./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label25.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem16_label25.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 b3a00e8e91353fe2867235d39a21deaf6e027bf890f337090cb073a769f36f77 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-15 22:56:45,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 22:56:45,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 22:56:45,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 22:56:45,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 22:56:45,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 22:56:45,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 22:56:45,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 22:56:45,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 22:56:45,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 22:56:45,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 22:56:45,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 22:56:45,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 22:56:45,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 22:56:45,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 22:56:45,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 22:56:45,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 22:56:45,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 22:56:45,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 22:56:45,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 22:56:45,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 22:56:45,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 22:56:45,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 22:56:45,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 22:56:45,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 22:56:45,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 22:56:45,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 22:56:45,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 22:56:45,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 22:56:45,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 22:56:45,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 22:56:45,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 22:56:45,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 22:56:45,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 22:56:45,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 22:56:45,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 22:56:45,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 22:56:45,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 22:56:45,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 22:56:45,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 22:56:45,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 22:56:45,359 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 22:56:45,383 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 22:56:45,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 22:56:45,388 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 22:56:45,388 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 22:56:45,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 22:56:45,389 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 22:56:45,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 22:56:45,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 22:56:45,389 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 22:56:45,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 22:56:45,390 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 22:56:45,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 22:56:45,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 22:56:45,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 22:56:45,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 22:56:45,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 22:56:45,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 22:56:45,391 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 22:56:45,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 22:56:45,391 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 22:56:45,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 22:56:45,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 22:56:45,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 22:56:45,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 22:56:45,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 22:56:45,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 22:56:45,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 22:56:45,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 22:56:45,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 22:56:45,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 22:56:45,393 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 22:56:45,393 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 22:56:45,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 22:56:45,394 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 22:56:45,394 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3a00e8e91353fe2867235d39a21deaf6e027bf890f337090cb073a769f36f77 [2021-12-15 22:56:45,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 22:56:45,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 22:56:45,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 22:56:45,619 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 22:56:45,619 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 22:56:45,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label25.c [2021-12-15 22:56:45,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4db1e4349/766b6fe27bc74f0aa3cc3ca82f1e150a/FLAGadc003aaf [2021-12-15 22:56:46,102 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 22:56:46,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label25.c [2021-12-15 22:56:46,117 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4db1e4349/766b6fe27bc74f0aa3cc3ca82f1e150a/FLAGadc003aaf [2021-12-15 22:56:46,126 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4db1e4349/766b6fe27bc74f0aa3cc3ca82f1e150a [2021-12-15 22:56:46,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 22:56:46,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 22:56:46,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 22:56:46,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 22:56:46,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 22:56:46,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:56:46" (1/1) ... [2021-12-15 22:56:46,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2227b399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:46, skipping insertion in model container [2021-12-15 22:56:46,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:56:46" (1/1) ... [2021-12-15 22:56:46,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 22:56:46,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 22:56:46,358 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/Problem16_label25.c[5318,5331] [2021-12-15 22:56:46,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 22:56:46,580 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 22:56:46,605 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/Problem16_label25.c[5318,5331] [2021-12-15 22:56:46,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 22:56:46,785 INFO L208 MainTranslator]: Completed translation [2021-12-15 22:56:46,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:46 WrapperNode [2021-12-15 22:56:46,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 22:56:46,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 22:56:46,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 22:56:46,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 22:56:46,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:46" (1/1) ... [2021-12-15 22:56:46,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:46" (1/1) ... [2021-12-15 22:56:46,927 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1768 [2021-12-15 22:56:46,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 22:56:46,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 22:56:46,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 22:56:46,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 22:56:46,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:46" (1/1) ... [2021-12-15 22:56:46,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:46" (1/1) ... [2021-12-15 22:56:46,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:46" (1/1) ... [2021-12-15 22:56:46,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:46" (1/1) ... [2021-12-15 22:56:47,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:46" (1/1) ... [2021-12-15 22:56:47,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:46" (1/1) ... [2021-12-15 22:56:47,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:46" (1/1) ... [2021-12-15 22:56:47,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 22:56:47,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 22:56:47,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 22:56:47,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 22:56:47,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:46" (1/1) ... [2021-12-15 22:56:47,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 22:56:47,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:56:47,130 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 22:56:47,149 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 22:56:47,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 22:56:47,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 22:56:47,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 22:56:47,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 22:56:47,205 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 22:56:47,207 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 22:56:48,459 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 22:56:48,473 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 22:56:48,473 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 22:56:48,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:56:48 BoogieIcfgContainer [2021-12-15 22:56:48,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 22:56:48,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 22:56:48,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 22:56:48,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 22:56:48,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:56:46" (1/3) ... [2021-12-15 22:56:48,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27dd4aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:56:48, skipping insertion in model container [2021-12-15 22:56:48,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:46" (2/3) ... [2021-12-15 22:56:48,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27dd4aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:56:48, skipping insertion in model container [2021-12-15 22:56:48,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:56:48" (3/3) ... [2021-12-15 22:56:48,484 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label25.c [2021-12-15 22:56:48,488 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 22:56:48,488 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 22:56:48,528 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 22:56:48,534 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 22:56:48,535 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 22:56:48,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:56:48,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-15 22:56:48,563 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:56:48,564 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] [2021-12-15 22:56:48,564 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:56:48,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:56:48,568 INFO L85 PathProgramCache]: Analyzing trace with hash 761214138, now seen corresponding path program 1 times [2021-12-15 22:56:48,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:56:48,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125485513] [2021-12-15 22:56:48,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:56:48,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:56:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:56:48,723 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 22:56:48,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:56:48,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125485513] [2021-12-15 22:56:48,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125485513] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:56:48,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:56:48,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 22:56:48,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942250619] [2021-12-15 22:56:48,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:56:48,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:56:48,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:56:48,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:56:48,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:56:48,749 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 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 22:56:50,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:56:50,008 INFO L93 Difference]: Finished difference Result 1122 states and 2103 transitions. [2021-12-15 22:56:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:56:50,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2021-12-15 22:56:50,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:56:50,022 INFO L225 Difference]: With dead ends: 1122 [2021-12-15 22:56:50,023 INFO L226 Difference]: Without dead ends: 662 [2021-12-15 22:56:50,026 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 22:56:50,029 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 337 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-15 22:56:50,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [337 Valid, 254 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-15 22:56:50,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-12-15 22:56:50,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-12-15 22:56:50,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.518910741301059) internal successors, (1004), 661 states have internal predecessors, (1004), 0 states have call successors, (0), 0 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 22:56:50,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1004 transitions. [2021-12-15 22:56:50,097 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1004 transitions. Word has length 50 [2021-12-15 22:56:50,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:56:50,098 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1004 transitions. [2021-12-15 22:56:50,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 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 22:56:50,098 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1004 transitions. [2021-12-15 22:56:50,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-12-15 22:56:50,100 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:56:50,101 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, 1, 1, 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 22:56:50,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 22:56:50,101 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:56:50,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:56:50,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1670321460, now seen corresponding path program 1 times [2021-12-15 22:56:50,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:56:50,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110641191] [2021-12-15 22:56:50,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:56:50,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:56:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:56:50,257 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:56:50,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:56:50,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110641191] [2021-12-15 22:56:50,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110641191] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:56:50,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:56:50,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:56:50,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920392329] [2021-12-15 22:56:50,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:56:50,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 22:56:50,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:56:50,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 22:56:50,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 22:56:50,262 INFO L87 Difference]: Start difference. First operand 662 states and 1004 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:56:51,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:56:51,939 INFO L93 Difference]: Finished difference Result 2309 states and 3414 transitions. [2021-12-15 22:56:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 22:56:51,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2021-12-15 22:56:51,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:56:51,945 INFO L225 Difference]: With dead ends: 2309 [2021-12-15 22:56:51,945 INFO L226 Difference]: Without dead ends: 1649 [2021-12-15 22:56:51,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-15 22:56:51,947 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 1002 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 1496 mSolverCounterSat, 495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 1991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 495 IncrementalHoareTripleChecker+Valid, 1496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:56:51,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1002 Valid, 42 Invalid, 1991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [495 Valid, 1496 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-15 22:56:51,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2021-12-15 22:56:51,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1649. [2021-12-15 22:56:51,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1648 states have (on average 1.4016990291262137) internal successors, (2310), 1648 states have internal predecessors, (2310), 0 states have call successors, (0), 0 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 22:56:51,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2310 transitions. [2021-12-15 22:56:51,974 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2310 transitions. Word has length 118 [2021-12-15 22:56:51,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:56:51,974 INFO L470 AbstractCegarLoop]: Abstraction has 1649 states and 2310 transitions. [2021-12-15 22:56:51,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:56:51,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2310 transitions. [2021-12-15 22:56:51,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-12-15 22:56:51,978 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:56:51,979 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:56:51,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 22:56:51,979 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:56:51,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:56:51,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1219119899, now seen corresponding path program 1 times [2021-12-15 22:56:51,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:56:51,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395648699] [2021-12-15 22:56:51,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:56:51,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:56:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:56:52,100 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:56:52,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:56:52,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395648699] [2021-12-15 22:56:52,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395648699] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:56:52,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:56:52,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:56:52,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461891305] [2021-12-15 22:56:52,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:56:52,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 22:56:52,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:56:52,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 22:56:52,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 22:56:52,103 INFO L87 Difference]: Start difference. First operand 1649 states and 2310 transitions. Second operand has 4 states, 4 states have (on average 45.25) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 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 22:56:53,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:56:53,112 INFO L93 Difference]: Finished difference Result 2981 states and 4291 transitions. [2021-12-15 22:56:53,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 22:56:53,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.25) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-12-15 22:56:53,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:56:53,118 INFO L225 Difference]: With dead ends: 2981 [2021-12-15 22:56:53,118 INFO L226 Difference]: Without dead ends: 1663 [2021-12-15 22:56:53,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-15 22:56:53,121 INFO L933 BasicCegarLoop]: 271 mSDtfsCounter, 409 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-15 22:56:53,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [409 Valid, 371 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 1243 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-15 22:56:53,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2021-12-15 22:56:53,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1649. [2021-12-15 22:56:53,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1648 states have (on average 1.3980582524271845) internal successors, (2304), 1648 states have internal predecessors, (2304), 0 states have call successors, (0), 0 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 22:56:53,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2304 transitions. [2021-12-15 22:56:53,171 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2304 transitions. Word has length 181 [2021-12-15 22:56:53,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:56:53,172 INFO L470 AbstractCegarLoop]: Abstraction has 1649 states and 2304 transitions. [2021-12-15 22:56:53,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.25) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 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 22:56:53,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2304 transitions. [2021-12-15 22:56:53,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-12-15 22:56:53,174 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:56:53,174 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 22:56:53,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-15 22:56:53,175 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:56:53,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:56:53,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1773128210, now seen corresponding path program 1 times [2021-12-15 22:56:53,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:56:53,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058356774] [2021-12-15 22:56:53,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:56:53,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:56:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:56:53,249 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-12-15 22:56:53,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:56:53,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058356774] [2021-12-15 22:56:53,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058356774] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:56:53,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:56:53,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 22:56:53,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089566574] [2021-12-15 22:56:53,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:56:53,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:56:53,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:56:53,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:56:53,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:56:53,252 INFO L87 Difference]: Start difference. First operand 1649 states and 2304 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 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 22:56:54,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:56:54,236 INFO L93 Difference]: Finished difference Result 4283 states and 6237 transitions. [2021-12-15 22:56:54,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:56:54,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 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 216 [2021-12-15 22:56:54,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:56:54,245 INFO L225 Difference]: With dead ends: 4283 [2021-12-15 22:56:54,245 INFO L226 Difference]: Without dead ends: 2965 [2021-12-15 22:56:54,247 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 22:56:54,254 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 359 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-15 22:56:54,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [359 Valid, 155 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-15 22:56:54,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2021-12-15 22:56:54,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2307. [2021-12-15 22:56:54,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2307 states, 2306 states have (on average 1.349956634865568) internal successors, (3113), 2306 states have internal predecessors, (3113), 0 states have call successors, (0), 0 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 22:56:54,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 3113 transitions. [2021-12-15 22:56:54,289 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 3113 transitions. Word has length 216 [2021-12-15 22:56:54,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:56:54,291 INFO L470 AbstractCegarLoop]: Abstraction has 2307 states and 3113 transitions. [2021-12-15 22:56:54,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 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 22:56:54,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 3113 transitions. [2021-12-15 22:56:54,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-12-15 22:56:54,293 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:56:54,294 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 22:56:54,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-15 22:56:54,294 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:56:54,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:56:54,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1719537283, now seen corresponding path program 1 times [2021-12-15 22:56:54,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:56:54,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897048804] [2021-12-15 22:56:54,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:56:54,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:56:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:56:54,408 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:56:54,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:56:54,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897048804] [2021-12-15 22:56:54,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897048804] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:56:54,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:56:54,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:56:54,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544967767] [2021-12-15 22:56:54,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:56:54,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:56:54,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:56:54,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:56:54,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:56:54,413 INFO L87 Difference]: Start difference. First operand 2307 states and 3113 transitions. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:56:55,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:56:55,478 INFO L93 Difference]: Finished difference Result 5599 states and 7663 transitions. [2021-12-15 22:56:55,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:56:55,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 233 [2021-12-15 22:56:55,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:56:55,488 INFO L225 Difference]: With dead ends: 5599 [2021-12-15 22:56:55,489 INFO L226 Difference]: Without dead ends: 2965 [2021-12-15 22:56:55,491 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 22:56:55,495 INFO L933 BasicCegarLoop]: 534 mSDtfsCounter, 286 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 364 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-15 22:56:55,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [286 Valid, 540 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [364 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-15 22:56:55,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2021-12-15 22:56:55,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2965. [2021-12-15 22:56:55,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2965 states, 2964 states have (on average 1.1032388663967612) internal successors, (3270), 2964 states have internal predecessors, (3270), 0 states have call successors, (0), 0 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 22:56:55,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 3270 transitions. [2021-12-15 22:56:55,539 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 3270 transitions. Word has length 233 [2021-12-15 22:56:55,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:56:55,539 INFO L470 AbstractCegarLoop]: Abstraction has 2965 states and 3270 transitions. [2021-12-15 22:56:55,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:56:55,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 3270 transitions. [2021-12-15 22:56:55,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-12-15 22:56:55,544 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:56:55,544 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:56:55,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-15 22:56:55,545 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:56:55,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:56:55,546 INFO L85 PathProgramCache]: Analyzing trace with hash -208990953, now seen corresponding path program 1 times [2021-12-15 22:56:55,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:56:55,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639326848] [2021-12-15 22:56:55,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:56:55,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:56:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:56:55,670 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-12-15 22:56:55,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:56:55,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639326848] [2021-12-15 22:56:55,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639326848] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:56:55,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:56:55,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 22:56:55,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090548811] [2021-12-15 22:56:55,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:56:55,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:56:55,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:56:55,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:56:55,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:56:55,675 INFO L87 Difference]: Start difference. First operand 2965 states and 3270 transitions. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 2 states have internal predecessors, (239), 0 states have call successors, (0), 0 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 22:56:56,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:56:56,467 INFO L93 Difference]: Finished difference Result 8231 states and 9143 transitions. [2021-12-15 22:56:56,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:56:56,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 2 states have internal predecessors, (239), 0 states have call successors, (0), 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 22:56:56,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:56:56,479 INFO L225 Difference]: With dead ends: 8231 [2021-12-15 22:56:56,480 INFO L226 Difference]: Without dead ends: 5597 [2021-12-15 22:56:56,482 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 22:56:56,483 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 98 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-15 22:56:56,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 43 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-15 22:56:56,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2021-12-15 22:56:56,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2021-12-15 22:56:56,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.0979270907791279) internal successors, (6144), 5596 states have internal predecessors, (6144), 0 states have call successors, (0), 0 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 22:56:56,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 6144 transitions. [2021-12-15 22:56:56,587 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 6144 transitions. Word has length 285 [2021-12-15 22:56:56,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:56:56,588 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 6144 transitions. [2021-12-15 22:56:56,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 2 states have internal predecessors, (239), 0 states have call successors, (0), 0 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 22:56:56,588 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 6144 transitions. [2021-12-15 22:56:56,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-12-15 22:56:56,591 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:56:56,592 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:56:56,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-15 22:56:56,592 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:56:56,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:56:56,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1991866230, now seen corresponding path program 1 times [2021-12-15 22:56:56,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:56:56,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061051032] [2021-12-15 22:56:56,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:56:56,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:56:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:56:56,711 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 95 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:56:56,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:56:56,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061051032] [2021-12-15 22:56:56,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061051032] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:56:56,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738493951] [2021-12-15 22:56:56,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:56:56,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:56:56,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:56:56,714 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:56:56,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-15 22:56:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:56:56,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 22:56:56,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:56:57,359 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-12-15 22:56:57,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:56:57,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738493951] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:56:57,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:56:57,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-15 22:56:57,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181799186] [2021-12-15 22:56:57,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:56:57,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:56:57,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:56:57,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:56:57,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:56:57,366 INFO L87 Difference]: Start difference. First operand 5597 states and 6144 transitions. Second operand has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 2 states have internal predecessors, (287), 0 states have call successors, (0), 0 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 22:56:57,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:56:57,968 INFO L93 Difference]: Finished difference Result 11850 states and 13012 transitions. [2021-12-15 22:56:57,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:56:57,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 2 states have internal predecessors, (287), 0 states have call successors, (0), 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 351 [2021-12-15 22:56:57,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:56:57,984 INFO L225 Difference]: With dead ends: 11850 [2021-12-15 22:56:57,984 INFO L226 Difference]: Without dead ends: 6584 [2021-12-15 22:56:57,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:56:57,990 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 127 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:56:57,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 31 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:56:57,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6584 states. [2021-12-15 22:56:58,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6584 to 6584. [2021-12-15 22:56:58,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6584 states, 6583 states have (on average 1.0748898678414096) internal successors, (7076), 6583 states have internal predecessors, (7076), 0 states have call successors, (0), 0 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 22:56:58,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6584 states to 6584 states and 7076 transitions. [2021-12-15 22:56:58,068 INFO L78 Accepts]: Start accepts. Automaton has 6584 states and 7076 transitions. Word has length 351 [2021-12-15 22:56:58,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:56:58,069 INFO L470 AbstractCegarLoop]: Abstraction has 6584 states and 7076 transitions. [2021-12-15 22:56:58,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 2 states have internal predecessors, (287), 0 states have call successors, (0), 0 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 22:56:58,069 INFO L276 IsEmpty]: Start isEmpty. Operand 6584 states and 7076 transitions. [2021-12-15 22:56:58,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2021-12-15 22:56:58,073 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:56:58,073 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:56:58,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-15 22:56:58,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:56:58,290 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:56:58,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:56:58,291 INFO L85 PathProgramCache]: Analyzing trace with hash -231398281, now seen corresponding path program 1 times [2021-12-15 22:56:58,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:56:58,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318753642] [2021-12-15 22:56:58,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:56:58,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:56:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:56:58,391 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-12-15 22:56:58,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:56:58,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318753642] [2021-12-15 22:56:58,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318753642] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:56:58,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:56:58,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:56:58,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397672433] [2021-12-15 22:56:58,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:56:58,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:56:58,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:56:58,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:56:58,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:56:58,394 INFO L87 Difference]: Start difference. First operand 6584 states and 7076 transitions. Second operand has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 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 22:56:59,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:56:59,037 INFO L93 Difference]: Finished difference Result 15140 states and 16325 transitions. [2021-12-15 22:56:59,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:56:59,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 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 389 [2021-12-15 22:56:59,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:56:59,083 INFO L225 Difference]: With dead ends: 15140 [2021-12-15 22:56:59,099 INFO L226 Difference]: Without dead ends: 8887 [2021-12-15 22:56:59,106 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 22:56:59,107 INFO L933 BasicCegarLoop]: 415 mSDtfsCounter, 282 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:56:59,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 421 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:56:59,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8887 states. [2021-12-15 22:56:59,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8887 to 8887. [2021-12-15 22:56:59,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8887 states, 8886 states have (on average 1.067972090929552) internal successors, (9490), 8886 states have internal predecessors, (9490), 0 states have call successors, (0), 0 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 22:56:59,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8887 states to 8887 states and 9490 transitions. [2021-12-15 22:56:59,230 INFO L78 Accepts]: Start accepts. Automaton has 8887 states and 9490 transitions. Word has length 389 [2021-12-15 22:56:59,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:56:59,231 INFO L470 AbstractCegarLoop]: Abstraction has 8887 states and 9490 transitions. [2021-12-15 22:56:59,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 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 22:56:59,232 INFO L276 IsEmpty]: Start isEmpty. Operand 8887 states and 9490 transitions. [2021-12-15 22:56:59,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2021-12-15 22:56:59,236 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:56:59,236 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:56:59,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-15 22:56:59,236 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:56:59,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:56:59,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1427750056, now seen corresponding path program 1 times [2021-12-15 22:56:59,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:56:59,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177686791] [2021-12-15 22:56:59,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:56:59,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:56:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:56:59,338 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:56:59,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:56:59,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177686791] [2021-12-15 22:56:59,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177686791] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:56:59,341 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:56:59,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:56:59,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558722478] [2021-12-15 22:56:59,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:56:59,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:56:59,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:56:59,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:56:59,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:56:59,343 INFO L87 Difference]: Start difference. First operand 8887 states and 9490 transitions. Second operand has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 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 22:57:00,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:00,104 INFO L93 Difference]: Finished difference Result 17443 states and 18647 transitions. [2021-12-15 22:57:00,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:00,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 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 444 [2021-12-15 22:57:00,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:00,116 INFO L225 Difference]: With dead ends: 17443 [2021-12-15 22:57:00,116 INFO L226 Difference]: Without dead ends: 8887 [2021-12-15 22:57:00,123 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 22:57:00,123 INFO L933 BasicCegarLoop]: 407 mSDtfsCounter, 177 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:00,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 412 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 22:57:00,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8887 states. [2021-12-15 22:57:00,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8887 to 8558. [2021-12-15 22:57:00,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8558 states, 8557 states have (on average 1.0423045459857427) internal successors, (8919), 8557 states have internal predecessors, (8919), 0 states have call successors, (0), 0 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 22:57:00,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8558 states to 8558 states and 8919 transitions. [2021-12-15 22:57:00,208 INFO L78 Accepts]: Start accepts. Automaton has 8558 states and 8919 transitions. Word has length 444 [2021-12-15 22:57:00,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:00,208 INFO L470 AbstractCegarLoop]: Abstraction has 8558 states and 8919 transitions. [2021-12-15 22:57:00,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 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 22:57:00,209 INFO L276 IsEmpty]: Start isEmpty. Operand 8558 states and 8919 transitions. [2021-12-15 22:57:00,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2021-12-15 22:57:00,215 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:00,215 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 22:57:00,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-15 22:57:00,216 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:00,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:00,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1390777810, now seen corresponding path program 1 times [2021-12-15 22:57:00,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:00,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263130357] [2021-12-15 22:57:00,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:00,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:00,354 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:57:00,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:00,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263130357] [2021-12-15 22:57:00,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263130357] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:00,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:00,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:00,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694481689] [2021-12-15 22:57:00,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:00,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 22:57:00,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:00,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 22:57:00,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 22:57:00,357 INFO L87 Difference]: Start difference. First operand 8558 states and 8919 transitions. Second operand has 4 states, 4 states have (on average 132.0) internal successors, (528), 3 states have internal predecessors, (528), 0 states have call successors, (0), 0 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 22:57:01,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:01,440 INFO L93 Difference]: Finished difference Result 23696 states and 24697 transitions. [2021-12-15 22:57:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 22:57:01,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 132.0) internal successors, (528), 3 states have internal predecessors, (528), 0 states have call successors, (0), 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 528 [2021-12-15 22:57:01,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:01,458 INFO L225 Difference]: With dead ends: 23696 [2021-12-15 22:57:01,458 INFO L226 Difference]: Without dead ends: 15469 [2021-12-15 22:57:01,478 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 22:57:01,478 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 192 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 1559 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 1668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 1559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:01,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 79 Invalid, 1668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 1559 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-15 22:57:01,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15469 states. [2021-12-15 22:57:01,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15469 to 13493. [2021-12-15 22:57:01,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13493 states, 13492 states have (on average 1.0417284316632078) internal successors, (14055), 13492 states have internal predecessors, (14055), 0 states have call successors, (0), 0 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 22:57:01,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 14055 transitions. [2021-12-15 22:57:01,616 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 14055 transitions. Word has length 528 [2021-12-15 22:57:01,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:01,617 INFO L470 AbstractCegarLoop]: Abstraction has 13493 states and 14055 transitions. [2021-12-15 22:57:01,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 132.0) internal successors, (528), 3 states have internal predecessors, (528), 0 states have call successors, (0), 0 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 22:57:01,617 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 14055 transitions. [2021-12-15 22:57:01,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2021-12-15 22:57:01,621 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:01,622 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:57:01,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-15 22:57:01,622 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:01,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:01,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1785151480, now seen corresponding path program 1 times [2021-12-15 22:57:01,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:01,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988635002] [2021-12-15 22:57:01,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:01,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:01,749 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-12-15 22:57:01,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:01,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988635002] [2021-12-15 22:57:01,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988635002] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:01,750 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:01,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:01,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92953357] [2021-12-15 22:57:01,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:01,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:01,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:01,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:01,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:01,752 INFO L87 Difference]: Start difference. First operand 13493 states and 14055 transitions. Second operand has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 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 22:57:02,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:02,459 INFO L93 Difference]: Finished difference Result 29945 states and 31225 transitions. [2021-12-15 22:57:02,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:02,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 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 548 [2021-12-15 22:57:02,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:02,477 INFO L225 Difference]: With dead ends: 29945 [2021-12-15 22:57:02,477 INFO L226 Difference]: Without dead ends: 16783 [2021-12-15 22:57:02,486 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 22:57:02,486 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 189 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:02,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 36 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:57:02,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2021-12-15 22:57:02,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 16125. [2021-12-15 22:57:02,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0390721905234432) internal successors, (16754), 16124 states have internal predecessors, (16754), 0 states have call successors, (0), 0 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 22:57:02,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16754 transitions. [2021-12-15 22:57:02,643 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16754 transitions. Word has length 548 [2021-12-15 22:57:02,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:02,644 INFO L470 AbstractCegarLoop]: Abstraction has 16125 states and 16754 transitions. [2021-12-15 22:57:02,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 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 22:57:02,644 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16754 transitions. [2021-12-15 22:57:02,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2021-12-15 22:57:02,649 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:02,649 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:57:02,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-15 22:57:02,650 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:02,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:02,650 INFO L85 PathProgramCache]: Analyzing trace with hash -131073, now seen corresponding path program 1 times [2021-12-15 22:57:02,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:02,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994323855] [2021-12-15 22:57:02,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:02,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:02,836 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 412 proven. 156 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-12-15 22:57:02,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:02,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994323855] [2021-12-15 22:57:02,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994323855] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:57:02,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114727748] [2021-12-15 22:57:02,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:02,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:57:02,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:57:02,838 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:57:02,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-15 22:57:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:02,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 22:57:02,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:57:03,715 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 459 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-12-15 22:57:03,715 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:57:03,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114727748] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:03,715 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:57:03,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-15 22:57:03,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579762442] [2021-12-15 22:57:03,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:03,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:03,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:03,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:03,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-15 22:57:03,717 INFO L87 Difference]: Start difference. First operand 16125 states and 16754 transitions. Second operand has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 0 states have call successors, (0), 0 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 22:57:04,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:04,341 INFO L93 Difference]: Finished difference Result 35209 states and 36625 transitions. [2021-12-15 22:57:04,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:04,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 0 states have call successors, (0), 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 602 [2021-12-15 22:57:04,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:04,363 INFO L225 Difference]: With dead ends: 35209 [2021-12-15 22:57:04,363 INFO L226 Difference]: Without dead ends: 19415 [2021-12-15 22:57:04,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 601 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-15 22:57:04,378 INFO L933 BasicCegarLoop]: 428 mSDtfsCounter, 173 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:04,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 434 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:57:04,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19415 states. [2021-12-15 22:57:04,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19415 to 18428. [2021-12-15 22:57:04,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18428 states, 18427 states have (on average 1.0374993216475823) internal successors, (19118), 18427 states have internal predecessors, (19118), 0 states have call successors, (0), 0 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 22:57:04,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18428 states to 18428 states and 19118 transitions. [2021-12-15 22:57:04,542 INFO L78 Accepts]: Start accepts. Automaton has 18428 states and 19118 transitions. Word has length 602 [2021-12-15 22:57:04,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:04,543 INFO L470 AbstractCegarLoop]: Abstraction has 18428 states and 19118 transitions. [2021-12-15 22:57:04,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 0 states have call successors, (0), 0 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 22:57:04,543 INFO L276 IsEmpty]: Start isEmpty. Operand 18428 states and 19118 transitions. [2021-12-15 22:57:04,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 664 [2021-12-15 22:57:04,549 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:04,549 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 22:57:04,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-15 22:57:04,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-15 22:57:04,764 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:04,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:04,764 INFO L85 PathProgramCache]: Analyzing trace with hash -279212467, now seen corresponding path program 1 times [2021-12-15 22:57:04,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:04,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548837816] [2021-12-15 22:57:04,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:04,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:04,971 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2021-12-15 22:57:04,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:04,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548837816] [2021-12-15 22:57:04,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548837816] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:04,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:04,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:04,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921829949] [2021-12-15 22:57:04,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:04,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:04,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:04,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:04,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:04,973 INFO L87 Difference]: Start difference. First operand 18428 states and 19118 transitions. Second operand has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 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 22:57:05,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:05,545 INFO L93 Difference]: Finished difference Result 36525 states and 37903 transitions. [2021-12-15 22:57:05,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:05,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 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 663 [2021-12-15 22:57:05,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:05,565 INFO L225 Difference]: With dead ends: 36525 [2021-12-15 22:57:05,566 INFO L226 Difference]: Without dead ends: 18428 [2021-12-15 22:57:05,577 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 22:57:05,578 INFO L933 BasicCegarLoop]: 413 mSDtfsCounter, 297 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:05,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [297 Valid, 419 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 22:57:05,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18428 states. [2021-12-15 22:57:05,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18428 to 17441. [2021-12-15 22:57:05,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17441 states, 17440 states have (on average 1.035091743119266) internal successors, (18052), 17440 states have internal predecessors, (18052), 0 states have call successors, (0), 0 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 22:57:05,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17441 states to 17441 states and 18052 transitions. [2021-12-15 22:57:05,738 INFO L78 Accepts]: Start accepts. Automaton has 17441 states and 18052 transitions. Word has length 663 [2021-12-15 22:57:05,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:05,738 INFO L470 AbstractCegarLoop]: Abstraction has 17441 states and 18052 transitions. [2021-12-15 22:57:05,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 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 22:57:05,738 INFO L276 IsEmpty]: Start isEmpty. Operand 17441 states and 18052 transitions. [2021-12-15 22:57:05,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1078 [2021-12-15 22:57:05,755 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:05,757 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:05,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-15 22:57:05,757 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:05,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:05,758 INFO L85 PathProgramCache]: Analyzing trace with hash -723490929, now seen corresponding path program 1 times [2021-12-15 22:57:05,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:05,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941118617] [2021-12-15 22:57:05,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:05,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:06,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 690 proven. 799 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-12-15 22:57:06,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:06,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941118617] [2021-12-15 22:57:06,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941118617] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:57:06,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922193303] [2021-12-15 22:57:06,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:06,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:57:06,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:57:06,160 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:57:06,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-15 22:57:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:06,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 1256 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 22:57:06,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:57:07,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 1057 proven. 0 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2021-12-15 22:57:07,786 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:57:07,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922193303] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:07,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:57:07,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-15 22:57:07,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696378906] [2021-12-15 22:57:07,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:07,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:07,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:07,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:07,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:57:07,788 INFO L87 Difference]: Start difference. First operand 17441 states and 18052 transitions. Second operand has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 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 22:57:08,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:08,516 INFO L93 Difference]: Finished difference Result 34551 states and 35771 transitions. [2021-12-15 22:57:08,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:08,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 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 1077 [2021-12-15 22:57:08,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:08,536 INFO L225 Difference]: With dead ends: 34551 [2021-12-15 22:57:08,536 INFO L226 Difference]: Without dead ends: 17441 [2021-12-15 22:57:08,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1081 GetRequests, 1077 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:57:08,547 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 94 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:08,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 377 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 22:57:08,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17441 states. [2021-12-15 22:57:08,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17441 to 16783. [2021-12-15 22:57:08,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.0299130020259801) internal successors, (17284), 16782 states have internal predecessors, (17284), 0 states have call successors, (0), 0 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 22:57:08,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17284 transitions. [2021-12-15 22:57:08,727 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17284 transitions. Word has length 1077 [2021-12-15 22:57:08,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:08,728 INFO L470 AbstractCegarLoop]: Abstraction has 16783 states and 17284 transitions. [2021-12-15 22:57:08,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 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 22:57:08,728 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17284 transitions. [2021-12-15 22:57:08,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1391 [2021-12-15 22:57:08,753 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:08,754 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 22:57:08,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-15 22:57:08,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:57:08,971 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:08,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:08,972 INFO L85 PathProgramCache]: Analyzing trace with hash -2009542782, now seen corresponding path program 1 times [2021-12-15 22:57:08,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:08,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064100918] [2021-12-15 22:57:08,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:08,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:09,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4062 backedges. 2503 proven. 0 refuted. 0 times theorem prover too weak. 1559 trivial. 0 not checked. [2021-12-15 22:57:09,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:09,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064100918] [2021-12-15 22:57:09,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064100918] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:09,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:09,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:09,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731233556] [2021-12-15 22:57:09,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:09,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:09,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:09,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:09,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:09,320 INFO L87 Difference]: Start difference. First operand 16783 states and 17284 transitions. Second operand has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 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 22:57:10,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:10,098 INFO L93 Difference]: Finished difference Result 33893 states and 34910 transitions. [2021-12-15 22:57:10,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:10,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 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 1390 [2021-12-15 22:57:10,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:10,115 INFO L225 Difference]: With dead ends: 33893 [2021-12-15 22:57:10,115 INFO L226 Difference]: Without dead ends: 17441 [2021-12-15 22:57:10,122 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 22:57:10,123 INFO L933 BasicCegarLoop]: 432 mSDtfsCounter, 224 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:10,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 438 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:57:10,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17441 states. [2021-12-15 22:57:10,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17441 to 17441. [2021-12-15 22:57:10,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17441 states, 17440 states have (on average 1.028841743119266) internal successors, (17943), 17440 states have internal predecessors, (17943), 0 states have call successors, (0), 0 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 22:57:10,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17441 states to 17441 states and 17943 transitions. [2021-12-15 22:57:10,260 INFO L78 Accepts]: Start accepts. Automaton has 17441 states and 17943 transitions. Word has length 1390 [2021-12-15 22:57:10,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:10,261 INFO L470 AbstractCegarLoop]: Abstraction has 17441 states and 17943 transitions. [2021-12-15 22:57:10,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 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 22:57:10,261 INFO L276 IsEmpty]: Start isEmpty. Operand 17441 states and 17943 transitions. [2021-12-15 22:57:10,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1429 [2021-12-15 22:57:10,283 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:10,284 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:57:10,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-15 22:57:10,284 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:10,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:10,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1145519718, now seen corresponding path program 1 times [2021-12-15 22:57:10,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:10,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360365887] [2021-12-15 22:57:10,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:10,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3823 backedges. 2719 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-12-15 22:57:10,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:10,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360365887] [2021-12-15 22:57:10,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360365887] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:10,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:10,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-15 22:57:10,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057533257] [2021-12-15 22:57:10,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:10,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 22:57:10,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:10,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 22:57:10,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:57:10,713 INFO L87 Difference]: Start difference. First operand 17441 states and 17943 transitions. Second operand has 6 states, 6 states have (on average 122.33333333333333) internal successors, (734), 6 states have internal predecessors, (734), 0 states have call successors, (0), 0 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 22:57:11,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:11,740 INFO L93 Difference]: Finished difference Result 34688 states and 35690 transitions. [2021-12-15 22:57:11,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-15 22:57:11,741 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 122.33333333333333) internal successors, (734), 6 states have internal predecessors, (734), 0 states have call successors, (0), 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 1428 [2021-12-15 22:57:11,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:11,754 INFO L225 Difference]: With dead ends: 34688 [2021-12-15 22:57:11,755 INFO L226 Difference]: Without dead ends: 17578 [2021-12-15 22:57:11,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-15 22:57:11,764 INFO L933 BasicCegarLoop]: 433 mSDtfsCounter, 515 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 1628 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 1708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:11,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [515 Valid, 573 Invalid, 1708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1628 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-15 22:57:11,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17578 states. [2021-12-15 22:57:11,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17578 to 17441. [2021-12-15 22:57:11,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17441 states, 17440 states have (on average 1.0286123853211009) internal successors, (17939), 17440 states have internal predecessors, (17939), 0 states have call successors, (0), 0 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 22:57:11,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17441 states to 17441 states and 17939 transitions. [2021-12-15 22:57:11,909 INFO L78 Accepts]: Start accepts. Automaton has 17441 states and 17939 transitions. Word has length 1428 [2021-12-15 22:57:11,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:11,910 INFO L470 AbstractCegarLoop]: Abstraction has 17441 states and 17939 transitions. [2021-12-15 22:57:11,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 122.33333333333333) internal successors, (734), 6 states have internal predecessors, (734), 0 states have call successors, (0), 0 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 22:57:11,910 INFO L276 IsEmpty]: Start isEmpty. Operand 17441 states and 17939 transitions. [2021-12-15 22:57:11,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1443 [2021-12-15 22:57:11,933 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:11,933 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-12-15 22:57:11,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-15 22:57:11,934 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:11,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:11,934 INFO L85 PathProgramCache]: Analyzing trace with hash 619475023, now seen corresponding path program 1 times [2021-12-15 22:57:11,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:11,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256492292] [2021-12-15 22:57:11,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:11,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:12,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3689 backedges. 2622 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2021-12-15 22:57:12,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:12,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256492292] [2021-12-15 22:57:12,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256492292] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:12,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:12,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 22:57:12,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68981951] [2021-12-15 22:57:12,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:12,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 22:57:12,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:12,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 22:57:12,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 22:57:12,278 INFO L87 Difference]: Start difference. First operand 17441 states and 17939 transitions. Second operand has 4 states, 4 states have (on average 183.25) internal successors, (733), 4 states have internal predecessors, (733), 0 states have call successors, (0), 0 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 22:57:13,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:13,127 INFO L93 Difference]: Finished difference Result 34583 states and 35577 transitions. [2021-12-15 22:57:13,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 22:57:13,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 183.25) internal successors, (733), 4 states have internal predecessors, (733), 0 states have call successors, (0), 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 1442 [2021-12-15 22:57:13,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:13,143 INFO L225 Difference]: With dead ends: 34583 [2021-12-15 22:57:13,144 INFO L226 Difference]: Without dead ends: 17473 [2021-12-15 22:57:13,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-15 22:57:13,153 INFO L933 BasicCegarLoop]: 432 mSDtfsCounter, 264 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:13,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 449 Invalid, 1307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 22:57:13,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17473 states. [2021-12-15 22:57:13,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17473 to 17441. [2021-12-15 22:57:13,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17441 states, 17440 states have (on average 1.0283830275229358) internal successors, (17935), 17440 states have internal predecessors, (17935), 0 states have call successors, (0), 0 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 22:57:13,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17441 states to 17441 states and 17935 transitions. [2021-12-15 22:57:13,310 INFO L78 Accepts]: Start accepts. Automaton has 17441 states and 17935 transitions. Word has length 1442 [2021-12-15 22:57:13,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:13,310 INFO L470 AbstractCegarLoop]: Abstraction has 17441 states and 17935 transitions. [2021-12-15 22:57:13,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 183.25) internal successors, (733), 4 states have internal predecessors, (733), 0 states have call successors, (0), 0 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 22:57:13,311 INFO L276 IsEmpty]: Start isEmpty. Operand 17441 states and 17935 transitions. [2021-12-15 22:57:13,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1445 [2021-12-15 22:57:13,331 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:13,332 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:13,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-15 22:57:13,332 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:13,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:13,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1292040295, now seen corresponding path program 1 times [2021-12-15 22:57:13,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:13,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142735909] [2021-12-15 22:57:13,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:13,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:13,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4057 backedges. 1281 proven. 0 refuted. 0 times theorem prover too weak. 2776 trivial. 0 not checked. [2021-12-15 22:57:13,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:13,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142735909] [2021-12-15 22:57:13,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142735909] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:13,808 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:13,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:13,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059376822] [2021-12-15 22:57:13,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:13,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:13,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:13,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:13,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:13,810 INFO L87 Difference]: Start difference. First operand 17441 states and 17935 transitions. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 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 22:57:14,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:14,599 INFO L93 Difference]: Finished difference Result 35538 states and 36540 transitions. [2021-12-15 22:57:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:14,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 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 1444 [2021-12-15 22:57:14,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:14,615 INFO L225 Difference]: With dead ends: 35538 [2021-12-15 22:57:14,615 INFO L226 Difference]: Without dead ends: 16783 [2021-12-15 22:57:14,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:14,626 INFO L933 BasicCegarLoop]: 415 mSDtfsCounter, 168 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:14,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 421 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 22:57:14,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2021-12-15 22:57:14,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 16125. [2021-12-15 22:57:14,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0231332175638799) internal successors, (16497), 16124 states have internal predecessors, (16497), 0 states have call successors, (0), 0 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 22:57:14,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16497 transitions. [2021-12-15 22:57:14,807 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16497 transitions. Word has length 1444 [2021-12-15 22:57:14,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:14,808 INFO L470 AbstractCegarLoop]: Abstraction has 16125 states and 16497 transitions. [2021-12-15 22:57:14,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 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 22:57:14,808 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16497 transitions. [2021-12-15 22:57:14,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1903 [2021-12-15 22:57:14,849 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:14,850 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:14,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-15 22:57:14,851 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:14,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:14,851 INFO L85 PathProgramCache]: Analyzing trace with hash 638584029, now seen corresponding path program 1 times [2021-12-15 22:57:14,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:14,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872412758] [2021-12-15 22:57:14,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:14,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:15,430 INFO L134 CoverageAnalysis]: Checked inductivity of 6721 backedges. 2812 proven. 0 refuted. 0 times theorem prover too weak. 3909 trivial. 0 not checked. [2021-12-15 22:57:15,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:15,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872412758] [2021-12-15 22:57:15,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872412758] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:15,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:15,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:15,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910943348] [2021-12-15 22:57:15,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:15,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:15,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:15,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:15,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:15,435 INFO L87 Difference]: Start difference. First operand 16125 states and 16497 transitions. Second operand has 3 states, 3 states have (on average 211.66666666666666) internal successors, (635), 3 states have internal predecessors, (635), 0 states have call successors, (0), 0 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 22:57:16,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:16,178 INFO L93 Difference]: Finished difference Result 31590 states and 32327 transitions. [2021-12-15 22:57:16,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:16,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 211.66666666666666) internal successors, (635), 3 states have internal predecessors, (635), 0 states have call successors, (0), 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 1902 [2021-12-15 22:57:16,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:16,193 INFO L225 Difference]: With dead ends: 31590 [2021-12-15 22:57:16,194 INFO L226 Difference]: Without dead ends: 16125 [2021-12-15 22:57:16,197 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 22:57:16,200 INFO L933 BasicCegarLoop]: 420 mSDtfsCounter, 210 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:16,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 426 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:57:16,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2021-12-15 22:57:16,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 15138. [2021-12-15 22:57:16,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15138 states, 15137 states have (on average 1.0181674043733897) internal successors, (15412), 15137 states have internal predecessors, (15412), 0 states have call successors, (0), 0 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 22:57:16,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15138 states to 15138 states and 15412 transitions. [2021-12-15 22:57:16,343 INFO L78 Accepts]: Start accepts. Automaton has 15138 states and 15412 transitions. Word has length 1902 [2021-12-15 22:57:16,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:16,344 INFO L470 AbstractCegarLoop]: Abstraction has 15138 states and 15412 transitions. [2021-12-15 22:57:16,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.66666666666666) internal successors, (635), 3 states have internal predecessors, (635), 0 states have call successors, (0), 0 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 22:57:16,344 INFO L276 IsEmpty]: Start isEmpty. Operand 15138 states and 15412 transitions. [2021-12-15 22:57:16,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2043 [2021-12-15 22:57:16,377 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:16,380 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:16,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-15 22:57:16,380 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:16,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:16,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1050372617, now seen corresponding path program 1 times [2021-12-15 22:57:16,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:16,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751356883] [2021-12-15 22:57:16,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:16,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:16,976 INFO L134 CoverageAnalysis]: Checked inductivity of 8285 backedges. 3929 proven. 0 refuted. 0 times theorem prover too weak. 4356 trivial. 0 not checked. [2021-12-15 22:57:16,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:16,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751356883] [2021-12-15 22:57:16,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751356883] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:16,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:16,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:16,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184704344] [2021-12-15 22:57:16,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:16,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:16,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:16,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:16,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:16,979 INFO L87 Difference]: Start difference. First operand 15138 states and 15412 transitions. Second operand has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 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 22:57:17,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:17,474 INFO L93 Difference]: Finished difference Result 30601 states and 31145 transitions. [2021-12-15 22:57:17,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:17,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 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 2042 [2021-12-15 22:57:17,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:17,476 INFO L225 Difference]: With dead ends: 30601 [2021-12-15 22:57:17,476 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 22:57:17,485 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 22:57:17,486 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 104 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:17,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 407 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-15 22:57:17,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 22:57:17,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 22:57:17,487 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 22:57:17,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 22:57:17,487 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2042 [2021-12-15 22:57:17,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:17,488 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 22:57:17,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 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 22:57:17,488 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 22:57:17,488 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 22:57:17,490 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 22:57:17,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-15 22:57:17,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 22:57:20,172 INFO L858 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,172 INFO L858 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,173 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,173 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,173 INFO L858 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,173 INFO L858 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,182 INFO L858 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,182 INFO L858 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,182 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,183 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,183 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,183 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,183 INFO L858 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,183 INFO L858 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,183 INFO L858 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,183 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-12-15 22:57:20,183 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-15 22:57:20,184 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-12-15 22:57:20,184 INFO L858 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,184 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,184 INFO L858 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,184 INFO L858 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,184 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,184 INFO L858 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,184 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,184 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,184 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,185 INFO L858 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,185 INFO L858 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,185 INFO L858 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,185 INFO L858 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,185 INFO L858 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,185 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,185 INFO L858 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,185 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,185 INFO L858 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,185 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-15 22:57:20,186 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-12-15 22:57:20,186 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-12-15 22:57:20,186 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,186 INFO L858 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,186 INFO L858 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,186 INFO L858 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,186 INFO L858 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,186 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,186 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,187 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,188 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,188 INFO L858 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,188 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-12-15 22:57:20,188 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-15 22:57:20,188 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-12-15 22:57:20,189 INFO L858 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,189 INFO L858 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,189 INFO L858 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,189 INFO L858 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,189 INFO L858 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,189 INFO L858 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,189 INFO L858 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,189 INFO L858 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,189 INFO L858 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,189 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,190 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,190 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,190 INFO L858 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,190 INFO L858 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,190 INFO L858 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,190 INFO L858 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,190 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,190 INFO L858 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,190 INFO L858 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,190 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-12-15 22:57:20,191 INFO L858 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,191 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-15 22:57:20,191 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-12-15 22:57:20,192 INFO L854 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse18 (+ ~a18~0 87))) (let ((.cse8 (<= .cse18 0)) (.cse7 (= ~a12~0 5)) (.cse0 (= ~a16~0 12)) (.cse12 (= ~a15~0 4)) (.cse13 (= ~a16~0 8)) (.cse14 (<= (+ ~a18~0 156) 0)) (.cse15 (= 8 ~a12~0)) (.cse4 (<= ~a16~0 8)) (.cse16 (= ~a16~0 9)) (.cse17 (<= 9 ~a12~0)) (.cse11 (<= ~a12~0 5)) (.cse10 (<= ~a16~0 11)) (.cse1 (= ~a15~0 3)) (.cse2 (<= 0 .cse18)) (.cse3 (<= 7 ~a12~0)) (.cse5 (= ~a12~0 6)) (.cse9 (= 10 ~a16~0)) (.cse6 (<= 4 ~a15~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse4 .cse5 .cse6) (and .cse4 .cse1) (and .cse7 (not (= 6 |ULTIMATE.start_calculate_output_~input#1|)) (= ~a16~0 11) .cse1 .cse8 .cse2) (and .cse5 .cse1 .cse9) (and .cse10 .cse1 (<= 83 ~a18~0) .cse11) (and .cse5 .cse10 .cse1 .cse8) (and .cse12 .cse7 .cse13) (and .cse0 .cse1 .cse11) (and .cse1 .cse9 .cse3) (and .cse4 .cse14 .cse6 .cse15) (and .cse4 .cse6 .cse2 .cse15) (and (<= ~a12~0 7) .cse10 .cse1 .cse3) (and .cse12 .cse13 (not (= 3 |ULTIMATE.start_calculate_output_~input#1|)) (= ~a12~0 7)) (and .cse1 .cse9 .cse11 .cse2) (and .cse16 .cse1 .cse11) (and .cse14 .cse1 .cse10 .cse15) (and .cse4 .cse17 .cse6) (and .cse16 .cse6) (and .cse1 .cse10 .cse17) (and .cse9 .cse6 .cse11) (and .cse10 .cse1 .cse2 .cse3) (and .cse5 .cse9 .cse6)))) [2021-12-15 22:57:20,192 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,193 INFO L858 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,193 INFO L858 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,193 INFO L858 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,193 INFO L858 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,193 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,193 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,193 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,193 INFO L858 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,193 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,193 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-12-15 22:57:20,194 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-12-15 22:57:20,194 INFO L858 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,194 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-12-15 22:57:20,194 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,194 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,194 INFO L858 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,194 INFO L858 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,194 INFO L858 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,194 INFO L858 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,194 INFO L858 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,195 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,195 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,195 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,195 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,195 INFO L858 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,195 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,195 INFO L858 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,195 INFO L858 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,195 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,196 INFO L858 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,196 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-12-15 22:57:20,196 INFO L858 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,196 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-12-15 22:57:20,196 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-12-15 22:57:20,196 INFO L858 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,196 INFO L858 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,196 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,196 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,196 INFO L858 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,197 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,197 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,197 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,197 INFO L858 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,197 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,197 INFO L858 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,197 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-15 22:57:20,197 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-12-15 22:57:20,197 INFO L858 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,197 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-12-15 22:57:20,198 INFO L858 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,198 INFO L854 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse19 (+ ~a18~0 87))) (let ((.cse8 (= ~a12~0 5)) (.cse0 (= ~a16~0 12)) (.cse10 (<= (+ ~a18~0 156) 0)) (.cse12 (= ~a12~0 8)) (.cse9 (<= .cse19 0)) (.cse15 (= ~a15~0 4)) (.cse16 (= ~a16~0 8)) (.cse14 (not (= 3 |ULTIMATE.start_calculate_output_~input#1|))) (.cse5 (<= ~a16~0 8)) (.cse17 (= ~a16~0 9)) (.cse18 (<= 9 ~a12~0)) (.cse13 (<= ~a12~0 5)) (.cse6 (= ~a12~0 6)) (.cse4 (= 10 ~a16~0)) (.cse7 (<= 4 ~a15~0)) (.cse1 (= ~a15~0 3)) (.cse11 (<= ~a16~0 11)) (.cse2 (<= 0 .cse19)) (.cse3 (<= 7 ~a12~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse4 .cse1 .cse3) (and .cse5 .cse6 .cse7) (and .cse5 .cse1) (and .cse8 (not (= 6 |ULTIMATE.start_calculate_output_~input#1|)) (= ~a16~0 11) .cse1 .cse9 .cse2) (and .cse10 .cse1 .cse11 .cse12) (and .cse11 .cse1 (<= 83 ~a18~0) .cse13) (and (or (<= ~a18~0 134) .cse14) .cse15 .cse8 .cse16) (and .cse6 .cse4 .cse1) (and .cse0 .cse1 .cse13) (and .cse5 .cse10 .cse7 .cse12) (and .cse6 .cse1 .cse11 .cse9) (and .cse4 .cse1 .cse13 .cse2) (and .cse5 .cse7 .cse2 (= 8 ~a12~0)) (and .cse15 .cse16 .cse14 (= ~a12~0 7)) (and .cse17 .cse1 .cse13) (and .cse5 .cse18 .cse7) (and (<= ~a12~0 7) .cse1 .cse11 .cse3) (and .cse17 .cse7) (and .cse1 .cse11 .cse18) (and .cse4 .cse7 .cse13) (and .cse6 .cse4 .cse7) (and .cse1 .cse11 .cse2 .cse3)))) [2021-12-15 22:57:20,198 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,198 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,198 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,198 INFO L858 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,198 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,198 INFO L858 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,199 INFO L858 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,199 INFO L858 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,199 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 22:57:20,199 INFO L858 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,199 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,199 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,199 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,200 INFO L858 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,200 INFO L858 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,200 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-12-15 22:57:20,200 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,200 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-15 22:57:20,200 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-12-15 22:57:20,200 INFO L858 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,200 INFO L861 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-12-15 22:57:20,200 INFO L858 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,201 INFO L858 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,201 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,201 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,201 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,201 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,201 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,201 INFO L858 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,201 INFO L858 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,201 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,201 INFO L858 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,202 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-15 22:57:20,202 INFO L858 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,202 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-12-15 22:57:20,202 INFO L858 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,202 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-12-15 22:57:20,202 INFO L858 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,202 INFO L858 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,202 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,202 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,203 INFO L858 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,203 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,203 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,203 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,203 INFO L858 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,203 INFO L858 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,204 INFO L858 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,204 INFO L858 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,204 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,204 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,204 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,204 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,204 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-15 22:57:20,204 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-12-15 22:57:20,204 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-12-15 22:57:20,204 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 22:57:20,205 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 167) no Hoare annotation was computed. [2021-12-15 22:57:20,205 INFO L854 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse18 (+ ~a18~0 87))) (let ((.cse0 (= ~a16~0 12)) (.cse11 (= ~a15~0 4)) (.cse13 (= ~a16~0 8)) (.cse12 (= ~a12~0 5)) (.cse10 (<= .cse18 0)) (.cse14 (<= (+ ~a18~0 156) 0)) (.cse15 (= 8 ~a12~0)) (.cse4 (<= ~a16~0 8)) (.cse16 (= ~a16~0 9)) (.cse17 (<= 9 ~a12~0)) (.cse9 (<= ~a12~0 5)) (.cse8 (<= ~a16~0 11)) (.cse1 (= ~a15~0 3)) (.cse2 (<= 0 .cse18)) (.cse3 (<= 7 ~a12~0)) (.cse5 (= ~a12~0 6)) (.cse7 (= 10 ~a16~0)) (.cse6 (<= 4 ~a15~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse4 .cse5 .cse6) (and .cse4 .cse1) (and .cse5 .cse1 .cse7) (and .cse8 .cse1 (<= 83 ~a18~0) .cse9) (and .cse5 .cse8 .cse1 .cse10) (and .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse9) (and .cse1 .cse7 .cse3) (and .cse7 .cse1 .cse9 .cse2) (and .cse4 .cse14 .cse6 .cse15) (and .cse4 .cse6 .cse2 .cse15) (and (<= ~a12~0 7) .cse8 .cse1 .cse3) (and .cse11 .cse13 (not (= 3 |ULTIMATE.start_calculate_output_~input#1|)) (= ~a12~0 7)) (and .cse12 (= ~a16~0 11) .cse1 .cse10 .cse2) (and .cse16 .cse1 .cse9) (and .cse14 .cse1 .cse8 .cse15) (and .cse4 .cse17 .cse6) (and .cse16 .cse6) (and .cse1 .cse8 .cse17) (and .cse7 .cse6 .cse9) (and .cse8 .cse1 .cse2 .cse3) (and .cse5 .cse7 .cse6)))) [2021-12-15 22:57:20,205 INFO L858 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,205 INFO L858 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,205 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,205 INFO L858 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,205 INFO L858 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,205 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,206 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,206 INFO L858 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,206 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,206 INFO L858 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,206 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,206 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,206 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,206 INFO L858 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,206 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-15 22:57:20,207 INFO L858 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,207 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-12-15 22:57:20,207 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-12-15 22:57:20,207 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,207 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,207 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,207 INFO L858 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,207 INFO L858 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,207 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,207 INFO L858 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,208 INFO L858 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,208 INFO L858 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,208 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,208 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,208 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,208 INFO L858 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-12-15 22:57:20,208 INFO L858 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,208 INFO L858 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,208 INFO L858 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,208 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,209 INFO L858 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,209 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-15 22:57:20,209 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-12-15 22:57:20,209 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-12-15 22:57:20,209 INFO L858 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,209 INFO L858 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,209 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,209 INFO L858 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,209 INFO L858 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,209 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,210 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,210 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,210 INFO L858 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,210 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,210 INFO L858 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,210 INFO L858 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,210 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,210 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-15 22:57:20,210 INFO L858 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,210 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-15 22:57:20,211 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-12-15 22:57:20,211 INFO L858 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,211 INFO L858 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,211 INFO L858 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,212 INFO L858 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,212 INFO L858 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,212 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,212 INFO L858 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,212 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,213 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,213 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,213 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,213 INFO L858 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,214 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,214 INFO L858 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,214 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-15 22:57:20,214 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-12-15 22:57:20,215 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-12-15 22:57:20,215 INFO L858 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,215 INFO L858 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,215 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,215 INFO L858 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,215 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,215 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,215 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,215 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,215 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,216 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,216 INFO L858 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,216 INFO L858 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,216 INFO L858 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,216 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,216 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-15 22:57:20,216 INFO L858 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,216 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-12-15 22:57:20,216 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-12-15 22:57:20,216 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,217 INFO L858 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,217 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,217 INFO L858 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,217 INFO L858 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,217 INFO L858 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,217 INFO L858 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,217 INFO L858 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,217 INFO L858 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,217 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,217 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,217 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,218 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,218 INFO L858 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,218 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-12-15 22:57:20,218 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-15 22:57:20,218 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-12-15 22:57:20,218 INFO L858 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,218 INFO L858 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,218 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,218 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,218 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,219 INFO L858 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,219 INFO L858 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,219 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,219 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,219 INFO L858 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,219 INFO L858 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,219 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,219 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,219 INFO L858 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,219 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 22:57:20,220 INFO L858 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,220 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-15 22:57:20,220 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-12-15 22:57:20,220 INFO L858 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,220 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,220 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,220 INFO L858 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,220 INFO L858 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,220 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,220 INFO L858 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,221 INFO L858 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,221 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,221 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,221 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,221 INFO L858 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,221 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-15 22:57:20,221 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-12-15 22:57:20,221 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,221 INFO L858 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,221 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,222 INFO L858 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,222 INFO L858 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,222 INFO L858 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,222 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,222 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,222 INFO L858 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,222 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,222 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,222 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,222 INFO L858 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,223 INFO L858 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,223 INFO L858 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,223 INFO L858 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,223 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-15 22:57:20,223 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-15 22:57:20,223 INFO L858 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,223 INFO L858 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,223 INFO L858 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,223 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,223 INFO L858 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,224 INFO L858 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,224 INFO L858 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,224 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,224 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,224 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 22:57:20,224 INFO L858 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,224 INFO L858 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,224 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-12-15 22:57:20,224 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-12-15 22:57:20,224 INFO L858 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,225 INFO L858 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,225 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,225 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,225 INFO L858 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,225 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,225 INFO L858 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,225 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,225 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,225 INFO L858 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,225 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,225 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,226 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,226 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,226 INFO L858 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,226 INFO L858 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,226 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,226 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-15 22:57:20,226 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-12-15 22:57:20,226 INFO L858 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,226 INFO L858 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,226 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,227 INFO L858 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,227 INFO L858 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,227 INFO L858 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,227 INFO L858 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-12-15 22:57:20,227 INFO L858 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,227 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,227 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,227 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-12-15 22:57:20,227 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:57:20,227 INFO L858 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,228 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,228 INFO L858 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-12-15 22:57:20,228 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-12-15 22:57:20,228 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-12-15 22:57:20,228 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-12-15 22:57:20,232 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:20,233 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 22:57:20,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:57:20 BoogieIcfgContainer [2021-12-15 22:57:20,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 22:57:20,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 22:57:20,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 22:57:20,261 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 22:57:20,262 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:56:48" (3/4) ... [2021-12-15 22:57:20,264 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 22:57:20,308 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-15 22:57:20,311 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 22:57:20,312 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 22:57:20,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 22:57:20,411 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 22:57:20,411 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 22:57:20,411 INFO L158 Benchmark]: Toolchain (without parser) took 34282.74ms. Allocated memory was 138.4MB in the beginning and 1.1GB in the end (delta: 968.9MB). Free memory was 102.0MB in the beginning and 435.4MB in the end (delta: -333.4MB). Peak memory consumption was 636.8MB. Max. memory is 16.1GB. [2021-12-15 22:57:20,412 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 36.9MB in the beginning and 36.8MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 22:57:20,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 656.45ms. Allocated memory is still 138.4MB. Free memory was 101.6MB in the beginning and 64.6MB in the end (delta: 37.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-15 22:57:20,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 140.96ms. Allocated memory is still 138.4MB. Free memory was 64.6MB in the beginning and 99.2MB in the end (delta: -34.6MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2021-12-15 22:57:20,412 INFO L158 Benchmark]: Boogie Preprocessor took 177.02ms. Allocated memory was 138.4MB in the beginning and 209.7MB in the end (delta: 71.3MB). Free memory was 98.6MB in the beginning and 161.2MB in the end (delta: -62.6MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-12-15 22:57:20,412 INFO L158 Benchmark]: RCFGBuilder took 1369.29ms. Allocated memory is still 209.7MB. Free memory was 161.2MB in the beginning and 129.2MB in the end (delta: 32.0MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. [2021-12-15 22:57:20,413 INFO L158 Benchmark]: TraceAbstraction took 31782.77ms. Allocated memory was 209.7MB in the beginning and 1.1GB in the end (delta: 897.6MB). Free memory was 129.2MB in the beginning and 474.6MB in the end (delta: -345.4MB). Peak memory consumption was 699.0MB. Max. memory is 16.1GB. [2021-12-15 22:57:20,413 INFO L158 Benchmark]: Witness Printer took 150.08ms. Allocated memory is still 1.1GB. Free memory was 474.6MB in the beginning and 435.4MB in the end (delta: 39.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-12-15 22:57:20,414 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 36.9MB in the beginning and 36.8MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 656.45ms. Allocated memory is still 138.4MB. Free memory was 101.6MB in the beginning and 64.6MB in the end (delta: 37.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 140.96ms. Allocated memory is still 138.4MB. Free memory was 64.6MB in the beginning and 99.2MB in the end (delta: -34.6MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 177.02ms. Allocated memory was 138.4MB in the beginning and 209.7MB in the end (delta: 71.3MB). Free memory was 98.6MB in the beginning and 161.2MB in the end (delta: -62.6MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1369.29ms. Allocated memory is still 209.7MB. Free memory was 161.2MB in the beginning and 129.2MB in the end (delta: 32.0MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. * TraceAbstraction took 31782.77ms. Allocated memory was 209.7MB in the beginning and 1.1GB in the end (delta: 897.6MB). Free memory was 129.2MB in the beginning and 474.6MB in the end (delta: -345.4MB). Peak memory consumption was 699.0MB. Max. memory is 16.1GB. * Witness Printer took 150.08ms. Allocated memory is still 1.1GB. Free memory was 474.6MB in the beginning and 435.4MB in the end (delta: 39.2MB). Peak memory consumption was 39.8MB. 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: 167]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.7s, OverallIterations: 20, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 17.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5507 SdHoareTripleChecker+Valid, 15.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5507 mSDsluCounter, 6328 SdHoareTripleChecker+Invalid, 12.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 359 mSDsCounter, 2704 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18797 IncrementalHoareTripleChecker+Invalid, 21501 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2704 mSolverCounterUnsat, 5969 mSDtfsCounter, 18797 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2099 GetRequests, 2058 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18428occurred in iteration=12, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 20 MinimizatonAttempts, 8081 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 174 NumberOfFragments, 878 HoareAnnotationTreeSize, 4 FomulaSimplifications, 7199 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 4 FomulaSimplificationsInter, 9289 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 17363 NumberOfCodeBlocks, 17363 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 17340 ConstructedInterpolants, 0 QuantifiedInterpolants, 46865 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2446 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 23 InterpolantComputations, 20 PerfectInterpolantSequences, 37316/38336 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1504]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((a16 == 12 && a15 == 3) && 0 <= a18 + 87) || ((a16 == 12 && a15 == 3) && 7 <= a12)) || ((10 == a16 && a15 == 3) && 7 <= a12)) || ((a16 <= 8 && a12 == 6) && 4 <= a15)) || (a16 <= 8 && a15 == 3)) || (((((a12 == 5 && !(6 == input)) && a16 == 11) && a15 == 3) && a18 + 87 <= 0) && 0 <= a18 + 87)) || (((a18 + 156 <= 0 && a15 == 3) && a16 <= 11) && a12 == 8)) || (((a16 <= 11 && a15 == 3) && 83 <= a18) && a12 <= 5)) || ((((a18 <= 134 || !(3 == input)) && a15 == 4) && a12 == 5) && a16 == 8)) || ((a12 == 6 && 10 == a16) && a15 == 3)) || ((a16 == 12 && a15 == 3) && a12 <= 5)) || (((a16 <= 8 && a18 + 156 <= 0) && 4 <= a15) && a12 == 8)) || (((a12 == 6 && a15 == 3) && a16 <= 11) && a18 + 87 <= 0)) || (((10 == a16 && a15 == 3) && a12 <= 5) && 0 <= a18 + 87)) || (((a16 <= 8 && 4 <= a15) && 0 <= a18 + 87) && 8 == a12)) || (((a15 == 4 && a16 == 8) && !(3 == input)) && a12 == 7)) || ((a16 == 9 && a15 == 3) && a12 <= 5)) || ((a16 <= 8 && 9 <= a12) && 4 <= a15)) || (((a12 <= 7 && a15 == 3) && a16 <= 11) && 7 <= a12)) || (a16 == 9 && 4 <= a15)) || ((a15 == 3 && a16 <= 11) && 9 <= a12)) || ((10 == a16 && 4 <= a15) && a12 <= 5)) || ((a12 == 6 && 10 == a16) && 4 <= a15)) || (((a15 == 3 && a16 <= 11) && 0 <= a18 + 87) && 7 <= a12) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((a16 == 12 && a15 == 3) && 0 <= a18 + 87) || ((a16 == 12 && a15 == 3) && 7 <= a12)) || ((a16 <= 8 && a12 == 6) && 4 <= a15)) || (a16 <= 8 && a15 == 3)) || ((a12 == 6 && a15 == 3) && 10 == a16)) || (((a16 <= 11 && a15 == 3) && 83 <= a18) && a12 <= 5)) || (((a12 == 6 && a16 <= 11) && a15 == 3) && a18 + 87 <= 0)) || ((a15 == 4 && a12 == 5) && a16 == 8)) || ((a16 == 12 && a15 == 3) && a12 <= 5)) || ((a15 == 3 && 10 == a16) && 7 <= a12)) || (((10 == a16 && a15 == 3) && a12 <= 5) && 0 <= a18 + 87)) || (((a16 <= 8 && a18 + 156 <= 0) && 4 <= a15) && 8 == a12)) || (((a16 <= 8 && 4 <= a15) && 0 <= a18 + 87) && 8 == a12)) || (((a12 <= 7 && a16 <= 11) && a15 == 3) && 7 <= a12)) || (((a15 == 4 && a16 == 8) && !(3 == input)) && a12 == 7)) || ((((a12 == 5 && a16 == 11) && a15 == 3) && a18 + 87 <= 0) && 0 <= a18 + 87)) || ((a16 == 9 && a15 == 3) && a12 <= 5)) || (((a18 + 156 <= 0 && a15 == 3) && a16 <= 11) && 8 == a12)) || ((a16 <= 8 && 9 <= a12) && 4 <= a15)) || (a16 == 9 && 4 <= a15)) || ((a15 == 3 && a16 <= 11) && 9 <= a12)) || ((10 == a16 && 4 <= a15) && a12 <= 5)) || (((a16 <= 11 && a15 == 3) && 0 <= a18 + 87) && 7 <= a12)) || ((a12 == 6 && 10 == a16) && 4 <= a15) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((a16 == 12 && a15 == 3) && 0 <= a18 + 87) || ((a16 == 12 && a15 == 3) && 7 <= a12)) || ((a16 <= 8 && a12 == 6) && 4 <= a15)) || (a16 <= 8 && a15 == 3)) || (((((a12 == 5 && !(6 == input)) && a16 == 11) && a15 == 3) && a18 + 87 <= 0) && 0 <= a18 + 87)) || ((a12 == 6 && a15 == 3) && 10 == a16)) || (((a16 <= 11 && a15 == 3) && 83 <= a18) && a12 <= 5)) || (((a12 == 6 && a16 <= 11) && a15 == 3) && a18 + 87 <= 0)) || ((a15 == 4 && a12 == 5) && a16 == 8)) || ((a16 == 12 && a15 == 3) && a12 <= 5)) || ((a15 == 3 && 10 == a16) && 7 <= a12)) || (((a16 <= 8 && a18 + 156 <= 0) && 4 <= a15) && 8 == a12)) || (((a16 <= 8 && 4 <= a15) && 0 <= a18 + 87) && 8 == a12)) || (((a12 <= 7 && a16 <= 11) && a15 == 3) && 7 <= a12)) || (((a15 == 4 && a16 == 8) && !(3 == input)) && a12 == 7)) || (((a15 == 3 && 10 == a16) && a12 <= 5) && 0 <= a18 + 87)) || ((a16 == 9 && a15 == 3) && a12 <= 5)) || (((a18 + 156 <= 0 && a15 == 3) && a16 <= 11) && 8 == a12)) || ((a16 <= 8 && 9 <= a12) && 4 <= a15)) || (a16 == 9 && 4 <= a15)) || ((a15 == 3 && a16 <= 11) && 9 <= a12)) || ((10 == a16 && 4 <= a15) && a12 <= 5)) || (((a16 <= 11 && a15 == 3) && 0 <= a18 + 87) && 7 <= a12)) || ((a12 == 6 && 10 == a16) && 4 <= a15) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-15 22:57:20,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE