./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label53.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem16_label53.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 f141a301b31229dd66a7cd564eee9643a79b3eee13542a71eb8c2449d9b4afb4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 00:12:23,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 00:12:23,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 00:12:23,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 00:12:23,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 00:12:23,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 00:12:23,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 00:12:23,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 00:12:23,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 00:12:23,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 00:12:23,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 00:12:23,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 00:12:23,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 00:12:23,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 00:12:23,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 00:12:23,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 00:12:23,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 00:12:23,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 00:12:23,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 00:12:23,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 00:12:23,077 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 00:12:23,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 00:12:23,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 00:12:23,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 00:12:23,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 00:12:23,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 00:12:23,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 00:12:23,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 00:12:23,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 00:12:23,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 00:12:23,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 00:12:23,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 00:12:23,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 00:12:23,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 00:12:23,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 00:12:23,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 00:12:23,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 00:12:23,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 00:12:23,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 00:12:23,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 00:12:23,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 00:12:23,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 00:12:23,096 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 00:12:23,119 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 00:12:23,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 00:12:23,120 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 00:12:23,120 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 00:12:23,121 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 00:12:23,121 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 00:12:23,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 00:12:23,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 00:12:23,122 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 00:12:23,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 00:12:23,123 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 00:12:23,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 00:12:23,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 00:12:23,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 00:12:23,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 00:12:23,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 00:12:23,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 00:12:23,124 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 00:12:23,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 00:12:23,124 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 00:12:23,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 00:12:23,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 00:12:23,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 00:12:23,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 00:12:23,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 00:12:23,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 00:12:23,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 00:12:23,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 00:12:23,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 00:12:23,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 00:12:23,126 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 00:12:23,126 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 00:12:23,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 00:12:23,126 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f141a301b31229dd66a7cd564eee9643a79b3eee13542a71eb8c2449d9b4afb4 [2022-07-21 00:12:23,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 00:12:23,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 00:12:23,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 00:12:23,427 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 00:12:23,428 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 00:12:23,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label53.c [2022-07-21 00:12:23,474 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f92734e9/cf74e61bdedc40b585a6316e8c33ccee/FLAG8baa10830 [2022-07-21 00:12:23,932 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 00:12:23,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label53.c [2022-07-21 00:12:23,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f92734e9/cf74e61bdedc40b585a6316e8c33ccee/FLAG8baa10830 [2022-07-21 00:12:24,243 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f92734e9/cf74e61bdedc40b585a6316e8c33ccee [2022-07-21 00:12:24,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 00:12:24,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 00:12:24,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 00:12:24,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 00:12:24,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 00:12:24,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:12:24" (1/1) ... [2022-07-21 00:12:24,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec667bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:24, skipping insertion in model container [2022-07-21 00:12:24,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:12:24" (1/1) ... [2022-07-21 00:12:24,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 00:12:24,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 00:12:24,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label53.c[4014,4027] [2022-07-21 00:12:24,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 00:12:24,770 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 00:12:24,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label53.c[4014,4027] [2022-07-21 00:12:24,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 00:12:24,990 INFO L208 MainTranslator]: Completed translation [2022-07-21 00:12:24,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:24 WrapperNode [2022-07-21 00:12:24,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 00:12:24,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 00:12:24,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 00:12:24,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 00:12:25,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:24" (1/1) ... [2022-07-21 00:12:25,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:24" (1/1) ... [2022-07-21 00:12:25,162 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1768 [2022-07-21 00:12:25,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 00:12:25,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 00:12:25,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 00:12:25,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 00:12:25,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:24" (1/1) ... [2022-07-21 00:12:25,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:24" (1/1) ... [2022-07-21 00:12:25,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:24" (1/1) ... [2022-07-21 00:12:25,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:24" (1/1) ... [2022-07-21 00:12:25,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:24" (1/1) ... [2022-07-21 00:12:25,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:24" (1/1) ... [2022-07-21 00:12:25,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:24" (1/1) ... [2022-07-21 00:12:25,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 00:12:25,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 00:12:25,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 00:12:25,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 00:12:25,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:24" (1/1) ... [2022-07-21 00:12:25,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 00:12:25,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:12:25,337 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) [2022-07-21 00:12:25,380 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 [2022-07-21 00:12:25,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 00:12:25,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 00:12:25,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 00:12:25,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 00:12:25,466 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 00:12:25,467 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 00:12:26,874 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 00:12:26,889 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 00:12:26,889 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 00:12:26,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:12:26 BoogieIcfgContainer [2022-07-21 00:12:26,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 00:12:26,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 00:12:26,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 00:12:26,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 00:12:26,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:12:24" (1/3) ... [2022-07-21 00:12:26,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb3af95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:12:26, skipping insertion in model container [2022-07-21 00:12:26,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:24" (2/3) ... [2022-07-21 00:12:26,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb3af95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:12:26, skipping insertion in model container [2022-07-21 00:12:26,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:12:26" (3/3) ... [2022-07-21 00:12:26,897 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label53.c [2022-07-21 00:12:26,907 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 00:12:26,907 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 00:12:26,963 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 00:12:26,969 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@47b888, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@598c02da [2022-07-21 00:12:26,969 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 00:12:26,975 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:26,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-21 00:12:26,980 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:12:26,981 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] [2022-07-21 00:12:26,981 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:12:26,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:12:26,986 INFO L85 PathProgramCache]: Analyzing trace with hash 2088660649, now seen corresponding path program 1 times [2022-07-21 00:12:26,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:12:26,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252109697] [2022-07-21 00:12:26,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:12:26,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:12:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:12:27,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:12:27,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:12:27,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252109697] [2022-07-21 00:12:27,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252109697] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:12:27,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:12:27,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:12:27,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856489659] [2022-07-21 00:12:27,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:12:27,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:12:27,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:12:27,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:12:27,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:12:27,171 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:28,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:12:28,704 INFO L93 Difference]: Finished difference Result 1137 states and 2118 transitions. [2022-07-21 00:12:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:12:28,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2022-07-21 00:12:28,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:12:28,719 INFO L225 Difference]: With dead ends: 1137 [2022-07-21 00:12:28,719 INFO L226 Difference]: Without dead ends: 662 [2022-07-21 00:12:28,723 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 [2022-07-21 00:12:28,725 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 347 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 00:12:28,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 114 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 00:12:28,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2022-07-21 00:12:28,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2022-07-21 00:12:28,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.7004538577912254) internal successors, (1124), 661 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:28,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1124 transitions. [2022-07-21 00:12:28,799 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1124 transitions. Word has length 37 [2022-07-21 00:12:28,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:12:28,799 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 1124 transitions. [2022-07-21 00:12:28,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:28,799 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1124 transitions. [2022-07-21 00:12:28,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-21 00:12:28,801 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:12:28,802 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:12:28,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 00:12:28,802 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:12:28,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:12:28,803 INFO L85 PathProgramCache]: Analyzing trace with hash -2144444855, now seen corresponding path program 1 times [2022-07-21 00:12:28,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:12:28,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090168744] [2022-07-21 00:12:28,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:12:28,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:12:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:12:28,911 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:12:28,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:12:28,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090168744] [2022-07-21 00:12:28,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090168744] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:12:28,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:12:28,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:12:28,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615824372] [2022-07-21 00:12:28,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:12:28,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:12:28,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:12:28,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:12:28,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:12:28,915 INFO L87 Difference]: Start difference. First operand 662 states and 1124 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:30,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:12:30,074 INFO L93 Difference]: Finished difference Result 1980 states and 3367 transitions. [2022-07-21 00:12:30,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:12:30,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2022-07-21 00:12:30,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:12:30,091 INFO L225 Difference]: With dead ends: 1980 [2022-07-21 00:12:30,091 INFO L226 Difference]: Without dead ends: 1320 [2022-07-21 00:12:30,093 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 [2022-07-21 00:12:30,093 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 343 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 00:12:30,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 77 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 00:12:30,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2022-07-21 00:12:30,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2022-07-21 00:12:30,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.620166793025019) internal successors, (2137), 1319 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:30,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2137 transitions. [2022-07-21 00:12:30,125 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2137 transitions. Word has length 103 [2022-07-21 00:12:30,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:12:30,125 INFO L495 AbstractCegarLoop]: Abstraction has 1320 states and 2137 transitions. [2022-07-21 00:12:30,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:30,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2137 transitions. [2022-07-21 00:12:30,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-07-21 00:12:30,128 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:12:30,128 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:12:30,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 00:12:30,128 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:12:30,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:12:30,129 INFO L85 PathProgramCache]: Analyzing trace with hash 925555273, now seen corresponding path program 1 times [2022-07-21 00:12:30,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:12:30,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748684083] [2022-07-21 00:12:30,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:12:30,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:12:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:12:30,209 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:12:30,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:12:30,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748684083] [2022-07-21 00:12:30,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748684083] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:12:30,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:12:30,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:12:30,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909488606] [2022-07-21 00:12:30,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:12:30,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:12:30,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:12:30,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:12:30,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:12:30,212 INFO L87 Difference]: Start difference. First operand 1320 states and 2137 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:31,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:12:31,161 INFO L93 Difference]: Finished difference Result 3296 states and 5285 transitions. [2022-07-21 00:12:31,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:12:31,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2022-07-21 00:12:31,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:12:31,168 INFO L225 Difference]: With dead ends: 3296 [2022-07-21 00:12:31,168 