [2021-12-21 10:58:04,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:04,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:04,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:04,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:04,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:04,811 INFO L87 Difference]: Start difference. First operand 1523 states and 1931 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:05,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:05,387 INFO L93 Difference]: Finished difference Result 3968 states and 5151 transitions. [2021-12-21 10:58:05,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:05,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2021-12-21 10:58:05,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:05,394 INFO L225 Difference]: With dead ends: 3968 [2021-12-21 10:58:05,395 INFO L226 Difference]: Without dead ends: 2631 [2021-12-21 10:58:05,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:05,397 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 115 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:05,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 154 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:58:05,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2631 states. [2021-12-21 10:58:05,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2631 to 2447. [2021-12-21 10:58:05,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2447 states, 2446 states have (on average 1.2236304170073589) internal successors, (2993), 2446 states have internal predecessors, (2993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:05,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2447 states to 2447 states and 2993 transitions. [2021-12-21 10:58:05,427 INFO L78 Accepts]: Start accepts. Automaton has 2447 states and 2993 transitions. Word has length 180 [2021-12-21 10:58:05,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:05,428 INFO L470 AbstractCegarLoop]: Abstraction has 2447 states and 2993 transitions. [2021-12-21 10:58:05,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:05,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2447 states and 2993 transitions. [2021-12-21 10:58:05,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-12-21 10:58:05,430 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:05,430 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 10:58:05,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 10:58:05,430 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:05,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:05,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1613150643, now seen corresponding path program 1 times [2021-12-21 10:58:05,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:05,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891364815] [2021-12-21 10:58:05,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:05,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:05,529 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-12-21 10:58:05,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:05,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891364815] [2021-12-21 10:58:05,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891364815] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:05,529 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:05,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:58:05,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140134412] [2021-12-21 10:58:05,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:05,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:05,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:05,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:05,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:05,531 INFO L87 Difference]: Start difference. First operand 2447 states and 2993 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:06,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:06,041 INFO L93 Difference]: Finished difference Result 5266 states and 6463 transitions. [2021-12-21 10:58:06,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:06,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 196 [2021-12-21 10:58:06,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:06,049 INFO L225 Difference]: With dead ends: 5266 [2021-12-21 10:58:06,049 INFO L226 Difference]: Without dead ends: 3005 [2021-12-21 10:58:06,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:06,053 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 75 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:06,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 153 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:58:06,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3005 states. [2021-12-21 10:58:06,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3005 to 2820. [2021-12-21 10:58:06,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2820 states, 2819 states have (on average 1.2220645619013835) internal successors, (3445), 2819 states have internal predecessors, (3445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:06,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 2820 states and 3445 transitions. [2021-12-21 10:58:06,087 INFO L78 Accepts]: Start accepts. Automaton has 2820 states and 3445 transitions. Word has length 196 [2021-12-21 10:58:06,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:06,088 INFO L470 AbstractCegarLoop]: Abstraction has 2820 states and 3445 transitions. [2021-12-21 10:58:06,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:06,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2820 states and 3445 transitions. [2021-12-21 10:58:06,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-12-21 10:58:06,090 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:06,090 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-21 10:58:06,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 10:58:06,091 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:06,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:06,091 INFO L85 PathProgramCache]: Analyzing trace with hash -58400973, now seen corresponding path program 1 times [2021-12-21 10:58:06,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:06,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108720993] [2021-12-21 10:58:06,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:06,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:06,174 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:58:06,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:06,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108720993] [2021-12-21 10:58:06,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108720993] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:06,175 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:06,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:58:06,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722212298] [2021-12-21 10:58:06,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:06,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:06,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:06,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:06,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:06,176 INFO L87 Difference]: Start difference. First operand 2820 states and 3445 transitions. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:06,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:06,735 INFO L93 Difference]: Finished difference Result 6567 states and 8101 transitions. [2021-12-21 10:58:06,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:06,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 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 233 [2021-12-21 10:58:06,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:06,747 INFO L225 Difference]: With dead ends: 6567 [2021-12-21 10:58:06,747 INFO L226 Difference]: Without dead ends: 3933 [2021-12-21 10:58:06,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:06,753 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 135 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:06,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 332 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:58:06,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3933 states. [2021-12-21 10:58:06,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3933 to 3556. [2021-12-21 10:58:06,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3556 states, 3555 states have (on average 1.2115330520393812) internal successors, (4307), 3555 states have internal predecessors, (4307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:06,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3556 states to 3556 states and 4307 transitions. [2021-12-21 10:58:06,806 INFO L78 Accepts]: Start accepts. Automaton has 3556 states and 4307 transitions. Word has length 233 [2021-12-21 10:58:06,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:06,806 INFO L470 AbstractCegarLoop]: Abstraction has 3556 states and 4307 transitions. [2021-12-21 10:58:06,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:06,807 INFO L276 IsEmpty]: Start isEmpty. Operand 3556 states and 4307 transitions. [2021-12-21 10:58:06,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-12-21 10:58:06,809 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:06,809 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:06,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 10:58:06,809 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:06,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:06,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1422286637, now seen corresponding path program 1 times [2021-12-21 10:58:06,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:06,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279715606] [2021-12-21 10:58:06,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:06,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:06,911 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-12-21 10:58:06,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:06,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279715606] [2021-12-21 10:58:06,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279715606] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:06,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:06,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:58:06,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989521287] [2021-12-21 10:58:06,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:06,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:06,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:06,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:06,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:06,914 INFO L87 Difference]: Start difference. First operand 3556 states and 4307 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:07,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:07,528 INFO L93 Difference]: Finished difference Result 9319 states and 11375 transitions. [2021-12-21 10:58:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:07,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2021-12-21 10:58:07,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:07,543 INFO L225 Difference]: With dead ends: 9319 [2021-12-21 10:58:07,543 INFO L226 Difference]: Without dead ends: 5765 [2021-12-21 10:58:07,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:07,548 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 179 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:07,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 140 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 10:58:07,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5765 states. [2021-12-21 10:58:07,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5765 to 4844. [2021-12-21 10:58:07,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4844 states, 4843 states have (on average 1.207309518893248) internal successors, (5847), 4843 states have internal predecessors, (5847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:07,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4844 states to 4844 states and 5847 transitions. [2021-12-21 10:58:07,611 INFO L78 Accepts]: Start accepts. Automaton has 4844 states and 5847 transitions. Word has length 234 [2021-12-21 10:58:07,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:07,612 INFO L470 AbstractCegarLoop]: Abstraction has 4844 states and 5847 transitions. [2021-12-21 10:58:07,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:07,612 INFO L276 IsEmpty]: Start isEmpty. Operand 4844 states and 5847 transitions. [2021-12-21 10:58:07,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-12-21 10:58:07,617 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:07,617 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:07,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 10:58:07,617 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:07,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:07,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1578805231, now seen corresponding path program 1 times [2021-12-21 10:58:07,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:07,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417333161] [2021-12-21 10:58:07,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:07,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:07,723 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-21 10:58:07,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:07,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417333161] [2021-12-21 10:58:07,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417333161] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:07,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:07,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:58:07,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406518483] [2021-12-21 10:58:07,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:07,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:07,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:07,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:07,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:07,725 INFO L87 Difference]: Start difference. First operand 4844 states and 5847 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:08,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:08,254 INFO L93 Difference]: Finished difference Result 9684 states and 11690 transitions. [2021-12-21 10:58:08,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:08,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 314 [2021-12-21 10:58:08,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:08,269 INFO L225 Difference]: With dead ends: 9684 [2021-12-21 10:58:08,269 INFO L226 Difference]: Without dead ends: 4842 [2021-12-21 10:58:08,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:08,275 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 182 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:08,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 304 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:58:08,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4842 states. [2021-12-21 10:58:08,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4842 to 4658. [2021-12-21 10:58:08,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4658 states, 4657 states have (on average 1.1541765084818554) internal successors, (5375), 4657 states have internal predecessors, (5375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:08,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4658 states to 4658 states and 5375 transitions. [2021-12-21 10:58:08,330 INFO L78 Accepts]: Start accepts. Automaton has 4658 states and 5375 transitions. Word has length 314 [2021-12-21 10:58:08,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:08,331 INFO L470 AbstractCegarLoop]: Abstraction has 4658 states and 5375 transitions. [2021-12-21 10:58:08,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:08,331 INFO L276 IsEmpty]: Start isEmpty. Operand 4658 states and 5375 transitions. [2021-12-21 10:58:08,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-12-21 10:58:08,336 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:08,336 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:08,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-21 10:58:08,336 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:08,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:08,337 INFO L85 PathProgramCache]: Analyzing trace with hash 228686210, now seen corresponding path program 1 times [2021-12-21 10:58:08,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:08,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369683306] [2021-12-21 10:58:08,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:08,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:08,467 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-21 10:58:08,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:08,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369683306] [2021-12-21 10:58:08,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369683306] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:08,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:08,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:58:08,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420757703] [2021-12-21 10:58:08,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:08,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:08,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:08,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:08,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:08,469 INFO L87 Difference]: Start difference. First operand 4658 states and 5375 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:08,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:08,773 INFO L93 Difference]: Finished difference Result 9310 states and 10744 transitions. [2021-12-21 10:58:08,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:08,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 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 335 [2021-12-21 10:58:08,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:08,798 INFO L225 Difference]: With dead ends: 9310 [2021-12-21 10:58:08,799 INFO L226 Difference]: Without dead ends: 4654 [2021-12-21 10:58:08,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:08,804 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 189 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:08,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 40 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 10:58:08,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4654 states. [2021-12-21 10:58:08,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4654 to 4654. [2021-12-21 10:58:08,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4654 states, 4653 states have (on average 1.1532344723834085) internal successors, (5366), 4653 states have internal predecessors, (5366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:08,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4654 states to 4654 states and 5366 transitions. [2021-12-21 10:58:08,875 INFO L78 Accepts]: Start accepts. Automaton has 4654 states and 5366 transitions. Word has length 335 [2021-12-21 10:58:08,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:08,876 INFO L470 AbstractCegarLoop]: Abstraction has 4654 states and 5366 transitions. [2021-12-21 10:58:08,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:08,877 INFO L276 IsEmpty]: Start isEmpty. Operand 4654 states and 5366 transitions. [2021-12-21 10:58:08,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-12-21 10:58:08,882 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:08,882 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:08,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-21 10:58:08,883 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:08,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:08,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1912311325, now seen corresponding path program 1 times [2021-12-21 10:58:08,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:08,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060380639] [2021-12-21 10:58:08,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:08,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:08,992 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-12-21 10:58:08,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:08,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060380639] [2021-12-21 10:58:08,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060380639] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:08,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:08,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:58:08,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096150420] [2021-12-21 10:58:08,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:08,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:08,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:08,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:08,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:08,994 INFO L87 Difference]: Start difference. First operand 4654 states and 5366 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:09,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:09,596 INFO L93 Difference]: Finished difference Result 10412 states and 12095 transitions. [2021-12-21 10:58:09,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:09,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 336 [2021-12-21 10:58:09,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:09,604 INFO L225 Difference]: With dead ends: 10412 [2021-12-21 10:58:09,604 INFO L226 Difference]: Without dead ends: 5760 [2021-12-21 10:58:09,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:09,609 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 142 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:09,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 365 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 10:58:09,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5760 states. [2021-12-21 10:58:09,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5760 to 5205. [2021-12-21 10:58:09,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5205 states, 5204 states have (on average 1.1391237509607994) internal successors, (5928), 5204 states have internal predecessors, (5928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:09,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5205 states to 5205 states and 5928 transitions. [2021-12-21 10:58:09,661 INFO L78 Accepts]: Start accepts. Automaton has 5205 states and 5928 transitions. Word has length 336 [2021-12-21 10:58:09,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:09,662 INFO L470 AbstractCegarLoop]: Abstraction has 5205 states and 5928 transitions. [2021-12-21 10:58:09,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:09,662 INFO L276 IsEmpty]: Start isEmpty. Operand 5205 states and 5928 transitions. [2021-12-21 10:58:09,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2021-12-21 10:58:09,669 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:09,669 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:09,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-21 10:58:09,670 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:09,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:09,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1289979440, now seen corresponding path program 1 times [2021-12-21 10:58:09,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:09,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5261458] [2021-12-21 10:58:09,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:09,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:09,796 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-12-21 10:58:09,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:09,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5261458] [2021-12-21 10:58:09,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5261458] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:09,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:09,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:58:09,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887571476] [2021-12-21 10:58:09,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:09,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:58:09,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:09,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:58:09,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:58:09,798 INFO L87 Difference]: Start difference. First operand 5205 states and 5928 transitions. Second operand has 4 states, 4 states have (on average 85.0) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:10,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:10,749 INFO L93 Difference]: Finished difference Result 14288 states and 16265 transitions. [2021-12-21 10:58:10,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:58:10,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 85.0) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 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 390 [2021-12-21 10:58:10,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:10,770 INFO L225 Difference]: With dead ends: 14288 [2021-12-21 10:58:10,771 INFO L226 Difference]: Without dead ends: 9085 [2021-12-21 10:58:10,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:58:10,778 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 208 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1055 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:10,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 64 Invalid, 1203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1055 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-21 10:58:10,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9085 states. [2021-12-21 10:58:10,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9085 to 8897. [2021-12-21 10:58:10,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8897 states, 8896 states have (on average 1.1289343525179856) internal successors, (10043), 8896 states have internal predecessors, (10043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:10,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8897 states to 8897 states and 10043 transitions. [2021-12-21 10:58:10,907 INFO L78 Accepts]: Start accepts. Automaton has 8897 states and 10043 transitions. Word has length 390 [2021-12-21 10:58:10,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:10,907 INFO L470 AbstractCegarLoop]: Abstraction has 8897 states and 10043 transitions. [2021-12-21 10:58:10,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 85.0) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:10,908 INFO L276 IsEmpty]: Start isEmpty. Operand 8897 states and 10043 transitions. [2021-12-21 10:58:10,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2021-12-21 10:58:10,922 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:10,922 INFO L514 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, 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:10,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-21 10:58:10,923 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:10,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:10,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1246889041, now seen corresponding path program 1 times [2021-12-21 10:58:10,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:10,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791749745] [2021-12-21 10:58:10,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:10,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:11,046 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2021-12-21 10:58:11,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:11,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791749745] [2021-12-21 10:58:11,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791749745] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:11,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:11,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:58:11,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822628965] [2021-12-21 10:58:11,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:11,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:11,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:11,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:11,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:11,049 INFO L87 Difference]: Start difference. First operand 8897 states and 10043 transitions. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:11,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:11,600 INFO L93 Difference]: Finished difference Result 17419 states and 19680 transitions. [2021-12-21 10:58:11,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:11,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 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 457 [2021-12-21 10:58:11,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:11,612 INFO L225 Difference]: With dead ends: 17419 [2021-12-21 10:58:11,612 INFO L226 Difference]: Without dead ends: 8894 [2021-12-21 10:58:11,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:11,619 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 194 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:11,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 353 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:58:11,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8894 states. [2021-12-21 10:58:11,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8894 to 8710. [2021-12-21 10:58:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8710 states, 8709 states have (on average 1.112067975657366) internal successors, (9685), 8709 states have internal predecessors, (9685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:11,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8710 states to 8710 states and 9685 transitions. [2021-12-21 10:58:11,703 INFO L78 Accepts]: Start accepts. Automaton has 8710 states and 9685 transitions. Word has length 457 [2021-12-21 10:58:11,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:11,703 INFO L470 AbstractCegarLoop]: Abstraction has 8710 states and 9685 transitions. [2021-12-21 10:58:11,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:11,703 INFO L276 IsEmpty]: Start isEmpty. Operand 8710 states and 9685 transitions. [2021-12-21 10:58:11,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2021-12-21 10:58:11,715 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:11,715 INFO L514 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, 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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:11,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-21 10:58:11,716 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:11,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:11,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1286763601, now seen corresponding path program 1 times [2021-12-21 10:58:11,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:11,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178727754] [2021-12-21 10:58:11,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:11,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2021-12-21 10:58:11,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:11,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178727754] [2021-12-21 10:58:11,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178727754] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:11,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:11,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:58:11,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724870028] [2021-12-21 10:58:11,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:11,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:11,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:11,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:11,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:11,894 INFO L87 Difference]: Start difference. First operand 8710 states and 9685 transitions. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:12,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:12,453 INFO L93 Difference]: Finished difference Result 18707 states and 20955 transitions. [2021-12-21 10:58:12,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:12,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 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 525 [2021-12-21 10:58:12,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:12,468 INFO L225 Difference]: With dead ends: 18707 [2021-12-21 10:58:12,468 INFO L226 Difference]: Without dead ends: 10367 [2021-12-21 10:58:12,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:12,476 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 123 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:12,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 146 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:58:12,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10367 states. [2021-12-21 10:58:12,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10367 to 8518. [2021-12-21 10:58:12,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8518 states, 8517 states have (on average 1.1141246917928849) internal successors, (9489), 8517 states have internal predecessors, (9489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:12,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8518 states to 8518 states and 9489 transitions. [2021-12-21 10:58:12,567 INFO L78 Accepts]: Start accepts. Automaton has 8518 states and 9489 transitions. Word has length 525 [2021-12-21 10:58:12,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:12,568 INFO L470 AbstractCegarLoop]: Abstraction has 8518 states and 9489 transitions. [2021-12-21 10:58:12,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:12,568 INFO L276 IsEmpty]: Start isEmpty. Operand 8518 states and 9489 transitions. [2021-12-21 10:58:12,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2021-12-21 10:58:12,599 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:12,600 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:12,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-21 10:58:12,600 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:12,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:12,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1613412214, now seen corresponding path program 1 times [2021-12-21 10:58:12,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:12,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856617553] [2021-12-21 10:58:12,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:12,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:12,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1528 backedges. 930 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2021-12-21 10:58:12,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:12,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856617553] [2021-12-21 10:58:12,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856617553] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:12,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:12,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:58:12,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573566793] [2021-12-21 10:58:12,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:12,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:12,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:12,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:12,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:12,766 INFO L87 Difference]: Start difference. First operand 8518 states and 9489 transitions. Second operand has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:13,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:13,323 INFO L93 Difference]: Finished difference Result 17581 states and 19584 transitions. [2021-12-21 10:58:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:13,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 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 629 [2021-12-21 10:58:13,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:13,324 INFO L225 Difference]: With dead ends: 17581 [2021-12-21 10:58:13,324 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 10:58:13,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:13,333 INFO L933 BasicCegarLoop]: 306 mSDtfsCounter, 116 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:13,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 319 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:58:13,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 10:58:13,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 10:58:13,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:13,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 10:58:13,335 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 629 [2021-12-21 10:58:13,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:13,335 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 10:58:13,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:58:13,335 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 10:58:13,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 10:58:13,337 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 10:58:13,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-21 10:58:13,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 10:58:14,601 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-12-21 10:58:14,601 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,601 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-12-21 10:58:14,601 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,601 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,601 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,601 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,601 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,601 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,601 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-21 10:58:14,601 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-12-21 10:58:14,601 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-12-21 10:58:14,602 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,602 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,602 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,602 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,602 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,602 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,602 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,602 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,602 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,602 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,603 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-21 10:58:14,603 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-12-21 10:58:14,603 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-12-21 10:58:14,603 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,603 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-12-21 10:58:14,603 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-12-21 10:58:14,603 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,603 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,603 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,603 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,604 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,604 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,604 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-21 10:58:14,604 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-12-21 10:58:14,604 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-12-21 10:58:14,604 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,604 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,604 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,604 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse1 (<= ~a23~0 138)) (.cse6 (<= 278 ~a29~0)) (.cse4 (= ~a4~0 1)) (.cse3 (<= 0 (+ ~a23~0 42))) (.cse0 (<= 10 ~a25~0)) (.cse9 (<= ~a25~0 10)) (.cse10 (<= ~a29~0 130)) (.cse8 (<= ~a29~0 140)) (.cse5 (= ~a25~0 11)) (.cse7 (<= ~a23~0 312)) (.cse2 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2) (and .cse5 .cse6 .cse7 .cse2) (and .cse8 .cse1 .cse2 .cse3) (and .cse6 .cse9 .cse7 .cse2) (and .cse4 .cse2 .cse3) (and (= ~a25~0 12) .cse2) (and .cse9 .cse7 .cse2 .cse10) (and .cse0 .cse9 .cse2 .cse10) (and .cse8 .cse5 .cse7 .cse2))) [2021-12-21 10:58:14,604 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,604 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-12-21 10:58:14,604 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-12-21 10:58:14,604 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,604 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,604 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,604 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,604 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,604 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,604 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-21 10:58:14,604 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-21 10:58:14,605 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-12-21 10:58:14,605 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-12-21 10:58:14,605 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,605 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,605 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,605 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,605 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,605 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,605 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,605 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-12-21 10:58:14,606 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-21 10:58:14,606 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-12-21 10:58:14,606 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,606 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,606 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,606 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,606 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,606 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,606 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,606 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,606 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,607 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-21 10:58:14,607 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-12-21 10:58:14,607 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-21 10:58:14,607 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,607 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse1 (<= ~a23~0 138)) (.cse6 (<= 278 ~a29~0)) (.cse4 (= ~a4~0 1)) (.cse3 (<= 0 (+ ~a23~0 42))) (.cse0 (<= 10 ~a25~0)) (.cse9 (<= ~a25~0 10)) (.cse10 (<= ~a29~0 130)) (.cse8 (<= ~a29~0 140)) (.cse5 (= ~a25~0 11)) (.cse7 (<= ~a23~0 312)) (.cse2 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2) (and .cse5 .cse6 .cse7 .cse2) (and .cse8 .cse1 .cse2 .cse3) (and .cse6 .cse9 .cse7 .cse2) (and .cse4 .cse2 .cse3) (and (= ~a25~0 12) .cse2) (and .cse9 .cse7 .cse2 .cse10) (and .cse0 .cse9 .cse2 .cse10) (and .cse8 .cse5 .cse7 .cse2))) [2021-12-21 10:58:14,607 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,607 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,607 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,607 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,607 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,608 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,608 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,608 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,608 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-21 10:58:14,608 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-21 10:58:14,608 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-12-21 10:58:14,608 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-12-21 10:58:14,608 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-21 10:58:14,608 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-12-21 10:58:14,608 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-12-21 10:58:14,609 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,609 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,609 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,609 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,609 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,609 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,609 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,609 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,609 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,609 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,609 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 10:58:14,610 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-21 10:58:14,610 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-12-21 10:58:14,610 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-12-21 10:58:14,610 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-12-21 10:58:14,610 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,610 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,610 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,610 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,610 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,610 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-21 10:58:14,610 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-12-21 10:58:14,611 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-12-21 10:58:14,611 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,611 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,611 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,611 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,611 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-12-21 10:58:14,611 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-12-21 10:58:14,611 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,611 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,611 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,612 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,612 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,612 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,612 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-12-21 10:58:14,612 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-12-21 10:58:14,612 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,612 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,612 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-21 10:58:14,612 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-21 10:58:14,612 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-12-21 10:58:14,612 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 10:58:14,613 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2021-12-21 10:58:14,613 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,613 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,613 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,613 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,613 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,613 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,613 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,613 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-21 10:58:14,613 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-12-21 10:58:14,614 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-12-21 10:58:14,614 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-12-21 10:58:14,614 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-12-21 10:58:14,614 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-12-21 10:58:14,614 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-12-21 10:58:14,614 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,614 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,614 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-12-21 10:58:14,614 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-12-21 10:58:14,614 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,615 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,615 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,615 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,615 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,615 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-12-21 10:58:14,615 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-21 10:58:14,615 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-12-21 10:58:14,615 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,615 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,615 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,615 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,616 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,616 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,616 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-21 10:58:14,616 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-21 10:58:14,616 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-21 10:58:14,616 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,616 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,616 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,616 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,616 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,617 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,617 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,617 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,617 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-21 10:58:14,617 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-12-21 10:58:14,617 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-12-21 10:58:14,617 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,617 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,617 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,617 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,617 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,618 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,618 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,618 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,618 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,618 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,618 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,618 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-12-21 10:58:14,618 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-12-21 10:58:14,618 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-21 10:58:14,618 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-21 10:58:14,619 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-12-21 10:58:14,619 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,619 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,619 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,619 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,619 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,619 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,619 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,619 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-12-21 10:58:14,619 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-12-21 10:58:14,619 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,620 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-12-21 10:58:14,621 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-21 10:58:14,621 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-12-21 10:58:14,621 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-12-21 10:58:14,621 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,621 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,621 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,621 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,621 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,621 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,621 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,621 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,621 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-12-21 10:58:14,621 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-12-21 10:58:14,621 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-12-21 10:58:14,621 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-12-21 10:58:14,621 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-12-21 10:58:14,621 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-12-21 10:58:14,621 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,622 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,622 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,622 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,622 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,622 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,622 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,622 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-21 10:58:14,622 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-12-21 10:58:14,622 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 10:58:14,622 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,622 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-12-21 10:58:14,623 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-12-21 10:58:14,626 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:14,627 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 10:58:14,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 10:58:14 BoogieIcfgContainer [2021-12-21 10:58:14,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 10:58:14,640 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 10:58:14,640 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 10:58:14,640 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 10:58:14,640 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:58:01" (3/4) ... [2021-12-21 10:58:14,643 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 10:58:14,657 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-21 10:58:14,658 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-21 10:58:14,659 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 10:58:14,660 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 10:58:14,748 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 10:58:14,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 10:58:14,748 INFO L158 Benchmark]: Toolchain (without parser) took 15326.31ms. Allocated memory was 96.5MB in the beginning and 413.1MB in the end (delta: 316.7MB). Free memory was 69.2MB in the beginning and 148.9MB in the end (delta: -79.7MB). Peak memory consumption was 236.7MB. Max. memory is 16.1GB. [2021-12-21 10:58:14,749 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 96.5MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 10:58:14,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.14ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 68.9MB in the beginning and 72.4MB in the end (delta: -3.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-21 10:58:14,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.83ms. Allocated memory is still 127.9MB. Free memory was 72.4MB in the beginning and 55.0MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-21 10:58:14,750 INFO L158 Benchmark]: Boogie Preprocessor took 108.65ms. Allocated memory is still 127.9MB. Free memory was 55.0MB in the beginning and 90.7MB in the end (delta: -35.7MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2021-12-21 10:58:14,750 INFO L158 Benchmark]: RCFGBuilder took 1135.83ms. Allocated memory is still 127.9MB. Free memory was 90.1MB in the beginning and 69.8MB in the end (delta: 20.3MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. [2021-12-21 10:58:14,751 INFO L158 Benchmark]: TraceAbstraction took 13301.03ms. Allocated memory was 127.9MB in the beginning and 413.1MB in the end (delta: 285.2MB). Free memory was 69.0MB in the beginning and 173.0MB in the end (delta: -104.0MB). Peak memory consumption was 249.0MB. Max. memory is 16.1GB. [2021-12-21 10:58:14,751 INFO L158 Benchmark]: Witness Printer took 108.10ms. Allocated memory is still 413.1MB. Free memory was 173.0MB in the beginning and 148.9MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-21 10:58:14,753 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 96.5MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.14ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 68.9MB in the beginning and 72.4MB in the end (delta: -3.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.83ms. Allocated memory is still 127.9MB. Free memory was 72.4MB in the beginning and 55.0MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.65ms. Allocated memory is still 127.9MB. Free memory was 55.0MB in the beginning and 90.7MB in the end (delta: -35.7MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1135.83ms. Allocated memory is still 127.9MB. Free memory was 90.1MB in the beginning and 69.8MB in the end (delta: 20.3MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. * TraceAbstraction took 13301.03ms. Allocated memory was 127.9MB in the beginning and 413.1MB in the end (delta: 285.2MB). Free memory was 69.0MB in the beginning and 173.0MB in the end (delta: -104.0MB). Peak memory consumption was 249.0MB. Max. memory is 16.1GB. * Witness Printer took 108.10ms. Allocated memory is still 413.1MB. Free memory was 173.0MB in the beginning and 148.9MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 175]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.2s, OverallIterations: 15, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2283 SdHoareTripleChecker+Valid, 8.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2283 mSDsluCounter, 2916 SdHoareTripleChecker+Invalid, 6.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 303 mSDsCounter, 1492 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8213 IncrementalHoareTripleChecker+Invalid, 9705 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1492 mSolverCounterUnsat, 2613 mSDtfsCounter, 8213 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8897occurred in iteration=12, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 15 MinimizatonAttempts, 4651 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 115 NumberOfFragments, 251 HoareAnnotationTreeSize, 3 FomulaSimplifications, 862 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 4478 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 4243 NumberOfCodeBlocks, 4243 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 4228 ConstructedInterpolants, 0 QuantifiedInterpolants, 8466 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 4703/4703 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((10 <= a25 && a23 <= 138) && a8 == 15) && 0 <= a23 + 42) || ((10 <= a25 && a4 == 1) && a8 == 15)) || (((a25 == 11 && 278 <= a29) && a23 <= 312) && a8 == 15)) || (((a29 <= 140 && a23 <= 138) && a8 == 15) && 0 <= a23 + 42)) || (((278 <= a29 && a25 <= 10) && a23 <= 312) && a8 == 15)) || ((a4 == 1 && a8 == 15) && 0 <= a23 + 42)) || (a25 == 12 && a8 == 15)) || (((a25 <= 10 && a23 <= 312) && a8 == 15) && a29 <= 130)) || (((10 <= a25 && a25 <= 10) && a8 == 15) && a29 <= 130)) || (((a29 <= 140 && a25 == 11) && a23 <= 312) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((10 <= a25 && a23 <= 138) && a8 == 15) && 0 <= a23 + 42) || ((10 <= a25 && a4 == 1) && a8 == 15)) || (((a25 == 11 && 278 <= a29) && a23 <= 312) && a8 == 15)) || (((a29 <= 140 && a23 <= 138) && a8 == 15) && 0 <= a23 + 42)) || (((278 <= a29 && a25 <= 10) && a23 <= 312) && a8 == 15)) || ((a4 == 1 && a8 == 15) && 0 <= a23 + 42)) || (a25 == 12 && a8 == 15)) || (((a25 <= 10 && a23 <= 312) && a8 == 15) && a29 <= 130)) || (((10 <= a25 && a25 <= 10) && a8 == 15) && a29 <= 130)) || (((a29 <= 140 && a25 == 11) && a23 <= 312) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-21 10:58:14,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE