./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label09.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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_label09.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 d8f5e7588b052ea6944040fff8b4327aaa68f0ec95b59b9f16a8a13412f9772d --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 09:35:07,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 09:35:07,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 09:35:07,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 09:35:07,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 09:35:07,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 09:35:07,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 09:35:07,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 09:35:07,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 09:35:07,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 09:35:07,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 09:35:07,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 09:35:07,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 09:35:07,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 09:35:07,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 09:35:07,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 09:35:07,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 09:35:07,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 09:35:07,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 09:35:07,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 09:35:07,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 09:35:07,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 09:35:07,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 09:35:07,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 09:35:07,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 09:35:07,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 09:35:07,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 09:35:07,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 09:35:07,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 09:35:07,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 09:35:07,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 09:35:07,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 09:35:07,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 09:35:07,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 09:35:07,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 09:35:07,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 09:35:07,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 09:35:07,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 09:35:07,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 09:35:07,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 09:35:07,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 09:35:07,309 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 09:35:07,350 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 09:35:07,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 09:35:07,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 09:35:07,351 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 09:35:07,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 09:35:07,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 09:35:07,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 09:35:07,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 09:35:07,353 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 09:35:07,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 09:35:07,354 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 09:35:07,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 09:35:07,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 09:35:07,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 09:35:07,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 09:35:07,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 09:35:07,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 09:35:07,361 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 09:35:07,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 09:35:07,361 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 09:35:07,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 09:35:07,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 09:35:07,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 09:35:07,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 09:35:07,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:35:07,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 09:35:07,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 09:35:07,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 09:35:07,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 09:35:07,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 09:35:07,363 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 09:35:07,363 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 09:35:07,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 09:35:07,364 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 09:35:07,364 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8f5e7588b052ea6944040fff8b4327aaa68f0ec95b59b9f16a8a13412f9772d [2021-12-15 09:35:07,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 09:35:07,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 09:35:07,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 09:35:07,634 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 09:35:07,635 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 09:35:07,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label09.c [2021-12-15 09:35:07,696 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ef6c168/28829106148d4136a4878fd9f573e6d4/FLAG1f6d20eda [2021-12-15 09:35:08,207 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 09:35:08,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label09.c [2021-12-15 09:35:08,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ef6c168/28829106148d4136a4878fd9f573e6d4/FLAG1f6d20eda [2021-12-15 09:35:08,709 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ef6c168/28829106148d4136a4878fd9f573e6d4 [2021-12-15 09:35:08,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 09:35:08,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 09:35:08,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 09:35:08,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 09:35:08,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 09:35:08,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:35:08" (1/1) ... [2021-12-15 09:35:08,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b5c330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:08, skipping insertion in model container [2021-12-15 09:35:08,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:35:08" (1/1) ... [2021-12-15 09:35:08,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 09:35:08,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 09:35:08,993 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_label09.c[9501,9514] [2021-12-15 09:35:09,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:35:09,204 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 09:35:09,224 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_label09.c[9501,9514] [2021-12-15 09:35:09,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:35:09,309 INFO L208 MainTranslator]: Completed translation [2021-12-15 09:35:09,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:09 WrapperNode [2021-12-15 09:35:09,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 09:35:09,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 09:35:09,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 09:35:09,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 09:35:09,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:09" (1/1) ... [2021-12-15 09:35:09,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:09" (1/1) ... [2021-12-15 09:35:09,443 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-12-15 09:35:09,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 09:35:09,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 09:35:09,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 09:35:09,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 09:35:09,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:09" (1/1) ... [2021-12-15 09:35:09,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:09" (1/1) ... [2021-12-15 09:35:09,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:09" (1/1) ... [2021-12-15 09:35:09,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:09" (1/1) ... [2021-12-15 09:35:09,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:09" (1/1) ... [2021-12-15 09:35:09,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:09" (1/1) ... [2021-12-15 09:35:09,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:09" (1/1) ... [2021-12-15 09:35:09,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 09:35:09,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 09:35:09,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 09:35:09,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 09:35:09,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:09" (1/1) ... [2021-12-15 09:35:09,559 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:35:09,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:35:09,580 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) [2021-12-15 09:35:09,589 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 [2021-12-15 09:35:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 09:35:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 09:35:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 09:35:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 09:35:09,695 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 09:35:09,697 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 09:35:10,988 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 09:35:10,996 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 09:35:10,997 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 09:35:10,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:35:10 BoogieIcfgContainer [2021-12-15 09:35:10,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 09:35:11,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 09:35:11,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 09:35:11,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 09:35:11,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:35:08" (1/3) ... [2021-12-15 09:35:11,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b0c20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:35:11, skipping insertion in model container [2021-12-15 09:35:11,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:35:09" (2/3) ... [2021-12-15 09:35:11,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b0c20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:35:11, skipping insertion in model container [2021-12-15 09:35:11,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:35:10" (3/3) ... [2021-12-15 09:35:11,006 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label09.c [2021-12-15 09:35:11,010 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 09:35:11,010 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 09:35:11,050 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 09:35:11,056 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 [2021-12-15 09:35:11,057 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 09:35:11,074 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) [2021-12-15 09:35:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-12-15 09:35:11,082 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:11,082 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:35:11,083 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:11,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:11,088 INFO L85 PathProgramCache]: Analyzing trace with hash -215114758, now seen corresponding path program 1 times [2021-12-15 09:35:11,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:11,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344456331] [2021-12-15 09:35:11,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:11,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:11,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:35:11,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:11,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344456331] [2021-12-15 09:35:11,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344456331] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:11,351 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:11,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:35:11,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297345219] [2021-12-15 09:35:11,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:11,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:11,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:11,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:11,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:11,387 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 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:12,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:12,461 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2021-12-15 09:35:12,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:12,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2021-12-15 09:35:12,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:12,475 INFO L225 Difference]: With dead ends: 776 [2021-12-15 09:35:12,476 INFO L226 Difference]: Without dead ends: 413 [2021-12-15 09:35:12,480 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 [2021-12-15 09:35:12,484 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 161 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:12,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-15 09:35:12,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-12-15 09:35:12,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2021-12-15 09:35:12,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:12,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2021-12-15 09:35:12,572 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 66 [2021-12-15 09:35:12,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:12,573 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2021-12-15 09:35:12,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:12,574 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2021-12-15 09:35:12,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-12-15 09:35:12,579 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:12,579 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:35:12,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 09:35:12,580 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:12,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:12,583 INFO L85 PathProgramCache]: Analyzing trace with hash 75298066, now seen corresponding path program 1 times [2021-12-15 09:35:12,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:12,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188157379] [2021-12-15 09:35:12,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:12,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:12,699 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:35:12,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:12,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188157379] [2021-12-15 09:35:12,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188157379] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:12,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:12,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:35:12,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217846986] [2021-12-15 09:35:12,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:12,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:12,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:12,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:12,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:12,706 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:13,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:13,439 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2021-12-15 09:35:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:13,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2021-12-15 09:35:13,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:13,443 INFO L225 Difference]: With dead ends: 1209 [2021-12-15 09:35:13,443 INFO L226 Difference]: Without dead ends: 800 [2021-12-15 09:35:13,445 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 [2021-12-15 09:35:13,446 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:13,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:35:13,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-12-15 09:35:13,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2021-12-15 09:35:13,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3854961832061068) internal successors, (1089), 786 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:13,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2021-12-15 09:35:13,463 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 134 [2021-12-15 09:35:13,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:13,463 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2021-12-15 09:35:13,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:13,464 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2021-12-15 09:35:13,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-12-15 09:35:13,469 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:13,469 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:35:13,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 09:35:13,469 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:13,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:13,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1430585172, now seen corresponding path program 1 times [2021-12-15 09:35:13,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:13,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495699961] [2021-12-15 09:35:13,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:13,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:13,609 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:35:13,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:13,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495699961] [2021-12-15 09:35:13,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495699961] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:13,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:13,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:35:13,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348493437] [2021-12-15 09:35:13,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:13,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:13,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:13,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:13,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:13,613 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:14,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:14,248 INFO L93 Difference]: Finished difference Result 1941 states and 2630 transitions. [2021-12-15 09:35:14,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:14,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2021-12-15 09:35:14,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:14,252 INFO L225 Difference]: With dead ends: 1941 [2021-12-15 09:35:14,253 INFO L226 Difference]: Without dead ends: 1156 [2021-12-15 09:35:14,254 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 [2021-12-15 09:35:14,255 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 120 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:14,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 193 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:35:14,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2021-12-15 09:35:14,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1156. [2021-12-15 09:35:14,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277922077922078) internal successors, (1476), 1155 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:14,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions. [2021-12-15 09:35:14,274 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 135 [2021-12-15 09:35:14,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:14,275 INFO L470 AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions. [2021-12-15 09:35:14,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:14,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions. [2021-12-15 09:35:14,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-12-15 09:35:14,279 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:14,280 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, 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] [2021-12-15 09:35:14,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-15 09:35:14,280 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:14,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:14,281 INFO L85 PathProgramCache]: Analyzing trace with hash 290239190, now seen corresponding path program 1 times [2021-12-15 09:35:14,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:14,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741383400] [2021-12-15 09:35:14,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:14,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:14,437 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:35:14,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:14,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741383400] [2021-12-15 09:35:14,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741383400] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:14,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:14,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:35:14,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112312610] [2021-12-15 09:35:14,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:14,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:14,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:14,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:14,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:14,440 INFO L87 Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:15,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:15,148 INFO L93 Difference]: Finished difference Result 2877 states and 3707 transitions. [2021-12-15 09:35:15,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:15,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 178 [2021-12-15 09:35:15,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:15,155 INFO L225 Difference]: With dead ends: 2877 [2021-12-15 09:35:15,155 INFO L226 Difference]: Without dead ends: 1723 [2021-12-15 09:35:15,157 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 [2021-12-15 09:35:15,158 INFO L933 BasicCegarLoop]: 313 mSDtfsCounter, 140 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:15,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 334 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:35:15,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2021-12-15 09:35:15,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1529. [2021-12-15 09:35:15,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1529 states, 1528 states have (on average 1.2611256544502618) internal successors, (1927), 1528 states have internal predecessors, (1927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:15,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 1927 transitions. [2021-12-15 09:35:15,186 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 1927 transitions. Word has length 178 [2021-12-15 09:35:15,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:15,187 INFO L470 AbstractCegarLoop]: Abstraction has 1529 states and 1927 transitions. [2021-12-15 09:35:15,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:15,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1927 transitions. [2021-12-15 09:35:15,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-15 09:35:15,190 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:15,190 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, 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] [2021-12-15 09:35:15,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-15 09:35:15,191 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:15,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:15,192 INFO L85 PathProgramCache]: Analyzing trace with hash 225378193, now seen corresponding path program 1 times [2021-12-15 09:35:15,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:15,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356633068] [2021-12-15 09:35:15,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:15,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:15,335 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-12-15 09:35:15,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:15,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356633068] [2021-12-15 09:35:15,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356633068] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:15,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:15,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:35:15,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725644521] [2021-12-15 09:35:15,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:15,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:15,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:15,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:15,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:15,338 INFO L87 Difference]: Start difference. First operand 1529 states and 1927 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) [2021-12-15 09:35:16,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:16,047 INFO L93 Difference]: Finished difference Result 3984 states and 5055 transitions. [2021-12-15 09:35:16,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:16,048 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 209 [2021-12-15 09:35:16,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:16,056 INFO L225 Difference]: With dead ends: 3984 [2021-12-15 09:35:16,056 INFO L226 Difference]: Without dead ends: 2457 [2021-12-15 09:35:16,058 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 [2021-12-15 09:35:16,064 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 77 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:16,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 157 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:35:16,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2457 states. [2021-12-15 09:35:16,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2457 to 2456. [2021-12-15 09:35:16,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2456 states, 2455 states have (on average 1.2122199592668024) internal successors, (2976), 2455 states have internal predecessors, (2976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:16,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2456 states and 2976 transitions. [2021-12-15 09:35:16,104 INFO L78 Accepts]: Start accepts. Automaton has 2456 states and 2976 transitions. Word has length 209 [2021-12-15 09:35:16,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:16,106 INFO L470 AbstractCegarLoop]: Abstraction has 2456 states and 2976 transitions. [2021-12-15 09:35:16,107 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) [2021-12-15 09:35:16,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 2976 transitions. [2021-12-15 09:35:16,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-12-15 09:35:16,113 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:16,114 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 09:35:16,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-15 09:35:16,115 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:16,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:16,116 INFO L85 PathProgramCache]: Analyzing trace with hash -744050184, now seen corresponding path program 1 times [2021-12-15 09:35:16,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:16,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016260674] [2021-12-15 09:35:16,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:16,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:16,267 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-12-15 09:35:16,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:16,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016260674] [2021-12-15 09:35:16,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016260674] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:16,267 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:16,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:35:16,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327431215] [2021-12-15 09:35:16,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:16,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:16,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:16,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:16,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:16,269 INFO L87 Difference]: Start difference. First operand 2456 states and 2976 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:16,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:16,971 INFO L93 Difference]: Finished difference Result 6200 states and 7608 transitions. [2021-12-15 09:35:16,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:16,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 247 [2021-12-15 09:35:16,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:16,984 INFO L225 Difference]: With dead ends: 6200 [2021-12-15 09:35:16,984 INFO L226 Difference]: Without dead ends: 3746 [2021-12-15 09:35:16,987 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 [2021-12-15 09:35:16,988 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 173 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:16,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 132 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:35:16,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3746 states. [2021-12-15 09:35:17,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3746 to 3562. [2021-12-15 09:35:17,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3562 states, 3561 states have (on average 1.2103341757933166) internal successors, (4310), 3561 states have internal predecessors, (4310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:17,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3562 states and 4310 transitions. [2021-12-15 09:35:17,043 INFO L78 Accepts]: Start accepts. Automaton has 3562 states and 4310 transitions. Word has length 247 [2021-12-15 09:35:17,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:17,043 INFO L470 AbstractCegarLoop]: Abstraction has 3562 states and 4310 transitions. [2021-12-15 09:35:17,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:17,044 INFO L276 IsEmpty]: Start isEmpty. Operand 3562 states and 4310 transitions. [2021-12-15 09:35:17,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-12-15 09:35:17,048 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:17,048 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:35:17,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-15 09:35:17,048 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:17,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:17,049 INFO L85 PathProgramCache]: Analyzing trace with hash 90582615, now seen corresponding path program 1 times [2021-12-15 09:35:17,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:17,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247773190] [2021-12-15 09:35:17,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:17,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:17,173 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-12-15 09:35:17,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:17,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247773190] [2021-12-15 09:35:17,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247773190] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:17,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:17,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:35:17,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640465023] [2021-12-15 09:35:17,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:17,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:17,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:17,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:17,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:17,176 INFO L87 Difference]: Start difference. First operand 3562 states and 4310 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:17,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:17,886 INFO L93 Difference]: Finished difference Result 8242 states and 9981 transitions. [2021-12-15 09:35:17,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:17,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 268 [2021-12-15 09:35:17,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:17,901 INFO L225 Difference]: With dead ends: 8242 [2021-12-15 09:35:17,901 INFO L226 Difference]: Without dead ends: 4682 [2021-12-15 09:35:17,906 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 [2021-12-15 09:35:17,907 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 136 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:17,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 189 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:35:17,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4682 states. [2021-12-15 09:35:17,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4682 to 4482. [2021-12-15 09:35:17,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4482 states, 4481 states have (on average 1.2033028341887972) internal successors, (5392), 4481 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:17,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4482 states to 4482 states and 5392 transitions. [2021-12-15 09:35:17,975 INFO L78 Accepts]: Start accepts. Automaton has 4482 states and 5392 transitions. Word has length 268 [2021-12-15 09:35:17,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:17,975 INFO L470 AbstractCegarLoop]: Abstraction has 4482 states and 5392 transitions. [2021-12-15 09:35:17,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:17,976 INFO L276 IsEmpty]: Start isEmpty. Operand 4482 states and 5392 transitions. [2021-12-15 09:35:17,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-12-15 09:35:17,981 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:17,981 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:35:17,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-15 09:35:17,982 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:17,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:17,983 INFO L85 PathProgramCache]: Analyzing trace with hash -394370667, now seen corresponding path program 1 times [2021-12-15 09:35:17,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:17,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150487947] [2021-12-15 09:35:17,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:17,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:18,115 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-15 09:35:18,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:18,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150487947] [2021-12-15 09:35:18,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150487947] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:18,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:18,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:35:18,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572731844] [2021-12-15 09:35:18,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:18,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:18,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:18,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:18,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:18,118 INFO L87 Difference]: Start difference. First operand 4482 states and 5392 transitions. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:18,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:18,842 INFO L93 Difference]: Finished difference Result 11170 states and 13610 transitions. [2021-12-15 09:35:18,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:18,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 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 285 [2021-12-15 09:35:18,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:18,864 INFO L225 Difference]: With dead ends: 11170 [2021-12-15 09:35:18,864 INFO L226 Difference]: Without dead ends: 6690 [2021-12-15 09:35:18,870 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 [2021-12-15 09:35:18,871 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 148 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:18,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 140 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:35:18,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6690 states. [2021-12-15 09:35:18,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6690 to 6690. [2021-12-15 09:35:18,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6690 states, 6689 states have (on average 1.2070563611900134) internal successors, (8074), 6689 states have internal predecessors, (8074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:18,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6690 states to 6690 states and 8074 transitions. [2021-12-15 09:35:18,977 INFO L78 Accepts]: Start accepts. Automaton has 6690 states and 8074 transitions. Word has length 285 [2021-12-15 09:35:18,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:18,979 INFO L470 AbstractCegarLoop]: Abstraction has 6690 states and 8074 transitions. [2021-12-15 09:35:18,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:18,980 INFO L276 IsEmpty]: Start isEmpty. Operand 6690 states and 8074 transitions. [2021-12-15 09:35:18,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-12-15 09:35:18,989 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:18,989 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:35:18,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-15 09:35:18,991 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:18,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:18,991 INFO L85 PathProgramCache]: Analyzing trace with hash 94908102, now seen corresponding path program 1 times [2021-12-15 09:35:18,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:18,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597886255] [2021-12-15 09:35:18,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:18,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:19,131 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:35:19,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:19,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597886255] [2021-12-15 09:35:19,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597886255] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:19,132 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:19,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:35:19,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913875362] [2021-12-15 09:35:19,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:19,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 09:35:19,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:19,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 09:35:19,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:35:19,134 INFO L87 Difference]: Start difference. First operand 6690 states and 8074 transitions. Second operand has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:20,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:20,290 INFO L93 Difference]: Finished difference Result 20217 states and 24675 transitions. [2021-12-15 09:35:20,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 09:35:20,290 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 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 326 [2021-12-15 09:35:20,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:20,354 INFO L225 Difference]: With dead ends: 20217 [2021-12-15 09:35:20,355 INFO L226 Difference]: Without dead ends: 13529 [2021-12-15 09:35:20,360 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 [2021-12-15 09:35:20,361 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 255 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 1114 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:20,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 88 Invalid, 1284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1114 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-15 09:35:20,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13529 states. [2021-12-15 09:35:20,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13529 to 13526. [2021-12-15 09:35:20,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13526 states, 13525 states have (on average 1.205101663585952) internal successors, (16299), 13525 states have internal predecessors, (16299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:20,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13526 states to 13526 states and 16299 transitions. [2021-12-15 09:35:20,566 INFO L78 Accepts]: Start accepts. Automaton has 13526 states and 16299 transitions. Word has length 326 [2021-12-15 09:35:20,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:20,567 INFO L470 AbstractCegarLoop]: Abstraction has 13526 states and 16299 transitions. [2021-12-15 09:35:20,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:20,568 INFO L276 IsEmpty]: Start isEmpty. Operand 13526 states and 16299 transitions. [2021-12-15 09:35:20,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-12-15 09:35:20,579 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:20,579 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:35:20,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-15 09:35:20,579 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:20,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:20,580 INFO L85 PathProgramCache]: Analyzing trace with hash 742169044, now seen corresponding path program 1 times [2021-12-15 09:35:20,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:20,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436157043] [2021-12-15 09:35:20,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:20,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:20,719 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-15 09:35:20,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:20,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436157043] [2021-12-15 09:35:20,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436157043] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:20,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:20,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:35:20,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446741329] [2021-12-15 09:35:20,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:20,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:20,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:20,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:20,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:20,721 INFO L87 Difference]: Start difference. First operand 13526 states and 16299 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:21,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:21,475 INFO L93 Difference]: Finished difference Result 29991 states and 36289 transitions. [2021-12-15 09:35:21,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:21,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 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 327 [2021-12-15 09:35:21,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:21,506 INFO L225 Difference]: With dead ends: 29991 [2021-12-15 09:35:21,507 INFO L226 Difference]: Without dead ends: 16835 [2021-12-15 09:35:21,583 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 [2021-12-15 09:35:21,584 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 158 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:21,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 343 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:35:21,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16835 states. [2021-12-15 09:35:21,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16835 to 16466. [2021-12-15 09:35:21,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16466 states, 16465 states have (on average 1.1870634679623444) internal successors, (19545), 16465 states have internal predecessors, (19545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:21,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16466 states to 16466 states and 19545 transitions. [2021-12-15 09:35:21,816 INFO L78 Accepts]: Start accepts. Automaton has 16466 states and 19545 transitions. Word has length 327 [2021-12-15 09:35:21,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:21,817 INFO L470 AbstractCegarLoop]: Abstraction has 16466 states and 19545 transitions. [2021-12-15 09:35:21,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:21,817 INFO L276 IsEmpty]: Start isEmpty. Operand 16466 states and 19545 transitions. [2021-12-15 09:35:21,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-12-15 09:35:21,832 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:21,833 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, 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, 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] [2021-12-15 09:35:21,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-15 09:35:21,833 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:21,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:21,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1173822211, now seen corresponding path program 1 times [2021-12-15 09:35:21,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:21,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145561042] [2021-12-15 09:35:21,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:21,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:21,978 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-12-15 09:35:21,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:21,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145561042] [2021-12-15 09:35:21,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145561042] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:21,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:21,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:35:21,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807026092] [2021-12-15 09:35:21,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:21,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:21,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:21,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:21,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:21,981 INFO L87 Difference]: Start difference. First operand 16466 states and 19545 transitions. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:22,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:22,675 INFO L93 Difference]: Finished difference Result 30897 states and 36837 transitions. [2021-12-15 09:35:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:22,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 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 345 [2021-12-15 09:35:22,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:22,710 INFO L225 Difference]: With dead ends: 30897 [2021-12-15 09:35:22,710 INFO L226 Difference]: Without dead ends: 16094 [2021-12-15 09:35:22,719 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 [2021-12-15 09:35:22,720 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 163 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:22,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 151 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:35:22,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16094 states. [2021-12-15 09:35:22,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16094 to 14434. [2021-12-15 09:35:22,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14434 states, 14433 states have (on average 1.1385020439271114) internal successors, (16432), 14433 states have internal predecessors, (16432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:22,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14434 states to 14434 states and 16432 transitions. [2021-12-15 09:35:22,911 INFO L78 Accepts]: Start accepts. Automaton has 14434 states and 16432 transitions. Word has length 345 [2021-12-15 09:35:22,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:22,912 INFO L470 AbstractCegarLoop]: Abstraction has 14434 states and 16432 transitions. [2021-12-15 09:35:22,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:22,912 INFO L276 IsEmpty]: Start isEmpty. Operand 14434 states and 16432 transitions. [2021-12-15 09:35:22,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-12-15 09:35:22,950 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:22,950 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:35:22,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-15 09:35:22,950 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:22,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:22,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1999986080, now seen corresponding path program 1 times [2021-12-15 09:35:22,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:22,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475779692] [2021-12-15 09:35:22,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:22,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:23,069 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-12-15 09:35:23,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:23,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475779692] [2021-12-15 09:35:23,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475779692] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:23,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:23,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:35:23,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569748220] [2021-12-15 09:35:23,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:23,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:23,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:23,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:23,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:23,072 INFO L87 Difference]: Start difference. First operand 14434 states and 16432 transitions. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:23,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:23,816 INFO L93 Difference]: Finished difference Result 31078 states and 35577 transitions. [2021-12-15 09:35:23,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:23,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 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 349 [2021-12-15 09:35:23,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:23,838 INFO L225 Difference]: With dead ends: 31078 [2021-12-15 09:35:23,838 INFO L226 Difference]: Without dead ends: 17014 [2021-12-15 09:35:23,851 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 [2021-12-15 09:35:23,852 INFO L933 BasicCegarLoop]: 344 mSDtfsCounter, 129 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:23,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 370 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:35:23,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17014 states. [2021-12-15 09:35:24,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17014 to 16089. [2021-12-15 09:35:24,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16089 states, 16088 states have (on average 1.1267404276479362) internal successors, (18127), 16088 states have internal predecessors, (18127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:24,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16089 states to 16089 states and 18127 transitions. [2021-12-15 09:35:24,084 INFO L78 Accepts]: Start accepts. Automaton has 16089 states and 18127 transitions. Word has length 349 [2021-12-15 09:35:24,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:24,084 INFO L470 AbstractCegarLoop]: Abstraction has 16089 states and 18127 transitions. [2021-12-15 09:35:24,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:24,085 INFO L276 IsEmpty]: Start isEmpty. Operand 16089 states and 18127 transitions. [2021-12-15 09:35:24,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2021-12-15 09:35:24,104 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:24,105 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:35:24,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-15 09:35:24,105 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:24,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:24,106 INFO L85 PathProgramCache]: Analyzing trace with hash 714143893, now seen corresponding path program 1 times [2021-12-15 09:35:24,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:24,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045303135] [2021-12-15 09:35:24,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:24,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:24,257 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-12-15 09:35:24,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:24,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045303135] [2021-12-15 09:35:24,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045303135] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:24,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:24,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:35:24,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735202715] [2021-12-15 09:35:24,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:24,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:24,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:24,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:24,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:24,260 INFO L87 Difference]: Start difference. First operand 16089 states and 18127 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) [2021-12-15 09:35:24,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:24,986 INFO L93 Difference]: Finished difference Result 34209 states and 38755 transitions. [2021-12-15 09:35:24,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:24,987 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 406 [2021-12-15 09:35:24,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:25,012 INFO L225 Difference]: With dead ends: 34209 [2021-12-15 09:35:25,012 INFO L226 Difference]: Without dead ends: 18490 [2021-12-15 09:35:25,025 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 [2021-12-15 09:35:25,026 INFO L933 BasicCegarLoop]: 363 mSDtfsCounter, 129 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:25,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 383 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:35:25,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18490 states. [2021-12-15 09:35:25,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18490 to 17193. [2021-12-15 09:35:25,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17193 states, 17192 states have (on average 1.1167403443462076) internal successors, (19199), 17192 states have internal predecessors, (19199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:25,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17193 states to 17193 states and 19199 transitions. [2021-12-15 09:35:25,273 INFO L78 Accepts]: Start accepts. Automaton has 17193 states and 19199 transitions. Word has length 406 [2021-12-15 09:35:25,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:25,273 INFO L470 AbstractCegarLoop]: Abstraction has 17193 states and 19199 transitions. [2021-12-15 09:35:25,273 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) [2021-12-15 09:35:25,274 INFO L276 IsEmpty]: Start isEmpty. Operand 17193 states and 19199 transitions. [2021-12-15 09:35:25,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2021-12-15 09:35:25,292 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:35:25,292 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:35:25,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-15 09:35:25,293 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:35:25,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:35:25,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1003879343, now seen corresponding path program 1 times [2021-12-15 09:35:25,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:35:25,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079123209] [2021-12-15 09:35:25,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:35:25,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:35:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:35:25,423 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-12-15 09:35:25,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:35:25,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079123209] [2021-12-15 09:35:25,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079123209] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:35:25,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:35:25,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:35:25,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321683836] [2021-12-15 09:35:25,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:35:25,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:35:25,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:35:25,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:35:25,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:35:25,426 INFO L87 Difference]: Start difference. First operand 17193 states and 19199 transitions. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 2 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:25,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:35:25,841 INFO L93 Difference]: Finished difference Result 30497 states and 33947 transitions. [2021-12-15 09:35:25,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:35:25,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 2 states have internal predecessors, (255), 0 states have call successors, (0), 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 441 [2021-12-15 09:35:25,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:35:25,844 INFO L225 Difference]: With dead ends: 30497 [2021-12-15 09:35:25,844 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 09:35:25,857 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 [2021-12-15 09:35:25,858 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 155 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:35:25,858 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 35 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:35:25,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 09:35:25,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 09:35:25,859 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) [2021-12-15 09:35:25,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 09:35:25,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 441 [2021-12-15 09:35:25,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:35:25,860 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 09:35:25,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 2 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:35:25,860 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 09:35:25,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 09:35:25,863 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 09:35:25,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-15 09:35:25,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 09:35:27,472 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-12-15 09:35:27,473 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,473 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-12-15 09:35:27,473 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,473 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,473 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,473 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,473 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,474 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,474 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-15 09:35:27,474 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-12-15 09:35:27,474 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-12-15 09:35:27,474 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,474 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,474 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,475 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,475 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,475 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,475 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,475 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,475 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,475 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,475 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-15 09:35:27,476 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-12-15 09:35:27,476 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-12-15 09:35:27,476 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,476 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-12-15 09:35:27,476 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-12-15 09:35:27,476 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,476 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,476 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,477 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,477 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,477 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,477 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-15 09:35:27,477 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-12-15 09:35:27,477 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-12-15 09:35:27,477 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,477 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,478 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,478 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse0 (= ~a25~0 10)) (.cse2 (<= 0 (+ ~a23~0 42))) (.cse1 (= ~a4~0 1)) (.cse5 (<= ~a29~0 130)) (.cse3 (<= ~a23~0 312)) (.cse4 (<= ~a8~0 15)) (.cse6 (<= ~a25~0 10))) (or (and .cse0 (<= (+ ~a23~0 599772) 0) .cse1) (and .cse2 .cse3 .cse4) (and .cse0 .cse4 .cse5) (and .cse3 .cse4 (= ~a25~0 11)) (and .cse0 .cse4 .cse1) (and (= ~a25~0 12) .cse4) (and .cse2 .cse4 .cse1) (and .cse4 (<= ~a29~0 245) .cse1) (and .cse3 .cse4 .cse6 .cse5) (and (< 277 ~a29~0) .cse3 .cse4 .cse6))) [2021-12-15 09:35:27,478 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,479 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-12-15 09:35:27,479 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-12-15 09:35:27,479 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,479 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,480 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,480 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,480 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,480 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,480 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-15 09:35:27,480 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-15 09:35:27,480 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-12-15 09:35:27,481 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-12-15 09:35:27,481 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,481 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,481 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,481 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,481 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,481 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,481 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,482 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-12-15 09:35:27,482 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-15 09:35:27,482 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-12-15 09:35:27,482 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,482 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,482 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,482 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,482 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,483 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,483 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,483 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,483 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,483 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-15 09:35:27,483 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-12-15 09:35:27,483 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-15 09:35:27,483 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,484 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse0 (= ~a25~0 10)) (.cse2 (<= 0 (+ ~a23~0 42))) (.cse1 (= ~a4~0 1)) (.cse5 (<= ~a29~0 130)) (.cse3 (<= ~a23~0 312)) (.cse4 (<= ~a8~0 15)) (.cse6 (<= ~a25~0 10))) (or (and .cse0 (<= (+ ~a23~0 599772) 0) .cse1) (and .cse2 .cse3 .cse4) (and .cse0 .cse4 .cse5) (and .cse3 .cse4 (= ~a25~0 11)) (and .cse0 .cse4 .cse1) (and (= ~a25~0 12) .cse4) (and .cse2 .cse4 .cse1) (and .cse4 (<= ~a29~0 245) .cse1) (and .cse3 .cse4 .cse6 .cse5) (and (< 277 ~a29~0) .cse3 .cse4 .cse6))) [2021-12-15 09:35:27,484 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,484 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,484 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,484 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,484 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,484 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,484 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,484 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,485 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-15 09:35:27,485 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-15 09:35:27,485 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-12-15 09:35:27,485 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-12-15 09:35:27,485 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-15 09:35:27,485 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-12-15 09:35:27,485 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-12-15 09:35:27,485 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,485 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,485 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,485 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,485 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,485 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,485 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,485 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,485 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,485 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,485 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 09:35:27,486 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-15 09:35:27,486 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-12-15 09:35:27,486 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-12-15 09:35:27,486 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-12-15 09:35:27,486 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,486 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,486 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,486 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,486 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,486 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-15 09:35:27,486 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-12-15 09:35:27,486 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-12-15 09:35:27,486 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,486 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,486 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,486 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,486 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-12-15 09:35:27,486 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-12-15 09:35:27,487 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,487 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,487 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,487 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,487 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,487 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,489 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-12-15 09:35:27,489 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-12-15 09:35:27,489 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,489 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,489 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-15 09:35:27,489 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-15 09:35:27,489 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-12-15 09:35:27,490 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 09:35:27,490 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 214) no Hoare annotation was computed. [2021-12-15 09:35:27,490 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,490 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,490 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,490 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,490 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,490 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,491 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,491 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-15 09:35:27,491 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-12-15 09:35:27,491 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-12-15 09:35:27,491 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-12-15 09:35:27,491 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-12-15 09:35:27,491 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-12-15 09:35:27,492 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-12-15 09:35:27,492 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,492 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,492 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-12-15 09:35:27,492 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-12-15 09:35:27,492 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,492 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,492 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,493 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,493 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,493 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-12-15 09:35:27,493 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-15 09:35:27,493 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-12-15 09:35:27,493 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,493 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,493 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,494 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,494 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,494 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,494 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-15 09:35:27,494 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-15 09:35:27,494 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-15 09:35:27,494 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,495 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,495 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,495 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,495 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,495 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,495 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,495 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,495 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-15 09:35:27,496 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-12-15 09:35:27,496 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-12-15 09:35:27,496 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,496 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,496 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,496 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,496 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,496 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,497 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,497 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,497 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,497 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,497 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,497 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-12-15 09:35:27,497 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-12-15 09:35:27,497 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-15 09:35:27,498 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-15 09:35:27,498 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-12-15 09:35:27,498 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,498 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,498 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,498 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,498 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,498 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,499 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,499 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-12-15 09:35:27,499 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-12-15 09:35:27,499 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-15 09:35:27,499 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,499 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,499 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,499 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-12-15 09:35:27,500 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-12-15 09:35:27,500 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,500 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,500 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,500 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,500 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,500 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-12-15 09:35:27,501 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-12-15 09:35:27,501 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,501 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,501 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-12-15 09:35:27,501 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-12-15 09:35:27,501 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,501 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 09:35:27,501 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,502 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,502 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,502 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,502 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,502 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-12-15 09:35:27,502 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-15 09:35:27,502 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-12-15 09:35:27,502 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-12-15 09:35:27,503 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,503 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,503 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,503 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,503 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,503 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,503 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,504 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,504 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-12-15 09:35:27,504 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-12-15 09:35:27,505 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-12-15 09:35:27,505 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-12-15 09:35:27,505 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-12-15 09:35:27,505 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-12-15 09:35:27,505 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,505 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,506 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,506 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,506 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,507 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,508 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,508 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-15 09:35:27,508 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-12-15 09:35:27,508 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 09:35:27,508 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,508 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,508 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,509 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,509 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,509 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,509 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-12-15 09:35:27,509 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-12-15 09:35:27,509 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,509 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,509 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,510 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,510 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,510 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,510 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,510 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-12-15 09:35:27,510 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:35:27,510 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,510 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,511 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-15 09:35:27,511 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-12-15 09:35:27,511 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-12-15 09:35:27,511 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-12-15 09:35:27,514 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:35:27,515 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 09:35:27,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:35:27 BoogieIcfgContainer [2021-12-15 09:35:27,531 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 09:35:27,531 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 09:35:27,531 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 09:35:27,532 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 09:35:27,532 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:35:10" (3/4) ... [2021-12-15 09:35:27,535 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 09:35:27,557 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-15 09:35:27,563 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 09:35:27,564 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 09:35:27,565 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 09:35:27,686 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 09:35:27,687 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 09:35:27,687 INFO L158 Benchmark]: Toolchain (without parser) took 18973.28ms. Allocated memory was 94.4MB in the beginning and 755.0MB in the end (delta: 660.6MB). Free memory was 72.4MB in the beginning and 487.8MB in the end (delta: -415.4MB). Peak memory consumption was 244.1MB. Max. memory is 16.1GB. [2021-12-15 09:35:27,687 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 75.5MB. Free memory was 47.6MB in the beginning and 47.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 09:35:27,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 593.32ms. Allocated memory is still 94.4MB. Free memory was 72.2MB in the beginning and 50.7MB in the end (delta: 21.5MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2021-12-15 09:35:27,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.91ms. Allocated memory is still 94.4MB. Free memory was 50.7MB in the beginning and 53.2MB in the end (delta: -2.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-12-15 09:35:27,689 INFO L158 Benchmark]: Boogie Preprocessor took 107.73ms. Allocated memory is still 94.4MB. Free memory was 52.8MB in the beginning and 43.5MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 09:35:27,689 INFO L158 Benchmark]: RCFGBuilder took 1446.42ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 43.5MB in the beginning and 77.4MB in the end (delta: -33.8MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2021-12-15 09:35:27,690 INFO L158 Benchmark]: TraceAbstraction took 16530.85ms. Allocated memory was 123.7MB in the beginning and 755.0MB in the end (delta: 631.2MB). Free memory was 76.7MB in the beginning and 513.0MB in the end (delta: -436.3MB). Peak memory consumption was 418.9MB. Max. memory is 16.1GB. [2021-12-15 09:35:27,690 INFO L158 Benchmark]: Witness Printer took 155.37ms. Allocated memory is still 755.0MB. Free memory was 513.0MB in the beginning and 487.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 09:35:27,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 75.5MB. Free memory was 47.6MB in the beginning and 47.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 593.32ms. Allocated memory is still 94.4MB. Free memory was 72.2MB in the beginning and 50.7MB in the end (delta: 21.5MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 132.91ms. Allocated memory is still 94.4MB. Free memory was 50.7MB in the beginning and 53.2MB in the end (delta: -2.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.73ms. Allocated memory is still 94.4MB. Free memory was 52.8MB in the beginning and 43.5MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1446.42ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 43.5MB in the beginning and 77.4MB in the end (delta: -33.8MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * TraceAbstraction took 16530.85ms. Allocated memory was 123.7MB in the beginning and 755.0MB in the end (delta: 631.2MB). Free memory was 76.7MB in the beginning and 513.0MB in the end (delta: -436.3MB). Peak memory consumption was 418.9MB. Max. memory is 16.1GB. * Witness Printer took 155.37ms. Allocated memory is still 755.0MB. Free memory was 513.0MB in the beginning and 487.8MB in the end (delta: 25.2MB). 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: 214]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.5s, OverallIterations: 14, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 11.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2088 SdHoareTripleChecker+Valid, 9.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2088 mSDsluCounter, 2831 SdHoareTripleChecker+Invalid, 7.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 315 mSDsCounter, 1427 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7963 IncrementalHoareTripleChecker+Invalid, 9390 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1427 mSolverCounterUnsat, 2516 mSDtfsCounter, 7963 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17193occurred in iteration=13, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 4848 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 175 NumberOfFragments, 221 HoareAnnotationTreeSize, 3 FomulaSimplifications, 626 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3780 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 3716 NumberOfCodeBlocks, 3716 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3702 ConstructedInterpolants, 0 QuantifiedInterpolants, 7412 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 3037/3037 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: ((((((((((a25 == 10 && a23 + 599772 <= 0) && a4 == 1) || ((0 <= a23 + 42 && a23 <= 312) && a8 <= 15)) || ((a25 == 10 && a8 <= 15) && a29 <= 130)) || ((a23 <= 312 && a8 <= 15) && a25 == 11)) || ((a25 == 10 && a8 <= 15) && a4 == 1)) || (a25 == 12 && a8 <= 15)) || ((0 <= a23 + 42 && a8 <= 15) && a4 == 1)) || ((a8 <= 15 && a29 <= 245) && a4 == 1)) || (((a23 <= 312 && a8 <= 15) && a25 <= 10) && a29 <= 130)) || (((277 < a29 && a23 <= 312) && a8 <= 15) && a25 <= 10) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((a25 == 10 && a23 + 599772 <= 0) && a4 == 1) || ((0 <= a23 + 42 && a23 <= 312) && a8 <= 15)) || ((a25 == 10 && a8 <= 15) && a29 <= 130)) || ((a23 <= 312 && a8 <= 15) && a25 == 11)) || ((a25 == 10 && a8 <= 15) && a4 == 1)) || (a25 == 12 && a8 <= 15)) || ((0 <= a23 + 42 && a8 <= 15) && a4 == 1)) || ((a8 <= 15 && a29 <= 245) && a4 == 1)) || (((a23 <= 312 && a8 <= 15) && a25 <= 10) && a29 <= 130)) || (((277 < a29 && a23 <= 312) && a8 <= 15) && a25 <= 10) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-15 09:35:27,727 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