INFO L226 Difference]: Without dead ends: 1978 [2022-07-21 00:12:31,169 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 [2022-07-21 00:12:31,170 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 381 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-21 00:12:31,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 155 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-21 00:12:31,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2022-07-21 00:12:31,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2022-07-21 00:12:31,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.3323216995447649) internal successors, (2634), 1977 states have internal predecessors, (2634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:31,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2634 transitions. [2022-07-21 00:12:31,202 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2634 transitions. Word has length 104 [2022-07-21 00:12:31,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:12:31,203 INFO L495 AbstractCegarLoop]: Abstraction has 1978 states and 2634 transitions. [2022-07-21 00:12:31,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:31,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2634 transitions. [2022-07-21 00:12:31,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-21 00:12:31,205 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:12:31,206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:12:31,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 00:12:31,206 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:12:31,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:12:31,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1093615855, now seen corresponding path program 1 times [2022-07-21 00:12:31,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:12:31,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801062291] [2022-07-21 00:12:31,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:12:31,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:12:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:12:31,314 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:12:31,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:12:31,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801062291] [2022-07-21 00:12:31,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801062291] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:12:31,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:12:31,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:12:31,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490302150] [2022-07-21 00:12:31,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:12:31,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:12:31,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:12:31,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:12:31,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:12:31,316 INFO L87 Difference]: Start difference. First operand 1978 states and 2634 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:32,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:12:32,341 INFO L93 Difference]: Finished difference Result 5928 states and 7897 transitions. [2022-07-21 00:12:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:12:32,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 196 [2022-07-21 00:12:32,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:12:32,352 INFO L225 Difference]: With dead ends: 5928 [2022-07-21 00:12:32,352 INFO L226 Difference]: Without dead ends: 3952 [2022-07-21 00:12:32,355 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 [2022-07-21 00:12:32,362 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 181 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 00:12:32,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 259 Invalid, 1205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 00:12:32,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2022-07-21 00:12:32,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2022-07-21 00:12:32,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.216400911161731) internal successors, (4806), 3951 states have internal predecessors, (4806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:32,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4806 transitions. [2022-07-21 00:12:32,418 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4806 transitions. Word has length 196 [2022-07-21 00:12:32,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:12:32,420 INFO L495 AbstractCegarLoop]: Abstraction has 3952 states and 4806 transitions. [2022-07-21 00:12:32,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:32,420 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4806 transitions. [2022-07-21 00:12:32,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-07-21 00:12:32,424 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:12:32,424 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:12:32,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 00:12:32,424 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:12:32,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:12:32,425 INFO L85 PathProgramCache]: Analyzing trace with hash -2133395162, now seen corresponding path program 1 times [2022-07-21 00:12:32,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:12:32,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236268502] [2022-07-21 00:12:32,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:12:32,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:12:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:12:32,642 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:12:32,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:12:32,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236268502] [2022-07-21 00:12:32,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236268502] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:12:32,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:12:32,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:12:32,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648513908] [2022-07-21 00:12:32,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:12:32,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 00:12:32,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:12:32,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 00:12:32,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 00:12:32,645 INFO L87 Difference]: Start difference. First operand 3952 states and 4806 transitions. Second operand has 4 states, 4 states have (on average 70.5) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:33,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:12:33,697 INFO L93 Difference]: Finished difference Result 8269 states and 9989 transitions. [2022-07-21 00:12:33,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 00:12:33,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.5) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 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 282 [2022-07-21 00:12:33,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:12:33,709 INFO L225 Difference]: With dead ends: 8269 [2022-07-21 00:12:33,709 INFO L226 Difference]: Without dead ends: 4319 [2022-07-21 00:12:33,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 00:12:33,714 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 175 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 1238 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 1238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 00:12:33,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 371 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 1238 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 00:12:33,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4319 states. [2022-07-21 00:12:33,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4319 to 4281. [2022-07-21 00:12:33,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 4280 states have (on average 1.2011682242990653) internal successors, (5141), 4280 states have internal predecessors, (5141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:33,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5141 transitions. [2022-07-21 00:12:33,778 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5141 transitions. Word has length 282 [2022-07-21 00:12:33,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:12:33,778 INFO L495 AbstractCegarLoop]: Abstraction has 4281 states and 5141 transitions. [2022-07-21 00:12:33,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.5) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:33,779 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5141 transitions. [2022-07-21 00:12:33,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2022-07-21 00:12:33,782 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:12:33,782 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 00:12:33,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 00:12:33,783 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:12:33,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:12:33,783 INFO L85 PathProgramCache]: Analyzing trace with hash -883223724, now seen corresponding path program 1 times [2022-07-21 00:12:33,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:12:33,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097867407] [2022-07-21 00:12:33,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:12:33,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:12:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:12:33,929 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:12:33,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:12:33,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097867407] [2022-07-21 00:12:33,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097867407] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:12:33,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:12:33,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 00:12:33,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529560068] [2022-07-21 00:12:33,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:12:33,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 00:12:33,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:12:33,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 00:12:33,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-07-21 00:12:33,932 INFO L87 Difference]: Start difference. First operand 4281 states and 5141 transitions. Second operand has 7 states, 7 states have (on average 52.714285714285715) internal successors, (369), 6 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:35,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:12:35,133 INFO L93 Difference]: Finished difference Result 8090 states and 9792 transitions. [2022-07-21 00:12:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 00:12:35,134 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 52.714285714285715) internal successors, (369), 6 states have internal predecessors, (369), 0 states have call successors, (0), 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 369 [2022-07-21 00:12:35,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:12:35,145 INFO L225 Difference]: With dead ends: 8090 [2022-07-21 00:12:35,145 INFO L226 Difference]: Without dead ends: 3952 [2022-07-21 00:12:35,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-07-21 00:12:35,150 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 371 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 1892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 00:12:35,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 290 Invalid, 1892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 1558 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 00:12:35,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2022-07-21 00:12:35,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2022-07-21 00:12:35,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.0802328524424196) internal successors, (4268), 3951 states have internal predecessors, (4268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:35,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4268 transitions. [2022-07-21 00:12:35,192 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4268 transitions. Word has length 369 [2022-07-21 00:12:35,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:12:35,192 INFO L495 AbstractCegarLoop]: Abstraction has 3952 states and 4268 transitions. [2022-07-21 00:12:35,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 52.714285714285715) internal successors, (369), 6 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:35,192 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4268 transitions. [2022-07-21 00:12:35,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2022-07-21 00:12:35,195 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:12:35,195 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 00:12:35,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 00:12:35,196 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:12:35,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:12:35,196 INFO L85 PathProgramCache]: Analyzing trace with hash 801800556, now seen corresponding path program 1 times [2022-07-21 00:12:35,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:12:35,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619400619] [2022-07-21 00:12:35,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:12:35,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:12:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:12:35,356 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-07-21 00:12:35,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:12:35,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619400619] [2022-07-21 00:12:35,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619400619] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:12:35,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737384514] [2022-07-21 00:12:35,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:12:35,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:12:35,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:12:35,360 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) [2022-07-21 00:12:35,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 00:12:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:12:35,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 00:12:35,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:12:35,843 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-07-21 00:12:35,843 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:12:35,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737384514] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:12:35,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:12:35,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-07-21 00:12:35,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582376256] [2022-07-21 00:12:35,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:12:35,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:12:35,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:12:35,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:12:35,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 00:12:35,846 INFO L87 Difference]: Start difference. First operand 3952 states and 4268 transitions. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:36,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:12:36,608 INFO L93 Difference]: Finished difference Result 4941 states and 5287 transitions. [2022-07-21 00:12:36,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:12:36,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 0 states have call successors, (0), 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 376 [2022-07-21 00:12:36,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:12:36,619 INFO L225 Difference]: With dead ends: 4941 [2022-07-21 00:12:36,619 INFO L226 Difference]: Without dead ends: 4939 [2022-07-21 00:12:36,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 00:12:36,621 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 108 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 00:12:36,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 83 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 00:12:36,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4939 states. [2022-07-21 00:12:36,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4939 to 4281. [2022-07-21 00:12:36,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 4280 states have (on average 1.0771028037383177) internal successors, (4610), 4280 states have internal predecessors, (4610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:36,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 4610 transitions. [2022-07-21 00:12:36,672 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 4610 transitions. Word has length 376 [2022-07-21 00:12:36,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:12:36,672 INFO L495 AbstractCegarLoop]: Abstraction has 4281 states and 4610 transitions. [2022-07-21 00:12:36,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:36,673 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 4610 transitions. [2022-07-21 00:12:36,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2022-07-21 00:12:36,680 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:12:36,680 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2022-07-21 00:12:36,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 00:12:36,899 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 [2022-07-21 00:12:36,899 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:12:36,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:12:36,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1192737784, now seen corresponding path program 1 times [2022-07-21 00:12:36,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:12:36,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038846382] [2022-07-21 00:12:36,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:12:36,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:12:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:12:37,097 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 525 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-07-21 00:12:37,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:12:37,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038846382] [2022-07-21 00:12:37,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038846382] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:12:37,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:12:37,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:12:37,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020619916] [2022-07-21 00:12:37,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:12:37,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:12:37,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:12:37,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:12:37,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:12:37,100 INFO L87 Difference]: Start difference. First operand 4281 states and 4610 transitions. Second operand has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:37,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:12:37,835 INFO L93 Difference]: Finished difference Result 10534 states and 11440 transitions. [2022-07-21 00:12:37,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:12:37,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 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 [2022-07-21 00:12:37,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:12:37,853 INFO L225 Difference]: With dead ends: 10534 [2022-07-21 00:12:37,853 INFO L226 Difference]: Without dead ends: 6584 [2022-07-21 00:12:37,857 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 [2022-07-21 00:12:37,858 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 219 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 00:12:37,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 434 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 00:12:37,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6584 states. [2022-07-21 00:12:37,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6584 to 6255. [2022-07-21 00:12:37,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6255 states, 6254 states have (on average 1.0599616245602814) internal successors, (6629), 6254 states have internal predecessors, (6629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:37,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6255 states to 6255 states and 6629 transitions. [2022-07-21 00:12:37,944 INFO L78 Accepts]: Start accepts. Automaton has 6255 states and 6629 transitions. Word has length 575 [2022-07-21 00:12:37,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:12:37,945 INFO L495 AbstractCegarLoop]: Abstraction has 6255 states and 6629 transitions. [2022-07-21 00:12:37,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:37,946 INFO L276 IsEmpty]: Start isEmpty. Operand 6255 states and 6629 transitions. [2022-07-21 00:12:37,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2022-07-21 00:12:37,957 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:12:37,957 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2022-07-21 00:12:37,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 00:12:37,958 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:12:37,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:12:37,958 INFO L85 PathProgramCache]: Analyzing trace with hash -458071923, now seen corresponding path program 1 times [2022-07-21 00:12:37,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:12:37,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758701672] [2022-07-21 00:12:37,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:12:37,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:12:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:12:38,149 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 721 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-07-21 00:12:38,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:12:38,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758701672] [2022-07-21 00:12:38,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758701672] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:12:38,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:12:38,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:12:38,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692946861] [2022-07-21 00:12:38,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:12:38,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:12:38,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:12:38,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:12:38,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:12:38,152 INFO L87 Difference]: Start difference. First operand 6255 states and 6629 transitions. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:38,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:12:38,820 INFO L93 Difference]: Finished difference Result 14153 states and 15124 transitions. [2022-07-21 00:12:38,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:12:38,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 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 679 [2022-07-21 00:12:38,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:12:38,848 INFO L225 Difference]: With dead ends: 14153 [2022-07-21 00:12:38,848 INFO L226 Difference]: Without dead ends: 8229 [2022-07-21 00:12:38,854 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 [2022-07-21 00:12:38,856 INFO L413 NwaCegarLoop]: 414 mSDtfsCounter, 176 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 00:12:38,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 420 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 00:12:38,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2022-07-21 00:12:38,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 7900. [2022-07-21 00:12:38,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7900 states, 7899 states have (on average 1.0557032535764022) internal successors, (8339), 7899 states have internal predecessors, (8339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:38,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 8339 transitions. [2022-07-21 00:12:38,943 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 8339 transitions. Word has length 679 [2022-07-21 00:12:38,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:12:38,943 INFO L495 AbstractCegarLoop]: Abstraction has 7900 states and 8339 transitions. [2022-07-21 00:12:38,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:38,944 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 8339 transitions. [2022-07-21 00:12:38,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 911 [2022-07-21 00:12:38,982 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:12:38,982 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 00:12:38,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 00:12:38,983 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:12:38,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:12:38,983 INFO L85 PathProgramCache]: Analyzing trace with hash 100717082, now seen corresponding path program 1 times [2022-07-21 00:12:38,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:12:38,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18552093] [2022-07-21 00:12:38,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:12:38,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:12:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:12:39,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 717 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2022-07-21 00:12:39,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:12:39,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18552093] [2022-07-21 00:12:39,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18552093] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:12:39,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:12:39,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:12:39,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044476375] [2022-07-21 00:12:39,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:12:39,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:12:39,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:12:39,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:12:39,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:12:39,288 INFO L87 Difference]: Start difference. First operand 7900 states and 8339 transitions. Second operand has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:40,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:12:40,006 INFO L93 Difference]: Finished difference Result 19746 states and 20932 transitions. [2022-07-21 00:12:40,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:12:40,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 0 states have call successors, (0), 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 910 [2022-07-21 00:12:40,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:12:40,022 INFO L225 Difference]: With dead ends: 19746 [2022-07-21 00:12:40,023 INFO L226 Difference]: Without dead ends: 10532 [2022-07-21 00:12:40,031 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 [2022-07-21 00:12:40,032 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 143 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 00:12:40,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 430 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 00:12:40,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10532 states. [2022-07-21 00:12:40,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10532 to 10203. [2022-07-21 00:12:40,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10203 states, 10202 states have (on average 1.0462654381493826) internal successors, (10674), 10202 states have internal predecessors, (10674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:40,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10203 states to 10203 states and 10674 transitions. [2022-07-21 00:12:40,131 INFO L78 Accepts]: Start accepts. Automaton has 10203 states and 10674 transitions. Word has length 910 [2022-07-21 00:12:40,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:12:40,132 INFO L495 AbstractCegarLoop]: Abstraction has 10203 states and 10674 transitions. [2022-07-21 00:12:40,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:40,133 INFO L276 IsEmpty]: Start isEmpty. Operand 10203 states and 10674 transitions. [2022-07-21 00:12:40,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1225 [2022-07-21 00:12:40,154 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:12:40,154 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:12:40,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 00:12:40,155 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:12:40,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:12:40,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1469459441, now seen corresponding path program 1 times [2022-07-21 00:12:40,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:12:40,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845293886] [2022-07-21 00:12:40,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:12:40,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:12:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:12:40,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2846 backedges. 1987 proven. 0 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2022-07-21 00:12:40,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:12:40,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845293886] [2022-07-21 00:12:40,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845293886] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:12:40,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:12:40,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:12:40,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105227564] [2022-07-21 00:12:40,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:12:40,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:12:40,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:12:40,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:12:40,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:12:40,527 INFO L87 Difference]: Start difference. First operand 10203 states and 10674 transitions. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:41,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:12:41,248 INFO L93 Difference]: Finished difference Result 23036 states and 24244 transitions. [2022-07-21 00:12:41,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:12:41,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 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 1224 [2022-07-21 00:12:41,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:12:41,265 INFO L225 Difference]: With dead ends: 23036 [2022-07-21 00:12:41,265 INFO L226 Difference]: Without dead ends: 13164 [2022-07-21 00:12:41,270 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 [2022-07-21 00:12:41,271 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 221 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 00:12:41,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 432 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 00:12:41,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2022-07-21 00:12:41,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 12835. [2022-07-21 00:12:41,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12835 states, 12834 states have (on average 1.0407511298114385) internal successors, (13357), 12834 states have internal predecessors, (13357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:41,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12835 states to 12835 states and 13357 transitions. [2022-07-21 00:12:41,389 INFO L78 Accepts]: Start accepts. Automaton has 12835 states and 13357 transitions. Word has length 1224 [2022-07-21 00:12:41,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:12:41,390 INFO L495 AbstractCegarLoop]: Abstraction has 12835 states and 13357 transitions. [2022-07-21 00:12:41,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:41,391 INFO L276 IsEmpty]: Start isEmpty. Operand 12835 states and 13357 transitions. [2022-07-21 00:12:41,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1226 [2022-07-21 00:12:41,410 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:12:41,411 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 00:12:41,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 00:12:41,412 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:12:41,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:12:41,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1993682398, now seen corresponding path program 1 times [2022-07-21 00:12:41,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:12:41,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318413657] [2022-07-21 00:12:41,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:12:41,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:12:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:12:41,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 1039 proven. 0 refuted. 0 times theorem prover too weak. 1813 trivial. 0 not checked. [2022-07-21 00:12:41,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:12:41,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318413657] [2022-07-21 00:12:41,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318413657] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:12:41,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:12:41,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:12:41,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625249756] [2022-07-21 00:12:41,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:12:41,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:12:41,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:12:41,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:12:41,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:12:41,779 INFO L87 Difference]: Start difference. First operand 12835 states and 13357 transitions. Second operand has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:42,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:12:42,493 INFO L93 Difference]: Finished difference Result 27971 states and 29124 transitions. [2022-07-21 00:12:42,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:12:42,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 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 1225 [2022-07-21 00:12:42,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:12:42,547 INFO L225 Difference]: With dead ends: 27971 [2022-07-21 00:12:42,547 INFO L226 Difference]: Without dead ends: 13493 [2022-07-21 00:12:42,553 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 [2022-07-21 00:12:42,554 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 170 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 00:12:42,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 412 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 00:12:42,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13493 states. [2022-07-21 00:12:42,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13493 to 12835. [2022-07-21 00:12:42,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12835 states, 12834 states have (on average 1.0310892940626462) internal successors, (13233), 12834 states have internal predecessors, (13233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:42,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12835 states to 12835 states and 13233 transitions. [2022-07-21 00:12:42,662 INFO L78 Accepts]: Start accepts. Automaton has 12835 states and 13233 transitions. Word has length 1225 [2022-07-21 00:12:42,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:12:42,663 INFO L495 AbstractCegarLoop]: Abstraction has 12835 states and 13233 transitions. [2022-07-21 00:12:42,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:42,663 INFO L276 IsEmpty]: Start isEmpty. Operand 12835 states and 13233 transitions. [2022-07-21 00:12:42,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1342 [2022-07-21 00:12:42,688 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:12:42,689 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, 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, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:12:42,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 00:12:42,690 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:12:42,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:12:42,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1738652371, now seen corresponding path program 1 times [2022-07-21 00:12:42,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:12:42,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759800370] [2022-07-21 00:12:42,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:12:42,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:12:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:12:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3073 backedges. 2301 proven. 6 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2022-07-21 00:12:43,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:12:43,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759800370] [2022-07-21 00:12:43,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759800370] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:12:43,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949375161] [2022-07-21 00:12:43,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:12:43,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:12:43,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:12:43,227 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) [2022-07-21 00:12:43,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 00:12:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:12:43,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 1575 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 00:12:43,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:12:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3073 backedges. 1606 proven. 201 refuted. 0 times theorem prover too weak. 1266 trivial. 0 not checked. [2022-07-21 00:12:45,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 00:12:48,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3073 backedges. 1606 proven. 201 refuted. 0 times theorem prover too weak. 1266 trivial. 0 not checked. [2022-07-21 00:12:48,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949375161] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 00:12:48,405 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 00:12:48,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 3, 3] total 12 [2022-07-21 00:12:48,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981393040] [2022-07-21 00:12:48,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 00:12:48,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 00:12:48,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:12:48,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 00:12:48,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-07-21 00:12:48,409 INFO L87 Difference]: Start difference. First operand 12835 states and 13233 transitions. Second operand has 12 states, 12 states have (on average 164.5) internal successors, (1974), 12 states have internal predecessors, (1974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:55,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:12:55,519 INFO L93 Difference]: Finished difference Result 36606 states and 37755 transitions. [2022-07-21 00:12:55,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-21 00:12:55,520 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 164.5) internal successors, (1974), 12 states have internal predecessors, (1974), 0 states have call successors, (0), 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 1341 [2022-07-21 00:12:55,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:12:55,547 INFO L225 Difference]: With dead ends: 36606 [2022-07-21 00:12:55,547 INFO L226 Difference]: Without dead ends: 24102 [2022-07-21 00:12:55,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2721 GetRequests, 2692 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=237, Invalid=693, Unknown=0, NotChecked=0, Total=930 [2022-07-21 00:12:55,558 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 1591 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 17415 mSolverCounterSat, 434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1591 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 17849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 17415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-07-21 00:12:55,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1591 Valid, 581 Invalid, 17849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 17415 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-07-21 00:12:55,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24102 states. [2022-07-21 00:12:55,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24102 to 12506. [2022-07-21 00:12:55,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12506 states, 12505 states have (on average 1.0283086765293883) internal successors, (12859), 12505 states have internal predecessors, (12859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:55,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12506 states to 12506 states and 12859 transitions. [2022-07-21 00:12:55,763 INFO L78 Accepts]: Start accepts. Automaton has 12506 states and 12859 transitions. Word has length 1341 [2022-07-21 00:12:55,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:12:55,764 INFO L495 AbstractCegarLoop]: Abstraction has 12506 states and 12859 transitions. [2022-07-21 00:12:55,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 164.5) internal successors, (1974), 12 states have internal predecessors, (1974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:55,764 INFO L276 IsEmpty]: Start isEmpty. Operand 12506 states and 12859 transitions. [2022-07-21 00:12:55,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1606 [2022-07-21 00:12:55,797 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:12:55,797 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:12:55,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 00:12:56,034 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,SelfDestructingSolverStorable12 [2022-07-21 00:12:56,035 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:12:56,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:12:56,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1367250245, now seen corresponding path program 1 times [2022-07-21 00:12:56,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:12:56,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890177849] [2022-07-21 00:12:56,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:12:56,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:12:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:12:56,489 INFO L134 CoverageAnalysis]: Checked inductivity of 5103 backedges. 2125 proven. 156 refuted. 0 times theorem prover too weak. 2822 trivial. 0 not checked. [2022-07-21 00:12:56,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:12:56,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890177849] [2022-07-21 00:12:56,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890177849] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:12:56,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299154299] [2022-07-21 00:12:56,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:12:56,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:12:56,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:12:56,492 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) [2022-07-21 00:12:56,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 00:12:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:12:56,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 1880 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 00:12:56,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:12:57,406 INFO L134 CoverageAnalysis]: Checked inductivity of 5103 backedges. 2281 proven. 0 refuted. 0 times theorem prover too weak. 2822 trivial. 0 not checked. [2022-07-21 00:12:57,407 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:12:57,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299154299] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:12:57,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:12:57,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-07-21 00:12:57,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588550562] [2022-07-21 00:12:57,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:12:57,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:12:57,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:12:57,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:12:57,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-21 00:12:57,409 INFO L87 Difference]: Start difference. First operand 12506 states and 12859 transitions. Second operand has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:58,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:12:58,087 INFO L93 Difference]: Finished difference Result 26984 states and 27755 transitions. [2022-07-21 00:12:58,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:12:58,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 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 1605 [2022-07-21 00:12:58,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:12:58,102 INFO L225 Difference]: With dead ends: 26984 [2022-07-21 00:12:58,102 INFO L226 Difference]: Without dead ends: 14809 [2022-07-21 00:12:58,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1609 GetRequests, 1604 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-21 00:12:58,111 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 173 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 00:12:58,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 92 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 00:12:58,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2022-07-21 00:12:58,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 13493. [2022-07-21 00:12:58,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13493 states, 13492 states have (on average 1.02683071449748) internal successors, (13854), 13492 states have internal predecessors, (13854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:58,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 13854 transitions. [2022-07-21 00:12:58,246 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 13854 transitions. Word has length 1605 [2022-07-21 00:12:58,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:12:58,247 INFO L495 AbstractCegarLoop]: Abstraction has 13493 states and 13854 transitions. [2022-07-21 00:12:58,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:12:58,247 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 13854 transitions. [2022-07-21 00:12:58,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1775 [2022-07-21 00:12:58,275 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:12:58,276 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:12:58,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 00:12:58,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:12:58,495 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:12:58,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:12:58,496 INFO L85 PathProgramCache]: Analyzing trace with hash 2082512192, now seen corresponding path program 1 times [2022-07-21 00:12:58,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:12:58,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476458823] [2022-07-21 00:12:58,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:12:58,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:12:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:12:59,107 INFO L134 CoverageAnalysis]: Checked inductivity of 6287 backedges. 4162 proven. 0 refuted. 0 times theorem prover too weak. 2125 trivial. 0 not checked. [2022-07-21 00:12:59,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:12:59,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476458823] [2022-07-21 00:12:59,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476458823] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:12:59,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:12:59,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 00:12:59,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407882077] [2022-07-21 00:12:59,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:12:59,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 00:12:59,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:12:59,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 00:12:59,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 00:12:59,110 INFO L87 Difference]: Start difference. First operand 13493 states and 13854 transitions. Second operand has 5 states, 5 states have (on average 153.0) internal successors, (765), 5 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:00,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:13:00,312 INFO L93 Difference]: Finished difference Result 27322 states and 28063 transitions. [2022-07-21 00:13:00,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 00:13:00,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 153.0) internal successors, (765), 5 states have internal predecessors, (765), 0 states have call successors, (0), 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 1774 [2022-07-21 00:13:00,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:13:00,323 INFO L225 Difference]: With dead ends: 27322 [2022-07-21 00:13:00,323 INFO L226 Difference]: Without dead ends: 14160 [2022-07-21 00:13:00,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-21 00:13:00,329 INFO L413 NwaCegarLoop]: 414 mSDtfsCounter, 601 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 2051 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 2108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 2051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 00:13:00,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 434 Invalid, 2108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 2051 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 00:13:00,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14160 states. [2022-07-21 00:13:00,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14160 to 13822. [2022-07-21 00:13:00,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.026987916937993) internal successors, (14194), 13821 states have internal predecessors, (14194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:00,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14194 transitions. [2022-07-21 00:13:00,471 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14194 transitions. Word has length 1774 [2022-07-21 00:13:00,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:13:00,472 INFO L495 AbstractCegarLoop]: Abstraction has 13822 states and 14194 transitions. [2022-07-21 00:13:00,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 153.0) internal successors, (765), 5 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:00,472 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14194 transitions. [2022-07-21 00:13:00,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1923 [2022-07-21 00:13:00,508 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:13:00,509 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:13:00,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-21 00:13:00,509 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:13:00,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:13:00,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1106209618, now seen corresponding path program 1 times [2022-07-21 00:13:00,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:13:00,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002754735] [2022-07-21 00:13:00,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:13:00,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:13:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:13:01,157 INFO L134 CoverageAnalysis]: Checked inductivity of 7187 backedges. 1411 proven. 0 refuted. 0 times theorem prover too weak. 5776 trivial. 0 not checked. [2022-07-21 00:13:01,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:13:01,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002754735] [2022-07-21 00:13:01,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002754735] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:13:01,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:13:01,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:13:01,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101880434] [2022-07-21 00:13:01,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:13:01,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:13:01,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:13:01,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:13:01,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:13:01,160 INFO L87 Difference]: Start difference. First operand 13822 states and 14194 transitions. Second operand has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:02,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:13:02,043 INFO L93 Difference]: Finished difference Result 29945 states and 30760 transitions. [2022-07-21 00:13:02,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:13:02,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1922 [2022-07-21 00:13:02,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:13:02,061 INFO L225 Difference]: With dead ends: 29945 [2022-07-21 00:13:02,061 INFO L226 Difference]: Without dead ends: 16454 [2022-07-21 00:13:02,071 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 [2022-07-21 00:13:02,072 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 223 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-21 00:13:02,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 41 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 00:13:02,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2022-07-21 00:13:02,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 15796. [2022-07-21 00:13:02,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.025261158594492) internal successors, (16194), 15795 states have internal predecessors, (16194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:02,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16194 transitions. [2022-07-21 00:13:02,247 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16194 transitions. Word has length 1922 [2022-07-21 00:13:02,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:13:02,248 INFO L495 AbstractCegarLoop]: Abstraction has 15796 states and 16194 transitions. [2022-07-21 00:13:02,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:02,248 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16194 transitions. [2022-07-21 00:13:02,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1989 [2022-07-21 00:13:02,281 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:13:02,282 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:13:02,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-21 00:13:02,282 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:13:02,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:13:02,283 INFO L85 PathProgramCache]: Analyzing trace with hash -917324877, now seen corresponding path program 1 times [2022-07-21 00:13:02,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:13:02,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644018151] [2022-07-21 00:13:02,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:13:02,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:13:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:13:02,958 INFO L134 CoverageAnalysis]: Checked inductivity of 7509 backedges. 1411 proven. 0 refuted. 0 times theorem prover too weak. 6098 trivial. 0 not checked. [2022-07-21 00:13:02,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:13:02,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644018151] [2022-07-21 00:13:02,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644018151] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:13:02,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:13:02,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 00:13:02,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613570846] [2022-07-21 00:13:02,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:13:02,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 00:13:02,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:13:02,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 00:13:02,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 00:13:02,961 INFO L87 Difference]: Start difference. First operand 15796 states and 16194 transitions. Second operand has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:03,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:13:03,583 INFO L93 Difference]: Finished difference Result 31284 states and 32078 transitions. [2022-07-21 00:13:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 00:13:03,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1988 [2022-07-21 00:13:03,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:13:03,598 INFO L225 Difference]: With dead ends: 31284 [2022-07-21 00:13:03,598 INFO L226 Difference]: Without dead ends: 15796 [2022-07-21 00:13:03,608 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 [2022-07-21 00:13:03,608 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 227 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 00:13:03,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 16 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 00:13:03,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states. [2022-07-21 00:13:03,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 15796. [2022-07-21 00:13:03,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.0251978474200696) internal successors, (16193), 15795 states have internal predecessors, (16193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:03,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16193 transitions. [2022-07-21 00:13:03,819 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16193 transitions. Word has length 1988 [2022-07-21 00:13:03,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:13:03,820 INFO L495 AbstractCegarLoop]: Abstraction has 15796 states and 16193 transitions. [2022-07-21 00:13:03,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:03,820 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16193 transitions. [2022-07-21 00:13:03,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2098 [2022-07-21 00:13:03,865 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:13:03,866 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:13:03,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-21 00:13:03,866 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:13:03,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:13:03,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1744380816, now seen corresponding path program 1 times [2022-07-21 00:13:03,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:13:03,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62206973] [2022-07-21 00:13:03,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:13:03,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:13:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:13:04,713 INFO L134 CoverageAnalysis]: Checked inductivity of 7926 backedges. 6004 proven. 319 refuted. 0 times theorem prover too weak. 1603 trivial. 0 not checked. [2022-07-21 00:13:04,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:13:04,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62206973] [2022-07-21 00:13:04,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62206973] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:13:04,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263310684] [2022-07-21 00:13:04,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:13:04,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:13:04,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:13:04,715 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) [2022-07-21 00:13:04,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-21 00:13:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:13:05,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 2435 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 00:13:05,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:13:05,329 INFO L134 CoverageAnalysis]: Checked inductivity of 7926 backedges. 4431 proven. 0 refuted. 0 times theorem prover too weak. 3495 trivial. 0 not checked. [2022-07-21 00:13:05,329 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:13:05,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263310684] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:13:05,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:13:05,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-07-21 00:13:05,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238217585] [2022-07-21 00:13:05,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:13:05,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:13:05,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:13:05,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:13:05,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-21 00:13:05,332 INFO L87 Difference]: Start difference. First operand 15796 states and 16193 transitions. Second operand has 3 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:05,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:13:05,987 INFO L93 Difference]: Finished difference Result 31919 states and 32722 transitions. [2022-07-21 00:13:05,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:13:05,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 0 states have call successors, (0), 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 2097 [2022-07-21 00:13:05,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:13:06,000 INFO L225 Difference]: With dead ends: 31919 [2022-07-21 00:13:06,000 INFO L226 Difference]: Without dead ends: 16454 [2022-07-21 00:13:06,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2104 GetRequests, 2097 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-21 00:13:06,010 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 263 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 00:13:06,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 429 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 00:13:06,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2022-07-21 00:13:06,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 16454. [2022-07-21 00:13:06,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 16453 states have (on average 1.0244332340606577) internal successors, (16855), 16453 states have internal predecessors, (16855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:06,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 16855 transitions. [2022-07-21 00:13:06,138 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 16855 transitions. Word has length 2097 [2022-07-21 00:13:06,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:13:06,139 INFO L495 AbstractCegarLoop]: Abstraction has 16454 states and 16855 transitions. [2022-07-21 00:13:06,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:06,139 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 16855 transitions. [2022-07-21 00:13:06,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2252 [2022-07-21 00:13:06,177 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:13:06,178 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-21 00:13:06,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-21 00:13:06,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-07-21 00:13:06,390 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:13:06,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:13:06,390 INFO L85 PathProgramCache]: Analyzing trace with hash -622089054, now seen corresponding path program 1 times [2022-07-21 00:13:06,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:13:06,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023445956] [2022-07-21 00:13:06,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:13:06,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:13:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:13:07,043 INFO L134 CoverageAnalysis]: Checked inductivity of 9914 backedges. 5868 proven. 0 refuted. 0 times theorem prover too weak. 4046 trivial. 0 not checked. [2022-07-21 00:13:07,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:13:07,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023445956] [2022-07-21 00:13:07,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023445956] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:13:07,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:13:07,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:13:07,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638251706] [2022-07-21 00:13:07,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:13:07,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:13:07,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:13:07,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:13:07,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:13:07,046 INFO L87 Difference]: Start difference. First operand 16454 states and 16855 transitions. Second operand has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:07,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:13:07,728 INFO L93 Difference]: Finished difference Result 32577 states and 33377 transitions. [2022-07-21 00:13:07,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:13:07,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 0 states have call successors, (0), 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 2251 [2022-07-21 00:13:07,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:13:07,742 INFO L225 Difference]: With dead ends: 32577 [2022-07-21 00:13:07,742 INFO L226 Difference]: Without dead ends: 16454 [2022-07-21 00:13:07,752 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 [2022-07-21 00:13:07,752 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 262 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 00:13:07,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 413 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 00:13:07,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2022-07-21 00:13:07,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 16454. [2022-07-21 00:13:07,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 16453 states have (on average 1.0173828481128062) internal successors, (16739), 16453 states have internal predecessors, (16739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:07,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 16739 transitions. [2022-07-21 00:13:07,918 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 16739 transitions. Word has length 2251 [2022-07-21 00:13:07,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:13:07,919 INFO L495 AbstractCegarLoop]: Abstraction has 16454 states and 16739 transitions. [2022-07-21 00:13:07,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:07,920 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 16739 transitions. [2022-07-21 00:13:07,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2325 [2022-07-21 00:13:07,973 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:13:07,973 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 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] [2022-07-21 00:13:07,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-21 00:13:07,974 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:13:07,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:13:07,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1462643327, now seen corresponding path program 1 times [2022-07-21 00:13:07,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:13:07,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382145631] [2022-07-21 00:13:07,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:13:07,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:13:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:13:08,932 INFO L134 CoverageAnalysis]: Checked inductivity of 9982 backedges. 7591 proven. 342 refuted. 0 times theorem prover too weak. 2049 trivial. 0 not checked. [2022-07-21 00:13:08,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:13:08,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382145631] [2022-07-21 00:13:08,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382145631] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:13:08,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491704102] [2022-07-21 00:13:08,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:13:08,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:13:08,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:13:08,936 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) [2022-07-21 00:13:08,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-21 00:13:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:13:09,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 2706 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 00:13:09,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:13:09,604 INFO L134 CoverageAnalysis]: Checked inductivity of 9982 backedges. 5390 proven. 0 refuted. 0 times theorem prover too weak. 4592 trivial. 0 not checked. [2022-07-21 00:13:09,605 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:13:09,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491704102] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:13:09,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:13:09,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-07-21 00:13:09,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067378173] [2022-07-21 00:13:09,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:13:09,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:13:09,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:13:09,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:13:09,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-21 00:13:09,609 INFO L87 Difference]: Start difference. First operand 16454 states and 16739 transitions. Second operand has 3 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:10,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:13:10,419 INFO L93 Difference]: Finished difference Result 34880 states and 35500 transitions. [2022-07-21 00:13:10,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:13:10,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 0 states have call successors, (0), 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 2324 [2022-07-21 00:13:10,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:13:10,438 INFO L225 Difference]: With dead ends: 34880 [2022-07-21 00:13:10,439 INFO L226 Difference]: Without dead ends: 18757 [2022-07-21 00:13:10,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2331 GetRequests, 2324 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-21 00:13:10,449 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 221 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 00:13:10,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 421 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 00:13:10,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18757 states. [2022-07-21 00:13:10,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18757 to 18099. [2022-07-21 00:13:10,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18099 states, 18098 states have (on average 1.0169079456293513) internal successors, (18404), 18098 states have internal predecessors, (18404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:10,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18099 states to 18099 states and 18404 transitions. [2022-07-21 00:13:10,647 INFO L78 Accepts]: Start accepts. Automaton has 18099 states and 18404 transitions. Word has length 2324 [2022-07-21 00:13:10,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:13:10,648 INFO L495 AbstractCegarLoop]: Abstraction has 18099 states and 18404 transitions. [2022-07-21 00:13:10,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:10,648 INFO L276 IsEmpty]: Start isEmpty. Operand 18099 states and 18404 transitions. [2022-07-21 00:13:10,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2418 [2022-07-21 00:13:10,689 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:13:10,690 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 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] [2022-07-21 00:13:10,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-21 00:13:10,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:13:10,903 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:13:10,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:13:10,908 INFO L85 PathProgramCache]: Analyzing trace with hash -688367373, now seen corresponding path program 1 times [2022-07-21 00:13:10,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:13:10,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638335900] [2022-07-21 00:13:10,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:13:10,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:13:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:13:11,690 INFO L134 CoverageAnalysis]: Checked inductivity of 10661 backedges. 7006 proven. 0 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2022-07-21 00:13:11,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:13:11,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638335900] [2022-07-21 00:13:11,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638335900] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:13:11,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:13:11,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 00:13:11,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598208859] [2022-07-21 00:13:11,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:13:11,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 00:13:11,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:13:11,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 00:13:11,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 00:13:11,693 INFO L87 Difference]: Start difference. First operand 18099 states and 18404 transitions. Second operand has 7 states, 7 states have (on average 133.14285714285714) internal successors, (932), 7 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:14,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:13:14,733 INFO L93 Difference]: Finished difference Result 50222 states and 51088 transitions. [2022-07-21 00:13:14,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-21 00:13:14,734 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 133.14285714285714) internal successors, (932), 7 states have internal predecessors, (932), 0 states have call successors, (0), 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 2417 [2022-07-21 00:13:14,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:13:14,768 INFO L225 Difference]: With dead ends: 50222 [2022-07-21 00:13:14,768 INFO L226 Difference]: Without dead ends: 32454 [2022-07-21 00:13:14,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2022-07-21 00:13:14,786 INFO L413 NwaCegarLoop]: 763 mSDtfsCounter, 902 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 6583 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 902 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 6703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 6583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 00:13:14,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [902 Valid, 1355 Invalid, 6703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 6583 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 00:13:14,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32454 states. [2022-07-21 00:13:14,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32454 to 18099. [2022-07-21 00:13:15,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18099 states, 18098 states have (on average 1.0168526909050724) internal successors, (18403), 18098 states have internal predecessors, (18403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:15,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18099 states to 18099 states and 18403 transitions. [2022-07-21 00:13:15,018 INFO L78 Accepts]: Start accepts. Automaton has 18099 states and 18403 transitions. Word has length 2417 [2022-07-21 00:13:15,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:13:15,019 INFO L495 AbstractCegarLoop]: Abstraction has 18099 states and 18403 transitions. [2022-07-21 00:13:15,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 133.14285714285714) internal successors, (932), 7 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:13:15,020 INFO L276 IsEmpty]: Start isEmpty. Operand 18099 states and 18403 transitions. [2022-07-21 00:13:15,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2445 [2022-07-21 00:13:15,062 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:13:15,063 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 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] [2022-07-21 00:13:15,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-21 00:13:15,063 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:13:15,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:13:15,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1867882763, now seen corresponding path program 1 times [2022-07-21 00:13:15,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:13:15,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486517919] [2022-07-21 00:13:15,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:13:15,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:13:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:13:16,139 INFO L134 CoverageAnalysis]: Checked inductivity of 10954 backedges. 8216 proven. 342 refuted. 0 times theorem prover too weak. 2396 trivial. 0 not checked. [2022-07-21 00:13:16,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:13:16,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486517919] [2022-07-21 00:13:16,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486517919] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:13:16,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954779561] [2022-07-21 00:13:16,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:13:16,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:13:16,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:13:16,141 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) [2022-07-21 00:13:16,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-21 00:13:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:13:16,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 2827 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 00:13:16,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:14:06,295 INFO L134 CoverageAnalysis]: Checked inductivity of 10954 backedges. 2541 proven. 0 refuted. 0 times theorem prover too weak. 8413 trivial. 0 not checked. [2022-07-21 00:14:06,295 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:14:06,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954779561] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:14:06,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:14:06,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2022-07-21 00:14:06,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029958726] [2022-07-21 00:14:06,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:14:06,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 00:14:06,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:14:06,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 00:14:06,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-21 00:14:06,298 INFO L87 Difference]: Start difference. First operand 18099 states and 18403 transitions. Second operand has 4 states, 4 states have (on average 163.75) internal successors, (655), 4 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:14:06,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:14:06,355 INFO L93 Difference]: Finished difference Result 19247 states and 19571 transitions. [2022-07-21 00:14:06,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 00:14:06,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 163.75) internal successors, (655), 4 states have internal predecessors, (655), 0 states have call successors, (0), 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 2444 [2022-07-21 00:14:06,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:14:06,376 INFO L225 Difference]: With dead ends: 19247 [2022-07-21 00:14:06,376 INFO L226 Difference]: Without dead ends: 19245 [2022-07-21 00:14:06,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2451 GetRequests, 2443 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-21 00:14:06,383 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 1 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 702 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 00:14:06,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 437 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 702 Unchecked, 0.0s Time] [2022-07-21 00:14:06,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19245 states. [2022-07-21 00:14:06,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19245 to 18421. [2022-07-21 00:14:06,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18421 states, 18420 states have (on average 1.0169381107491857) internal successors, (18732), 18420 states have internal predecessors, (18732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:14:06,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18421 states to 18421 states and 18732 transitions. [2022-07-21 00:14:06,554 INFO L78 Accepts]: Start accepts. Automaton has 18421 states and 18732 transitions. Word has length 2444 [2022-07-21 00:14:06,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:14:06,556 INFO L495 AbstractCegarLoop]: Abstraction has 18421 states and 18732 transitions. [2022-07-21 00:14:06,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 163.75) internal successors, (655), 4 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:14:06,556 INFO L276 IsEmpty]: Start isEmpty. Operand 18421 states and 18732 transitions. [2022-07-21 00:14:06,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2718 [2022-07-21 00:14:06,609 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:14:06,610 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:14:06,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-21 00:14:06,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:14:06,811 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:14:06,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:14:06,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1907482871, now seen corresponding path program 1 times [2022-07-21 00:14:06,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:14:06,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505220527] [2022-07-21 00:14:06,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:14:06,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:14:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:14:07,838 INFO L134 CoverageAnalysis]: Checked inductivity of 12384 backedges. 6655 proven. 891 refuted. 0 times theorem prover too weak. 4838 trivial. 0 not checked. [2022-07-21 00:14:07,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:14:07,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505220527] [2022-07-21 00:14:07,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505220527] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:14:07,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265460851] [2022-07-21 00:14:07,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:14:07,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:14:07,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:14:07,840 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) [2022-07-21 00:14:07,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-21 00:14:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:14:08,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 3089 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 00:14:08,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:14:09,086 INFO L134 CoverageAnalysis]: Checked inductivity of 12384 backedges. 2779 proven. 0 refuted. 0 times theorem prover too weak. 9605 trivial. 0 not checked. [2022-07-21 00:14:09,087 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:14:09,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265460851] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:14:09,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:14:09,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-07-21 00:14:09,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840924812] [2022-07-21 00:14:09,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:14:09,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:14:09,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:14:09,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:14:09,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-21 00:14:09,090 INFO L87 Difference]: Start difference. First operand 18421 states and 18732 transitions. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:14:09,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:14:09,849 INFO L93 Difference]: Finished difference Result 36182 states and 36794 transitions. [2022-07-21 00:14:09,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:14:09,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 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 2717 [2022-07-21 00:14:09,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:14:09,867 INFO L225 Difference]: With dead ends: 36182 [2022-07-21 00:14:09,867 INFO L226 Difference]: Without dead ends: 18092 [2022-07-21 00:14:09,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2723 GetRequests, 2717 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-21 00:14:09,878 INFO L413 NwaCegarLoop]: 421 mSDtfsCounter, 43 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 00:14:09,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 427 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 00:14:09,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18092 states. [2022-07-21 00:14:10,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18092 to 18092. [2022-07-21 00:14:10,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18092 states, 18091 states have (on average 1.0163617268254934) internal successors, (18387), 18091 states have internal predecessors, (18387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:14:10,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18092 states to 18092 states and 18387 transitions. [2022-07-21 00:14:10,042 INFO L78 Accepts]: Start accepts. Automaton has 18092 states and 18387 transitions. Word has length 2717 [2022-07-21 00:14:10,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:14:10,044 INFO L495 AbstractCegarLoop]: Abstraction has 18092 states and 18387 transitions. [2022-07-21 00:14:10,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:14:10,044 INFO L276 IsEmpty]: Start isEmpty. Operand 18092 states and 18387 transitions. [2022-07-21 00:14:10,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2774 [2022-07-21 00:14:10,098 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:14:10,099 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:14:10,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-21 00:14:10,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:14:10,300 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:14:10,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:14:10,300 INFO L85 PathProgramCache]: Analyzing trace with hash 335118229, now seen corresponding path program 1 times [2022-07-21 00:14:10,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:14:10,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902153164] [2022-07-21 00:14:10,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:14:10,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:14:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:14:11,294 INFO L134 CoverageAnalysis]: Checked inductivity of 13395 backedges. 2896 proven. 0 refuted. 0 times theorem prover too weak. 10499 trivial. 0 not checked. [2022-07-21 00:14:11,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:14:11,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902153164] [2022-07-21 00:14:11,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902153164] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:14:11,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:14:11,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 00:14:11,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014245452] [2022-07-21 00:14:11,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:14:11,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 00:14:11,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:14:11,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 00:14:11,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:14:11,297 INFO L87 Difference]: Start difference. First operand 18092 states and 18387 transitions. Second operand has 6 states, 6 states have (on average 116.5) internal successors, (699), 6 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:14:11,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:14:11,987 INFO L93 Difference]: Finished difference Result 35631 states and 36216 transitions. [2022-07-21 00:14:11,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 00:14:11,987 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 116.5) internal successors, (699), 6 states have internal predecessors, (699), 0 states have call successors, (0), 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 2773 [2022-07-21 00:14:11,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:14:12,004 INFO L225 Difference]: With dead ends: 35631 [2022-07-21 00:14:12,004 INFO L226 Difference]: Without dead ends: 17763 [2022-07-21 00:14:12,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:14:12,015 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 55 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 00:14:12,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 444 Invalid, 908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 00:14:12,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17763 states. [2022-07-21 00:14:12,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17763 to 17763. [2022-07-21 00:14:12,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17763 states, 17762 states have (on average 1.0161017903389258) internal successors, (18048), 17762 states have internal predecessors, (18048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:14:12,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17763 states to 17763 states and 18048 transitions. [2022-07-21 00:14:12,260 INFO L78 Accepts]: Start accepts. Automaton has 17763 states and 18048 transitions. Word has length 2773 [2022-07-21 00:14:12,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:14:12,262 INFO L495 AbstractCegarLoop]: Abstraction has 17763 states and 18048 transitions. [2022-07-21 00:14:12,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 116.5) internal successors, (699), 6 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:14:12,262 INFO L276 IsEmpty]: Start isEmpty. Operand 17763 states and 18048 transitions. [2022-07-21 00:14:12,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2774 [2022-07-21 00:14:12,316 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:14:12,317 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:14:12,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-21 00:14:12,318 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:14:12,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:14:12,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1362373835, now seen corresponding path program 2 times [2022-07-21 00:14:12,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:14:12,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112753413] [2022-07-21 00:14:12,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:14:12,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:14:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:14:13,435 INFO L134 CoverageAnalysis]: Checked inductivity of 13395 backedges. 10371 proven. 472 refuted. 0 times theorem prover too weak. 2552 trivial. 0 not checked. [2022-07-21 00:14:13,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:14:13,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112753413] [2022-07-21 00:14:13,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112753413] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:14:13,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930410725] [2022-07-21 00:14:13,436 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 00:14:13,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:14:13,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:14:13,437 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) [2022-07-21 00:14:13,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-21 00:14:13,967 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 00:14:13,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 00:14:13,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 3175 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-21 00:14:14,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:14:37,657 INFO L134 CoverageAnalysis]: Checked inductivity of 13395 backedges. 8052 proven. 1498 refuted. 0 times theorem prover too weak. 3845 trivial. 0 not checked. [2022-07-21 00:14:37,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 00:15:06,652 INFO L134 CoverageAnalysis]: Checked inductivity of 13395 backedges. 6954 proven. 2596 refuted. 0 times theorem prover too weak. 3845 trivial. 0 not checked. [2022-07-21 00:15:06,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930410725] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 00:15:06,653 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 00:15:06,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 27 [2022-07-21 00:15:06,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847045327] [2022-07-21 00:15:06,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 00:15:06,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-07-21 00:15:06,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:15:06,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-07-21 00:15:06,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=550, Unknown=0, NotChecked=0, Total=702 [2022-07-21 00:15:06,658 INFO L87 Difference]: Start difference. First operand 17763 states and 18048 transitions. Second operand has 27 states, 27 states have (on average 94.37037037037037) internal successors, (2548), 27 states have internal predecessors, (2548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:15:25,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:15:25,318 INFO L93 Difference]: Finished difference Result 50962 states and 51807 transitions. [2022-07-21 00:15:25,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-07-21 00:15:25,319 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 94.37037037037037) internal successors, (2548), 27 states have internal predecessors, (2548), 0 states have call successors, (0), 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 2773 [2022-07-21 00:15:25,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:15:25,321 INFO L225 Difference]: With dead ends: 50962 [2022-07-21 00:15:25,321 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 00:15:25,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5632 GetRequests, 5560 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1552 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=1409, Invalid=3993, Unknown=0, NotChecked=0, Total=5402 [2022-07-21 00:15:25,338 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 5026 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 30385 mSolverCounterSat, 679 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5026 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 31064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 679 IncrementalHoareTripleChecker+Valid, 30385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2022-07-21 00:15:25,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5026 Valid, 306 Invalid, 31064 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [679 Valid, 30385 Invalid, 0 Unknown, 0 Unchecked, 15.1s Time] [2022-07-21 00:15:25,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 00:15:25,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 00:15:25,338 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) [2022-07-21 00:15:25,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 00:15:25,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2773 [2022-07-21 00:15:25,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:15:25,339 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 00:15:25,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 94.37037037037037) internal successors, (2548), 27 states have internal predecessors, (2548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:15:25,339 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 00:15:25,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 00:15:25,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 00:15:25,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-07-21 00:15:25,551 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,SelfDestructingSolverStorable24 [2022-07-21 00:15:25,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 00:15:34,166 WARN L233 SmtUtils]: Spent 8.61s on a formula simplification. DAG size of input: 829 DAG size of output: 823 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-21 00:15:43,153 WARN L233 SmtUtils]: Spent 8.39s on a formula simplification. DAG size of input: 826 DAG size of output: 820 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-21 00:15:49,309 WARN L233 SmtUtils]: Spent 6.14s on a formula simplification. DAG size of input: 814 DAG size of output: 151 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-07-21 00:15:56,652 WARN L233 SmtUtils]: Spent 5.84s on a formula simplification. DAG size of input: 811 DAG size of output: 151 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-07-21 00:15:56,656 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,656 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,656 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,656 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,656 INFO L899 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,656 INFO L899 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,656 INFO L899 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,656 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,657 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,657 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,657 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,657 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,657 INFO L899 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,657 INFO L899 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,657 INFO L899 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,657 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-07-21 00:15:56,657 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-07-21 00:15:56,657 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-07-21 00:15:56,657 INFO L899 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,657 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,658 INFO L899 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,658 INFO L899 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,658 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,658 INFO L899 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,658 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,658 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,658 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,658 INFO L899 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,658 INFO L899 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,658 INFO L899 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,658 INFO L899 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,658 INFO L899 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,658 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,658 INFO L899 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,658 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,659 INFO L899 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,659 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-07-21 00:15:56,659 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-07-21 00:15:56,659 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-07-21 00:15:56,659 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,659 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,659 INFO L899 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,659 INFO L899 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,659 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,659 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,659 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,659 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,659 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,659 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,659 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-07-21 00:15:56,659 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-07-21 00:15:56,659 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-07-21 00:15:56,659 INFO L899 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,659 INFO L899 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-07-21 00:15:56,660 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-07-21 00:15:56,661 INFO L895 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse24 (= 5 ~a12~0))) (let ((.cse18 (= ~a12~0 9)) (.cse9 (not .cse24)) (.cse1 (= ~a15~0 4)) (.cse30 (= |ULTIMATE.start_calculate_output_~input#1| 6)) (.cse22 (= |ULTIMATE.start_calculate_output_~input#1| 2)) (.cse12 (= |ULTIMATE.start_calculate_output_~input#1| 1)) (.cse13 (= |ULTIMATE.start_calculate_output_~input#1| 3)) (.cse28 (= |ULTIMATE.start_calculate_output_~input#1| 4)) (.cse14 (= |ULTIMATE.start_calculate_output_~input#1| 5))) (let ((.cse4 (= 7 ~a12~0)) (.cse8 (= ~a16~0 10)) (.cse25 (= ~a15~0 3)) (.cse20 (or .cse30 .cse22 .cse12 .cse13 .cse28 .cse14)) (.cse19 (<= (+ (div ~a18~0 (- 2)) 79) 0)) (.cse17 (= ~a12~0 6)) (.cse27 (or .cse30 .cse12 .cse13 .cse28 .cse14)) (.cse2 (<= 0 (+ 600001 ~a18~0))) (.cse3 (<= (+ 87 ~a18~0) 0)) (.cse26 (+ ~a18~0 156)) (.cse5 (<= ~a12~0 5)) (.cse6 (<= ~a16~0 11)) (.cse7 (or .cse22 .cse12 .cse13 .cse28 .cse14 (let ((.cse29 (and .cse30 .cse1))) (and (or (not .cse18) .cse29) (or .cse9 .cse29))))) (.cse21 (= ~a16~0 9)) (.cse0 (= ~a16~0 8)) (.cse11 (= ~a12~0 8)) (.cse23 (or (and .cse1 .cse24) (<= ~a18~0 134))) (.cse10 (<= ~a15~0 3)) (.cse15 (<= 0 (+ ~a18~0 155))) (.cse16 (<= 11 ~a16~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse6 .cse7 (or (not .cse8) .cse9)) (and .cse0 .cse10 .cse6) (and .cse0 .cse1 .cse2 .cse11 .cse3) (and .cse5 .cse1 .cse2 (or .cse12 .cse13 .cse14) .cse3 .cse6) (and .cse10 .cse11 .cse15 .cse16) (and .cse10 .cse2 .cse17 .cse6) (and (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|) (= |ULTIMATE.start_calculate_output2_~input#1| 4)) .cse18 .cse0 .cse1 .cse19 .cse20) (and .cse10 .cse15 .cse4) (and .cse21 .cse1 .cse2 .cse4) (and .cse0 .cse1 (not .cse22) (<= 0 (+ 77 ~a18~0)) .cse23 .cse4) (and .cse15 .cse24 .cse25) (and .cse1 .cse2 .cse17 .cse6) (and .cse8 .cse11 (<= 150 ~a18~0) .cse25) (and .cse18 .cse21 .cse1 .cse2 (<= .cse26 0) .cse20) (and .cse18 .cse0 .cse1 .cse15 .cse20 .cse23) (and .cse0 .cse1 .cse2 .cse24 .cse7) (and .cse18 .cse10 .cse2 .cse3) (and .cse18 .cse0 .cse1 .cse19 .cse27) (and .cse10 .cse15 .cse17) (and .cse18 .cse21 .cse1 .cse15 (<= (+ ~a18~0 80) 0) .cse27) (and .cse21 .cse10 .cse6) (and .cse10 .cse2 .cse11 .cse3) (and (<= (+ ~a18~0 79) 0) .cse5 .cse1 (< 0 .cse26) .cse6) (and .cse5 .cse1 (<= 10 ~a16~0) (< 0 (+ (div (+ ~a18~0 (- 599175)) 3) 156)) .cse6 .cse7) (and .cse21 .cse1 .cse11 .cse15) (and .cse0 .cse1 .cse11 .cse15 .cse23) (and .cse18 .cse10 .cse15 .cse16))))) [2022-07-21 00:15:56,661 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,661 INFO L899 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,661 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,661 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,661 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,661 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,661 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,661 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,661 INFO L899 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,661 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,661 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-07-21 00:15:56,661 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-07-21 00:15:56,661 INFO L899 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,661 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-07-21 00:15:56,661 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,661 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,661 INFO L899 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,661 INFO L899 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,661 INFO L899 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,662 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,663 INFO L899 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,663 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,663 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,663 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-07-21 00:15:56,663 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-07-21 00:15:56,663 INFO L899 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,663 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-07-21 00:15:56,663 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,663 INFO L895 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse22 (= 5 ~a12~0))) (let ((.cse25 (<= ~a18~0 134)) (.cse12 (= ~a12~0 9)) (.cse8 (not .cse22)) (.cse1 (= ~a15~0 4)) (.cse17 (= |ULTIMATE.start_calculate_output_~input#1| 2)) (.cse16 (= 2 |ULTIMATE.start_calculate_output2_~input#1|)) (.cse30 (= |ULTIMATE.start_calculate_output_~input#1| 6)) (.cse26 (= |ULTIMATE.start_calculate_output_~input#1| 1)) (.cse24 (= |ULTIMATE.start_calculate_output_~input#1| 3)) (.cse27 (= |ULTIMATE.start_calculate_output_~input#1| 4)) (.cse28 (= |ULTIMATE.start_calculate_output_~input#1| 5)) (.cse31 (= |ULTIMATE.start_calculate_output2_~input#1| 1)) (.cse32 (= 3 |ULTIMATE.start_calculate_output2_~input#1|)) (.cse33 (= 5 |ULTIMATE.start_calculate_output2_~input#1|)) (.cse34 (= 6 |ULTIMATE.start_calculate_output2_~input#1|)) (.cse35 (= |ULTIMATE.start_calculate_output2_~input#1| 4))) (let ((.cse4 (= 7 ~a12~0)) (.cse11 (or .cse31 .cse32 .cse33 .cse34 .cse35)) (.cse3 (<= (+ 87 ~a18~0) 0)) (.cse15 (or .cse30 .cse26 .cse24 .cse27 .cse28)) (.cse19 (= ~a12~0 6)) (.cse20 (or .cse31 .cse32 .cse33 .cse16 .cse34 .cse35)) (.cse21 (or .cse30 .cse17 .cse26 .cse24 .cse27 .cse28)) (.cse9 (<= ~a15~0 3)) (.cse2 (<= 0 (+ 600001 ~a18~0))) (.cse23 (<= 11 ~a16~0)) (.cse5 (<= ~a12~0 5)) (.cse6 (<= ~a16~0 11)) (.cse7 (or .cse17 .cse26 .cse24 .cse27 .cse28 (let ((.cse29 (and .cse30 .cse1))) (and (or (not .cse12) .cse29) (or .cse8 .cse29))))) (.cse13 (= ~a16~0 9)) (.cse0 (= ~a16~0 8)) (.cse10 (= ~a12~0 8)) (.cse14 (<= 0 (+ ~a18~0 155))) (.cse18 (or (and .cse1 .cse22) .cse25))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse6 .cse7 (or (not (= ~a16~0 10)) .cse8)) (and .cse9 .cse2 .cse10 .cse3 .cse6) (and .cse11 .cse12 .cse13 .cse1 .cse14 (<= (+ ~a18~0 80) 0) .cse15) (and .cse0 .cse1 .cse2 .cse10 .cse3) (and (not .cse16) .cse0 .cse1 (not .cse17) (<= 0 (+ 77 ~a18~0)) .cse18 .cse4) (and .cse12 .cse9 .cse2 .cse3 .cse6) (and .cse0 .cse9) (and .cse9 .cse2 .cse19 .cse6) (and .cse20 .cse12 .cse0 .cse1 (<= (+ (div ~a18~0 (- 2)) 79) 0) .cse21) (and .cse13 .cse9) (and .cse9 .cse14 .cse4) (and .cse13 .cse1 .cse2 .cse4) (and .cse14 .cse22 (= ~a15~0 3)) (and .cse1 .cse2 .cse19 .cse6) (and .cse12 .cse9 .cse2 .cse23) (and .cse11 .cse12 .cse13 .cse1 .cse2 .cse3 .cse15) (and .cse9 .cse14 .cse19) (and .cse0 .cse1 .cse2 (or (not .cse24) .cse25) .cse22 .cse7) (and (<= (+ ~a18~0 79) 0) .cse5 .cse1 (< 0 (+ ~a18~0 156)) .cse6) (and .cse20 .cse12 .cse0 .cse1 .cse14 .cse21 .cse18) (and .cse9 .cse2 .cse10 .cse23) (and .cse5 .cse1 (<= 10 ~a16~0) (< 0 (+ (div (+ ~a18~0 (- 599175)) 3) 156)) .cse6 .cse7) (and .cse13 .cse1 .cse10 .cse14) (and .cse0 .cse1 .cse10 .cse14 .cse18))))) [2022-07-21 00:15:56,663 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,663 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,663 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,663 INFO L899 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,664 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,664 INFO L899 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,664 INFO L899 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,664 INFO L899 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,664 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 00:15:56,664 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,664 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,664 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,664 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,664 INFO L899 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,665 INFO L899 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,665 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-07-21 00:15:56,665 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,665 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-07-21 00:15:56,665 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-07-21 00:15:56,665 INFO L899 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,665 INFO L902 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2022-07-21 00:15:56,665 INFO L899 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,665 INFO L899 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,666 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,666 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,666 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,666 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,666 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,666 INFO L899 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,666 INFO L899 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,666 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,666 INFO L899 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,666 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-21 00:15:56,666 INFO L899 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,666 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-07-21 00:15:56,667 INFO L899 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,667 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-07-21 00:15:56,667 INFO L899 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,667 INFO L899 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,667 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,667 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,667 INFO L899 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,667 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,667 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,667 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,667 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,668 INFO L899 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,668 INFO L899 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,668 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,668 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,668 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,668 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,668 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,668 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-07-21 00:15:56,668 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-07-21 00:15:56,668 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-07-21 00:15:56,669 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 00:15:56,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 128) no Hoare annotation was computed. [2022-07-21 00:15:56,669 INFO L895 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse24 (= 5 ~a12~0))) (let ((.cse18 (= ~a12~0 9)) (.cse9 (not .cse24)) (.cse1 (= ~a15~0 4)) (.cse30 (= |ULTIMATE.start_calculate_output_~input#1| 6)) (.cse22 (= |ULTIMATE.start_calculate_output_~input#1| 2)) (.cse12 (= |ULTIMATE.start_calculate_output_~input#1| 1)) (.cse13 (= |ULTIMATE.start_calculate_output_~input#1| 3)) (.cse28 (= |ULTIMATE.start_calculate_output_~input#1| 4)) (.cse14 (= |ULTIMATE.start_calculate_output_~input#1| 5))) (let ((.cse4 (= 7 ~a12~0)) (.cse8 (= ~a16~0 10)) (.cse25 (= ~a15~0 3)) (.cse20 (or .cse30 .cse22 .cse12 .cse13 .cse28 .cse14)) (.cse19 (<= (+ (div ~a18~0 (- 2)) 79) 0)) (.cse17 (= ~a12~0 6)) (.cse27 (or .cse30 .cse12 .cse13 .cse28 .cse14)) (.cse2 (<= 0 (+ 600001 ~a18~0))) (.cse3 (<= (+ 87 ~a18~0) 0)) (.cse26 (+ ~a18~0 156)) (.cse5 (<= ~a12~0 5)) (.cse6 (<= ~a16~0 11)) (.cse7 (or .cse22 .cse12 .cse13 .cse28 .cse14 (let ((.cse29 (and .cse30 .cse1))) (and (or (not .cse18) .cse29) (or .cse9 .cse29))))) (.cse21 (= ~a16~0 9)) (.cse0 (= ~a16~0 8)) (.cse11 (= ~a12~0 8)) (.cse23 (or (and .cse1 .cse24) (<= ~a18~0 134))) (.cse10 (<= ~a15~0 3)) (.cse15 (<= 0 (+ ~a18~0 155))) (.cse16 (<= 11 ~a16~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse6 .cse7 (or (not .cse8) .cse9)) (and .cse0 .cse10 .cse6) (and .cse0 .cse1 .cse2 .cse11 .cse3) (and .cse5 .cse1 .cse2 (or .cse12 .cse13 .cse14) .cse3 .cse6) (and .cse10 .cse11 .cse15 .cse16) (and .cse10 .cse2 .cse17 .cse6) (and (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|) (= |ULTIMATE.start_calculate_output2_~input#1| 4)) .cse18 .cse0 .cse1 .cse19 .cse20) (and .cse10 .cse15 .cse4) (and .cse21 .cse1 .cse2 .cse4) (and .cse0 .cse1 (not .cse22) (<= 0 (+ 77 ~a18~0)) .cse23 .cse4) (and .cse15 .cse24 .cse25) (and .cse1 .cse2 .cse17 .cse6) (and .cse8 .cse11 (<= 150 ~a18~0) .cse25) (and .cse18 .cse21 .cse1 .cse2 (<= .cse26 0) .cse20) (and .cse18 .cse0 .cse1 .cse15 .cse20 .cse23) (and .cse0 .cse1 .cse2 .cse24 .cse7) (and .cse18 .cse10 .cse2 .cse3) (and .cse18 .cse0 .cse1 .cse19 .cse27) (and .cse10 .cse15 .cse17) (and .cse18 .cse21 .cse1 .cse15 (<= (+ ~a18~0 80) 0) .cse27) (and .cse21 .cse10 .cse6) (and .cse10 .cse2 .cse11 .cse3) (and (<= (+ ~a18~0 79) 0) .cse5 .cse1 (< 0 .cse26) .cse6) (and .cse5 .cse1 (<= 10 ~a16~0) (< 0 (+ (div (+ ~a18~0 (- 599175)) 3) 156)) .cse6 .cse7) (and .cse21 .cse1 .cse11 .cse15) (and .cse0 .cse1 .cse11 .cse15 .cse23) (and .cse18 .cse10 .cse15 .cse16))))) [2022-07-21 00:15:56,669 INFO L899 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,669 INFO L899 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,669 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,669 INFO L899 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,670 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,670 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,670 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,670 INFO L899 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,670 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,670 INFO L899 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,670 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,670 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,670 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,670 INFO L899 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,671 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-07-21 00:15:56,671 INFO L899 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,671 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-07-21 00:15:56,671 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-07-21 00:15:56,671 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,671 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,671 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,671 INFO L899 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,671 INFO L899 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,671 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,672 INFO L899 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,672 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,672 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,672 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,672 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,672 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,672 INFO L899 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2022-07-21 00:15:56,672 INFO L899 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,672 INFO L899 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,672 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,673 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,673 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,673 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-07-21 00:15:56,673 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-07-21 00:15:56,673 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-07-21 00:15:56,673 INFO L899 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,673 INFO L899 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,673 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,673 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,673 INFO L899 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,674 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,674 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,674 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,674 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,674 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,674 INFO L899 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,674 INFO L899 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,674 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,674 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-07-21 00:15:56,674 INFO L899 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,675 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-07-21 00:15:56,675 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-07-21 00:15:56,675 INFO L899 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,675 INFO L899 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,675 INFO L899 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,676 INFO L899 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,676 INFO L899 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,676 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,676 INFO L899 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,676 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,676 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,676 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,676 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,676 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,677 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,677 INFO L899 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,677 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-07-21 00:15:56,677 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-07-21 00:15:56,677 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-07-21 00:15:56,677 INFO L899 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,677 INFO L899 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,677 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,677 INFO L899 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,677 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,678 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,678 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,678 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,678 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,678 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,678 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,678 INFO L899 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,678 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,678 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,678 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-21 00:15:56,678 INFO L899 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,678 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-07-21 00:15:56,678 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-07-21 00:15:56,678 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,679 INFO L899 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,679 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,679 INFO L899 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,679 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,679 INFO L899 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,679 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,679 INFO L899 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,679 INFO L899 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,679 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,679 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,680 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,680 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,680 INFO L899 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,680 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-07-21 00:15:56,680 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-07-21 00:15:56,680 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-07-21 00:15:56,680 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,680 INFO L899 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,680 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,681 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,681 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,681 INFO L899 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,681 INFO L899 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,681 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,681 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,681 INFO L899 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,681 INFO L899 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,681 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,681 INFO L899 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,682 INFO L899 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,682 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 00:15:56,682 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,682 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-07-21 00:15:56,682 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-07-21 00:15:56,682 INFO L899 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,682 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,682 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,682 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,682 INFO L899 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,683 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,683 INFO L899 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,683 INFO L899 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,683 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,683 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,683 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,683 INFO L899 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,683 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-07-21 00:15:56,683 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-07-21 00:15:56,683 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,684 INFO L899 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,684 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,684 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,684 INFO L899 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,684 INFO L899 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,684 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,684 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,684 INFO L899 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,684 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,684 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,684 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,685 INFO L899 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,685 INFO L899 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,685 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,685 INFO L899 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,685 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-07-21 00:15:56,685 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-07-21 00:15:56,685 INFO L899 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,685 INFO L899 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,685 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,685 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,686 INFO L899 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,686 INFO L899 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,686 INFO L899 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,686 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,686 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,686 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 00:15:56,686 INFO L899 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,686 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,686 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-07-21 00:15:56,686 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-07-21 00:15:56,687 INFO L899 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,687 INFO L899 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,687 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,687 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,687 INFO L899 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,687 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,687 INFO L899 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,687 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,687 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,687 INFO L899 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,688 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,688 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,688 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,688 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,688 INFO L899 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,688 INFO L899 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,688 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,688 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-07-21 00:15:56,688 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-07-21 00:15:56,688 INFO L899 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,689 INFO L899 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,689 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,689 INFO L899 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,689 INFO L899 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,689 INFO L899 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,689 INFO L899 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2022-07-21 00:15:56,689 INFO L899 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,689 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,689 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,689 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-07-21 00:15:56,690 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2022-07-21 00:15:56,690 INFO L899 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,690 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,690 INFO L899 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2022-07-21 00:15:56,690 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-07-21 00:15:56,690 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-07-21 00:15:56,690 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-07-21 00:15:56,693 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, 1] [2022-07-21 00:15:56,694 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 00:15:56,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:15:56 BoogieIcfgContainer [2022-07-21 00:15:56,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 00:15:56,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 00:15:56,723 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 00:15:56,723 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 00:15:56,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:12:26" (3/4) ... [2022-07-21 00:15:56,729 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 00:15:56,764 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-21 00:15:56,765 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 00:15:56,767 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 00:15:56,768 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 00:15:56,862 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 00:15:56,863 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 00:15:56,863 INFO L158 Benchmark]: Toolchain (without parser) took 212616.54ms. Allocated memory was 67.1MB in the beginning and 2.1GB in the end (delta: 2.1GB). Free memory was 42.5MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 741.1MB. Max. memory is 16.1GB. [2022-07-21 00:15:56,863 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 48.7MB in the beginning and 48.7MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 00:15:56,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 742.91ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 42.2MB in the beginning and 35.4MB in the end (delta: 6.8MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2022-07-21 00:15:56,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 170.25ms. Allocated memory is still 81.8MB. Free memory was 35.4MB in the beginning and 43.8MB in the end (delta: -8.3MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2022-07-21 00:15:56,864 INFO L158 Benchmark]: Boogie Preprocessor took 124.58ms. Allocated memory is still 81.8MB. Free memory was 43.8MB in the beginning and 30.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-21 00:15:56,864 INFO L158 Benchmark]: RCFGBuilder took 1602.78ms. Allocated memory was 81.8MB in the beginning and 169.9MB in the end (delta: 88.1MB). Free memory was 30.7MB in the beginning and 114.8MB in the end (delta: -84.2MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2022-07-21 00:15:56,864 INFO L158 Benchmark]: TraceAbstraction took 209829.15ms. Allocated memory was 169.9MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 114.8MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2022-07-21 00:15:56,864 INFO L158 Benchmark]: Witness Printer took 140.23ms. Allocated memory is still 2.1GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-21 00:15:56,865 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 48.7MB in the beginning and 48.7MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 742.91ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 42.2MB in the beginning and 35.4MB in the end (delta: 6.8MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 170.25ms. Allocated memory is still 81.8MB. Free memory was 35.4MB in the beginning and 43.8MB in the end (delta: -8.3MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 124.58ms. Allocated memory is still 81.8MB. Free memory was 43.8MB in the beginning and 30.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1602.78ms. Allocated memory was 81.8MB in the beginning and 169.9MB in the end (delta: 88.1MB). Free memory was 30.7MB in the beginning and 114.8MB in the end (delta: -84.2MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. * TraceAbstraction took 209829.15ms. Allocated memory was 169.9MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 114.8MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 140.23ms. Allocated memory is still 2.1GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 128]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 209.7s, OverallIterations: 25, TraceHistogramMax: 15, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.7s, AutomataDifference: 47.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 31.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12423 SdHoareTripleChecker+Valid, 41.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12423 mSDsluCounter, 8873 SdHoareTripleChecker+Invalid, 33.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 702 IncrementalHoareTripleChecker+Unchecked, 1368 mSDsCounter, 4142 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73581 IncrementalHoareTripleChecker+Invalid, 78425 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4142 mSolverCounterUnsat, 7505 mSDtfsCounter, 73581 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20035 GetRequests, 19852 SyntacticMatches, 0 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1824 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18421occurred in iteration=22, InterpolantAutomatonStates: 176, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 25 MinimizatonAttempts, 32415 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 431 NumberOfFragments, 2196 HoareAnnotationTreeSize, 4 FomulaSimplifications, 73035 FormulaSimplificationTreeSizeReduction, 17.6s HoareSimplificationTime, 4 FomulaSimplificationsInter, 301616 FormulaSimplificationTreeSizeReductionInter, 13.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 118.4s InterpolantComputationTime, 50183 NumberOfCodeBlocks, 50183 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 54262 ConstructedInterpolants, 322 QuantifiedInterpolants, 226109 SizeOfPredicates, 12 NumberOfNonLiveVariables, 18169 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 35 InterpolantComputations, 23 PerfectInterpolantSequences, 199177/206295 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1504]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((a16 == 8 && a15 == 4) && 0 <= 600001 + a18) && 87 + a18 <= 0) && 7 == a12) || ((((((a12 <= 5 && a15 == 4) && 0 <= 600001 + a18) && 87 + a18 <= 0) && a16 <= 11) && (((((input == 2 || input == 1) || input == 3) || input == 4) || input == 5) || ((!(a12 == 9) || (input == 6 && a15 == 4)) && (!(5 == a12) || (input == 6 && a15 == 4))))) && (!(a16 == 10) || !(5 == a12)))) || ((((a15 <= 3 && 0 <= 600001 + a18) && a12 == 8) && 87 + a18 <= 0) && a16 <= 11)) || ((((((((((input == 1 || 3 == input) || 5 == input) || 6 == input) || input == 4) && a12 == 9) && a16 == 9) && a15 == 4) && 0 <= a18 + 155) && a18 + 80 <= 0) && ((((input == 6 || input == 1) || input == 3) || input == 4) || input == 5))) || ((((a16 == 8 && a15 == 4) && 0 <= 600001 + a18) && a12 == 8) && 87 + a18 <= 0)) || ((((((!(2 == input) && a16 == 8) && a15 == 4) && !(input == 2)) && 0 <= 77 + a18) && ((a15 == 4 && 5 == a12) || a18 <= 134)) && 7 == a12)) || ((((a12 == 9 && a15 <= 3) && 0 <= 600001 + a18) && 87 + a18 <= 0) && a16 <= 11)) || (a16 == 8 && a15 <= 3)) || (((a15 <= 3 && 0 <= 600001 + a18) && a12 == 6) && a16 <= 11)) || ((((((((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4) && a12 == 9) && a16 == 8) && a15 == 4) && a18 / -2 + 79 <= 0) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5))) || (a16 == 9 && a15 <= 3)) || ((a15 <= 3 && 0 <= a18 + 155) && 7 == a12)) || (((a16 == 9 && a15 == 4) && 0 <= 600001 + a18) && 7 == a12)) || ((0 <= a18 + 155 && 5 == a12) && a15 == 3)) || (((a15 == 4 && 0 <= 600001 + a18) && a12 == 6) && a16 <= 11)) || (((a12 == 9 && a15 <= 3) && 0 <= 600001 + a18) && 11 <= a16)) || ((((((((((input == 1 || 3 == input) || 5 == input) || 6 == input) || input == 4) && a12 == 9) && a16 == 9) && a15 == 4) && 0 <= 600001 + a18) && 87 + a18 <= 0) && ((((input == 6 || input == 1) || input == 3) || input == 4) || input == 5))) || ((a15 <= 3 && 0 <= a18 + 155) && a12 == 6)) || (((((a16 == 8 && a15 == 4) && 0 <= 600001 + a18) && (!(input == 3) || a18 <= 134)) && 5 == a12) && (((((input == 2 || input == 1) || input == 3) || input == 4) || input == 5) || ((!(a12 == 9) || (input == 6 && a15 == 4)) && (!(5 == a12) || (input == 6 && a15 == 4)))))) || ((((a18 + 79 <= 0 && a12 <= 5) && a15 == 4) && 0 < a18 + 156) && a16 <= 11)) || (((((((((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4) && a12 == 9) && a16 == 8) && a15 == 4) && 0 <= a18 + 155) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && ((a15 == 4 && 5 == a12) || a18 <= 134))) || (((a15 <= 3 && 0 <= 600001 + a18) && a12 == 8) && 11 <= a16)) || (((((a12 <= 5 && a15 == 4) && 10 <= a16) && 0 < (a18 + -599175) / 3 + 156) && a16 <= 11) && (((((input == 2 || input == 1) || input == 3) || input == 4) || input == 5) || ((!(a12 == 9) || (input == 6 && a15 == 4)) && (!(5 == a12) || (input == 6 && a15 == 4)))))) || (((a16 == 9 && a15 == 4) && a12 == 8) && 0 <= a18 + 155)) || ((((a16 == 8 && a15 == 4) && a12 == 8) && 0 <= a18 + 155) && ((a15 == 4 && 5 == a12) || a18 <= 134)) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((a16 == 8 && a15 == 4) && 0 <= 600001 + a18) && 87 + a18 <= 0) && 7 == a12) || ((((((a12 <= 5 && a15 == 4) && 0 <= 600001 + a18) && 87 + a18 <= 0) && a16 <= 11) && (((((input == 2 || input == 1) || input == 3) || input == 4) || input == 5) || ((!(a12 == 9) || (input == 6 && a15 == 4)) && (!(5 == a12) || (input == 6 && a15 == 4))))) && (!(a16 == 10) || !(5 == a12)))) || ((a16 == 8 && a15 <= 3) && a16 <= 11)) || ((((a16 == 8 && a15 == 4) && 0 <= 600001 + a18) && a12 == 8) && 87 + a18 <= 0)) || (((((a12 <= 5 && a15 == 4) && 0 <= 600001 + a18) && ((input == 1 || input == 3) || input == 5)) && 87 + a18 <= 0) && a16 <= 11)) || (((a15 <= 3 && a12 == 8) && 0 <= a18 + 155) && 11 <= a16)) || (((a15 <= 3 && 0 <= 600001 + a18) && a12 == 6) && a16 <= 11)) || ((((((((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4) && a12 == 9) && a16 == 8) && a15 == 4) && a18 / -2 + 79 <= 0) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5))) || ((a15 <= 3 && 0 <= a18 + 155) && 7 == a12)) || (((a16 == 9 && a15 == 4) && 0 <= 600001 + a18) && 7 == a12)) || (((((a16 == 8 && a15 == 4) && !(input == 2)) && 0 <= 77 + a18) && ((a15 == 4 && 5 == a12) || a18 <= 134)) && 7 == a12)) || ((0 <= a18 + 155 && 5 == a12) && a15 == 3)) || (((a15 == 4 && 0 <= 600001 + a18) && a12 == 6) && a16 <= 11)) || (((a16 == 10 && a12 == 8) && 150 <= a18) && a15 == 3)) || (((((a12 == 9 && a16 == 9) && a15 == 4) && 0 <= 600001 + a18) && a18 + 156 <= 0) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5))) || (((((a12 == 9 && a16 == 8) && a15 == 4) && 0 <= a18 + 155) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && ((a15 == 4 && 5 == a12) || a18 <= 134))) || ((((a16 == 8 && a15 == 4) && 0 <= 600001 + a18) && 5 == a12) && (((((input == 2 || input == 1) || input == 3) || input == 4) || input == 5) || ((!(a12 == 9) || (input == 6 && a15 == 4)) && (!(5 == a12) || (input == 6 && a15 == 4)))))) || (((a12 == 9 && a15 <= 3) && 0 <= 600001 + a18) && 87 + a18 <= 0)) || ((((a12 == 9 && a16 == 8) && a15 == 4) && a18 / -2 + 79 <= 0) && ((((input == 6 || input == 1) || input == 3) || input == 4) || input == 5))) || ((a15 <= 3 && 0 <= a18 + 155) && a12 == 6)) || (((((a12 == 9 && a16 == 9) && a15 == 4) && 0 <= a18 + 155) && a18 + 80 <= 0) && ((((input == 6 || input == 1) || input == 3) || input == 4) || input == 5))) || ((a16 == 9 && a15 <= 3) && a16 <= 11)) || (((a15 <= 3 && 0 <= 600001 + a18) && a12 == 8) && 87 + a18 <= 0)) || ((((a18 + 79 <= 0 && a12 <= 5) && a15 == 4) && 0 < a18 + 156) && a16 <= 11)) || (((((a12 <= 5 && a15 == 4) && 10 <= a16) && 0 < (a18 + -599175) / 3 + 156) && a16 <= 11) && (((((input == 2 || input == 1) || input == 3) || input == 4) || input == 5) || ((!(a12 == 9) || (input == 6 && a15 == 4)) && (!(5 == a12) || (input == 6 && a15 == 4)))))) || (((a16 == 9 && a15 == 4) && a12 == 8) && 0 <= a18 + 155)) || ((((a16 == 8 && a15 == 4) && a12 == 8) && 0 <= a18 + 155) && ((a15 == 4 && 5 == a12) || a18 <= 134))) || (((a12 == 9 && a15 <= 3) && 0 <= a18 + 155) && 11 <= a16) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((a16 == 8 && a15 == 4) && 0 <= 600001 + a18) && 87 + a18 <= 0) && 7 == a12) || ((((((a12 <= 5 && a15 == 4) && 0 <= 600001 + a18) && 87 + a18 <= 0) && a16 <= 11) && (((((input == 2 || input == 1) || input == 3) || input == 4) || input == 5) || ((!(a12 == 9) || (input == 6 && a15 == 4)) && (!(5 == a12) || (input == 6 && a15 == 4))))) && (!(a16 == 10) || !(5 == a12)))) || ((a16 == 8 && a15 <= 3) && a16 <= 11)) || ((((a16 == 8 && a15 == 4) && 0 <= 600001 + a18) && a12 == 8) && 87 + a18 <= 0)) || (((((a12 <= 5 && a15 == 4) && 0 <= 600001 + a18) && ((input == 1 || input == 3) || input == 5)) && 87 + a18 <= 0) && a16 <= 11)) || (((a15 <= 3 && a12 == 8) && 0 <= a18 + 155) && 11 <= a16)) || (((a15 <= 3 && 0 <= 600001 + a18) && a12 == 6) && a16 <= 11)) || ((((((((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4) && a12 == 9) && a16 == 8) && a15 == 4) && a18 / -2 + 79 <= 0) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5))) || ((a15 <= 3 && 0 <= a18 + 155) && 7 == a12)) || (((a16 == 9 && a15 == 4) && 0 <= 600001 + a18) && 7 == a12)) || (((((a16 == 8 && a15 == 4) && !(input == 2)) && 0 <= 77 + a18) && ((a15 == 4 && 5 == a12) || a18 <= 134)) && 7 == a12)) || ((0 <= a18 + 155 && 5 == a12) && a15 == 3)) || (((a15 == 4 && 0 <= 600001 + a18) && a12 == 6) && a16 <= 11)) || (((a16 == 10 && a12 == 8) && 150 <= a18) && a15 == 3)) || (((((a12 == 9 && a16 == 9) && a15 == 4) && 0 <= 600001 + a18) && a18 + 156 <= 0) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5))) || (((((a12 == 9 && a16 == 8) && a15 == 4) && 0 <= a18 + 155) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && ((a15 == 4 && 5 == a12) || a18 <= 134))) || ((((a16 == 8 && a15 == 4) && 0 <= 600001 + a18) && 5 == a12) && (((((input == 2 || input == 1) || input == 3) || input == 4) || input == 5) || ((!(a12 == 9) || (input == 6 && a15 == 4)) && (!(5 == a12) || (input == 6 && a15 == 4)))))) || (((a12 == 9 && a15 <= 3) && 0 <= 600001 + a18) && 87 + a18 <= 0)) || ((((a12 == 9 && a16 == 8) && a15 == 4) && a18 / -2 + 79 <= 0) && ((((input == 6 || input == 1) || input == 3) || input == 4) || input == 5))) || ((a15 <= 3 && 0 <= a18 + 155) && a12 == 6)) || (((((a12 == 9 && a16 == 9) && a15 == 4) && 0 <= a18 + 155) && a18 + 80 <= 0) && ((((input == 6 || input == 1) || input == 3) || input == 4) || input == 5))) || ((a16 == 9 && a15 <= 3) && a16 <= 11)) || (((a15 <= 3 && 0 <= 600001 + a18) && a12 == 8) && 87 + a18 <= 0)) || ((((a18 + 79 <= 0 && a12 <= 5) && a15 == 4) && 0 < a18 + 156) && a16 <= 11)) || (((((a12 <= 5 && a15 == 4) && 10 <= a16) && 0 < (a18 + -599175) / 3 + 156) && a16 <= 11) && (((((input == 2 || input == 1) || input == 3) || input == 4) || input == 5) || ((!(a12 == 9) || (input == 6 && a15 == 4)) && (!(5 == a12) || (input == 6 && a15 == 4)))))) || (((a16 == 9 && a15 == 4) && a12 == 8) && 0 <= a18 + 155)) || ((((a16 == 8 && a15 == 4) && a12 == 8) && 0 <= a18 + 155) && ((a15 == 4 && 5 == a12) || a18 <= 134))) || (((a12 == 9 && a15 <= 3) && 0 <= a18 + 155) && 11 <= a16) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-21 00:15:56,891 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