./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label13.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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/Problem15_label13.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 5a19424d0456c6718774c0e7f98c7314f15d1f859d3e4c4b58b43cec62bc198b --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 12:41:46,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:41:46,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:41:46,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 12:41:46,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 12:41:46,481 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 12:41:46,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 12:41:46,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 12:41:46,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 12:41:46,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 12:41:46,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 12:41:46,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 12:41:46,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 12:41:46,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 12:41:46,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 12:41:46,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 12:41:46,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 12:41:46,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 12:41:46,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 12:41:46,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 12:41:46,511 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 12:41:46,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 12:41:46,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 12:41:46,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 12:41:46,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 12:41:46,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 12:41:46,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 12:41:46,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 12:41:46,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 12:41:46,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 12:41:46,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 12:41:46,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 12:41:46,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 12:41:46,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 12:41:46,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 12:41:46,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 12:41:46,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 12:41:46,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 12:41:46,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 12:41:46,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 12:41:46,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 12:41:46,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 12:41:46,534 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 12:41:46,566 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:41:46,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:41:46,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:41:46,567 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:41:46,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 12:41:46,568 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 12:41:46,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:41:46,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:41:46,569 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:41:46,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:41:46,570 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:41:46,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:41:46,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:41:46,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:41:46,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 12:41:46,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 12:41:46,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 12:41:46,571 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:41:46,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:41:46,573 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:41:46,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 12:41:46,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:41:46,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:41:46,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 12:41:46,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 12:41:46,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:41:46,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 12:41:46,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 12:41:46,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:41:46,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 12:41:46,575 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 12:41:46,576 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 12:41:46,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 12:41:46,576 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a19424d0456c6718774c0e7f98c7314f15d1f859d3e4c4b58b43cec62bc198b [2022-07-22 12:41:46,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:41:46,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:41:46,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:41:46,844 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:41:46,845 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:41:46,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label13.c [2022-07-22 12:41:46,912 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a79a2428d/158ae324ecf6403db2e15477d0ef4718/FLAG7b37916b0 [2022-07-22 12:41:47,467 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:41:47,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label13.c [2022-07-22 12:41:47,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a79a2428d/158ae324ecf6403db2e15477d0ef4718/FLAG7b37916b0 [2022-07-22 12:41:47,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a79a2428d/158ae324ecf6403db2e15477d0ef4718 [2022-07-22 12:41:47,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:41:47,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 12:41:47,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:41:47,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:41:47,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:41:47,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:41:47" (1/1) ... [2022-07-22 12:41:47,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@595c80c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:41:47, skipping insertion in model container [2022-07-22 12:41:47,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:41:47" (1/1) ... [2022-07-22 12:41:47,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:41:47,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:41:48,095 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/Problem15_label13.c[5940,5953] [2022-07-22 12:41:48,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:41:48,448 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:41:48,479 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/Problem15_label13.c[5940,5953] [2022-07-22 12:41:48,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:41:48,759 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:41:48,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:41:48 WrapperNode [2022-07-22 12:41:48,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:41:48,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:41:48,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:41:48,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:41:48,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:41:48" (1/1) ... [2022-07-22 12:41:48,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:41:48" (1/1) ... [2022-07-22 12:41:48,969 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2022-07-22 12:41:48,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:41:48,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:41:48,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:41:48,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:41:48,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:41:48" (1/1) ... [2022-07-22 12:41:48,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:41:48" (1/1) ... [2022-07-22 12:41:49,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:41:48" (1/1) ... [2022-07-22 12:41:49,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:41:48" (1/1) ... [2022-07-22 12:41:49,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:41:48" (1/1) ... [2022-07-22 12:41:49,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:41:48" (1/1) ... [2022-07-22 12:41:49,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:41:48" (1/1) ... [2022-07-22 12:41:49,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:41:49,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:41:49,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:41:49,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:41:49,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:41:48" (1/1) ... [2022-07-22 12:41:49,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 12:41:49,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:41:49,218 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) [2022-07-22 12:41:49,223 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 [2022-07-22 12:41:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:41:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:41:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:41:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:41:49,304 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:41:49,305 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:41:51,611 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:41:51,622 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:41:51,622 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 12:41:51,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:41:51 BoogieIcfgContainer [2022-07-22 12:41:51,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:41:51,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 12:41:51,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 12:41:51,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 12:41:51,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 12:41:47" (1/3) ... [2022-07-22 12:41:51,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6220643f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 12:41:51, skipping insertion in model container [2022-07-22 12:41:51,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:41:48" (2/3) ... [2022-07-22 12:41:51,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6220643f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 12:41:51, skipping insertion in model container [2022-07-22 12:41:51,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:41:51" (3/3) ... [2022-07-22 12:41:51,636 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label13.c [2022-07-22 12:41:51,649 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 12:41:51,650 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 12:41:51,708 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 12:41:51,714 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3f1cd560, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7df28999 [2022-07-22 12:41:51,714 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 12:41:51,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:41:51,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-22 12:41:51,727 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:41:51,728 INFO L195 NwaCegarLoop]: 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] [2022-07-22 12:41:51,729 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:41:51,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:41:51,733 INFO L85 PathProgramCache]: Analyzing trace with hash 563919826, now seen corresponding path program 1 times [2022-07-22 12:41:51,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:41:51,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326013619] [2022-07-22 12:41:51,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:41:51,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:41:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:41:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:41:52,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:41:52,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326013619] [2022-07-22 12:41:52,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326013619] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:41:52,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:41:52,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 12:41:52,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276936262] [2022-07-22 12:41:52,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:41:52,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:41:52,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:41:52,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:41:52,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:41:52,046 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:41:53,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:41:53,847 INFO L93 Difference]: Finished difference Result 1155 states and 2106 transitions. [2022-07-22 12:41:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:41:53,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2022-07-22 12:41:53,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:41:53,864 INFO L225 Difference]: With dead ends: 1155 [2022-07-22 12:41:53,864 INFO L226 Difference]: Without dead ends: 667 [2022-07-22 12:41:53,869 INFO L412 NwaCegarLoop]: 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 [2022-07-22 12:41:53,871 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 296 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-22 12:41:53,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 371 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-22 12:41:53,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2022-07-22 12:41:53,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 665. [2022-07-22 12:41:53,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 664 states have (on average 1.4789156626506024) internal successors, (982), 664 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:41:53,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 982 transitions. [2022-07-22 12:41:53,946 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 982 transitions. Word has length 48 [2022-07-22 12:41:53,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:41:53,947 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 982 transitions. [2022-07-22 12:41:53,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:41:53,947 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 982 transitions. [2022-07-22 12:41:53,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-22 12:41:53,951 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:41:53,951 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:41:53,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 12:41:53,952 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:41:53,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:41:53,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1552038125, now seen corresponding path program 1 times [2022-07-22 12:41:53,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:41:53,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730802458] [2022-07-22 12:41:53,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:41:53,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:41:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:41:54,118 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:41:54,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:41:54,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730802458] [2022-07-22 12:41:54,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730802458] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:41:54,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:41:54,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 12:41:54,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397676800] [2022-07-22 12:41:54,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:41:54,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:41:54,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:41:54,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:41:54,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:41:54,122 INFO L87 Difference]: Start difference. First operand 665 states and 982 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:41:56,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:41:56,152 INFO L93 Difference]: Finished difference Result 1953 states and 2893 transitions. [2022-07-22 12:41:56,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:41:56,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2022-07-22 12:41:56,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:41:56,158 INFO L225 Difference]: With dead ends: 1953 [2022-07-22 12:41:56,159 INFO L226 Difference]: Without dead ends: 1290 [2022-07-22 12:41:56,161 INFO L412 NwaCegarLoop]: 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 [2022-07-22 12:41:56,163 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 256 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-22 12:41:56,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 326 Invalid, 1249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-22 12:41:56,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2022-07-22 12:41:56,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1282. [2022-07-22 12:41:56,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1281 states have (on average 1.3981264637002342) internal successors, (1791), 1281 states have internal predecessors, (1791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:41:56,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1791 transitions. [2022-07-22 12:41:56,197 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1791 transitions. Word has length 123 [2022-07-22 12:41:56,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:41:56,198 INFO L495 AbstractCegarLoop]: Abstraction has 1282 states and 1791 transitions. [2022-07-22 12:41:56,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:41:56,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1791 transitions. [2022-07-22 12:41:56,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-22 12:41:56,203 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:41:56,203 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:41:56,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 12:41:56,204 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:41:56,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:41:56,204 INFO L85 PathProgramCache]: Analyzing trace with hash 2128009123, now seen corresponding path program 1 times [2022-07-22 12:41:56,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:41:56,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617713235] [2022-07-22 12:41:56,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:41:56,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:41:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:41:56,292 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:41:56,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:41:56,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617713235] [2022-07-22 12:41:56,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617713235] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:41:56,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:41:56,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 12:41:56,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092059150] [2022-07-22 12:41:56,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:41:56,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:41:56,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:41:56,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:41:56,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:41:56,295 INFO L87 Difference]: Start difference. First operand 1282 states and 1791 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:41:58,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:41:58,382 INFO L93 Difference]: Finished difference Result 3764 states and 5260 transitions. [2022-07-22 12:41:58,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:41:58,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2022-07-22 12:41:58,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:41:58,398 INFO L225 Difference]: With dead ends: 3764 [2022-07-22 12:41:58,398 INFO L226 Difference]: Without dead ends: 2484 [2022-07-22 12:41:58,401 INFO L412 NwaCegarLoop]: 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 [2022-07-22 12:41:58,403 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 236 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-22 12:41:58,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 366 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-22 12:41:58,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2022-07-22 12:41:58,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2182. [2022-07-22 12:41:58,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2181 states have (on average 1.2810637322329206) internal successors, (2794), 2181 states have internal predecessors, (2794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:41:58,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2794 transitions. [2022-07-22 12:41:58,443 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2794 transitions. Word has length 127 [2022-07-22 12:41:58,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:41:58,443 INFO L495 AbstractCegarLoop]: Abstraction has 2182 states and 2794 transitions. [2022-07-22 12:41:58,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:41:58,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2794 transitions. [2022-07-22 12:41:58,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-07-22 12:41:58,448 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:41:58,448 INFO L195 NwaCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:41:58,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 12:41:58,448 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:41:58,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:41:58,449 INFO L85 PathProgramCache]: Analyzing trace with hash -556771401, now seen corresponding path program 1 times [2022-07-22 12:41:58,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:41:58,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625618744] [2022-07-22 12:41:58,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:41:58,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:41:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:41:58,651 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-07-22 12:41:58,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:41:58,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625618744] [2022-07-22 12:41:58,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625618744] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:41:58,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:41:58,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 12:41:58,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618439674] [2022-07-22 12:41:58,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:41:58,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:41:58,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:41:58,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:41:58,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:41:58,657 INFO L87 Difference]: Start difference. First operand 2182 states and 2794 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:41:59,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:41:59,881 INFO L93 Difference]: Finished difference Result 6166 states and 7958 transitions. [2022-07-22 12:41:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:41:59,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 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 218 [2022-07-22 12:41:59,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:41:59,896 INFO L225 Difference]: With dead ends: 6166 [2022-07-22 12:41:59,896 INFO L226 Difference]: Without dead ends: 3986 [2022-07-22 12:41:59,900 INFO L412 NwaCegarLoop]: 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 [2022-07-22 12:41:59,901 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-22 12:41:59,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-22 12:41:59,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3986 states. [2022-07-22 12:41:59,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3986 to 3682. [2022-07-22 12:41:59,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3682 states, 3681 states have (on average 1.219505569138821) internal successors, (4489), 3681 states have internal predecessors, (4489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:41:59,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3682 states to 3682 states and 4489 transitions. [2022-07-22 12:41:59,967 INFO L78 Accepts]: Start accepts. Automaton has 3682 states and 4489 transitions. Word has length 218 [2022-07-22 12:41:59,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:41:59,968 INFO L495 AbstractCegarLoop]: Abstraction has 3682 states and 4489 transitions. [2022-07-22 12:41:59,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:41:59,969 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 4489 transitions. [2022-07-22 12:41:59,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-07-22 12:41:59,972 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:41:59,973 INFO L195 NwaCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:41:59,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 12:41:59,973 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:41:59,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:41:59,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1996023235, now seen corresponding path program 1 times [2022-07-22 12:41:59,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:41:59,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658380424] [2022-07-22 12:41:59,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:41:59,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:42:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:00,183 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-22 12:42:00,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:42:00,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658380424] [2022-07-22 12:42:00,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658380424] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:42:00,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:42:00,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 12:42:00,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576214359] [2022-07-22 12:42:00,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:42:00,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:42:00,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:42:00,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:42:00,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:42:00,186 INFO L87 Difference]: Start difference. First operand 3682 states and 4489 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:01,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:42:01,556 INFO L93 Difference]: Finished difference Result 7661 states and 9287 transitions. [2022-07-22 12:42:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:42:01,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 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 320 [2022-07-22 12:42:01,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:42:01,570 INFO L225 Difference]: With dead ends: 7661 [2022-07-22 12:42:01,570 INFO L226 Difference]: Without dead ends: 3981 [2022-07-22 12:42:01,575 INFO L412 NwaCegarLoop]: 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 [2022-07-22 12:42:01,576 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-22 12:42:01,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-22 12:42:01,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3981 states. [2022-07-22 12:42:01,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3981 to 3981. [2022-07-22 12:42:01,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3981 states, 3980 states have (on average 1.2045226130653266) internal successors, (4794), 3980 states have internal predecessors, (4794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:01,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 3981 states and 4794 transitions. [2022-07-22 12:42:01,646 INFO L78 Accepts]: Start accepts. Automaton has 3981 states and 4794 transitions. Word has length 320 [2022-07-22 12:42:01,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:42:01,647 INFO L495 AbstractCegarLoop]: Abstraction has 3981 states and 4794 transitions. [2022-07-22 12:42:01,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:01,648 INFO L276 IsEmpty]: Start isEmpty. Operand 3981 states and 4794 transitions. [2022-07-22 12:42:01,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-07-22 12:42:01,652 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:42:01,652 INFO L195 NwaCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:42:01,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 12:42:01,653 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:42:01,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:42:01,653 INFO L85 PathProgramCache]: Analyzing trace with hash -2113612274, now seen corresponding path program 1 times [2022-07-22 12:42:01,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:42:01,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311386863] [2022-07-22 12:42:01,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:01,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:42:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:01,788 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-22 12:42:01,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:42:01,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311386863] [2022-07-22 12:42:01,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311386863] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:42:01,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:42:01,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:42:01,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068849720] [2022-07-22 12:42:01,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:42:01,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:42:01,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:42:01,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:42:01,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:42:01,791 INFO L87 Difference]: Start difference. First operand 3981 states and 4794 transitions. Second operand has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:03,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:42:03,293 INFO L93 Difference]: Finished difference Result 9465 states and 11668 transitions. [2022-07-22 12:42:03,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:42:03,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 335 [2022-07-22 12:42:03,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:42:03,317 INFO L225 Difference]: With dead ends: 9465 [2022-07-22 12:42:03,318 INFO L226 Difference]: Without dead ends: 5785 [2022-07-22 12:42:03,323 INFO L412 NwaCegarLoop]: 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 [2022-07-22 12:42:03,329 INFO L413 NwaCegarLoop]: 632 mSDtfsCounter, 268 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-22 12:42:03,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 671 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-22 12:42:03,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5785 states. [2022-07-22 12:42:03,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5785 to 5783. [2022-07-22 12:42:03,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5783 states, 5782 states have (on average 1.1672431684538223) internal successors, (6749), 5782 states have internal predecessors, (6749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:03,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5783 states to 5783 states and 6749 transitions. [2022-07-22 12:42:03,426 INFO L78 Accepts]: Start accepts. Automaton has 5783 states and 6749 transitions. Word has length 335 [2022-07-22 12:42:03,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:42:03,426 INFO L495 AbstractCegarLoop]: Abstraction has 5783 states and 6749 transitions. [2022-07-22 12:42:03,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:03,427 INFO L276 IsEmpty]: Start isEmpty. Operand 5783 states and 6749 transitions. [2022-07-22 12:42:03,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2022-07-22 12:42:03,433 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:42:03,433 INFO L195 NwaCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:42:03,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 12:42:03,434 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:42:03,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:42:03,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1950480271, now seen corresponding path program 1 times [2022-07-22 12:42:03,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:42:03,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965870520] [2022-07-22 12:42:03,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:03,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:42:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:03,842 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 91 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:42:03,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:42:03,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965870520] [2022-07-22 12:42:03,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965870520] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:42:03,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284586536] [2022-07-22 12:42:03,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:03,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:42:03,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:42:03,845 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) [2022-07-22 12:42:03,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 12:42:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:04,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:42:04,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:42:04,270 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:42:04,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 12:42:04,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284586536] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:42:04,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 12:42:04,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-07-22 12:42:04,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100605214] [2022-07-22 12:42:04,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:42:04,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:42:04,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:42:04,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:42:04,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-22 12:42:04,273 INFO L87 Difference]: Start difference. First operand 5783 states and 6749 transitions. Second operand has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:05,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:42:05,812 INFO L93 Difference]: Finished difference Result 13366 states and 15911 transitions. [2022-07-22 12:42:05,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:42:05,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 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 394 [2022-07-22 12:42:05,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:42:05,837 INFO L225 Difference]: With dead ends: 13366 [2022-07-22 12:42:05,837 INFO L226 Difference]: Without dead ends: 7884 [2022-07-22 12:42:05,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-22 12:42:05,845 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 274 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-22 12:42:05,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 263 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-22 12:42:05,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7884 states. [2022-07-22 12:42:05,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7884 to 7281. [2022-07-22 12:42:05,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7281 states, 7280 states have (on average 1.161401098901099) internal successors, (8455), 7280 states have internal predecessors, (8455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:05,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7281 states to 7281 states and 8455 transitions. [2022-07-22 12:42:05,955 INFO L78 Accepts]: Start accepts. Automaton has 7281 states and 8455 transitions. Word has length 394 [2022-07-22 12:42:05,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:42:05,956 INFO L495 AbstractCegarLoop]: Abstraction has 7281 states and 8455 transitions. [2022-07-22 12:42:05,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:05,957 INFO L276 IsEmpty]: Start isEmpty. Operand 7281 states and 8455 transitions. [2022-07-22 12:42:05,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2022-07-22 12:42:05,965 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:42:05,966 INFO L195 NwaCegarLoop]: 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-22 12:42:05,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-22 12:42:06,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:42:06,176 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:42:06,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:42:06,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1301001739, now seen corresponding path program 1 times [2022-07-22 12:42:06,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:42:06,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179434524] [2022-07-22 12:42:06,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:06,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:42:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:06,423 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2022-07-22 12:42:06,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:42:06,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179434524] [2022-07-22 12:42:06,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179434524] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:42:06,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:42:06,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:42:06,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117907530] [2022-07-22 12:42:06,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:42:06,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:42:06,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:42:06,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:42:06,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:42:06,426 INFO L87 Difference]: Start difference. First operand 7281 states and 8455 transitions. Second operand has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:08,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:42:08,028 INFO L93 Difference]: Finished difference Result 16059 states and 18979 transitions. [2022-07-22 12:42:08,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:42:08,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 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 499 [2022-07-22 12:42:08,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:42:08,058 INFO L225 Difference]: With dead ends: 16059 [2022-07-22 12:42:08,058 INFO L226 Difference]: Without dead ends: 9079 [2022-07-22 12:42:08,066 INFO L412 NwaCegarLoop]: 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 [2022-07-22 12:42:08,067 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 283 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-22 12:42:08,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 611 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-22 12:42:08,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9079 states. [2022-07-22 12:42:08,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9079 to 9078. [2022-07-22 12:42:08,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9078 states, 9077 states have (on average 1.1450919907458412) internal successors, (10394), 9077 states have internal predecessors, (10394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:08,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9078 states to 9078 states and 10394 transitions. [2022-07-22 12:42:08,192 INFO L78 Accepts]: Start accepts. Automaton has 9078 states and 10394 transitions. Word has length 499 [2022-07-22 12:42:08,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:42:08,193 INFO L495 AbstractCegarLoop]: Abstraction has 9078 states and 10394 transitions. [2022-07-22 12:42:08,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:08,194 INFO L276 IsEmpty]: Start isEmpty. Operand 9078 states and 10394 transitions. [2022-07-22 12:42:08,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2022-07-22 12:42:08,205 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:42:08,205 INFO L195 NwaCegarLoop]: 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:42:08,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 12:42:08,206 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:42:08,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:42:08,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1580672086, now seen corresponding path program 1 times [2022-07-22 12:42:08,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:42:08,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950278309] [2022-07-22 12:42:08,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:08,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:42:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:08,512 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 421 proven. 39 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-22 12:42:08,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:42:08,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950278309] [2022-07-22 12:42:08,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950278309] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:42:08,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617114901] [2022-07-22 12:42:08,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:08,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:42:08,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:42:08,515 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) [2022-07-22 12:42:08,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 12:42:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:08,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:42:08,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:42:08,999 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-07-22 12:42:08,999 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 12:42:09,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617114901] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:42:09,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 12:42:09,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-22 12:42:09,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652433216] [2022-07-22 12:42:09,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:42:09,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:42:09,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:42:09,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:42:09,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 12:42:09,002 INFO L87 Difference]: Start difference. First operand 9078 states and 10394 transitions. Second operand has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:10,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:42:10,606 INFO L93 Difference]: Finished difference Result 20546 states and 23798 transitions. [2022-07-22 12:42:10,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:42:10,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 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 524 [2022-07-22 12:42:10,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:42:10,628 INFO L225 Difference]: With dead ends: 20546 [2022-07-22 12:42:10,628 INFO L226 Difference]: Without dead ends: 11769 [2022-07-22 12:42:10,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 523 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 12:42:10,638 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 123 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-22 12:42:10,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 315 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-22 12:42:10,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11769 states. [2022-07-22 12:42:10,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11769 to 7577. [2022-07-22 12:42:10,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7577 states, 7576 states have (on average 1.1601108764519534) internal successors, (8789), 7576 states have internal predecessors, (8789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:10,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7577 states to 7577 states and 8789 transitions. [2022-07-22 12:42:10,755 INFO L78 Accepts]: Start accepts. Automaton has 7577 states and 8789 transitions. Word has length 524 [2022-07-22 12:42:10,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:42:10,756 INFO L495 AbstractCegarLoop]: Abstraction has 7577 states and 8789 transitions. [2022-07-22 12:42:10,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:10,756 INFO L276 IsEmpty]: Start isEmpty. Operand 7577 states and 8789 transitions. [2022-07-22 12:42:10,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2022-07-22 12:42:10,763 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:42:10,764 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:42:10,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 12:42:10,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-07-22 12:42:10,980 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:42:10,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:42:10,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1485269488, now seen corresponding path program 1 times [2022-07-22 12:42:10,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:42:10,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961004417] [2022-07-22 12:42:10,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:10,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:42:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:11,228 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 547 proven. 39 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-22 12:42:11,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:42:11,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961004417] [2022-07-22 12:42:11,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961004417] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:42:11,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376686331] [2022-07-22 12:42:11,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:11,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:42:11,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:42:11,231 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:42:11,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 12:42:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:11,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 12:42:11,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:42:12,118 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 547 proven. 39 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-22 12:42:12,118 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 12:42:12,785 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 547 proven. 39 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-22 12:42:12,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376686331] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 12:42:12,786 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 12:42:12,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-07-22 12:42:12,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616469165] [2022-07-22 12:42:12,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 12:42:12,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 12:42:12,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:42:12,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 12:42:12,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-07-22 12:42:12,789 INFO L87 Difference]: Start difference. First operand 7577 states and 8789 transitions. Second operand has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:18,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:42:18,088 INFO L93 Difference]: Finished difference Result 21393 states and 24692 transitions. [2022-07-22 12:42:18,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-22 12:42:18,089 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 575 [2022-07-22 12:42:18,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:42:18,103 INFO L225 Difference]: With dead ends: 21393 [2022-07-22 12:42:18,103 INFO L226 Difference]: Without dead ends: 9671 [2022-07-22 12:42:18,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1159 GetRequests, 1144 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2022-07-22 12:42:18,111 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 3100 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 5255 mSolverCounterSat, 721 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3100 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 5976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 721 IncrementalHoareTripleChecker+Valid, 5255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-22 12:42:18,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3100 Valid, 243 Invalid, 5976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [721 Valid, 5255 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-22 12:42:18,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9671 states. [2022-07-22 12:42:18,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9671 to 9369. [2022-07-22 12:42:18,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9369 states, 9368 states have (on average 1.0763236549957302) internal successors, (10083), 9368 states have internal predecessors, (10083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:18,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9369 states to 9369 states and 10083 transitions. [2022-07-22 12:42:18,224 INFO L78 Accepts]: Start accepts. Automaton has 9369 states and 10083 transitions. Word has length 575 [2022-07-22 12:42:18,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:42:18,225 INFO L495 AbstractCegarLoop]: Abstraction has 9369 states and 10083 transitions. [2022-07-22 12:42:18,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:18,225 INFO L276 IsEmpty]: Start isEmpty. Operand 9369 states and 10083 transitions. [2022-07-22 12:42:18,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2022-07-22 12:42:18,230 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:42:18,230 INFO L195 NwaCegarLoop]: 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:42:18,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-22 12:42:18,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:42:18,456 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:42:18,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:42:18,456 INFO L85 PathProgramCache]: Analyzing trace with hash 2131564190, now seen corresponding path program 1 times [2022-07-22 12:42:18,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:42:18,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847792194] [2022-07-22 12:42:18,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:18,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:42:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:18,698 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2022-07-22 12:42:18,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:42:18,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847792194] [2022-07-22 12:42:18,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847792194] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:42:18,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:42:18,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:42:18,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86387008] [2022-07-22 12:42:18,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:42:18,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:42:18,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:42:18,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:42:18,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:42:18,701 INFO L87 Difference]: Start difference. First operand 9369 states and 10083 transitions. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:19,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:42:19,765 INFO L93 Difference]: Finished difference Result 21153 states and 22828 transitions. [2022-07-22 12:42:19,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:42:19,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 575 [2022-07-22 12:42:19,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:42:19,788 INFO L225 Difference]: With dead ends: 21153 [2022-07-22 12:42:19,789 INFO L226 Difference]: Without dead ends: 12085 [2022-07-22 12:42:19,797 INFO L412 NwaCegarLoop]: 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 [2022-07-22 12:42:19,798 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 289 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-22 12:42:19,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 219 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-22 12:42:19,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12085 states. [2022-07-22 12:42:19,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12085 to 9371. [2022-07-22 12:42:19,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9371 states, 9370 states have (on average 1.075453575240128) internal successors, (10077), 9370 states have internal predecessors, (10077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:19,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9371 states to 9371 states and 10077 transitions. [2022-07-22 12:42:19,942 INFO L78 Accepts]: Start accepts. Automaton has 9371 states and 10077 transitions. Word has length 575 [2022-07-22 12:42:19,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:42:19,943 INFO L495 AbstractCegarLoop]: Abstraction has 9371 states and 10077 transitions. [2022-07-22 12:42:19,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:19,944 INFO L276 IsEmpty]: Start isEmpty. Operand 9371 states and 10077 transitions. [2022-07-22 12:42:19,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 584 [2022-07-22 12:42:19,949 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:42:19,951 INFO L195 NwaCegarLoop]: 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:42:19,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-22 12:42:19,951 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:42:19,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:42:19,952 INFO L85 PathProgramCache]: Analyzing trace with hash 194348831, now seen corresponding path program 1 times [2022-07-22 12:42:19,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:42:19,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741114369] [2022-07-22 12:42:19,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:19,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:42:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:20,275 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 242 proven. 188 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-22 12:42:20,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:42:20,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741114369] [2022-07-22 12:42:20,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741114369] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:42:20,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808531274] [2022-07-22 12:42:20,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:20,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:42:20,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:42:20,278 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:42:20,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-22 12:42:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:20,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 12:42:20,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:42:21,187 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-07-22 12:42:21,188 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 12:42:21,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808531274] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:42:21,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 12:42:21,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-22 12:42:21,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106805830] [2022-07-22 12:42:21,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:42:21,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 12:42:21,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:42:21,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 12:42:21,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-22 12:42:21,191 INFO L87 Difference]: Start difference. First operand 9371 states and 10077 transitions. Second operand has 4 states, 4 states have (on average 80.25) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:22,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:42:22,694 INFO L93 Difference]: Finished difference Result 28684 states and 30918 transitions. [2022-07-22 12:42:22,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:42:22,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 80.25) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 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 583 [2022-07-22 12:42:22,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:42:22,727 INFO L225 Difference]: With dead ends: 28684 [2022-07-22 12:42:22,727 INFO L226 Difference]: Without dead ends: 19614 [2022-07-22 12:42:22,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 581 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-22 12:42:22,739 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 519 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 1633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-22 12:42:22,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 171 Invalid, 1633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1534 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-22 12:42:22,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19614 states. [2022-07-22 12:42:22,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19614 to 16316. [2022-07-22 12:42:22,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16316 states, 16315 states have (on average 1.0734906527735213) internal successors, (17514), 16315 states have internal predecessors, (17514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:22,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16316 states to 16316 states and 17514 transitions. [2022-07-22 12:42:22,952 INFO L78 Accepts]: Start accepts. Automaton has 16316 states and 17514 transitions. Word has length 583 [2022-07-22 12:42:22,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:42:22,953 INFO L495 AbstractCegarLoop]: Abstraction has 16316 states and 17514 transitions. [2022-07-22 12:42:22,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 80.25) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:22,953 INFO L276 IsEmpty]: Start isEmpty. Operand 16316 states and 17514 transitions. [2022-07-22 12:42:22,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2022-07-22 12:42:22,958 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:42:22,960 INFO L195 NwaCegarLoop]: 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:42:22,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-22 12:42:23,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:42:23,181 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:42:23,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:42:23,182 INFO L85 PathProgramCache]: Analyzing trace with hash -964489000, now seen corresponding path program 1 times [2022-07-22 12:42:23,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:42:23,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92930196] [2022-07-22 12:42:23,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:23,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:42:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:23,441 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2022-07-22 12:42:23,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:42:23,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92930196] [2022-07-22 12:42:23,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92930196] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:42:23,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:42:23,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:42:23,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381886214] [2022-07-22 12:42:23,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:42:23,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:42:23,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:42:23,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:42:23,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:42:23,444 INFO L87 Difference]: Start difference. First operand 16316 states and 17514 transitions. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:24,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:42:24,670 INFO L93 Difference]: Finished difference Result 39203 states and 42226 transitions. [2022-07-22 12:42:24,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:42:24,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 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 586 [2022-07-22 12:42:24,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:42:24,708 INFO L225 Difference]: With dead ends: 39203 [2022-07-22 12:42:24,709 INFO L226 Difference]: Without dead ends: 24088 [2022-07-22 12:42:24,723 INFO L412 NwaCegarLoop]: 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 [2022-07-22 12:42:24,724 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 303 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-22 12:42:24,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 160 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-22 12:42:24,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24088 states. [2022-07-22 12:42:24,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24088 to 22892. [2022-07-22 12:42:24,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22892 states, 22891 states have (on average 1.067275348390197) internal successors, (24431), 22891 states have internal predecessors, (24431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:25,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22892 states to 22892 states and 24431 transitions. [2022-07-22 12:42:25,104 INFO L78 Accepts]: Start accepts. Automaton has 22892 states and 24431 transitions. Word has length 586 [2022-07-22 12:42:25,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:42:25,104 INFO L495 AbstractCegarLoop]: Abstraction has 22892 states and 24431 transitions. [2022-07-22 12:42:25,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:25,105 INFO L276 IsEmpty]: Start isEmpty. Operand 22892 states and 24431 transitions. [2022-07-22 12:42:25,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2022-07-22 12:42:25,118 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:42:25,118 INFO L195 NwaCegarLoop]: 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:42:25,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-22 12:42:25,119 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:42:25,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:42:25,120 INFO L85 PathProgramCache]: Analyzing trace with hash -223845267, now seen corresponding path program 1 times [2022-07-22 12:42:25,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:42:25,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969777418] [2022-07-22 12:42:25,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:25,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:42:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:25,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 657 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-07-22 12:42:25,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:42:25,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969777418] [2022-07-22 12:42:25,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969777418] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:42:25,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:42:25,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:42:25,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727887390] [2022-07-22 12:42:25,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:42:25,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:42:25,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:42:25,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:42:25,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:42:25,392 INFO L87 Difference]: Start difference. First operand 22892 states and 24431 transitions. Second operand has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:26,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:42:26,280 INFO L93 Difference]: Finished difference Result 44581 states and 47652 transitions. [2022-07-22 12:42:26,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:42:26,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 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 723 [2022-07-22 12:42:26,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:42:26,313 INFO L225 Difference]: With dead ends: 44581 [2022-07-22 12:42:26,313 INFO L226 Difference]: Without dead ends: 23189 [2022-07-22 12:42:26,330 INFO L412 NwaCegarLoop]: 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 [2022-07-22 12:42:26,331 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 438 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 12:42:26,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 70 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 12:42:26,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23189 states. [2022-07-22 12:42:26,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23189 to 22890. [2022-07-22 12:42:26,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22890 states, 22889 states have (on average 1.06710647035694) internal successors, (24425), 22889 states have internal predecessors, (24425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:26,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22890 states to 22890 states and 24425 transitions. [2022-07-22 12:42:26,712 INFO L78 Accepts]: Start accepts. Automaton has 22890 states and 24425 transitions. Word has length 723 [2022-07-22 12:42:26,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:42:26,713 INFO L495 AbstractCegarLoop]: Abstraction has 22890 states and 24425 transitions. [2022-07-22 12:42:26,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:26,713 INFO L276 IsEmpty]: Start isEmpty. Operand 22890 states and 24425 transitions. [2022-07-22 12:42:26,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2022-07-22 12:42:26,726 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:42:26,727 INFO L195 NwaCegarLoop]: 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:42:26,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-22 12:42:26,727 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:42:26,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:42:26,728 INFO L85 PathProgramCache]: Analyzing trace with hash -539156564, now seen corresponding path program 1 times [2022-07-22 12:42:26,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:42:26,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893309903] [2022-07-22 12:42:26,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:26,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:42:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:26,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 816 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-07-22 12:42:26,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:42:26,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893309903] [2022-07-22 12:42:26,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893309903] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:42:26,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:42:26,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 12:42:26,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51309431] [2022-07-22 12:42:26,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:42:26,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 12:42:26,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:42:26,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 12:42:26,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:42:26,988 INFO L87 Difference]: Start difference. First operand 22890 states and 24425 transitions. Second operand has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:28,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:42:28,385 INFO L93 Difference]: Finished difference Result 50571 states and 54008 transitions. [2022-07-22 12:42:28,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:42:28,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 0 states have call successors, (0), 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 737 [2022-07-22 12:42:28,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:42:28,423 INFO L225 Difference]: With dead ends: 50571 [2022-07-22 12:42:28,423 INFO L226 Difference]: Without dead ends: 29181 [2022-07-22 12:42:28,439 INFO L412 NwaCegarLoop]: 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 [2022-07-22 12:42:28,440 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 633 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 1645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-22 12:42:28,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 422 Invalid, 1645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 1392 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-22 12:42:28,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29181 states. [2022-07-22 12:42:28,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29181 to 27983. [2022-07-22 12:42:28,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27983 states, 27982 states have (on average 1.0520691873347152) internal successors, (29439), 27982 states have internal predecessors, (29439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:28,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27983 states to 27983 states and 29439 transitions. [2022-07-22 12:42:28,748 INFO L78 Accepts]: Start accepts. Automaton has 27983 states and 29439 transitions. Word has length 737 [2022-07-22 12:42:28,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:42:28,748 INFO L495 AbstractCegarLoop]: Abstraction has 27983 states and 29439 transitions. [2022-07-22 12:42:28,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:28,748 INFO L276 IsEmpty]: Start isEmpty. Operand 27983 states and 29439 transitions. [2022-07-22 12:42:28,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 758 [2022-07-22 12:42:28,758 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:42:28,759 INFO L195 NwaCegarLoop]: 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:42:28,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-22 12:42:28,759 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:42:28,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:42:28,760 INFO L85 PathProgramCache]: Analyzing trace with hash -575651241, now seen corresponding path program 1 times [2022-07-22 12:42:28,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:42:28,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873295815] [2022-07-22 12:42:28,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:28,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:42:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:29,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 757 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2022-07-22 12:42:29,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:42:29,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873295815] [2022-07-22 12:42:29,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873295815] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:42:29,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:42:29,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:42:29,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402474505] [2022-07-22 12:42:29,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:42:29,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:42:29,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:42:29,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:42:29,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:42:29,068 INFO L87 Difference]: Start difference. First operand 27983 states and 29439 transitions. Second operand has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:29,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:42:29,976 INFO L93 Difference]: Finished difference Result 55665 states and 58575 transitions. [2022-07-22 12:42:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:42:29,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 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 757 [2022-07-22 12:42:29,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:42:30,018 INFO L225 Difference]: With dead ends: 55665 [2022-07-22 12:42:30,019 INFO L226 Difference]: Without dead ends: 27983 [2022-07-22 12:42:30,040 INFO L412 NwaCegarLoop]: 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 [2022-07-22 12:42:30,041 INFO L413 NwaCegarLoop]: 477 mSDtfsCounter, 226 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 12:42:30,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 511 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 12:42:30,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27983 states. [2022-07-22 12:42:30,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27983 to 27983. [2022-07-22 12:42:30,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27983 states, 27982 states have (on average 1.0344864555785862) internal successors, (28947), 27982 states have internal predecessors, (28947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:30,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27983 states to 27983 states and 28947 transitions. [2022-07-22 12:42:30,443 INFO L78 Accepts]: Start accepts. Automaton has 27983 states and 28947 transitions. Word has length 757 [2022-07-22 12:42:30,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:42:30,444 INFO L495 AbstractCegarLoop]: Abstraction has 27983 states and 28947 transitions. [2022-07-22 12:42:30,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:30,444 INFO L276 IsEmpty]: Start isEmpty. Operand 27983 states and 28947 transitions. [2022-07-22 12:42:30,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2022-07-22 12:42:30,455 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:42:30,455 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:42:30,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-22 12:42:30,455 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:42:30,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:42:30,456 INFO L85 PathProgramCache]: Analyzing trace with hash 775079435, now seen corresponding path program 1 times [2022-07-22 12:42:30,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:42:30,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271090442] [2022-07-22 12:42:30,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:30,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:42:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:30,702 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2022-07-22 12:42:30,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:42:30,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271090442] [2022-07-22 12:42:30,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271090442] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:42:30,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:42:30,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:42:30,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685385894] [2022-07-22 12:42:30,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:42:30,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:42:30,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:42:30,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:42:30,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:42:30,706 INFO L87 Difference]: Start difference. First operand 27983 states and 28947 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:31,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:42:31,698 INFO L93 Difference]: Finished difference Result 56256 states and 58223 transitions. [2022-07-22 12:42:31,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:42:31,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 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 759 [2022-07-22 12:42:31,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:42:31,728 INFO L225 Difference]: With dead ends: 56256 [2022-07-22 12:42:31,728 INFO L226 Difference]: Without dead ends: 29773 [2022-07-22 12:42:31,745 INFO L412 NwaCegarLoop]: 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 [2022-07-22 12:42:31,746 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 358 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 12:42:31,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 431 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 12:42:31,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29773 states. [2022-07-22 12:42:31,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29773 to 15949. [2022-07-22 12:42:31,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15949 states, 15948 states have (on average 1.0338600451467268) internal successors, (16488), 15948 states have internal predecessors, (16488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:31,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15949 states to 15949 states and 16488 transitions. [2022-07-22 12:42:31,984 INFO L78 Accepts]: Start accepts. Automaton has 15949 states and 16488 transitions. Word has length 759 [2022-07-22 12:42:31,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:42:31,985 INFO L495 AbstractCegarLoop]: Abstraction has 15949 states and 16488 transitions. [2022-07-22 12:42:31,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:31,985 INFO L276 IsEmpty]: Start isEmpty. Operand 15949 states and 16488 transitions. [2022-07-22 12:42:31,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2022-07-22 12:42:31,995 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:42:31,995 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:42:31,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-22 12:42:31,995 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:42:31,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:42:31,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1217431788, now seen corresponding path program 1 times [2022-07-22 12:42:31,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:42:31,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060652485] [2022-07-22 12:42:31,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:31,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:42:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:32,311 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 621 proven. 188 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-22 12:42:32,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:42:32,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060652485] [2022-07-22 12:42:32,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060652485] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:42:32,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766815242] [2022-07-22 12:42:32,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:32,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:42:32,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:42:32,314 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:42:32,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-22 12:42:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:32,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 12:42:32,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:42:33,143 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 713 proven. 76 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-07-22 12:42:33,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 12:42:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 638 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-07-22 12:42:34,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766815242] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-22 12:42:34,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-07-22 12:42:34,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 8 [2022-07-22 12:42:34,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264579869] [2022-07-22 12:42:34,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:42:34,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:42:34,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:42:34,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:42:34,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-22 12:42:34,313 INFO L87 Difference]: Start difference. First operand 15949 states and 16488 transitions. Second operand has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:35,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:42:35,240 INFO L93 Difference]: Finished difference Result 34592 states and 35751 transitions. [2022-07-22 12:42:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:42:35,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 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 774 [2022-07-22 12:42:35,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:42:35,263 INFO L225 Difference]: With dead ends: 34592 [2022-07-22 12:42:35,263 INFO L226 Difference]: Without dead ends: 18944 [2022-07-22 12:42:35,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1550 GetRequests, 1544 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-22 12:42:35,275 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 160 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 12:42:35,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 91 Invalid, 897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 12:42:35,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18944 states. [2022-07-22 12:42:35,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18944 to 17743. [2022-07-22 12:42:35,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17743 states, 17742 states have (on average 1.0322398827640626) internal successors, (18314), 17742 states have internal predecessors, (18314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:35,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17743 states to 17743 states and 18314 transitions. [2022-07-22 12:42:35,469 INFO L78 Accepts]: Start accepts. Automaton has 17743 states and 18314 transitions. Word has length 774 [2022-07-22 12:42:35,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:42:35,469 INFO L495 AbstractCegarLoop]: Abstraction has 17743 states and 18314 transitions. [2022-07-22 12:42:35,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:35,470 INFO L276 IsEmpty]: Start isEmpty. Operand 17743 states and 18314 transitions. [2022-07-22 12:42:35,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2022-07-22 12:42:35,479 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:42:35,479 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:42:35,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-22 12:42:35,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-07-22 12:42:35,680 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:42:35,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:42:35,680 INFO L85 PathProgramCache]: Analyzing trace with hash 121556206, now seen corresponding path program 1 times [2022-07-22 12:42:35,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:42:35,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440393496] [2022-07-22 12:42:35,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:35,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:42:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:35,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 650 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2022-07-22 12:42:35,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:42:35,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440393496] [2022-07-22 12:42:35,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440393496] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:42:35,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:42:35,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 12:42:35,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770415923] [2022-07-22 12:42:35,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:42:35,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 12:42:35,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:42:35,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 12:42:35,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:42:35,950 INFO L87 Difference]: Start difference. First operand 17743 states and 18314 transitions. Second operand has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:37,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:42:37,480 INFO L93 Difference]: Finished difference Result 40592 states and 41899 transitions. [2022-07-22 12:42:37,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:42:37,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 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 786 [2022-07-22 12:42:37,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:42:37,499 INFO L225 Difference]: With dead ends: 40592 [2022-07-22 12:42:37,500 INFO L226 Difference]: Without dead ends: 22851 [2022-07-22 12:42:37,510 INFO L412 NwaCegarLoop]: 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 [2022-07-22 12:42:37,511 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 431 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1623 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 1796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 1623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-22 12:42:37,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 145 Invalid, 1796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 1623 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-22 12:42:37,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22851 states. [2022-07-22 12:42:37,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22851 to 21336. [2022-07-22 12:42:37,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21336 states, 21335 states have (on average 1.0300913991094445) internal successors, (21977), 21335 states have internal predecessors, (21977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:37,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21336 states to 21336 states and 21977 transitions. [2022-07-22 12:42:37,747 INFO L78 Accepts]: Start accepts. Automaton has 21336 states and 21977 transitions. Word has length 786 [2022-07-22 12:42:37,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:42:37,748 INFO L495 AbstractCegarLoop]: Abstraction has 21336 states and 21977 transitions. [2022-07-22 12:42:37,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:37,748 INFO L276 IsEmpty]: Start isEmpty. Operand 21336 states and 21977 transitions. [2022-07-22 12:42:37,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2022-07-22 12:42:37,766 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:42:37,766 INFO L195 NwaCegarLoop]: 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:42:37,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-22 12:42:37,767 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:42:37,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:42:37,767 INFO L85 PathProgramCache]: Analyzing trace with hash 480283110, now seen corresponding path program 1 times [2022-07-22 12:42:37,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:42:37,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483448628] [2022-07-22 12:42:37,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:37,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:42:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:38,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1618 backedges. 1022 proven. 443 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-22 12:42:38,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:42:38,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483448628] [2022-07-22 12:42:38,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483448628] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:42:38,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812056150] [2022-07-22 12:42:38,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:38,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:42:38,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:42:38,089 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:42:38,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-22 12:42:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:38,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:42:38,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:42:38,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1618 backedges. 1238 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-07-22 12:42:38,583 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 12:42:38,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812056150] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:42:38,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 12:42:38,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-07-22 12:42:38,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063147996] [2022-07-22 12:42:38,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:42:38,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:42:38,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:42:38,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:42:38,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 12:42:38,586 INFO L87 Difference]: Start difference. First operand 21336 states and 21977 transitions. Second operand has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:39,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:42:39,525 INFO L93 Difference]: Finished difference Result 42074 states and 43352 transitions. [2022-07-22 12:42:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:42:39,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 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 957 [2022-07-22 12:42:39,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:42:39,543 INFO L225 Difference]: With dead ends: 42074 [2022-07-22 12:42:39,543 INFO L226 Difference]: Without dead ends: 21039 [2022-07-22 12:42:39,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 961 GetRequests, 957 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 12:42:39,556 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 161 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 12:42:39,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 397 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 12:42:39,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21039 states. [2022-07-22 12:42:39,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21039 to 20735. [2022-07-22 12:42:39,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20735 states, 20734 states have (on average 1.0282145268640879) internal successors, (21319), 20734 states have internal predecessors, (21319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:39,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20735 states to 20735 states and 21319 transitions. [2022-07-22 12:42:39,801 INFO L78 Accepts]: Start accepts. Automaton has 20735 states and 21319 transitions. Word has length 957 [2022-07-22 12:42:39,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:42:39,801 INFO L495 AbstractCegarLoop]: Abstraction has 20735 states and 21319 transitions. [2022-07-22 12:42:39,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:39,802 INFO L276 IsEmpty]: Start isEmpty. Operand 20735 states and 21319 transitions. [2022-07-22 12:42:39,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1033 [2022-07-22 12:42:39,820 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:42:39,821 INFO L195 NwaCegarLoop]: 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:42:39,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-07-22 12:42:40,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:42:40,029 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:42:40,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:42:40,030 INFO L85 PathProgramCache]: Analyzing trace with hash 812749798, now seen corresponding path program 1 times [2022-07-22 12:42:40,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:42:40,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835592695] [2022-07-22 12:42:40,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:40,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:42:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:40,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1671 backedges. 1150 proven. 187 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2022-07-22 12:42:40,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:42:40,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835592695] [2022-07-22 12:42:40,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835592695] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:42:40,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649868508] [2022-07-22 12:42:40,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:40,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:42:40,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:42:40,535 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:42:40,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-22 12:42:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:40,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 1216 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:42:40,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:42:41,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1671 backedges. 793 proven. 46 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2022-07-22 12:42:41,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 12:42:41,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1671 backedges. 793 proven. 46 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2022-07-22 12:42:41,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649868508] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 12:42:41,381 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 12:42:41,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2022-07-22 12:42:41,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139693745] [2022-07-22 12:42:41,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 12:42:41,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-22 12:42:41,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:42:41,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-22 12:42:41,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-07-22 12:42:41,387 INFO L87 Difference]: Start difference. First operand 20735 states and 21319 transitions. Second operand has 12 states, 12 states have (on average 109.08333333333333) internal successors, (1309), 12 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:55,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:42:55,356 INFO L93 Difference]: Finished difference Result 68571 states and 70445 transitions. [2022-07-22 12:42:55,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-07-22 12:42:55,356 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 109.08333333333333) internal successors, (1309), 12 states have internal predecessors, (1309), 0 states have call successors, (0), 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 1032 [2022-07-22 12:42:55,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:42:55,400 INFO L225 Difference]: With dead ends: 68571 [2022-07-22 12:42:55,401 INFO L226 Difference]: Without dead ends: 48137 [2022-07-22 12:42:55,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2155 GetRequests, 2095 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1297 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=818, Invalid=2964, Unknown=0, NotChecked=0, Total=3782 [2022-07-22 12:42:55,420 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 8170 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 22195 mSolverCounterSat, 1240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8170 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 23435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1240 IncrementalHoareTripleChecker+Valid, 22195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-07-22 12:42:55,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8170 Valid, 451 Invalid, 23435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1240 Valid, 22195 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2022-07-22 12:42:55,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48137 states. [2022-07-22 12:42:55,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48137 to 22818. [2022-07-22 12:42:55,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22818 states, 22817 states have (on average 1.0247622386816848) internal successors, (23382), 22817 states have internal predecessors, (23382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:55,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22818 states to 22818 states and 23382 transitions. [2022-07-22 12:42:55,837 INFO L78 Accepts]: Start accepts. Automaton has 22818 states and 23382 transitions. Word has length 1032 [2022-07-22 12:42:55,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:42:55,837 INFO L495 AbstractCegarLoop]: Abstraction has 22818 states and 23382 transitions. [2022-07-22 12:42:55,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 109.08333333333333) internal successors, (1309), 12 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:55,838 INFO L276 IsEmpty]: Start isEmpty. Operand 22818 states and 23382 transitions. [2022-07-22 12:42:55,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1068 [2022-07-22 12:42:55,860 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:42:55,860 INFO L195 NwaCegarLoop]: 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:42:55,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-22 12:42:56,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:42:56,071 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:42:56,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:42:56,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1094124581, now seen corresponding path program 1 times [2022-07-22 12:42:56,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:42:56,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514167770] [2022-07-22 12:42:56,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:56,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:42:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:56,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2210 backedges. 1484 proven. 336 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-07-22 12:42:56,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:42:56,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514167770] [2022-07-22 12:42:56,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514167770] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:42:56,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600633202] [2022-07-22 12:42:56,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:56,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:42:56,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:42:56,473 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:42:56,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-22 12:42:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:56,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 12:42:56,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:42:57,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2210 backedges. 995 proven. 0 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2022-07-22 12:42:57,650 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 12:42:57,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600633202] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:42:57,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 12:42:57,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-07-22 12:42:57,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436145340] [2022-07-22 12:42:57,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:42:57,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 12:42:57,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:42:57,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 12:42:57,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-22 12:42:57,653 INFO L87 Difference]: Start difference. First operand 22818 states and 23382 transitions. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:57,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:42:57,961 INFO L93 Difference]: Finished difference Result 23202 states and 23769 transitions. [2022-07-22 12:42:57,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:42:57,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 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 1067 [2022-07-22 12:42:57,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:42:57,987 INFO L225 Difference]: With dead ends: 23202 [2022-07-22 12:42:57,987 INFO L226 Difference]: Without dead ends: 23200 [2022-07-22 12:42:57,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1071 GetRequests, 1066 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-22 12:42:57,997 INFO L413 NwaCegarLoop]: 492 mSDtfsCounter, 0 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 492 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 12:42:57,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 571 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 191 Invalid, 0 Unknown, 492 Unchecked, 0.2s Time] [2022-07-22 12:42:58,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23200 states. [2022-07-22 12:42:58,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23200 to 23055. [2022-07-22 12:42:58,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23055 states, 23054 states have (on average 1.0246378068881756) internal successors, (23622), 23054 states have internal predecessors, (23622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:58,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23055 states to 23055 states and 23622 transitions. [2022-07-22 12:42:58,403 INFO L78 Accepts]: Start accepts. Automaton has 23055 states and 23622 transitions. Word has length 1067 [2022-07-22 12:42:58,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:42:58,404 INFO L495 AbstractCegarLoop]: Abstraction has 23055 states and 23622 transitions. [2022-07-22 12:42:58,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:42:58,404 INFO L276 IsEmpty]: Start isEmpty. Operand 23055 states and 23622 transitions. [2022-07-22 12:42:58,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1367 [2022-07-22 12:42:58,440 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:42:58,441 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:42:58,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-22 12:42:58,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-07-22 12:42:58,656 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:42:58,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:42:58,657 INFO L85 PathProgramCache]: Analyzing trace with hash 500944219, now seen corresponding path program 1 times [2022-07-22 12:42:58,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:42:58,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576951708] [2022-07-22 12:42:58,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:58,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:42:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:59,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 1291 proven. 46 refuted. 0 times theorem prover too weak. 1935 trivial. 0 not checked. [2022-07-22 12:42:59,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:42:59,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576951708] [2022-07-22 12:42:59,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576951708] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:42:59,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672595589] [2022-07-22 12:42:59,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:42:59,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:42:59,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:42:59,207 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:42:59,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-22 12:42:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:42:59,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 12:42:59,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:43:00,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 1291 proven. 46 refuted. 0 times theorem prover too weak. 1935 trivial. 0 not checked. [2022-07-22 12:43:00,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 12:43:02,058 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 1291 proven. 46 refuted. 0 times theorem prover too weak. 1935 trivial. 0 not checked. [2022-07-22 12:43:02,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672595589] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 12:43:02,059 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 12:43:02,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2022-07-22 12:43:02,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722139399] [2022-07-22 12:43:02,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 12:43:02,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 12:43:02,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:43:02,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 12:43:02,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:43:02,062 INFO L87 Difference]: Start difference. First operand 23055 states and 23622 transitions. Second operand has 4 states, 4 states have (on average 156.25) internal successors, (625), 4 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:43:03,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:43:03,681 INFO L93 Difference]: Finished difference Result 49144 states and 50369 transitions. [2022-07-22 12:43:03,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 12:43:03,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 156.25) internal successors, (625), 4 states have internal predecessors, (625), 0 states have call successors, (0), 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 1366 [2022-07-22 12:43:03,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:43:03,705 INFO L225 Difference]: With dead ends: 49144 [2022-07-22 12:43:03,706 INFO L226 Difference]: Without dead ends: 26045 [2022-07-22 12:43:03,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2736 GetRequests, 2731 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 12:43:03,720 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 299 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 1743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-22 12:43:03,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 159 Invalid, 1743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1600 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-22 12:43:03,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26045 states. [2022-07-22 12:43:03,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26045 to 22156. [2022-07-22 12:43:03,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22156 states, 22155 states have (on average 1.0242383209207855) internal successors, (22692), 22155 states have internal predecessors, (22692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:43:03,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22156 states to 22156 states and 22692 transitions. [2022-07-22 12:43:03,923 INFO L78 Accepts]: Start accepts. Automaton has 22156 states and 22692 transitions. Word has length 1366 [2022-07-22 12:43:03,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:43:03,924 INFO L495 AbstractCegarLoop]: Abstraction has 22156 states and 22692 transitions. [2022-07-22 12:43:03,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 156.25) internal successors, (625), 4 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:43:03,924 INFO L276 IsEmpty]: Start isEmpty. Operand 22156 states and 22692 transitions. [2022-07-22 12:43:03,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1367 [2022-07-22 12:43:03,944 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:43:03,945 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:43:03,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-22 12:43:04,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:43:04,151 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:43:04,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:43:04,152 INFO L85 PathProgramCache]: Analyzing trace with hash 587662881, now seen corresponding path program 2 times [2022-07-22 12:43:04,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:43:04,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195674476] [2022-07-22 12:43:04,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:43:04,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:43:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:43:04,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 2092 proven. 336 refuted. 0 times theorem prover too weak. 844 trivial. 0 not checked. [2022-07-22 12:43:04,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:43:04,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195674476] [2022-07-22 12:43:04,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195674476] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:43:04,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406874641] [2022-07-22 12:43:04,598 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 12:43:04,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:43:04,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:43:04,600 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:43:04,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-22 12:43:04,976 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 12:43:04,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 12:43:04,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 22 conjunts are in the unsatisfiable core [2022-07-22 12:43:04,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:43:23,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 2152 proven. 676 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2022-07-22 12:43:23,950 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 12:43:38,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 1990 proven. 838 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2022-07-22 12:43:38,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406874641] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 12:43:38,785 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 12:43:38,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 14] total 26 [2022-07-22 12:43:38,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804302696] [2022-07-22 12:43:38,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 12:43:38,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-07-22 12:43:38,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:43:38,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-07-22 12:43:38,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2022-07-22 12:43:38,790 INFO L87 Difference]: Start difference. First operand 22156 states and 22692 transitions. Second operand has 26 states, 26 states have (on average 84.92307692307692) internal successors, (2208), 26 states have internal predecessors, (2208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:43:55,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:43:55,870 INFO L93 Difference]: Finished difference Result 57220 states and 58569 transitions. [2022-07-22 12:43:55,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-07-22 12:43:55,871 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 84.92307692307692) internal successors, (2208), 26 states have internal predecessors, (2208), 0 states have call successors, (0), 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 1366 [2022-07-22 12:43:55,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:43:55,872 INFO L225 Difference]: With dead ends: 57220 [2022-07-22 12:43:55,872 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 12:43:55,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2870 GetRequests, 2771 SyntacticMatches, 1 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3270 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=2239, Invalid=7661, Unknown=0, NotChecked=0, Total=9900 [2022-07-22 12:43:55,886 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 18656 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 19219 mSolverCounterSat, 1601 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18656 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 20820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1601 IncrementalHoareTripleChecker+Valid, 19219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2022-07-22 12:43:55,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18656 Valid, 568 Invalid, 20820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1601 Valid, 19219 Invalid, 0 Unknown, 0 Unchecked, 11.7s Time] [2022-07-22 12:43:55,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 12:43:55,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 12:43:55,887 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) [2022-07-22 12:43:55,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 12:43:55,887 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1366 [2022-07-22 12:43:55,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:43:55,887 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 12:43:55,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 84.92307692307692) internal successors, (2208), 26 states have internal predecessors, (2208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:43:55,888 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 12:43:55,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 12:43:55,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 12:43:55,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-07-22 12:43:56,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-07-22 12:43:56,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 12:44:01,844 WARN L233 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 619 DAG size of output: 610 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-22 12:44:22,750 WARN L233 SmtUtils]: Spent 20.90s on a formula simplification. DAG size of input: 870 DAG size of output: 868 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-22 12:44:43,435 WARN L233 SmtUtils]: Spent 20.68s on a formula simplification. DAG size of input: 866 DAG size of output: 867 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-22 12:44:56,105 WARN L233 SmtUtils]: Spent 8.47s on a formula simplification. DAG size of input: 868 DAG size of output: 192 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-07-22 12:45:04,576 WARN L233 SmtUtils]: Spent 8.47s on a formula simplification. DAG size of input: 867 DAG size of output: 192 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-07-22 12:45:04,580 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,580 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,580 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,581 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2022-07-22 12:45:04,581 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,581 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,581 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2022-07-22 12:45:04,581 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2022-07-22 12:45:04,581 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,581 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,581 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,581 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-07-22 12:45:04,581 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,581 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,581 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,581 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,581 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,581 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-07-22 12:45:04,581 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,581 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,582 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2022-07-22 12:45:04,582 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2022-07-22 12:45:04,582 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,582 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,582 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2022-07-22 12:45:04,582 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,582 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-07-22 12:45:04,582 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,582 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2022-07-22 12:45:04,583 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2022-07-22 12:45:04,583 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,583 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,583 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2022-07-22 12:45:04,583 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2022-07-22 12:45:04,583 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,583 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,584 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,584 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,584 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,584 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-07-22 12:45:04,584 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,584 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,584 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,584 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,585 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,585 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,585 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-07-22 12:45:04,585 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,585 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,585 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,585 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2022-07-22 12:45:04,585 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,586 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,586 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-07-22 12:45:04,586 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,586 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,586 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,586 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,586 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,587 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,587 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-07-22 12:45:04,587 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,587 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,587 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,587 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,587 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2022-07-22 12:45:04,587 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2022-07-22 12:45:04,588 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,588 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,588 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,588 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,588 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-07-22 12:45:04,588 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2022-07-22 12:45:04,588 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,588 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,589 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,589 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,589 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,589 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2022-07-22 12:45:04,589 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,589 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2022-07-22 12:45:04,589 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2022-07-22 12:45:04,589 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2022-07-22 12:45:04,590 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-07-22 12:45:04,590 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,590 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,590 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,590 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,590 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,590 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2022-07-22 12:45:04,590 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,591 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,591 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-07-22 12:45:04,591 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 12:45:04,591 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 161) no Hoare annotation was computed. [2022-07-22 12:45:04,591 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,591 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2022-07-22 12:45:04,591 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,592 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,592 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,592 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-07-22 12:45:04,592 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,592 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2022-07-22 12:45:04,592 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2022-07-22 12:45:04,592 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2022-07-22 12:45:04,592 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2022-07-22 12:45:04,593 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2022-07-22 12:45:04,593 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2022-07-22 12:45:04,593 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,593 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,593 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,593 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,593 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2022-07-22 12:45:04,593 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2022-07-22 12:45:04,594 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,594 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-07-22 12:45:04,594 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,594 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,594 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,594 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,594 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,595 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,595 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-07-22 12:45:04,595 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,595 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,595 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,595 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,595 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,595 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2022-07-22 12:45:04,596 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2022-07-22 12:45:04,596 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,596 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-07-22 12:45:04,596 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2022-07-22 12:45:04,596 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2022-07-22 12:45:04,596 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,596 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2022-07-22 12:45:04,596 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2022-07-22 12:45:04,597 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,597 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,597 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,597 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,597 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-07-22 12:45:04,597 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2022-07-22 12:45:04,597 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,597 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,598 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,598 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2022-07-22 12:45:04,598 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2022-07-22 12:45:04,598 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,598 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-07-22 12:45:04,598 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,598 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,598 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,599 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,599 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,599 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,599 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-07-22 12:45:04,599 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,599 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,599 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2022-07-22 12:45:04,600 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,600 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,600 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,600 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,600 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-07-22 12:45:04,600 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,600 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,600 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,601 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,601 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,601 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-07-22 12:45:04,601 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,601 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,601 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,601 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,601 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2022-07-22 12:45:04,602 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,602 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,602 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 12:45:04,602 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,602 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2022-07-22 12:45:04,602 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2022-07-22 12:45:04,602 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,602 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,603 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-07-22 12:45:04,603 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,603 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,603 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,603 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,603 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,603 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-07-22 12:45:04,604 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,604 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,604 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,604 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,604 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,604 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-07-22 12:45:04,604 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,604 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,605 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2022-07-22 12:45:04,605 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,605 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-07-22 12:45:04,605 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-07-22 12:45:04,605 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,605 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,605 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,605 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,606 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,606 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2022-07-22 12:45:04,606 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2022-07-22 12:45:04,606 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,606 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-07-22 12:45:04,606 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-07-22 12:45:04,606 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,606 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,607 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,607 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,607 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,607 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2022-07-22 12:45:04,607 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2022-07-22 12:45:04,607 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2022-07-22 12:45:04,607 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2022-07-22 12:45:04,607 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,608 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,608 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,608 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-07-22 12:45:04,608 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-07-22 12:45:04,608 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,608 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2022-07-22 12:45:04,608 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,608 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,609 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,609 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,609 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2022-07-22 12:45:04,609 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2022-07-22 12:45:04,609 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-07-22 12:45:04,609 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,609 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-07-22 12:45:04,609 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,610 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,610 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,610 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,610 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,610 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,610 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,610 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,610 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-07-22 12:45:04,611 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-07-22 12:45:04,611 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2022-07-22 12:45:04,611 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2022-07-22 12:45:04,611 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,611 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,611 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,611 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,612 INFO L895 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse31 (+ ~a4~0 86))) (let ((.cse29 (+ ~a29~0 16)) (.cse30 (+ ~a0~0 61)) (.cse21 (<= (+ ~a0~0 147) 0)) (.cse22 (<= .cse31 0)) (.cse26 (= |ULTIMATE.start_calculate_output_~input#1| 4)) (.cse28 (= |ULTIMATE.start_calculate_output2_~input#1| 4))) (let ((.cse8 (= ~a2~0 1)) (.cse13 (< 0 .cse31)) (.cse20 (= 2 ~a2~0)) (.cse23 (<= (+ ~a29~0 144) 0)) (.cse7 (<= (+ ~a29~0 18) 0)) (.cse10 (<= (+ ~a29~0 127) 0)) (.cse17 (or (= |ULTIMATE.start_calculate_output2_~input#1| 1) (= 3 |ULTIMATE.start_calculate_output2_~input#1|) (= 5 |ULTIMATE.start_calculate_output2_~input#1|) (= 2 |ULTIMATE.start_calculate_output2_~input#1|) (= 6 |ULTIMATE.start_calculate_output2_~input#1|) .cse28)) (.cse16 (= ~a2~0 4)) (.cse19 (or (= |ULTIMATE.start_calculate_output_~input#1| 6) (= |ULTIMATE.start_calculate_output_~input#1| 2) (= |ULTIMATE.start_calculate_output_~input#1| 1) (= |ULTIMATE.start_calculate_output_~input#1| 3) .cse26 (= |ULTIMATE.start_calculate_output_~input#1| 5))) (.cse24 (< 43 ~a29~0)) (.cse3 (= 3 ~a2~0)) (.cse5 (<= (+ 89 ~a4~0) 0)) (.cse4 (<= 2 ~a2~0)) (.cse18 (not .cse22)) (.cse15 (not .cse21)) (.cse6 (<= ~a2~0 2)) (.cse0 (< 0 .cse30)) (.cse2 (<= 0 (+ ~a29~0 31))) (.cse14 (<= (+ 104 ~a0~0) 0)) (.cse12 (= 5 ~a2~0)) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse25 (<= .cse29 0)) (.cse9 (<= 0 (+ 142 ~a29~0))) (.cse11 (<= .cse30 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse5 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse4 .cse10 .cse6) (and .cse1 .cse7 .cse3 .cse11) (and .cse12 .cse5 .cse2) (and .cse13 .cse1 .cse8 .cse9 (<= ~a29~0 401234)) (and .cse14 .cse1 .cse7 .cse15 .cse16 .cse9 .cse11) (and .cse14 .cse12 .cse17 .cse1 .cse18 .cse15 .cse19 .cse11) (and (<= 340333 ~a29~0) .cse1 .cse15 .cse16 .cse11) (and .cse13 .cse1 .cse8 .cse10 .cse11) (and .cse14 .cse1 .cse8) (and .cse13 .cse1 .cse20 .cse21) (and .cse8 .cse22 .cse11 .cse23) (and .cse5 .cse16 (or .cse24 .cse25)) (and .cse1 .cse18 .cse15 .cse3 .cse11) (and .cse13 .cse24 .cse1 .cse15 .cse16 .cse11) (and .cse12 .cse24 .cse1) (let ((.cse27 (< 0 (+ 98 ~a0~0)))) (and .cse1 .cse20 .cse18 .cse15 .cse11 (or (not .cse26) .cse27) (or (not .cse28) .cse27) .cse6)) (and .cse1 .cse8 .cse25 .cse9 .cse11) (and .cse0 .cse1 .cse16 (< 0 .cse29)) (and .cse13 .cse1 .cse20 .cse23) (and .cse5 .cse15 .cse11) (and .cse5 .cse3) (and .cse17 .cse1 .cse18 .cse7 .cse15 .cse16 .cse19 .cse9 .cse11) (and .cse5 .cse10 .cse11) (and .cse12 .cse17 .cse1 .cse18 .cse19 .cse9 .cse11) (and .cse14 .cse24 .cse4 .cse11 .cse6) (and .cse17 .cse1 .cse18 (not .cse25) .cse16 .cse19) (and .cse14 (not .cse24) .cse1 .cse3 .cse11) (and .cse5 .cse11 .cse6) (and .cse1 .cse4 .cse18 .cse15 .cse2 .cse11 .cse6) (and .cse0 .cse12 .cse1 .cse2) (and .cse14 .cse12 .cse1 .cse25 .cse9 .cse11))))) [2022-07-22 12:45:04,612 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-07-22 12:45:04,612 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-07-22 12:45:04,612 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,613 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,613 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,613 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,613 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,613 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,613 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,613 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2022-07-22 12:45:04,613 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,614 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2022-07-22 12:45:04,614 INFO L902 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2022-07-22 12:45:04,614 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,614 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2022-07-22 12:45:04,614 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2022-07-22 12:45:04,614 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-07-22 12:45:04,614 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-07-22 12:45:04,614 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,615 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,615 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,615 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,615 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,615 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-07-22 12:45:04,615 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-07-22 12:45:04,615 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,615 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2022-07-22 12:45:04,616 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2022-07-22 12:45:04,616 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,616 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,616 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 12:45:04,616 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,616 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,616 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,616 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,617 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse35 (+ ~a29~0 16)) (.cse39 (+ ~a4~0 86))) (let ((.cse38 (+ ~a0~0 61)) (.cse36 (<= (+ ~a0~0 147) 0)) (.cse32 (<= .cse39 0)) (.cse16 (<= .cse35 0)) (.cse17 (= ~a2~0 4)) (.cse25 (= |ULTIMATE.start_calculate_output_~input#1| 1)) (.cse31 (= |ULTIMATE.start_calculate_output2_~input#1| 4)) (.cse23 (= |ULTIMATE.start_calculate_output_~input#1| 6)) (.cse37 (= |ULTIMATE.start_calculate_output_~input#1| 2)) (.cse26 (= |ULTIMATE.start_calculate_output_~input#1| 3)) (.cse22 (= |ULTIMATE.start_calculate_output_~input#1| 4)) (.cse24 (= |ULTIMATE.start_calculate_output_~input#1| 5))) (let ((.cse12 (<= (+ ~a29~0 18) 0)) (.cse13 (= ~a2~0 1)) (.cse20 (< 0 .cse39)) (.cse28 (= 2 ~a2~0)) (.cse33 (<= (+ ~a29~0 144) 0)) (.cse7 (or .cse23 .cse37 .cse26 .cse22 .cse24)) (.cse29 (not .cse22)) (.cse15 (<= (+ ~a29~0 127) 0)) (.cse27 (< 43 ~a29~0)) (.cse3 (= 3 ~a2~0)) (.cse34 (or (= |ULTIMATE.start_calculate_output2_~input#1| 1) (= 3 |ULTIMATE.start_calculate_output2_~input#1|) (= 5 |ULTIMATE.start_calculate_output2_~input#1|) (= 2 |ULTIMATE.start_calculate_output2_~input#1|) (= 6 |ULTIMATE.start_calculate_output2_~input#1|) .cse31)) (.cse19 (or .cse23 .cse37 .cse25 .cse26 .cse22 .cse24)) (.cse10 (<= (+ 89 ~a4~0) 0)) (.cse21 (or (not .cse16) (not .cse17))) (.cse9 (<= 2 ~a2~0)) (.cse6 (not .cse32)) (.cse18 (not .cse36)) (.cse11 (<= ~a2~0 2)) (.cse0 (< 0 .cse38)) (.cse2 (<= 0 (+ ~a29~0 31))) (.cse4 (<= (+ 104 ~a0~0) 0)) (.cse5 (= 5 ~a2~0)) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse14 (<= 0 (+ 142 ~a29~0))) (.cse8 (<= .cse38 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse6 .cse7 .cse2 .cse8) (and .cse9 .cse10 .cse11) (and .cse10 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse9 .cse15 .cse11) (and .cse10 (or (not (<= ~a29~0 43)) .cse16) .cse17) (and .cse1 .cse12 .cse3 .cse8) (and .cse5 .cse10 .cse2) (and .cse1 .cse6 .cse12 .cse18 .cse17 .cse19 .cse14 .cse8) (and .cse20 .cse1 .cse13 .cse14 (<= ~a29~0 401234)) (and .cse4 .cse1 .cse12 .cse18 .cse17 .cse14 .cse8) (and .cse1 .cse6 .cse18 .cse17 .cse19 .cse21 .cse8) (and (<= 340333 ~a29~0) .cse1 .cse18 .cse17 .cse8) (and .cse20 .cse1 .cse13 .cse15 .cse8) (and .cse4 .cse1 .cse13) (and .cse4 (or (and .cse20 .cse22) (and .cse20 .cse23) (and .cse20 .cse24)) .cse1 .cse3 .cse8) (and .cse4 .cse5 (not .cse25) .cse1 .cse6 .cse18 .cse16 .cse8) (and .cse20 .cse4 .cse1 .cse26 .cse3 .cse8) (and .cse1 .cse6 .cse18 .cse3 .cse8) (and .cse20 .cse27 .cse1 .cse18 .cse17 .cse8) (and .cse5 .cse27 .cse1) (let ((.cse30 (< 0 (+ 98 ~a0~0)))) (and .cse1 .cse28 .cse6 .cse18 .cse8 (or .cse29 .cse30) (or (not .cse31) .cse30) .cse11)) (and .cse5 .cse1 .cse6 .cse18 .cse2 .cse8) (and .cse20 .cse4 .cse1 .cse28 .cse8 .cse11) (and .cse13 .cse32 .cse33) (and .cse4 .cse5 .cse34 .cse1 .cse6 .cse18 .cse16 .cse8) (and .cse5 .cse1 .cse6 .cse12 .cse19 .cse14 .cse8) (and .cse1 .cse13 .cse16 .cse14 .cse8) (and .cse0 .cse1 .cse17 (< 0 .cse35)) (and .cse20 .cse1 .cse28 .cse33) (and .cse10 .cse18 .cse8) (and (not .cse24) (not .cse23) .cse1 .cse6 .cse36 .cse7 (not .cse37) .cse29 .cse17 (< 0 (+ (div (+ 599998 ~a29~0) 299928) 1))) (and .cse10 .cse3) (and .cse10 .cse15 .cse8) (and .cse4 .cse27 .cse9 .cse8 .cse11) (and .cse4 (not .cse27) .cse1 .cse3 .cse8) (and .cse4 .cse5 .cse34 .cse1 .cse6 .cse19 .cse2 .cse8) (and .cse10 .cse8 .cse11) (and .cse4 .cse1 .cse6 .cse17 .cse21) (and .cse1 .cse9 .cse6 .cse18 .cse2 .cse8 .cse11) (and .cse0 .cse5 .cse1 .cse2) (and .cse4 .cse5 .cse1 .cse16 .cse14 .cse8))))) [2022-07-22 12:45:04,617 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,617 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-07-22 12:45:04,617 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-07-22 12:45:04,617 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,618 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,618 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,618 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,618 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,618 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,618 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-22 12:45:04,618 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-07-22 12:45:04,618 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,619 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,619 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2022-07-22 12:45:04,619 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,619 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,619 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,619 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,619 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,619 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,620 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-07-22 12:45:04,620 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-07-22 12:45:04,620 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,620 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,620 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,620 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,620 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,620 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,621 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-07-22 12:45:04,621 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,621 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-07-22 12:45:04,621 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,621 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,621 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,621 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,621 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,622 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,622 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,622 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-07-22 12:45:04,622 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-07-22 12:45:04,622 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,622 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,622 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,622 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,623 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,623 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,623 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,623 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-07-22 12:45:04,623 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-07-22 12:45:04,623 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,623 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,623 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,624 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,624 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,624 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,624 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,624 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2022-07-22 12:45:04,624 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2022-07-22 12:45:04,624 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,624 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-07-22 12:45:04,625 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-07-22 12:45:04,625 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,625 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,625 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,625 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,625 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,625 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,626 INFO L895 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse35 (+ ~a29~0 16)) (.cse39 (+ ~a4~0 86))) (let ((.cse38 (+ ~a0~0 61)) (.cse36 (<= (+ ~a0~0 147) 0)) (.cse32 (<= .cse39 0)) (.cse16 (<= .cse35 0)) (.cse17 (= ~a2~0 4)) (.cse25 (= |ULTIMATE.start_calculate_output_~input#1| 1)) (.cse31 (= |ULTIMATE.start_calculate_output2_~input#1| 4)) (.cse23 (= |ULTIMATE.start_calculate_output_~input#1| 6)) (.cse37 (= |ULTIMATE.start_calculate_output_~input#1| 2)) (.cse26 (= |ULTIMATE.start_calculate_output_~input#1| 3)) (.cse22 (= |ULTIMATE.start_calculate_output_~input#1| 4)) (.cse24 (= |ULTIMATE.start_calculate_output_~input#1| 5))) (let ((.cse12 (<= (+ ~a29~0 18) 0)) (.cse13 (= ~a2~0 1)) (.cse20 (< 0 .cse39)) (.cse28 (= 2 ~a2~0)) (.cse33 (<= (+ ~a29~0 144) 0)) (.cse7 (or .cse23 .cse37 .cse26 .cse22 .cse24)) (.cse29 (not .cse22)) (.cse15 (<= (+ ~a29~0 127) 0)) (.cse27 (< 43 ~a29~0)) (.cse3 (= 3 ~a2~0)) (.cse34 (or (= |ULTIMATE.start_calculate_output2_~input#1| 1) (= 3 |ULTIMATE.start_calculate_output2_~input#1|) (= 5 |ULTIMATE.start_calculate_output2_~input#1|) (= 2 |ULTIMATE.start_calculate_output2_~input#1|) (= 6 |ULTIMATE.start_calculate_output2_~input#1|) .cse31)) (.cse19 (or .cse23 .cse37 .cse25 .cse26 .cse22 .cse24)) (.cse10 (<= (+ 89 ~a4~0) 0)) (.cse21 (or (not .cse16) (not .cse17))) (.cse9 (<= 2 ~a2~0)) (.cse6 (not .cse32)) (.cse18 (not .cse36)) (.cse11 (<= ~a2~0 2)) (.cse0 (< 0 .cse38)) (.cse2 (<= 0 (+ ~a29~0 31))) (.cse4 (<= (+ 104 ~a0~0) 0)) (.cse5 (= 5 ~a2~0)) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse14 (<= 0 (+ 142 ~a29~0))) (.cse8 (<= .cse38 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse6 .cse7 .cse2 .cse8) (and .cse9 .cse10 .cse11) (and .cse10 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse9 .cse15 .cse11) (and .cse10 (or (not (<= ~a29~0 43)) .cse16) .cse17) (and .cse1 .cse12 .cse3 .cse8) (and .cse5 .cse10 .cse2) (and .cse1 .cse6 .cse12 .cse18 .cse17 .cse19 .cse14 .cse8) (and .cse20 .cse1 .cse13 .cse14 (<= ~a29~0 401234)) (and .cse4 .cse1 .cse12 .cse18 .cse17 .cse14 .cse8) (and .cse1 .cse6 .cse18 .cse17 .cse19 .cse21 .cse8) (and (<= 340333 ~a29~0) .cse1 .cse18 .cse17 .cse8) (and .cse20 .cse1 .cse13 .cse15 .cse8) (and .cse4 .cse1 .cse13) (and .cse4 (or (and .cse20 .cse22) (and .cse20 .cse23) (and .cse20 .cse24)) .cse1 .cse3 .cse8) (and .cse4 .cse5 (not .cse25) .cse1 .cse6 .cse18 .cse16 .cse8) (and .cse20 .cse4 .cse1 .cse26 .cse3 .cse8) (and .cse1 .cse6 .cse18 .cse3 .cse8) (and .cse20 .cse27 .cse1 .cse18 .cse17 .cse8) (and .cse5 .cse27 .cse1) (let ((.cse30 (< 0 (+ 98 ~a0~0)))) (and .cse1 .cse28 .cse6 .cse18 .cse8 (or .cse29 .cse30) (or (not .cse31) .cse30) .cse11)) (and .cse5 .cse1 .cse6 .cse18 .cse2 .cse8) (and .cse20 .cse4 .cse1 .cse28 .cse8 .cse11) (and .cse13 .cse32 .cse33) (and .cse4 .cse5 .cse34 .cse1 .cse6 .cse18 .cse16 .cse8) (and .cse5 .cse1 .cse6 .cse12 .cse19 .cse14 .cse8) (and .cse1 .cse13 .cse16 .cse14 .cse8) (and .cse0 .cse1 .cse17 (< 0 .cse35)) (and .cse20 .cse1 .cse28 .cse33) (and .cse10 .cse18 .cse8) (and (not .cse24) (not .cse23) .cse1 .cse6 .cse36 .cse7 (not .cse37) .cse29 .cse17 (< 0 (+ (div (+ 599998 ~a29~0) 299928) 1))) (and .cse10 .cse3) (and .cse10 .cse15 .cse8) (and .cse4 .cse27 .cse9 .cse8 .cse11) (and .cse4 (not .cse27) .cse1 .cse3 .cse8) (and .cse4 .cse5 .cse34 .cse1 .cse6 .cse19 .cse2 .cse8) (and .cse10 .cse8 .cse11) (and .cse4 .cse1 .cse6 .cse17 .cse21) (and .cse1 .cse9 .cse6 .cse18 .cse2 .cse8 .cse11) (and .cse0 .cse5 .cse1 .cse2) (and .cse4 .cse5 .cse1 .cse16 .cse14 .cse8))))) [2022-07-22 12:45:04,626 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-22 12:45:04,626 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-07-22 12:45:04,626 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,626 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,626 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,626 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,627 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,627 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,627 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,627 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,627 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-07-22 12:45:04,627 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-07-22 12:45:04,627 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,627 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2022-07-22 12:45:04,628 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2022-07-22 12:45:04,628 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,628 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,628 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,628 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,628 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,628 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2022-07-22 12:45:04,628 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 12:45:04,629 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-07-22 12:45:04,629 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,629 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,629 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,629 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,629 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2022-07-22 12:45:04,629 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2022-07-22 12:45:04,629 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2022-07-22 12:45:04,629 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,630 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2022-07-22 12:45:04,630 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-07-22 12:45:04,630 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,630 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,630 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,630 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,630 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,630 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,631 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,631 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-07-22 12:45:04,631 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2022-07-22 12:45:04,631 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,631 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,631 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,631 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-07-22 12:45:04,631 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,632 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,632 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2022-07-22 12:45:04,632 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,632 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,632 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,632 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,632 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,632 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,633 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,633 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2022-07-22 12:45:04,633 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2022-07-22 12:45:04,633 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,633 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-07-22 12:45:04,633 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,633 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:45:04,633 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,634 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-07-22 12:45:04,634 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2022-07-22 12:45:04,637 INFO L356 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:45:04,638 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 12:45:04,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 12:45:04 BoogieIcfgContainer [2022-07-22 12:45:04,676 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 12:45:04,677 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 12:45:04,677 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 12:45:04,677 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 12:45:04,678 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:41:51" (3/4) ... [2022-07-22 12:45:04,680 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 12:45:04,707 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-22 12:45:04,710 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 12:45:04,712 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 12:45:04,714 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 12:45:04,839 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 12:45:04,839 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 12:45:04,840 INFO L158 Benchmark]: Toolchain (without parser) took 197106.98ms. Allocated memory was 98.6MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 62.7MB in the beginning and 906.3MB in the end (delta: -843.6MB). Peak memory consumption was 789.0MB. Max. memory is 16.1GB. [2022-07-22 12:45:04,840 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory was 56.4MB in the beginning and 56.4MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 12:45:04,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1024.66ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 62.5MB in the beginning and 61.9MB in the end (delta: 612.6kB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2022-07-22 12:45:04,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 208.31ms. Allocated memory is still 119.5MB. Free memory was 61.9MB in the beginning and 52.4MB in the end (delta: 9.5MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2022-07-22 12:45:04,841 INFO L158 Benchmark]: Boogie Preprocessor took 215.46ms. Allocated memory was 119.5MB in the beginning and 203.4MB in the end (delta: 83.9MB). Free memory was 52.4MB in the beginning and 136.2MB in the end (delta: -83.8MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2022-07-22 12:45:04,841 INFO L158 Benchmark]: RCFGBuilder took 2438.73ms. Allocated memory was 203.4MB in the beginning and 364.9MB in the end (delta: 161.5MB). Free memory was 136.2MB in the beginning and 279.0MB in the end (delta: -142.8MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. [2022-07-22 12:45:04,841 INFO L158 Benchmark]: TraceAbstraction took 193049.14ms. Allocated memory was 364.9MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 277.9MB in the beginning and 930.9MB in the end (delta: -653.0MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-07-22 12:45:04,842 INFO L158 Benchmark]: Witness Printer took 162.19ms. Allocated memory is still 1.7GB. Free memory was 930.9MB in the beginning and 906.3MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-22 12:45:04,843 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory was 56.4MB in the beginning and 56.4MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1024.66ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 62.5MB in the beginning and 61.9MB in the end (delta: 612.6kB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 208.31ms. Allocated memory is still 119.5MB. Free memory was 61.9MB in the beginning and 52.4MB in the end (delta: 9.5MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 215.46ms. Allocated memory was 119.5MB in the beginning and 203.4MB in the end (delta: 83.9MB). Free memory was 52.4MB in the beginning and 136.2MB in the end (delta: -83.8MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2438.73ms. Allocated memory was 203.4MB in the beginning and 364.9MB in the end (delta: 161.5MB). Free memory was 136.2MB in the beginning and 279.0MB in the end (delta: -142.8MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. * TraceAbstraction took 193049.14ms. Allocated memory was 364.9MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 277.9MB in the beginning and 930.9MB in the end (delta: -653.0MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 162.19ms. Allocated memory is still 1.7GB. Free memory was 930.9MB in the beginning and 906.3MB in the end (delta: 24.6MB). 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: 161]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 192.9s, OverallIterations: 24, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 65.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 68.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35841 SdHoareTripleChecker+Valid, 55.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35841 mSDsluCounter, 8230 SdHoareTripleChecker+Invalid, 46.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 492 IncrementalHoareTripleChecker+Unchecked, 1815 mSDsCounter, 6967 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66461 IncrementalHoareTripleChecker+Invalid, 73920 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6967 mSolverCounterUnsat, 6415 mSDtfsCounter, 66461 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14054 GetRequests, 13830 SyntacticMatches, 4 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4615 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27983occurred in iteration=15, InterpolantAutomatonStates: 228, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.6s AutomataMinimizationTime, 24 MinimizatonAttempts, 60618 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 573 NumberOfFragments, 3320 HoareAnnotationTreeSize, 4 FomulaSimplifications, 108636 FormulaSimplificationTreeSizeReduction, 47.3s HoareSimplificationTime, 4 FomulaSimplificationsInter, 795271 FormulaSimplificationTreeSizeReductionInter, 21.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 46.7s InterpolantComputationTime, 23869 NumberOfCodeBlocks, 23869 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 28943 ConstructedInterpolants, 46 QuantifiedInterpolants, 171759 SizeOfPredicates, 21 NumberOfNonLiveVariables, 10270 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 39 InterpolantComputations, 20 PerfectInterpolantSequences, 43635/47364 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((0 < a0 + 61 && 42 + a4 <= 0) && 0 <= a29 + 31) && 3 == a2) || ((2 <= a2 && 89 + a4 <= 0) && a2 <= 2)) || (((89 + a4 <= 0 && a29 + 18 <= 0) && a2 == 1) && 0 <= 142 + a29)) || ((((0 < a0 + 61 && 42 + a4 <= 0) && 2 <= a2) && a29 + 127 <= 0) && a2 <= 2)) || (((42 + a4 <= 0 && a29 + 18 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((5 == a2 && 89 + a4 <= 0) && 0 <= a29 + 31)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && 0 <= 142 + a29) && a29 <= 401234)) || ((((((104 + a0 <= 0 && 42 + a4 <= 0) && a29 + 18 <= 0) && !(a0 + 147 <= 0)) && a2 == 4) && 0 <= 142 + a29) && a0 + 61 <= 0)) || (((((((104 + a0 <= 0 && 5 == a2) && (((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4)) && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && !(a0 + 147 <= 0)) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && a0 + 61 <= 0)) || ((((340333 <= a29 && 42 + a4 <= 0) && !(a0 + 147 <= 0)) && a2 == 4) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && a29 + 127 <= 0) && a0 + 61 <= 0)) || ((104 + a0 <= 0 && 42 + a4 <= 0) && a2 == 1)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0)) || (((a2 == 1 && a4 + 86 <= 0) && a0 + 61 <= 0) && a29 + 144 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && (43 < a29 || a29 + 16 <= 0))) || ((((42 + a4 <= 0 && !(a4 + 86 <= 0)) && !(a0 + 147 <= 0)) && 3 == a2) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && !(a0 + 147 <= 0)) && a2 == 4) && a0 + 61 <= 0)) || ((5 == a2 && 43 < a29) && 42 + a4 <= 0)) || (((((((42 + a4 <= 0 && 2 == a2) && !(a4 + 86 <= 0)) && !(a0 + 147 <= 0)) && a0 + 61 <= 0) && (!(input == 4) || 0 < 98 + a0)) && (!(input == 4) || 0 < 98 + a0)) && a2 <= 2)) || ((((42 + a4 <= 0 && a2 == 1) && a29 + 16 <= 0) && 0 <= 142 + a29) && a0 + 61 <= 0)) || (((0 < a0 + 61 && 42 + a4 <= 0) && a2 == 4) && 0 < a29 + 16)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a29 + 144 <= 0)) || ((89 + a4 <= 0 && !(a0 + 147 <= 0)) && a0 + 61 <= 0)) || (89 + a4 <= 0 && 3 == a2)) || (((((((((((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4) && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && a29 + 18 <= 0) && !(a0 + 147 <= 0)) && a2 == 4) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a29 + 127 <= 0) && a0 + 61 <= 0)) || ((((((5 == a2 && (((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4)) && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && a0 + 61 <= 0)) || ((((104 + a0 <= 0 && 43 < a29) && 2 <= a2) && a0 + 61 <= 0) && a2 <= 2)) || ((((((((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4) && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && !(a29 + 16 <= 0)) && a2 == 4) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5))) || ((((104 + a0 <= 0 && !(43 < a29)) && 42 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a0 + 61 <= 0) && a2 <= 2)) || ((((((42 + a4 <= 0 && 2 <= a2) && !(a4 + 86 <= 0)) && !(a0 + 147 <= 0)) && 0 <= a29 + 31) && a0 + 61 <= 0) && a2 <= 2)) || (((0 < a0 + 61 && 5 == a2) && 42 + a4 <= 0) && 0 <= a29 + 31)) || (((((104 + a0 <= 0 && 5 == a2) && 42 + a4 <= 0) && a29 + 16 <= 0) && 0 <= 142 + a29) && a0 + 61 <= 0) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((0 < a0 + 61 && 42 + a4 <= 0) && 0 <= a29 + 31) && 3 == a2) || ((((((104 + a0 <= 0 && 5 == a2) && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && ((((input == 6 || input == 2) || input == 3) || input == 4) || input == 5)) && 0 <= a29 + 31) && a0 + 61 <= 0)) || ((2 <= a2 && 89 + a4 <= 0) && a2 <= 2)) || (((89 + a4 <= 0 && a29 + 18 <= 0) && a2 == 1) && 0 <= 142 + a29)) || ((((0 < a0 + 61 && 42 + a4 <= 0) && 2 <= a2) && a29 + 127 <= 0) && a2 <= 2)) || ((89 + a4 <= 0 && (!(a29 <= 43) || a29 + 16 <= 0)) && a2 == 4)) || (((42 + a4 <= 0 && a29 + 18 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((5 == a2 && 89 + a4 <= 0) && 0 <= a29 + 31)) || (((((((42 + a4 <= 0 && !(a4 + 86 <= 0)) && a29 + 18 <= 0) && !(a0 + 147 <= 0)) && a2 == 4) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && 0 <= 142 + a29) && a29 <= 401234)) || ((((((104 + a0 <= 0 && 42 + a4 <= 0) && a29 + 18 <= 0) && !(a0 + 147 <= 0)) && a2 == 4) && 0 <= 142 + a29) && a0 + 61 <= 0)) || ((((((42 + a4 <= 0 && !(a4 + 86 <= 0)) && !(a0 + 147 <= 0)) && a2 == 4) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && (!(a29 + 16 <= 0) || !(a2 == 4))) && a0 + 61 <= 0)) || ((((340333 <= a29 && 42 + a4 <= 0) && !(a0 + 147 <= 0)) && a2 == 4) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && a29 + 127 <= 0) && a0 + 61 <= 0)) || ((104 + a0 <= 0 && 42 + a4 <= 0) && a2 == 1)) || ((((104 + a0 <= 0 && (((0 < a4 + 86 && input == 4) || (0 < a4 + 86 && input == 6)) || (0 < a4 + 86 && input == 5))) && 42 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((((((104 + a0 <= 0 && 5 == a2) && !(input == 1)) && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && !(a0 + 147 <= 0)) && a29 + 16 <= 0) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && input == 3) && 3 == a2) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && !(a4 + 86 <= 0)) && !(a0 + 147 <= 0)) && 3 == a2) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && !(a0 + 147 <= 0)) && a2 == 4) && a0 + 61 <= 0)) || ((5 == a2 && 43 < a29) && 42 + a4 <= 0)) || (((((((42 + a4 <= 0 && 2 == a2) && !(a4 + 86 <= 0)) && !(a0 + 147 <= 0)) && a0 + 61 <= 0) && (!(input == 4) || 0 < 98 + a0)) && (!(input == 4) || 0 < 98 + a0)) && a2 <= 2)) || (((((5 == a2 && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && !(a0 + 147 <= 0)) && 0 <= a29 + 31) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2) && a0 + 61 <= 0) && a2 <= 2)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((((((104 + a0 <= 0 && 5 == a2) && (((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4)) && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && !(a0 + 147 <= 0)) && a29 + 16 <= 0) && a0 + 61 <= 0)) || ((((((5 == a2 && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && a29 + 18 <= 0) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && a2 == 1) && a29 + 16 <= 0) && 0 <= 142 + a29) && a0 + 61 <= 0)) || (((0 < a0 + 61 && 42 + a4 <= 0) && a2 == 4) && 0 < a29 + 16)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a29 + 144 <= 0)) || ((89 + a4 <= 0 && !(a0 + 147 <= 0)) && a0 + 61 <= 0)) || (((((((((!(input == 5) && !(input == 6)) && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && a0 + 147 <= 0) && ((((input == 6 || input == 2) || input == 3) || input == 4) || input == 5)) && !(input == 2)) && !(input == 4)) && a2 == 4) && 0 < (599998 + a29) / 299928 + 1)) || (89 + a4 <= 0 && 3 == a2)) || ((89 + a4 <= 0 && a29 + 127 <= 0) && a0 + 61 <= 0)) || ((((104 + a0 <= 0 && 43 < a29) && 2 <= a2) && a0 + 61 <= 0) && a2 <= 2)) || ((((104 + a0 <= 0 && !(43 < a29)) && 42 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((((((104 + a0 <= 0 && 5 == a2) && (((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4)) && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= a29 + 31) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a0 + 61 <= 0) && a2 <= 2)) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && a2 == 4) && (!(a29 + 16 <= 0) || !(a2 == 4)))) || ((((((42 + a4 <= 0 && 2 <= a2) && !(a4 + 86 <= 0)) && !(a0 + 147 <= 0)) && 0 <= a29 + 31) && a0 + 61 <= 0) && a2 <= 2)) || (((0 < a0 + 61 && 5 == a2) && 42 + a4 <= 0) && 0 <= a29 + 31)) || (((((104 + a0 <= 0 && 5 == a2) && 42 + a4 <= 0) && a29 + 16 <= 0) && 0 <= 142 + a29) && a0 + 61 <= 0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((0 < a0 + 61 && 42 + a4 <= 0) && 0 <= a29 + 31) && 3 == a2) || ((((((104 + a0 <= 0 && 5 == a2) && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && ((((input == 6 || input == 2) || input == 3) || input == 4) || input == 5)) && 0 <= a29 + 31) && a0 + 61 <= 0)) || ((2 <= a2 && 89 + a4 <= 0) && a2 <= 2)) || (((89 + a4 <= 0 && a29 + 18 <= 0) && a2 == 1) && 0 <= 142 + a29)) || ((((0 < a0 + 61 && 42 + a4 <= 0) && 2 <= a2) && a29 + 127 <= 0) && a2 <= 2)) || ((89 + a4 <= 0 && (!(a29 <= 43) || a29 + 16 <= 0)) && a2 == 4)) || (((42 + a4 <= 0 && a29 + 18 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((5 == a2 && 89 + a4 <= 0) && 0 <= a29 + 31)) || (((((((42 + a4 <= 0 && !(a4 + 86 <= 0)) && a29 + 18 <= 0) && !(a0 + 147 <= 0)) && a2 == 4) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && 0 <= 142 + a29) && a29 <= 401234)) || ((((((104 + a0 <= 0 && 42 + a4 <= 0) && a29 + 18 <= 0) && !(a0 + 147 <= 0)) && a2 == 4) && 0 <= 142 + a29) && a0 + 61 <= 0)) || ((((((42 + a4 <= 0 && !(a4 + 86 <= 0)) && !(a0 + 147 <= 0)) && a2 == 4) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && (!(a29 + 16 <= 0) || !(a2 == 4))) && a0 + 61 <= 0)) || ((((340333 <= a29 && 42 + a4 <= 0) && !(a0 + 147 <= 0)) && a2 == 4) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && a29 + 127 <= 0) && a0 + 61 <= 0)) || ((104 + a0 <= 0 && 42 + a4 <= 0) && a2 == 1)) || ((((104 + a0 <= 0 && (((0 < a4 + 86 && input == 4) || (0 < a4 + 86 && input == 6)) || (0 < a4 + 86 && input == 5))) && 42 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((((((104 + a0 <= 0 && 5 == a2) && !(input == 1)) && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && !(a0 + 147 <= 0)) && a29 + 16 <= 0) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && input == 3) && 3 == a2) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && !(a4 + 86 <= 0)) && !(a0 + 147 <= 0)) && 3 == a2) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && !(a0 + 147 <= 0)) && a2 == 4) && a0 + 61 <= 0)) || ((5 == a2 && 43 < a29) && 42 + a4 <= 0)) || (((((((42 + a4 <= 0 && 2 == a2) && !(a4 + 86 <= 0)) && !(a0 + 147 <= 0)) && a0 + 61 <= 0) && (!(input == 4) || 0 < 98 + a0)) && (!(input == 4) || 0 < 98 + a0)) && a2 <= 2)) || (((((5 == a2 && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && !(a0 + 147 <= 0)) && 0 <= a29 + 31) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2) && a0 + 61 <= 0) && a2 <= 2)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((((((104 + a0 <= 0 && 5 == a2) && (((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4)) && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && !(a0 + 147 <= 0)) && a29 + 16 <= 0) && a0 + 61 <= 0)) || ((((((5 == a2 && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && a29 + 18 <= 0) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= 142 + a29) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && a2 == 1) && a29 + 16 <= 0) && 0 <= 142 + a29) && a0 + 61 <= 0)) || (((0 < a0 + 61 && 42 + a4 <= 0) && a2 == 4) && 0 < a29 + 16)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a29 + 144 <= 0)) || ((89 + a4 <= 0 && !(a0 + 147 <= 0)) && a0 + 61 <= 0)) || (((((((((!(input == 5) && !(input == 6)) && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && a0 + 147 <= 0) && ((((input == 6 || input == 2) || input == 3) || input == 4) || input == 5)) && !(input == 2)) && !(input == 4)) && a2 == 4) && 0 < (599998 + a29) / 299928 + 1)) || (89 + a4 <= 0 && 3 == a2)) || ((89 + a4 <= 0 && a29 + 127 <= 0) && a0 + 61 <= 0)) || ((((104 + a0 <= 0 && 43 < a29) && 2 <= a2) && a0 + 61 <= 0) && a2 <= 2)) || ((((104 + a0 <= 0 && !(43 < a29)) && 42 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((((((104 + a0 <= 0 && 5 == a2) && (((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4)) && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 <= a29 + 31) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a0 + 61 <= 0) && a2 <= 2)) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && a2 == 4) && (!(a29 + 16 <= 0) || !(a2 == 4)))) || ((((((42 + a4 <= 0 && 2 <= a2) && !(a4 + 86 <= 0)) && !(a0 + 147 <= 0)) && 0 <= a29 + 31) && a0 + 61 <= 0) && a2 <= 2)) || (((0 < a0 + 61 && 5 == a2) && 42 + a4 <= 0) && 0 <= a29 + 31)) || (((((104 + a0 <= 0 && 5 == a2) && 42 + a4 <= 0) && a29 + 16 <= 0) && 0 <= 142 + a29) && a0 + 61 <= 0) RESULT: Ultimate proved your program to be correct! [2022-07-22 12:45:04,879 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