./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label52.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label52.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 58258448060d1dd7e4bb5d8ae4d59fa53c9505b7e75cc42e4b9e13d20eabdbf0 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 09:37:05,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 09:37:05,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 09:37:05,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 09:37:05,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 09:37:05,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 09:37:05,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 09:37:05,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 09:37:05,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 09:37:05,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 09:37:05,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 09:37:05,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 09:37:05,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 09:37:05,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 09:37:05,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 09:37:05,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 09:37:05,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 09:37:05,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 09:37:05,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 09:37:05,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 09:37:05,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 09:37:05,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 09:37:05,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 09:37:05,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 09:37:05,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 09:37:05,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 09:37:05,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 09:37:05,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 09:37:05,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 09:37:05,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 09:37:05,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 09:37:05,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 09:37:05,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 09:37:05,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 09:37:05,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 09:37:05,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 09:37:05,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 09:37:05,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 09:37:05,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 09:37:05,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 09:37:05,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 09:37:05,461 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 09:37:05,491 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 09:37:05,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 09:37:05,492 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 09:37:05,492 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 09:37:05,493 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 09:37:05,494 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 09:37:05,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 09:37:05,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 09:37:05,495 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 09:37:05,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 09:37:05,496 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 09:37:05,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 09:37:05,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 09:37:05,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 09:37:05,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 09:37:05,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 09:37:05,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 09:37:05,497 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 09:37:05,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 09:37:05,498 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 09:37:05,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 09:37:05,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 09:37:05,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 09:37:05,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 09:37:05,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:37:05,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 09:37:05,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 09:37:05,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 09:37:05,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 09:37:05,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 09:37:05,501 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 09:37:05,501 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 09:37:05,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 09:37:05,502 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 09:37:05,502 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58258448060d1dd7e4bb5d8ae4d59fa53c9505b7e75cc42e4b9e13d20eabdbf0 [2021-12-15 09:37:05,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 09:37:05,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 09:37:05,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 09:37:05,790 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 09:37:05,791 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 09:37:05,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label52.c [2021-12-15 09:37:05,849 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24d646597/ffd522793c5340a8b1c2f6eb95d84948/FLAG8f04d6fcc [2021-12-15 09:37:06,340 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 09:37:06,342 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label52.c [2021-12-15 09:37:06,362 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24d646597/ffd522793c5340a8b1c2f6eb95d84948/FLAG8f04d6fcc [2021-12-15 09:37:06,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24d646597/ffd522793c5340a8b1c2f6eb95d84948 [2021-12-15 09:37:06,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 09:37:06,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 09:37:06,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 09:37:06,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 09:37:06,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 09:37:06,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:37:06" (1/1) ... [2021-12-15 09:37:06,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6047a2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:37:06, skipping insertion in model container [2021-12-15 09:37:06,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:37:06" (1/1) ... [2021-12-15 09:37:06,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 09:37:06,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 09:37:06,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label52.c[7609,7622] [2021-12-15 09:37:07,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:37:07,193 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 09:37:07,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label52.c[7609,7622] [2021-12-15 09:37:07,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:37:07,375 INFO L208 MainTranslator]: Completed translation [2021-12-15 09:37:07,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:37:07 WrapperNode [2021-12-15 09:37:07,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 09:37:07,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 09:37:07,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 09:37:07,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 09:37:07,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:37:07" (1/1) ... [2021-12-15 09:37:07,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:37:07" (1/1) ... [2021-12-15 09:37:07,510 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-12-15 09:37:07,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 09:37:07,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 09:37:07,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 09:37:07,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 09:37:07,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:37:07" (1/1) ... [2021-12-15 09:37:07,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:37:07" (1/1) ... [2021-12-15 09:37:07,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:37:07" (1/1) ... [2021-12-15 09:37:07,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:37:07" (1/1) ... [2021-12-15 09:37:07,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:37:07" (1/1) ... [2021-12-15 09:37:07,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:37:07" (1/1) ... [2021-12-15 09:37:07,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:37:07" (1/1) ... [2021-12-15 09:37:07,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 09:37:07,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 09:37:07,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 09:37:07,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 09:37:07,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:37:07" (1/1) ... [2021-12-15 09:37:07,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:37:07,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:37:07,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 09:37:07,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 09:37:07,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 09:37:07,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 09:37:07,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 09:37:07,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 09:37:07,752 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 09:37:07,753 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 09:37:08,985 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 09:37:08,992 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 09:37:08,993 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 09:37:08,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:37:08 BoogieIcfgContainer [2021-12-15 09:37:08,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 09:37:08,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 09:37:08,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 09:37:08,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 09:37:08,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:37:06" (1/3) ... [2021-12-15 09:37:08,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f9a4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:37:08, skipping insertion in model container [2021-12-15 09:37:08,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:37:07" (2/3) ... [2021-12-15 09:37:09,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f9a4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:37:08, skipping insertion in model container [2021-12-15 09:37:09,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:37:08" (3/3) ... [2021-12-15 09:37:09,001 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label52.c [2021-12-15 09:37:09,004 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 09:37:09,004 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 09:37:09,037 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 09:37:09,056 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 09:37:09,057 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 09:37:09,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:09,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-15 09:37:09,106 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:37:09,106 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:37:09,107 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:37:09,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:37:09,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1382487458, now seen corresponding path program 1 times [2021-12-15 09:37:09,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:37:09,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503397291] [2021-12-15 09:37:09,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:37:09,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:37:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:37:09,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:37:09,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:37:09,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503397291] [2021-12-15 09:37:09,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503397291] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:37:09,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:37:09,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:37:09,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918909213] [2021-12-15 09:37:09,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:37:09,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:37:09,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:37:09,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:37:09,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:09,444 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:10,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:37:10,426 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2021-12-15 09:37:10,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:37:10,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2021-12-15 09:37:10,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:37:10,445 INFO L225 Difference]: With dead ends: 761 [2021-12-15 09:37:10,446 INFO L226 Difference]: Without dead ends: 413 [2021-12-15 09:37:10,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:10,457 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 176 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-15 09:37:10,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [176 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-15 09:37:10,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-12-15 09:37:10,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2021-12-15 09:37:10,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:10,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2021-12-15 09:37:10,529 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 52 [2021-12-15 09:37:10,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:37:10,529 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2021-12-15 09:37:10,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:10,530 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2021-12-15 09:37:10,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-15 09:37:10,534 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:37:10,534 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:37:10,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 09:37:10,534 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:37:10,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:37:10,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1697477018, now seen corresponding path program 1 times [2021-12-15 09:37:10,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:37:10,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692239320] [2021-12-15 09:37:10,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:37:10,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:37:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:37:10,667 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:37:10,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:37:10,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692239320] [2021-12-15 09:37:10,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692239320] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:37:10,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:37:10,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:37:10,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379565426] [2021-12-15 09:37:10,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:37:10,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:37:10,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:37:10,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:37:10,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:10,671 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:11,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:37:11,370 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2021-12-15 09:37:11,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:37:11,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2021-12-15 09:37:11,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:37:11,375 INFO L225 Difference]: With dead ends: 1211 [2021-12-15 09:37:11,375 INFO L226 Difference]: Without dead ends: 800 [2021-12-15 09:37:11,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:11,377 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:37:11,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:37:11,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-12-15 09:37:11,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2021-12-15 09:37:11,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:11,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2021-12-15 09:37:11,417 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 120 [2021-12-15 09:37:11,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:37:11,420 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2021-12-15 09:37:11,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:11,420 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2021-12-15 09:37:11,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-15 09:37:11,430 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:37:11,431 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:37:11,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 09:37:11,434 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:37:11,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:37:11,435 INFO L85 PathProgramCache]: Analyzing trace with hash 690386357, now seen corresponding path program 1 times [2021-12-15 09:37:11,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:37:11,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616897188] [2021-12-15 09:37:11,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:37:11,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:37:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:37:11,653 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:37:11,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:37:11,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616897188] [2021-12-15 09:37:11,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616897188] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:37:11,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:37:11,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:37:11,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091067237] [2021-12-15 09:37:11,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:37:11,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 09:37:11,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:37:11,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 09:37:11,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:37:11,656 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:12,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:37:12,835 INFO L93 Difference]: Finished difference Result 2505 states and 3425 transitions. [2021-12-15 09:37:12,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 09:37:12,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2021-12-15 09:37:12,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:37:12,842 INFO L225 Difference]: With dead ends: 2505 [2021-12-15 09:37:12,842 INFO L226 Difference]: Without dead ends: 1718 [2021-12-15 09:37:12,843 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 09:37:12,844 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 483 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 1270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-15 09:37:12,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [483 Valid, 218 Invalid, 1270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-15 09:37:12,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2021-12-15 09:37:12,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1714. [2021-12-15 09:37:12,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1714 states, 1713 states have (on average 1.2259194395796849) internal successors, (2100), 1713 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:12,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1714 states and 2100 transitions. [2021-12-15 09:37:12,874 INFO L78 Accepts]: Start accepts. Automaton has 1714 states and 2100 transitions. Word has length 122 [2021-12-15 09:37:12,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:37:12,874 INFO L470 AbstractCegarLoop]: Abstraction has 1714 states and 2100 transitions. [2021-12-15 09:37:12,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:12,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2100 transitions. [2021-12-15 09:37:12,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-12-15 09:37:12,877 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:37:12,877 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:37:12,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-15 09:37:12,877 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:37:12,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:37:12,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1804040649, now seen corresponding path program 1 times [2021-12-15 09:37:12,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:37:12,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258726886] [2021-12-15 09:37:12,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:37:12,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:37:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:37:12,995 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:37:12,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:37:12,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258726886] [2021-12-15 09:37:12,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258726886] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:37:12,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:37:12,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:37:12,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558457911] [2021-12-15 09:37:12,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:37:12,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:37:12,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:37:12,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:37:12,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:13,000 INFO L87 Difference]: Start difference. First operand 1714 states and 2100 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:13,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:37:13,659 INFO L93 Difference]: Finished difference Result 4005 states and 5045 transitions. [2021-12-15 09:37:13,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:37:13,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 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 179 [2021-12-15 09:37:13,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:37:13,670 INFO L225 Difference]: With dead ends: 4005 [2021-12-15 09:37:13,670 INFO L226 Difference]: Without dead ends: 2477 [2021-12-15 09:37:13,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:13,682 INFO L933 BasicCegarLoop]: 289 mSDtfsCounter, 183 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:37:13,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 321 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:37:13,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2477 states. [2021-12-15 09:37:13,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2477 to 2474. [2021-12-15 09:37:13,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2474 states, 2473 states have (on average 1.2304892842701172) internal successors, (3043), 2473 states have internal predecessors, (3043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:13,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2474 states and 3043 transitions. [2021-12-15 09:37:13,729 INFO L78 Accepts]: Start accepts. Automaton has 2474 states and 3043 transitions. Word has length 179 [2021-12-15 09:37:13,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:37:13,730 INFO L470 AbstractCegarLoop]: Abstraction has 2474 states and 3043 transitions. [2021-12-15 09:37:13,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:13,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 3043 transitions. [2021-12-15 09:37:13,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-12-15 09:37:13,734 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:37:13,734 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 09:37:13,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-15 09:37:13,735 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:37:13,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:37:13,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1655174799, now seen corresponding path program 1 times [2021-12-15 09:37:13,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:37:13,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809825735] [2021-12-15 09:37:13,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:37:13,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:37:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:37:13,891 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-15 09:37:13,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:37:13,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809825735] [2021-12-15 09:37:13,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809825735] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:37:13,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:37:13,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:37:13,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603244901] [2021-12-15 09:37:13,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:37:13,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:37:13,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:37:13,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:37:13,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:13,894 INFO L87 Difference]: Start difference. First operand 2474 states and 3043 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:14,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:37:14,643 INFO L93 Difference]: Finished difference Result 5878 states and 7338 transitions. [2021-12-15 09:37:14,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:37:14,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2021-12-15 09:37:14,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:37:14,655 INFO L225 Difference]: With dead ends: 5878 [2021-12-15 09:37:14,656 INFO L226 Difference]: Without dead ends: 3590 [2021-12-15 09:37:14,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:14,659 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 145 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:37:14,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 392 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:37:14,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3590 states. [2021-12-15 09:37:14,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3590 to 3579. [2021-12-15 09:37:14,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3579 states, 3578 states have (on average 1.1995528228060368) internal successors, (4292), 3578 states have internal predecessors, (4292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:14,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3579 states to 3579 states and 4292 transitions. [2021-12-15 09:37:14,719 INFO L78 Accepts]: Start accepts. Automaton has 3579 states and 4292 transitions. Word has length 234 [2021-12-15 09:37:14,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:37:14,719 INFO L470 AbstractCegarLoop]: Abstraction has 3579 states and 4292 transitions. [2021-12-15 09:37:14,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:14,720 INFO L276 IsEmpty]: Start isEmpty. Operand 3579 states and 4292 transitions. [2021-12-15 09:37:14,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-12-15 09:37:14,723 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:37:14,724 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:37:14,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-15 09:37:14,724 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:37:14,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:37:14,725 INFO L85 PathProgramCache]: Analyzing trace with hash 203587778, now seen corresponding path program 1 times [2021-12-15 09:37:14,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:37:14,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91287294] [2021-12-15 09:37:14,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:37:14,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:37:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:37:14,964 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 95 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-15 09:37:14,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:37:14,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91287294] [2021-12-15 09:37:14,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91287294] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:37:14,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214078973] [2021-12-15 09:37:14,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:37:14,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:37:14,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:37:14,971 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 09:37:15,006 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 09:37:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:37:15,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 09:37:15,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:37:15,484 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-15 09:37:15,484 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:37:15,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214078973] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:37:15,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:37:15,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-12-15 09:37:15,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390511570] [2021-12-15 09:37:15,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:37:15,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:37:15,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:37:15,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:37:15,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-15 09:37:15,487 INFO L87 Difference]: Start difference. First operand 3579 states and 4292 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:16,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:37:16,226 INFO L93 Difference]: Finished difference Result 8629 states and 10566 transitions. [2021-12-15 09:37:16,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:37:16,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 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 240 [2021-12-15 09:37:16,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:37:16,243 INFO L225 Difference]: With dead ends: 8629 [2021-12-15 09:37:16,243 INFO L226 Difference]: Without dead ends: 5236 [2021-12-15 09:37:16,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-15 09:37:16,248 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 159 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:37:16,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 145 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:37:16,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5236 states. [2021-12-15 09:37:16,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5236 to 5236. [2021-12-15 09:37:16,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5236 states, 5235 states have (on average 1.2051575931232092) internal successors, (6309), 5235 states have internal predecessors, (6309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:16,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5236 states to 5236 states and 6309 transitions. [2021-12-15 09:37:16,334 INFO L78 Accepts]: Start accepts. Automaton has 5236 states and 6309 transitions. Word has length 240 [2021-12-15 09:37:16,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:37:16,334 INFO L470 AbstractCegarLoop]: Abstraction has 5236 states and 6309 transitions. [2021-12-15 09:37:16,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:16,335 INFO L276 IsEmpty]: Start isEmpty. Operand 5236 states and 6309 transitions. [2021-12-15 09:37:16,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-12-15 09:37:16,340 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:37:16,341 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:37:16,367 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 09:37:16,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-15 09:37:16,559 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:37:16,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:37:16,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1866944109, now seen corresponding path program 1 times [2021-12-15 09:37:16,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:37:16,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418333070] [2021-12-15 09:37:16,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:37:16,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:37:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:37:16,707 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-15 09:37:16,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:37:16,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418333070] [2021-12-15 09:37:16,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418333070] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:37:16,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:37:16,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:37:16,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116629139] [2021-12-15 09:37:16,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:37:16,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:37:16,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:37:16,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:37:16,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:16,710 INFO L87 Difference]: Start difference. First operand 5236 states and 6309 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:17,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:37:17,603 INFO L93 Difference]: Finished difference Result 11585 states and 14149 transitions. [2021-12-15 09:37:17,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:37:17,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 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 271 [2021-12-15 09:37:17,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:37:17,626 INFO L225 Difference]: With dead ends: 11585 [2021-12-15 09:37:17,627 INFO L226 Difference]: Without dead ends: 6535 [2021-12-15 09:37:17,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:17,634 INFO L933 BasicCegarLoop]: 369 mSDtfsCounter, 144 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-15 09:37:17,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 391 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-15 09:37:17,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6535 states. [2021-12-15 09:37:17,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6535 to 6341. [2021-12-15 09:37:17,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6341 states, 6340 states have (on average 1.1976340694006309) internal successors, (7593), 6340 states have internal predecessors, (7593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:17,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6341 states to 6341 states and 7593 transitions. [2021-12-15 09:37:17,736 INFO L78 Accepts]: Start accepts. Automaton has 6341 states and 7593 transitions. Word has length 271 [2021-12-15 09:37:17,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:37:17,737 INFO L470 AbstractCegarLoop]: Abstraction has 6341 states and 7593 transitions. [2021-12-15 09:37:17,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:17,737 INFO L276 IsEmpty]: Start isEmpty. Operand 6341 states and 7593 transitions. [2021-12-15 09:37:17,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-12-15 09:37:17,746 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:37:17,747 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:37:17,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-15 09:37:17,747 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:37:17,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:37:17,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1398635958, now seen corresponding path program 1 times [2021-12-15 09:37:17,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:37:17,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860285708] [2021-12-15 09:37:17,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:37:17,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:37:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:37:17,885 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-12-15 09:37:17,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:37:17,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860285708] [2021-12-15 09:37:17,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860285708] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:37:17,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:37:17,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:37:17,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560832589] [2021-12-15 09:37:17,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:37:17,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:37:17,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:37:17,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:37:17,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:17,888 INFO L87 Difference]: Start difference. First operand 6341 states and 7593 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:18,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:37:18,643 INFO L93 Difference]: Finished difference Result 13967 states and 16970 transitions. [2021-12-15 09:37:18,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:37:18,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 317 [2021-12-15 09:37:18,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:37:18,688 INFO L225 Difference]: With dead ends: 13967 [2021-12-15 09:37:18,688 INFO L226 Difference]: Without dead ends: 7812 [2021-12-15 09:37:18,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:18,697 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 172 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:37:18,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 152 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:37:18,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7812 states. [2021-12-15 09:37:18,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7812 to 6334. [2021-12-15 09:37:18,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6334 states, 6333 states have (on average 1.1973788094110216) internal successors, (7583), 6333 states have internal predecessors, (7583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:18,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6334 states to 6334 states and 7583 transitions. [2021-12-15 09:37:18,865 INFO L78 Accepts]: Start accepts. Automaton has 6334 states and 7583 transitions. Word has length 317 [2021-12-15 09:37:18,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:37:18,866 INFO L470 AbstractCegarLoop]: Abstraction has 6334 states and 7583 transitions. [2021-12-15 09:37:18,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:18,866 INFO L276 IsEmpty]: Start isEmpty. Operand 6334 states and 7583 transitions. [2021-12-15 09:37:18,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-12-15 09:37:18,876 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:37:18,876 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 09:37:18,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-15 09:37:18,877 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:37:18,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:37:18,877 INFO L85 PathProgramCache]: Analyzing trace with hash -2108175850, now seen corresponding path program 1 times [2021-12-15 09:37:18,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:37:18,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421356228] [2021-12-15 09:37:18,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:37:18,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:37:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:37:19,071 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 167 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:37:19,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:37:19,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421356228] [2021-12-15 09:37:19,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421356228] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:37:19,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24112642] [2021-12-15 09:37:19,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:37:19,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:37:19,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:37:19,080 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 09:37:19,111 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 09:37:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:37:19,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-15 09:37:19,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:37:21,213 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 167 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:37:21,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 09:37:23,705 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 167 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:37:23,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24112642] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 09:37:23,705 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-15 09:37:23,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-12-15 09:37:23,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974560625] [2021-12-15 09:37:23,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-15 09:37:23,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-15 09:37:23,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:37:23,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-15 09:37:23,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-12-15 09:37:23,722 INFO L87 Difference]: Start difference. First operand 6334 states and 7583 transitions. Second operand has 8 states, 8 states have (on average 74.75) internal successors, (598), 7 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:26,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:37:26,309 INFO L93 Difference]: Finished difference Result 16657 states and 19976 transitions. [2021-12-15 09:37:26,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-15 09:37:26,313 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 74.75) internal successors, (598), 7 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 336 [2021-12-15 09:37:26,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:37:26,332 INFO L225 Difference]: With dead ends: 16657 [2021-12-15 09:37:26,332 INFO L226 Difference]: Without dead ends: 10509 [2021-12-15 09:37:26,341 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 681 GetRequests, 665 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2021-12-15 09:37:26,342 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 842 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 2966 mSolverCounterSat, 534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 3500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 534 IncrementalHoareTripleChecker+Valid, 2966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-15 09:37:26,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [842 Valid, 171 Invalid, 3500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [534 Valid, 2966 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-15 09:37:26,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10509 states. [2021-12-15 09:37:26,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10509 to 6147. [2021-12-15 09:37:26,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6147 states, 6146 states have (on average 1.2002928734136022) internal successors, (7377), 6146 states have internal predecessors, (7377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:26,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6147 states to 6147 states and 7377 transitions. [2021-12-15 09:37:26,472 INFO L78 Accepts]: Start accepts. Automaton has 6147 states and 7377 transitions. Word has length 336 [2021-12-15 09:37:26,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:37:26,473 INFO L470 AbstractCegarLoop]: Abstraction has 6147 states and 7377 transitions. [2021-12-15 09:37:26,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 74.75) internal successors, (598), 7 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:26,473 INFO L276 IsEmpty]: Start isEmpty. Operand 6147 states and 7377 transitions. [2021-12-15 09:37:26,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2021-12-15 09:37:26,483 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:37:26,483 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:37:26,509 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-15 09:37:26,699 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,SelfDestructingSolverStorable8 [2021-12-15 09:37:26,700 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:37:26,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:37:26,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1398734134, now seen corresponding path program 1 times [2021-12-15 09:37:26,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:37:26,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873853732] [2021-12-15 09:37:26,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:37:26,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:37:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:37:26,873 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:37:26,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:37:26,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873853732] [2021-12-15 09:37:26,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873853732] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:37:26,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:37:26,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 09:37:26,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343491963] [2021-12-15 09:37:26,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:37:26,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 09:37:26,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:37:26,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 09:37:26,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:37:26,876 INFO L87 Difference]: Start difference. First operand 6147 states and 7377 transitions. Second operand has 4 states, 4 states have (on average 89.25) internal successors, (357), 4 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:27,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:37:27,997 INFO L93 Difference]: Finished difference Result 16172 states and 19512 transitions. [2021-12-15 09:37:27,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 09:37:27,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 89.25) internal successors, (357), 4 states have internal predecessors, (357), 0 states have call successors, (0), 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 357 [2021-12-15 09:37:27,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:37:28,012 INFO L225 Difference]: With dead ends: 16172 [2021-12-15 09:37:28,013 INFO L226 Difference]: Without dead ends: 10027 [2021-12-15 09:37:28,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:37:28,018 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 238 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1099 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 1336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 1099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-15 09:37:28,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [238 Valid, 65 Invalid, 1336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 1099 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-15 09:37:28,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10027 states. [2021-12-15 09:37:28,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10027 to 8737. [2021-12-15 09:37:28,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8737 states, 8736 states have (on average 1.1806318681318682) internal successors, (10314), 8736 states have internal predecessors, (10314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:28,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8737 states to 8737 states and 10314 transitions. [2021-12-15 09:37:28,121 INFO L78 Accepts]: Start accepts. Automaton has 8737 states and 10314 transitions. Word has length 357 [2021-12-15 09:37:28,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:37:28,121 INFO L470 AbstractCegarLoop]: Abstraction has 8737 states and 10314 transitions. [2021-12-15 09:37:28,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 89.25) internal successors, (357), 4 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:28,122 INFO L276 IsEmpty]: Start isEmpty. Operand 8737 states and 10314 transitions. [2021-12-15 09:37:28,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2021-12-15 09:37:28,138 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:37:28,138 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:37:28,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-15 09:37:28,139 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:37:28,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:37:28,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1218780311, now seen corresponding path program 1 times [2021-12-15 09:37:28,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:37:28,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781449285] [2021-12-15 09:37:28,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:37:28,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:37:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:37:28,308 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 365 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-12-15 09:37:28,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:37:28,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781449285] [2021-12-15 09:37:28,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781449285] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:37:28,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:37:28,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 09:37:28,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87116086] [2021-12-15 09:37:28,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:37:28,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 09:37:28,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:37:28,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 09:37:28,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:37:28,311 INFO L87 Difference]: Start difference. First operand 8737 states and 10314 transitions. Second operand has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:29,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:37:29,425 INFO L93 Difference]: Finished difference Result 18762 states and 22080 transitions. [2021-12-15 09:37:29,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 09:37:29,427 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 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 431 [2021-12-15 09:37:29,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:37:29,443 INFO L225 Difference]: With dead ends: 18762 [2021-12-15 09:37:29,443 INFO L226 Difference]: Without dead ends: 10027 [2021-12-15 09:37:29,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:37:29,451 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 239 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1098 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 1098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-15 09:37:29,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 64 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 1098 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-15 09:37:29,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10027 states. [2021-12-15 09:37:29,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10027 to 8737. [2021-12-15 09:37:29,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8737 states, 8736 states have (on average 1.1806318681318682) internal successors, (10314), 8736 states have internal predecessors, (10314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:29,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8737 states to 8737 states and 10314 transitions. [2021-12-15 09:37:29,556 INFO L78 Accepts]: Start accepts. Automaton has 8737 states and 10314 transitions. Word has length 431 [2021-12-15 09:37:29,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:37:29,557 INFO L470 AbstractCegarLoop]: Abstraction has 8737 states and 10314 transitions. [2021-12-15 09:37:29,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:29,558 INFO L276 IsEmpty]: Start isEmpty. Operand 8737 states and 10314 transitions. [2021-12-15 09:37:29,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2021-12-15 09:37:29,574 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:37:29,574 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:37:29,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-15 09:37:29,575 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:37:29,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:37:29,575 INFO L85 PathProgramCache]: Analyzing trace with hash -287893398, now seen corresponding path program 1 times [2021-12-15 09:37:29,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:37:29,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974660000] [2021-12-15 09:37:29,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:37:29,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:37:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:37:29,708 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-12-15 09:37:29,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:37:29,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974660000] [2021-12-15 09:37:29,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974660000] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:37:29,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:37:29,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:37:29,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493935884] [2021-12-15 09:37:29,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:37:29,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:37:29,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:37:29,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:37:29,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:29,711 INFO L87 Difference]: Start difference. First operand 8737 states and 10314 transitions. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:30,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:37:30,360 INFO L93 Difference]: Finished difference Result 17674 states and 20847 transitions. [2021-12-15 09:37:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:37:30,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 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 431 [2021-12-15 09:37:30,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:37:30,376 INFO L225 Difference]: With dead ends: 17674 [2021-12-15 09:37:30,376 INFO L226 Difference]: Without dead ends: 8939 [2021-12-15 09:37:30,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:30,384 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 107 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:37:30,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 329 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:37:30,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8939 states. [2021-12-15 09:37:30,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8939 to 8369. [2021-12-15 09:37:30,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8369 states, 8368 states have (on average 1.1512906309751434) internal successors, (9634), 8368 states have internal predecessors, (9634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:30,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8369 states to 8369 states and 9634 transitions. [2021-12-15 09:37:30,475 INFO L78 Accepts]: Start accepts. Automaton has 8369 states and 9634 transitions. Word has length 431 [2021-12-15 09:37:30,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:37:30,476 INFO L470 AbstractCegarLoop]: Abstraction has 8369 states and 9634 transitions. [2021-12-15 09:37:30,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:30,476 INFO L276 IsEmpty]: Start isEmpty. Operand 8369 states and 9634 transitions. [2021-12-15 09:37:30,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2021-12-15 09:37:30,489 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:37:30,490 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:37:30,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-15 09:37:30,490 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:37:30,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:37:30,491 INFO L85 PathProgramCache]: Analyzing trace with hash 2057046030, now seen corresponding path program 1 times [2021-12-15 09:37:30,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:37:30,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802816023] [2021-12-15 09:37:30,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:37:30,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:37:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:37:30,667 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-12-15 09:37:30,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:37:30,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802816023] [2021-12-15 09:37:30,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802816023] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:37:30,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:37:30,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:37:30,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939300487] [2021-12-15 09:37:30,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:37:30,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:37:30,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:37:30,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:37:30,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:30,670 INFO L87 Difference]: Start difference. First operand 8369 states and 9634 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:31,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:37:31,023 INFO L93 Difference]: Finished difference Result 16356 states and 18794 transitions. [2021-12-15 09:37:31,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:37:31,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 0 states have call successors, (0), 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 488 [2021-12-15 09:37:31,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:37:31,032 INFO L225 Difference]: With dead ends: 16356 [2021-12-15 09:37:31,032 INFO L226 Difference]: Without dead ends: 7989 [2021-12-15 09:37:31,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:31,041 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 179 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:37:31,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 37 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:37:31,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7989 states. [2021-12-15 09:37:31,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7989 to 7987. [2021-12-15 09:37:31,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7987 states, 7986 states have (on average 1.1461307287753568) internal successors, (9153), 7986 states have internal predecessors, (9153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:31,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7987 states to 7987 states and 9153 transitions. [2021-12-15 09:37:31,123 INFO L78 Accepts]: Start accepts. Automaton has 7987 states and 9153 transitions. Word has length 488 [2021-12-15 09:37:31,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:37:31,124 INFO L470 AbstractCegarLoop]: Abstraction has 7987 states and 9153 transitions. [2021-12-15 09:37:31,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:31,124 INFO L276 IsEmpty]: Start isEmpty. Operand 7987 states and 9153 transitions. [2021-12-15 09:37:31,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2021-12-15 09:37:31,135 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:37:31,135 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:37:31,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-15 09:37:31,136 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:37:31,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:37:31,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1680894984, now seen corresponding path program 1 times [2021-12-15 09:37:31,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:37:31,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860036212] [2021-12-15 09:37:31,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:37:31,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:37:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:37:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 427 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-15 09:37:31,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:37:31,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860036212] [2021-12-15 09:37:31,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860036212] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:37:31,324 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:37:31,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:37:31,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232539975] [2021-12-15 09:37:31,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:37:31,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:37:31,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:37:31,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:37:31,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:31,327 INFO L87 Difference]: Start difference. First operand 7987 states and 9153 transitions. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:31,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:37:31,807 INFO L93 Difference]: Finished difference Result 14289 states and 16345 transitions. [2021-12-15 09:37:31,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:37:31,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 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 504 [2021-12-15 09:37:31,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:37:31,813 INFO L225 Difference]: With dead ends: 14289 [2021-12-15 09:37:31,813 INFO L226 Difference]: Without dead ends: 6304 [2021-12-15 09:37:31,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:31,818 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 80 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-15 09:37:31,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 123 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-15 09:37:31,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6304 states. [2021-12-15 09:37:31,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6304 to 5383. [2021-12-15 09:37:31,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5383 states, 5382 states have (on average 1.1198439241917504) internal successors, (6027), 5382 states have internal predecessors, (6027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:31,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5383 states to 5383 states and 6027 transitions. [2021-12-15 09:37:31,874 INFO L78 Accepts]: Start accepts. Automaton has 5383 states and 6027 transitions. Word has length 504 [2021-12-15 09:37:31,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:37:31,874 INFO L470 AbstractCegarLoop]: Abstraction has 5383 states and 6027 transitions. [2021-12-15 09:37:31,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:31,875 INFO L276 IsEmpty]: Start isEmpty. Operand 5383 states and 6027 transitions. [2021-12-15 09:37:31,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2021-12-15 09:37:31,885 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:37:31,885 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, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:37:31,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-15 09:37:31,885 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:37:31,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:37:31,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1417577515, now seen corresponding path program 1 times [2021-12-15 09:37:31,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:37:31,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280362289] [2021-12-15 09:37:31,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:37:31,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:37:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:37:32,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 872 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2021-12-15 09:37:32,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:37:32,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280362289] [2021-12-15 09:37:32,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280362289] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:37:32,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:37:32,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:37:32,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749058065] [2021-12-15 09:37:32,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:37:32,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 09:37:32,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:37:32,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 09:37:32,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:37:32,089 INFO L87 Difference]: Start difference. First operand 5383 states and 6027 transitions. Second operand has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:33,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:37:33,080 INFO L93 Difference]: Finished difference Result 16114 states and 18046 transitions. [2021-12-15 09:37:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 09:37:33,081 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 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 682 [2021-12-15 09:37:33,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:37:33,089 INFO L225 Difference]: With dead ends: 16114 [2021-12-15 09:37:33,089 INFO L226 Difference]: Without dead ends: 10733 [2021-12-15 09:37:33,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:37:33,093 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 216 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-15 09:37:33,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 54 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-15 09:37:33,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10733 states. [2021-12-15 09:37:33,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10733 to 9992. [2021-12-15 09:37:33,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9992 states, 9991 states have (on average 1.1101991792613353) internal successors, (11092), 9991 states have internal predecessors, (11092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:33,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9992 states to 9992 states and 11092 transitions. [2021-12-15 09:37:33,171 INFO L78 Accepts]: Start accepts. Automaton has 9992 states and 11092 transitions. Word has length 682 [2021-12-15 09:37:33,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:37:33,171 INFO L470 AbstractCegarLoop]: Abstraction has 9992 states and 11092 transitions. [2021-12-15 09:37:33,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:33,172 INFO L276 IsEmpty]: Start isEmpty. Operand 9992 states and 11092 transitions. [2021-12-15 09:37:33,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2021-12-15 09:37:33,187 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:37:33,188 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:37:33,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-15 09:37:33,188 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:37:33,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:37:33,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1921349717, now seen corresponding path program 1 times [2021-12-15 09:37:33,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:37:33,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117187322] [2021-12-15 09:37:33,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:37:33,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:37:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:37:33,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1733 backedges. 1023 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-12-15 09:37:33,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:37:33,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117187322] [2021-12-15 09:37:33,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117187322] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:37:33,406 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:37:33,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:37:33,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412780129] [2021-12-15 09:37:33,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:37:33,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:37:33,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:37:33,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:37:33,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:33,408 INFO L87 Difference]: Start difference. First operand 9992 states and 11092 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:34,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:37:34,054 INFO L93 Difference]: Finished difference Result 22005 states and 24433 transitions. [2021-12-15 09:37:34,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:37:34,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 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 760 [2021-12-15 09:37:34,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:37:34,065 INFO L225 Difference]: With dead ends: 22005 [2021-12-15 09:37:34,065 INFO L226 Difference]: Without dead ends: 10910 [2021-12-15 09:37:34,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:34,073 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 194 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:37:34,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 340 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:37:34,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10910 states. [2021-12-15 09:37:34,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10910 to 10726. [2021-12-15 09:37:34,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10726 states, 10725 states have (on average 1.0910955710955712) internal successors, (11702), 10725 states have internal predecessors, (11702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:34,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10726 states to 10726 states and 11702 transitions. [2021-12-15 09:37:34,162 INFO L78 Accepts]: Start accepts. Automaton has 10726 states and 11702 transitions. Word has length 760 [2021-12-15 09:37:34,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:37:34,163 INFO L470 AbstractCegarLoop]: Abstraction has 10726 states and 11702 transitions. [2021-12-15 09:37:34,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:34,163 INFO L276 IsEmpty]: Start isEmpty. Operand 10726 states and 11702 transitions. [2021-12-15 09:37:34,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 851 [2021-12-15 09:37:34,179 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:37:34,180 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:37:34,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-15 09:37:34,180 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:37:34,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:37:34,181 INFO L85 PathProgramCache]: Analyzing trace with hash -43670685, now seen corresponding path program 1 times [2021-12-15 09:37:34,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:37:34,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2796600] [2021-12-15 09:37:34,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:37:34,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:37:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:37:34,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 1501 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2021-12-15 09:37:34,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:37:34,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2796600] [2021-12-15 09:37:34,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2796600] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:37:34,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:37:34,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:37:34,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454807783] [2021-12-15 09:37:34,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:37:34,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:37:34,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:37:34,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:37:34,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:34,461 INFO L87 Difference]: Start difference. First operand 10726 states and 11702 transitions. Second operand has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:35,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:37:35,068 INFO L93 Difference]: Finished difference Result 22551 states and 24555 transitions. [2021-12-15 09:37:35,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:37:35,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 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 850 [2021-12-15 09:37:35,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:37:35,069 INFO L225 Difference]: With dead ends: 22551 [2021-12-15 09:37:35,069 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 09:37:35,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:37:35,077 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 53 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 09:37:35,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 320 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 09:37:35,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 09:37:35,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 09:37:35,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:35,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 09:37:35,078 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 850 [2021-12-15 09:37:35,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:37:35,079 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 09:37:35,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:37:35,079 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 09:37:35,079 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 09:37:35,081 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 09:37:35,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-15 09:37:35,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 09:37:39,964 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-12-15 09:37:39,965 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,965 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-12-15 09:37:39,965 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,965 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,965 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,965 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,966 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,966 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,966 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-15 09:37:39,966 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-12-15 09:37:39,966 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-12-15 09:37:39,966 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,966 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,966 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,967 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,967 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,967 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,967 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,967 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,967 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,967 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,968 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-15 09:37:39,968 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-12-15 09:37:39,968 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-12-15 09:37:39,968 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,968 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-12-15 09:37:39,968 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-12-15 09:37:39,968 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,968 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,969 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,969 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,969 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,969 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,969 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-15 09:37:39,969 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-12-15 09:37:39,969 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-12-15 09:37:39,970 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,970 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,970 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,970 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse15 (+ ~a23~0 43))) (let ((.cse8 (< 306 ~a23~0)) (.cse12 (< 0 .cse15)) (.cse9 (= 13 ~a25~0)) (.cse1 (= ~a3~0 1)) (.cse2 (<= ~a29~0 599999)) (.cse13 (= 11 ~a25~0)) (.cse7 (<= ~a29~0 599998)) (.cse6 (= 0 ~a4~0)) (.cse11 (<= ~a23~0 138)) (.cse0 (<= ~a25~0 10)) (.cse14 (<= ~a29~0 245)) (.cse10 (<= (+ ~a29~0 22) 0)) (.cse5 (= ~a25~0 12)) (.cse4 (= ~a4~0 1)) (.cse3 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= (+ ~a29~0 21) 0) .cse5 .cse1 .cse3 .cse4) (and .cse6 .cse7 .cse5 .cse3) (and (or (not (= |ULTIMATE.start_calculate_output_~input#1| 6)) (<= ~a29~0 277)) .cse7 .cse5 .cse8 .cse1 .cse4 .cse3) (and (or (and .cse9 .cse1) (and .cse9 .cse8)) .cse7 .cse4 .cse3) (and .cse7 .cse0 .cse4 .cse3) (and .cse6 .cse9 .cse10 .cse11 .cse12 .cse3) (and .cse13 .cse7 .cse4 .cse3) (and .cse6 .cse10 .cse0 .cse3 (not (= ~a25~0 9))) (and .cse11 .cse12 .cse0 .cse1 .cse4 .cse3) (and .cse9 .cse14 .cse4 .cse3) (and .cse13 .cse1 .cse2 .cse3 .cse4) (and .cse6 .cse7 .cse0 (<= .cse15 0) .cse3) (and .cse6 .cse13 (<= ~a23~0 312) .cse7 .cse3) (and .cse6 .cse11 .cse0 .cse14 .cse3) (and .cse10 .cse5 .cse4 .cse3)))) [2021-12-15 09:37:39,970 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,971 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-12-15 09:37:39,971 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-12-15 09:37:39,971 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,971 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,971 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,971 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,971 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,971 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,972 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-15 09:37:39,972 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-15 09:37:39,972 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-12-15 09:37:39,972 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-12-15 09:37:39,972 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,972 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,972 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,973 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,973 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,973 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,973 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,973 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-12-15 09:37:39,973 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-15 09:37:39,973 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-12-15 09:37:39,973 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,974 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,974 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,974 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,974 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,974 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,974 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,974 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,974 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,975 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-15 09:37:39,975 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-12-15 09:37:39,975 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-15 09:37:39,975 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,975 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse15 (+ ~a23~0 43))) (let ((.cse8 (< 306 ~a23~0)) (.cse12 (< 0 .cse15)) (.cse9 (= 13 ~a25~0)) (.cse1 (= ~a3~0 1)) (.cse2 (<= ~a29~0 599999)) (.cse13 (= 11 ~a25~0)) (.cse7 (<= ~a29~0 599998)) (.cse6 (= 0 ~a4~0)) (.cse11 (<= ~a23~0 138)) (.cse0 (<= ~a25~0 10)) (.cse14 (<= ~a29~0 245)) (.cse10 (<= (+ ~a29~0 22) 0)) (.cse5 (= ~a25~0 12)) (.cse4 (= ~a4~0 1)) (.cse3 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= (+ ~a29~0 21) 0) .cse5 .cse1 .cse3 .cse4) (and .cse6 .cse7 .cse5 .cse3) (and (or (not (= |ULTIMATE.start_calculate_output_~input#1| 6)) (<= ~a29~0 277)) .cse7 .cse5 .cse8 .cse1 .cse4 .cse3) (and (or (and .cse9 .cse1) (and .cse9 .cse8)) .cse7 .cse4 .cse3) (and .cse7 .cse0 .cse4 .cse3) (and .cse6 .cse9 .cse10 .cse11 .cse12 .cse3) (and .cse13 .cse7 .cse4 .cse3) (and .cse6 .cse10 .cse0 .cse3 (not (= ~a25~0 9))) (and .cse11 .cse12 .cse0 .cse1 .cse4 .cse3) (and .cse9 .cse14 .cse4 .cse3) (and .cse13 .cse1 .cse2 .cse3 .cse4) (and .cse6 .cse7 .cse0 (<= .cse15 0) .cse3) (and .cse6 .cse13 (<= ~a23~0 312) .cse7 .cse3) (and .cse6 .cse11 .cse0 .cse14 .cse3) (and .cse10 .cse5 .cse4 .cse3)))) [2021-12-15 09:37:39,975 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,976 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,976 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,976 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,976 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,976 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,976 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,976 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,976 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-15 09:37:39,977 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-15 09:37:39,977 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-12-15 09:37:39,977 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-12-15 09:37:39,977 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-15 09:37:39,977 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-12-15 09:37:39,977 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-12-15 09:37:39,977 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,978 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,978 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,978 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,978 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,978 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,978 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,978 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,978 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,979 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,979 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 09:37:39,979 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-15 09:37:39,979 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-12-15 09:37:39,979 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-12-15 09:37:39,979 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-12-15 09:37:39,979 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,980 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,980 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,980 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,980 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,980 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-15 09:37:39,980 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-12-15 09:37:39,980 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-12-15 09:37:39,980 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,981 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,981 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,981 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,981 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-12-15 09:37:39,981 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-12-15 09:37:39,981 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,981 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,981 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,982 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,982 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,982 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,982 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-12-15 09:37:39,982 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-12-15 09:37:39,982 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,982 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,983 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-15 09:37:39,983 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-15 09:37:39,983 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-12-15 09:37:39,983 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 09:37:39,983 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2021-12-15 09:37:39,983 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,983 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,984 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,984 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,984 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,984 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,984 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,984 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-15 09:37:39,984 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-12-15 09:37:39,984 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-12-15 09:37:39,985 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-12-15 09:37:39,985 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-12-15 09:37:39,985 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-12-15 09:37:39,985 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-12-15 09:37:39,985 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,985 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,985 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-12-15 09:37:39,985 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-12-15 09:37:39,986 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,986 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,986 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,986 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,986 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,986 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-12-15 09:37:39,987 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-15 09:37:39,987 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-12-15 09:37:39,987 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,987 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,987 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,987 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,987 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,987 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,988 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-15 09:37:39,988 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-15 09:37:39,988 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-15 09:37:39,988 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,988 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,988 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,988 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,989 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,989 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,989 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,989 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,989 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-15 09:37:39,989 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-12-15 09:37:39,989 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-12-15 09:37:39,989 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,990 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,990 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,990 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,990 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,990 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,990 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,990 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,990 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,991 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,991 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,991 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-12-15 09:37:39,991 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-12-15 09:37:39,991 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-15 09:37:39,991 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-15 09:37:39,991 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-12-15 09:37:39,991 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,992 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,992 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,992 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,992 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,992 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,992 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,992 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-12-15 09:37:39,993 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-12-15 09:37:39,993 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-15 09:37:39,993 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,993 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,993 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,993 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-12-15 09:37:39,993 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-12-15 09:37:39,993 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,994 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,994 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,994 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,994 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,994 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-12-15 09:37:39,994 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-12-15 09:37:39,994 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,994 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,995 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-12-15 09:37:39,995 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-12-15 09:37:39,995 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,995 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 09:37:39,995 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,995 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,995 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,995 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,996 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,996 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-12-15 09:37:39,996 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-15 09:37:39,996 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-12-15 09:37:39,996 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-12-15 09:37:39,996 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,996 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,997 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,997 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,997 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,997 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,997 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,997 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,997 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-12-15 09:37:39,997 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-12-15 09:37:39,998 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-12-15 09:37:39,998 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-12-15 09:37:39,998 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-12-15 09:37:39,998 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-12-15 09:37:39,998 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,998 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,998 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,999 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,999 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,999 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:39,999 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-12-15 09:37:39,999 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-15 09:37:39,999 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-12-15 09:37:39,999 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 09:37:39,999 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:40,000 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:40,000 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-12-15 09:37:40,000 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-12-15 09:37:40,000 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-12-15 09:37:40,000 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-12-15 09:37:40,000 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-12-15 09:37:40,000 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-12-15 09:37:40,001 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-12-15 09:37:40,001 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-12-15 09:37:40,001 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-12-15 09:37:40,001 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-12-15 09:37:40,001 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-12-15 09:37:40,001 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:40,001 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:40,001 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-12-15 09:37:40,002 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-12-15 09:37:40,002 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-12-15 09:37:40,002 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-12-15 09:37:40,002 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-15 09:37:40,002 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-12-15 09:37:40,002 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-12-15 09:37:40,002 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-12-15 09:37:40,005 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:37:40,006 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 09:37:40,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:37:40 BoogieIcfgContainer [2021-12-15 09:37:40,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 09:37:40,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 09:37:40,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 09:37:40,052 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 09:37:40,053 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:37:08" (3/4) ... [2021-12-15 09:37:40,055 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 09:37:40,077 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-15 09:37:40,085 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 09:37:40,086 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 09:37:40,088 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 09:37:40,209 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 09:37:40,209 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 09:37:40,210 INFO L158 Benchmark]: Toolchain (without parser) took 33544.62ms. Allocated memory was 94.4MB in the beginning and 545.3MB in the end (delta: 450.9MB). Free memory was 61.3MB in the beginning and 429.7MB in the end (delta: -368.4MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. [2021-12-15 09:37:40,211 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory was 50.0MB in the beginning and 50.0MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 09:37:40,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 708.91ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 61.1MB in the beginning and 89.9MB in the end (delta: -28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-12-15 09:37:40,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.72ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 72.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 09:37:40,212 INFO L158 Benchmark]: Boogie Preprocessor took 115.55ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 63.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 09:37:40,212 INFO L158 Benchmark]: RCFGBuilder took 1366.21ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 61.4MB in the end (delta: 2.0MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2021-12-15 09:37:40,213 INFO L158 Benchmark]: TraceAbstraction took 31055.44ms. Allocated memory was 117.4MB in the beginning and 545.3MB in the end (delta: 427.8MB). Free memory was 60.7MB in the beginning and 455.1MB in the end (delta: -394.4MB). Peak memory consumption was 362.7MB. Max. memory is 16.1GB. [2021-12-15 09:37:40,213 INFO L158 Benchmark]: Witness Printer took 157.61ms. Allocated memory is still 545.3MB. Free memory was 455.1MB in the beginning and 429.7MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 09:37:40,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory was 50.0MB in the beginning and 50.0MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 708.91ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 61.1MB in the beginning and 89.9MB in the end (delta: -28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.72ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 72.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.55ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 63.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1366.21ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 61.4MB in the end (delta: 2.0MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. * TraceAbstraction took 31055.44ms. Allocated memory was 117.4MB in the beginning and 545.3MB in the end (delta: 427.8MB). Free memory was 60.7MB in the beginning and 455.1MB in the end (delta: -394.4MB). Peak memory consumption was 362.7MB. Max. memory is 16.1GB. * Witness Printer took 157.61ms. Allocated memory is still 545.3MB. Free memory was 455.1MB in the beginning and 429.7MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 172]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.0s, OverallIterations: 17, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 15.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3752 SdHoareTripleChecker+Valid, 14.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3752 mSDsluCounter, 3464 SdHoareTripleChecker+Invalid, 11.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 438 mSDsCounter, 2384 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13595 IncrementalHoareTripleChecker+Invalid, 15979 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2384 mSolverCounterUnsat, 3026 mSDtfsCounter, 13595 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 971 GetRequests, 929 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10726occurred in iteration=16, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 11061 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 145 NumberOfFragments, 567 HoareAnnotationTreeSize, 3 FomulaSimplifications, 15440 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 29630 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 6950 NumberOfCodeBlocks, 6950 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 7266 ConstructedInterpolants, 0 QuantifiedInterpolants, 24689 SizeOfPredicates, 8 NumberOfNonLiveVariables, 817 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 20 InterpolantComputations, 16 PerfectInterpolantSequences, 9112/9275 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((a25 <= 10 && a3 == 1) && a29 <= 599999) && a8 == 15) && a4 == 1) || ((((a29 + 21 <= 0 && a25 == 12) && a3 == 1) && a8 == 15) && a4 == 1)) || (((0 == a4 && a29 <= 599998) && a25 == 12) && a8 == 15)) || (((((((!(input == 6) || a29 <= 277) && a29 <= 599998) && a25 == 12) && 306 < a23) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((13 == a25 && a3 == 1) || (13 == a25 && 306 < a23)) && a29 <= 599998) && a4 == 1) && a8 == 15)) || (((a29 <= 599998 && a25 <= 10) && a4 == 1) && a8 == 15)) || (((((0 == a4 && 13 == a25) && a29 + 22 <= 0) && a23 <= 138) && 0 < a23 + 43) && a8 == 15)) || (((11 == a25 && a29 <= 599998) && a4 == 1) && a8 == 15)) || ((((0 == a4 && a29 + 22 <= 0) && a25 <= 10) && a8 == 15) && !(a25 == 9))) || (((((a23 <= 138 && 0 < a23 + 43) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || (((13 == a25 && a29 <= 245) && a4 == 1) && a8 == 15)) || ((((11 == a25 && a3 == 1) && a29 <= 599999) && a8 == 15) && a4 == 1)) || ((((0 == a4 && a29 <= 599998) && a25 <= 10) && a23 + 43 <= 0) && a8 == 15)) || ((((0 == a4 && 11 == a25) && a23 <= 312) && a29 <= 599998) && a8 == 15)) || ((((0 == a4 && a23 <= 138) && a25 <= 10) && a29 <= 245) && a8 == 15)) || (((a29 + 22 <= 0 && a25 == 12) && a4 == 1) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((a25 <= 10 && a3 == 1) && a29 <= 599999) && a8 == 15) && a4 == 1) || ((((a29 + 21 <= 0 && a25 == 12) && a3 == 1) && a8 == 15) && a4 == 1)) || (((0 == a4 && a29 <= 599998) && a25 == 12) && a8 == 15)) || (((((((!(input == 6) || a29 <= 277) && a29 <= 599998) && a25 == 12) && 306 < a23) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((13 == a25 && a3 == 1) || (13 == a25 && 306 < a23)) && a29 <= 599998) && a4 == 1) && a8 == 15)) || (((a29 <= 599998 && a25 <= 10) && a4 == 1) && a8 == 15)) || (((((0 == a4 && 13 == a25) && a29 + 22 <= 0) && a23 <= 138) && 0 < a23 + 43) && a8 == 15)) || (((11 == a25 && a29 <= 599998) && a4 == 1) && a8 == 15)) || ((((0 == a4 && a29 + 22 <= 0) && a25 <= 10) && a8 == 15) && !(a25 == 9))) || (((((a23 <= 138 && 0 < a23 + 43) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || (((13 == a25 && a29 <= 245) && a4 == 1) && a8 == 15)) || ((((11 == a25 && a3 == 1) && a29 <= 599999) && a8 == 15) && a4 == 1)) || ((((0 == a4 && a29 <= 599998) && a25 <= 10) && a23 + 43 <= 0) && a8 == 15)) || ((((0 == a4 && 11 == a25) && a23 <= 312) && a29 <= 599998) && a8 == 15)) || ((((0 == a4 && a23 <= 138) && a25 <= 10) && a29 <= 245) && a8 == 15)) || (((a29 + 22 <= 0 && a25 == 12) && a4 == 1) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-15 09:37:40,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE