./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label05.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem01_label05.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 5958333028b8f64162c92b3e987d78deaf3d77dc73071d1f6edce3e1a07212a4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 11:21:14,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 11:21:14,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 11:21:14,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 11:21:14,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 11:21:14,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 11:21:14,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 11:21:14,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 11:21:14,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 11:21:14,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 11:21:14,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 11:21:14,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 11:21:14,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 11:21:14,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 11:21:14,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 11:21:14,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 11:21:14,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 11:21:14,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 11:21:14,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 11:21:14,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 11:21:14,087 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 11:21:14,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 11:21:14,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 11:21:14,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 11:21:14,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 11:21:14,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 11:21:14,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 11:21:14,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 11:21:14,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 11:21:14,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 11:21:14,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 11:21:14,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 11:21:14,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 11:21:14,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 11:21:14,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 11:21:14,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 11:21:14,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 11:21:14,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 11:21:14,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 11:21:14,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 11:21:14,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 11:21:14,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 11:21:14,102 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 11:21:14,124 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 11:21:14,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 11:21:14,124 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 11:21:14,124 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 11:21:14,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 11:21:14,125 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 11:21:14,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 11:21:14,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 11:21:14,126 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 11:21:14,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 11:21:14,127 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 11:21:14,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 11:21:14,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 11:21:14,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 11:21:14,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 11:21:14,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 11:21:14,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 11:21:14,128 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 11:21:14,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 11:21:14,128 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 11:21:14,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 11:21:14,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 11:21:14,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 11:21:14,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 11:21:14,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 11:21:14,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 11:21:14,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 11:21:14,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 11:21:14,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 11:21:14,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 11:21:14,130 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 11:21:14,130 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 11:21:14,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 11:21:14,130 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5958333028b8f64162c92b3e987d78deaf3d77dc73071d1f6edce3e1a07212a4 [2022-07-22 11:21:14,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 11:21:14,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 11:21:14,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 11:21:14,341 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 11:21:14,342 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 11:21:14,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label05.c [2022-07-22 11:21:14,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/205dd8c8d/bb9dbd82735040da8c4ea3e78001335f/FLAG6727b6322 [2022-07-22 11:21:14,776 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 11:21:14,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label05.c [2022-07-22 11:21:14,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/205dd8c8d/bb9dbd82735040da8c4ea3e78001335f/FLAG6727b6322 [2022-07-22 11:21:15,164 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/205dd8c8d/bb9dbd82735040da8c4ea3e78001335f [2022-07-22 11:21:15,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 11:21:15,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 11:21:15,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 11:21:15,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 11:21:15,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 11:21:15,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:21:15" (1/1) ... [2022-07-22 11:21:15,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@467442e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:21:15, skipping insertion in model container [2022-07-22 11:21:15,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:21:15" (1/1) ... [2022-07-22 11:21:15,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 11:21:15,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 11:21:15,415 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/Problem01_label05.c[17240,17253] [2022-07-22 11:21:15,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 11:21:15,455 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 11:21:15,512 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/Problem01_label05.c[17240,17253] [2022-07-22 11:21:15,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 11:21:15,547 INFO L208 MainTranslator]: Completed translation [2022-07-22 11:21:15,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:21:15 WrapperNode [2022-07-22 11:21:15,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 11:21:15,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 11:21:15,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 11:21:15,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 11:21:15,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:21:15" (1/1) ... [2022-07-22 11:21:15,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:21:15" (1/1) ... [2022-07-22 11:21:15,618 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2022-07-22 11:21:15,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 11:21:15,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 11:21:15,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 11:21:15,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 11:21:15,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:21:15" (1/1) ... [2022-07-22 11:21:15,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:21:15" (1/1) ... [2022-07-22 11:21:15,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:21:15" (1/1) ... [2022-07-22 11:21:15,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:21:15" (1/1) ... [2022-07-22 11:21:15,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:21:15" (1/1) ... [2022-07-22 11:21:15,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:21:15" (1/1) ... [2022-07-22 11:21:15,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:21:15" (1/1) ... [2022-07-22 11:21:15,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 11:21:15,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 11:21:15,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 11:21:15,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 11:21:15,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:21:15" (1/1) ... [2022-07-22 11:21:15,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 11:21:15,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:21:15,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 11:21:15,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 11:21:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 11:21:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 11:21:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 11:21:15,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 11:21:15,823 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 11:21:15,824 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 11:21:16,469 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 11:21:16,476 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 11:21:16,477 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 11:21:16,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:21:16 BoogieIcfgContainer [2022-07-22 11:21:16,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 11:21:16,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 11:21:16,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 11:21:16,496 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 11:21:16,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:21:15" (1/3) ... [2022-07-22 11:21:16,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f292ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:21:16, skipping insertion in model container [2022-07-22 11:21:16,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:21:15" (2/3) ... [2022-07-22 11:21:16,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f292ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:21:16, skipping insertion in model container [2022-07-22 11:21:16,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:21:16" (3/3) ... [2022-07-22 11:21:16,499 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label05.c [2022-07-22 11:21:16,511 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 11:21:16,523 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 11:21:16,596 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 11:21:16,602 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@4c1506c7, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@50ed7f20 [2022-07-22 11:21:16,606 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 11:21:16,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:16,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-22 11:21:16,633 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:21:16,634 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:21:16,634 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:21:16,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:21:16,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1877985287, now seen corresponding path program 1 times [2022-07-22 11:21:16,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:21:16,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302173569] [2022-07-22 11:21:16,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:21:16,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:21:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:21:16,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:21:16,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:21:16,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302173569] [2022-07-22 11:21:16,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302173569] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:21:16,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:21:16,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:21:16,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23838075] [2022-07-22 11:21:16,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:21:16,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:21:16,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:21:16,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:21:16,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:21:16,951 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 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 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:17,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:21:17,416 INFO L93 Difference]: Finished difference Result 553 states and 940 transitions. [2022-07-22 11:21:17,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:21:17,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-07-22 11:21:17,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:21:17,426 INFO L225 Difference]: With dead ends: 553 [2022-07-22 11:21:17,426 INFO L226 Difference]: Without dead ends: 266 [2022-07-22 11:21:17,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:21:17,430 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 91 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 11:21:17,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 72 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 11:21:17,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-07-22 11:21:17,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2022-07-22 11:21:17,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.4339622641509433) internal successors, (380), 265 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:17,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2022-07-22 11:21:17,461 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 94 [2022-07-22 11:21:17,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:21:17,462 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2022-07-22 11:21:17,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:17,462 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2022-07-22 11:21:17,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-07-22 11:21:17,465 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:21:17,465 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 11:21:17,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 11:21:17,465 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:21:17,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:21:17,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1993122394, now seen corresponding path program 1 times [2022-07-22 11:21:17,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:21:17,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320081902] [2022-07-22 11:21:17,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:21:17,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:21:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:21:17,513 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:21:17,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:21:17,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320081902] [2022-07-22 11:21:17,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320081902] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:21:17,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:21:17,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:21:17,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529862286] [2022-07-22 11:21:17,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:21:17,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:21:17,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:21:17,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:21:17,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:21:17,516 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:17,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:21:17,789 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2022-07-22 11:21:17,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:21:17,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2022-07-22 11:21:17,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:21:17,792 INFO L225 Difference]: With dead ends: 792 [2022-07-22 11:21:17,792 INFO L226 Difference]: Without dead ends: 528 [2022-07-22 11:21:17,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:21:17,794 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 140 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 11:21:17,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 38 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 11:21:17,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-07-22 11:21:17,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2022-07-22 11:21:17,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.3434535104364327) internal successors, (708), 527 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:17,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 708 transitions. [2022-07-22 11:21:17,832 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 708 transitions. Word has length 100 [2022-07-22 11:21:17,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:21:17,833 INFO L495 AbstractCegarLoop]: Abstraction has 528 states and 708 transitions. [2022-07-22 11:21:17,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:17,833 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 708 transitions. [2022-07-22 11:21:17,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-22 11:21:17,846 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:21:17,846 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:21:17,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 11:21:17,846 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:21:17,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:21:17,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1992663058, now seen corresponding path program 1 times [2022-07-22 11:21:17,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:21:17,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120604284] [2022-07-22 11:21:17,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:21:17,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:21:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:21:17,908 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:21:17,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:21:17,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120604284] [2022-07-22 11:21:17,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120604284] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:21:17,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:21:17,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:21:17,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115809779] [2022-07-22 11:21:17,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:21:17,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:21:17,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:21:17,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:21:17,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:21:17,917 INFO L87 Difference]: Start difference. First operand 528 states and 708 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:18,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:21:18,236 INFO L93 Difference]: Finished difference Result 1578 states and 2119 transitions. [2022-07-22 11:21:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:21:18,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2022-07-22 11:21:18,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:21:18,240 INFO L225 Difference]: With dead ends: 1578 [2022-07-22 11:21:18,240 INFO L226 Difference]: Without dead ends: 1052 [2022-07-22 11:21:18,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:21:18,247 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 136 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 11:21:18,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 192 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 11:21:18,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2022-07-22 11:21:18,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 921. [2022-07-22 11:21:18,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.2565217391304349) internal successors, (1156), 920 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:18,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1156 transitions. [2022-07-22 11:21:18,273 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1156 transitions. Word has length 105 [2022-07-22 11:21:18,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:21:18,274 INFO L495 AbstractCegarLoop]: Abstraction has 921 states and 1156 transitions. [2022-07-22 11:21:18,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:18,276 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1156 transitions. [2022-07-22 11:21:18,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-22 11:21:18,283 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:21:18,283 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:21:18,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 11:21:18,283 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:21:18,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:21:18,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1576233932, now seen corresponding path program 1 times [2022-07-22 11:21:18,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:21:18,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415016457] [2022-07-22 11:21:18,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:21:18,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:21:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:21:18,362 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:21:18,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:21:18,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415016457] [2022-07-22 11:21:18,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415016457] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:21:18,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:21:18,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:21:18,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130776993] [2022-07-22 11:21:18,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:21:18,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:21:18,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:21:18,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:21:18,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:21:18,366 INFO L87 Difference]: Start difference. First operand 921 states and 1156 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:18,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:21:18,693 INFO L93 Difference]: Finished difference Result 2626 states and 3307 transitions. [2022-07-22 11:21:18,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:21:18,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2022-07-22 11:21:18,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:21:18,699 INFO L225 Difference]: With dead ends: 2626 [2022-07-22 11:21:18,699 INFO L226 Difference]: Without dead ends: 1707 [2022-07-22 11:21:18,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:21:18,712 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 117 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 11:21:18,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 198 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 11:21:18,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2022-07-22 11:21:18,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1576. [2022-07-22 11:21:18,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1575 states have (on average 1.2266666666666666) internal successors, (1932), 1575 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:18,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1932 transitions. [2022-07-22 11:21:18,740 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1932 transitions. Word has length 117 [2022-07-22 11:21:18,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:21:18,741 INFO L495 AbstractCegarLoop]: Abstraction has 1576 states and 1932 transitions. [2022-07-22 11:21:18,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:18,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1932 transitions. [2022-07-22 11:21:18,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-22 11:21:18,743 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:21:18,743 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:21:18,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 11:21:18,744 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:21:18,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:21:18,744 INFO L85 PathProgramCache]: Analyzing trace with hash 491046698, now seen corresponding path program 1 times [2022-07-22 11:21:18,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:21:18,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328378352] [2022-07-22 11:21:18,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:21:18,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:21:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:21:18,810 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-22 11:21:18,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:21:18,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328378352] [2022-07-22 11:21:18,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328378352] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:21:18,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:21:18,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:21:18,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578521931] [2022-07-22 11:21:18,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:21:18,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:21:18,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:21:18,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:21:18,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:21:18,813 INFO L87 Difference]: Start difference. First operand 1576 states and 1932 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:19,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:21:19,119 INFO L93 Difference]: Finished difference Result 4198 states and 5152 transitions. [2022-07-22 11:21:19,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:21:19,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 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 121 [2022-07-22 11:21:19,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:21:19,125 INFO L225 Difference]: With dead ends: 4198 [2022-07-22 11:21:19,125 INFO L226 Difference]: Without dead ends: 2362 [2022-07-22 11:21:19,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:21:19,128 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 137 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 11:21:19,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 54 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 11:21:19,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2022-07-22 11:21:19,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2231. [2022-07-22 11:21:19,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2231 states, 2230 states have (on average 1.130493273542601) internal successors, (2521), 2230 states have internal predecessors, (2521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:19,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2521 transitions. [2022-07-22 11:21:19,157 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2521 transitions. Word has length 121 [2022-07-22 11:21:19,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:21:19,158 INFO L495 AbstractCegarLoop]: Abstraction has 2231 states and 2521 transitions. [2022-07-22 11:21:19,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:19,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2521 transitions. [2022-07-22 11:21:19,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-22 11:21:19,163 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:21:19,163 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:21:19,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 11:21:19,164 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:21:19,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:21:19,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1642863660, now seen corresponding path program 1 times [2022-07-22 11:21:19,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:21:19,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682112763] [2022-07-22 11:21:19,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:21:19,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:21:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:21:19,213 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-07-22 11:21:19,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:21:19,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682112763] [2022-07-22 11:21:19,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682112763] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:21:19,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:21:19,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:21:19,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736114520] [2022-07-22 11:21:19,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:21:19,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:21:19,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:21:19,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:21:19,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:21:19,216 INFO L87 Difference]: Start difference. First operand 2231 states and 2521 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:19,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:21:19,495 INFO L93 Difference]: Finished difference Result 5246 states and 5981 transitions. [2022-07-22 11:21:19,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:21:19,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2022-07-22 11:21:19,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:21:19,502 INFO L225 Difference]: With dead ends: 5246 [2022-07-22 11:21:19,502 INFO L226 Difference]: Without dead ends: 3148 [2022-07-22 11:21:19,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:21:19,504 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 132 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 11:21:19,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 23 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 11:21:19,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2022-07-22 11:21:19,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 2755. [2022-07-22 11:21:19,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2755 states, 2754 states have (on average 1.1394335511982572) internal successors, (3138), 2754 states have internal predecessors, (3138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:19,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 3138 transitions. [2022-07-22 11:21:19,537 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 3138 transitions. Word has length 134 [2022-07-22 11:21:19,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:21:19,537 INFO L495 AbstractCegarLoop]: Abstraction has 2755 states and 3138 transitions. [2022-07-22 11:21:19,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:19,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3138 transitions. [2022-07-22 11:21:19,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-07-22 11:21:19,540 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:21:19,540 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:21:19,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 11:21:19,540 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:21:19,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:21:19,541 INFO L85 PathProgramCache]: Analyzing trace with hash -848374645, now seen corresponding path program 1 times [2022-07-22 11:21:19,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:21:19,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657067960] [2022-07-22 11:21:19,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:21:19,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:21:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:21:19,569 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-07-22 11:21:19,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:21:19,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657067960] [2022-07-22 11:21:19,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657067960] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:21:19,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:21:19,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:21:19,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433483159] [2022-07-22 11:21:19,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:21:19,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:21:19,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:21:19,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:21:19,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:21:19,571 INFO L87 Difference]: Start difference. First operand 2755 states and 3138 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:19,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:21:19,839 INFO L93 Difference]: Finished difference Result 5770 states and 6572 transitions. [2022-07-22 11:21:19,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:21:19,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 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 136 [2022-07-22 11:21:19,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:21:19,846 INFO L225 Difference]: With dead ends: 5770 [2022-07-22 11:21:19,846 INFO L226 Difference]: Without dead ends: 3017 [2022-07-22 11:21:19,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:21:19,848 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 118 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 11:21:19,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 44 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 11:21:19,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2022-07-22 11:21:19,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 3017. [2022-07-22 11:21:19,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3017 states, 3016 states have (on average 1.131631299734748) internal successors, (3413), 3016 states have internal predecessors, (3413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:19,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3413 transitions. [2022-07-22 11:21:19,886 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3413 transitions. Word has length 136 [2022-07-22 11:21:19,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:21:19,887 INFO L495 AbstractCegarLoop]: Abstraction has 3017 states and 3413 transitions. [2022-07-22 11:21:19,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:19,887 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3413 transitions. [2022-07-22 11:21:19,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-07-22 11:21:19,890 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:21:19,890 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:21:19,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 11:21:19,890 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:21:19,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:21:19,891 INFO L85 PathProgramCache]: Analyzing trace with hash -732302653, now seen corresponding path program 1 times [2022-07-22 11:21:19,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:21:19,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67805191] [2022-07-22 11:21:19,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:21:19,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:21:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:21:19,930 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 69 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-22 11:21:19,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:21:19,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67805191] [2022-07-22 11:21:19,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67805191] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:21:19,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003581660] [2022-07-22 11:21:19,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:21:19,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:21:19,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:21:19,933 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 11:21:19,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 11:21:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:21:20,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 11:21:20,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:21:20,152 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-22 11:21:20,153 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:21:20,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003581660] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:21:20,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:21:20,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-07-22 11:21:20,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881011801] [2022-07-22 11:21:20,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:21:20,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:21:20,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:21:20,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:21:20,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:21:20,155 INFO L87 Difference]: Start difference. First operand 3017 states and 3413 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:20,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:21:20,424 INFO L93 Difference]: Finished difference Result 5901 states and 6690 transitions. [2022-07-22 11:21:20,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:21:20,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 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 140 [2022-07-22 11:21:20,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:21:20,432 INFO L225 Difference]: With dead ends: 5901 [2022-07-22 11:21:20,432 INFO L226 Difference]: Without dead ends: 3017 [2022-07-22 11:21:20,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:21:20,434 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 50 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 11:21:20,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 18 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 11:21:20,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2022-07-22 11:21:20,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 3017. [2022-07-22 11:21:20,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3017 states, 3016 states have (on average 1.1230106100795756) internal successors, (3387), 3016 states have internal predecessors, (3387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:20,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3387 transitions. [2022-07-22 11:21:20,464 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3387 transitions. Word has length 140 [2022-07-22 11:21:20,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:21:20,464 INFO L495 AbstractCegarLoop]: Abstraction has 3017 states and 3387 transitions. [2022-07-22 11:21:20,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:20,464 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3387 transitions. [2022-07-22 11:21:20,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-07-22 11:21:20,467 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:21:20,467 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:21:20,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 11:21:20,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:21:20,681 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:21:20,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:21:20,681 INFO L85 PathProgramCache]: Analyzing trace with hash -545671403, now seen corresponding path program 1 times [2022-07-22 11:21:20,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:21:20,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129111244] [2022-07-22 11:21:20,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:21:20,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:21:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:21:20,723 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 69 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-07-22 11:21:20,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:21:20,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129111244] [2022-07-22 11:21:20,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129111244] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:21:20,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957956839] [2022-07-22 11:21:20,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:21:20,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:21:20,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:21:20,725 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 11:21:20,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 11:21:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:21:20,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 11:21:20,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:21:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-22 11:21:20,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:21:20,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957956839] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:21:20,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:21:20,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-07-22 11:21:20,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485671127] [2022-07-22 11:21:20,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:21:20,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:21:20,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:21:20,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:21:20,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:21:20,905 INFO L87 Difference]: Start difference. First operand 3017 states and 3387 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:21,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:21:21,175 INFO L93 Difference]: Finished difference Result 6032 states and 6786 transitions. [2022-07-22 11:21:21,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:21:21,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 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 145 [2022-07-22 11:21:21,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:21:21,198 INFO L225 Difference]: With dead ends: 6032 [2022-07-22 11:21:21,198 INFO L226 Difference]: Without dead ends: 3148 [2022-07-22 11:21:21,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:21:21,201 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 44 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 11:21:21,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 167 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 11:21:21,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2022-07-22 11:21:21,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 2624. [2022-07-22 11:21:21,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2624 states, 2623 states have (on average 1.0987418985894015) internal successors, (2882), 2623 states have internal predecessors, (2882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:21,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2624 states and 2882 transitions. [2022-07-22 11:21:21,236 INFO L78 Accepts]: Start accepts. Automaton has 2624 states and 2882 transitions. Word has length 145 [2022-07-22 11:21:21,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:21:21,237 INFO L495 AbstractCegarLoop]: Abstraction has 2624 states and 2882 transitions. [2022-07-22 11:21:21,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:21,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 2882 transitions. [2022-07-22 11:21:21,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-07-22 11:21:21,240 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:21:21,240 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:21:21,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 11:21:21,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-07-22 11:21:21,457 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:21:21,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:21:21,457 INFO L85 PathProgramCache]: Analyzing trace with hash 2007939310, now seen corresponding path program 1 times [2022-07-22 11:21:21,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:21:21,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870608487] [2022-07-22 11:21:21,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:21:21,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:21:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:21:21,518 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 98 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-22 11:21:21,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:21:21,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870608487] [2022-07-22 11:21:21,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870608487] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:21:21,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102914857] [2022-07-22 11:21:21,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:21:21,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:21:21,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:21:21,520 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 11:21:21,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 11:21:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:21:21,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 11:21:21,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:21:21,714 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-22 11:21:21,714 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:21:21,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102914857] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:21:21,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:21:21,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-07-22 11:21:21,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382152696] [2022-07-22 11:21:21,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:21:21,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:21:21,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:21:21,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:21:21,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:21:21,718 INFO L87 Difference]: Start difference. First operand 2624 states and 2882 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:21,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:21:21,984 INFO L93 Difference]: Finished difference Result 5901 states and 6522 transitions. [2022-07-22 11:21:21,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:21:21,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 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 162 [2022-07-22 11:21:21,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:21:21,991 INFO L225 Difference]: With dead ends: 5901 [2022-07-22 11:21:21,991 INFO L226 Difference]: Without dead ends: 3410 [2022-07-22 11:21:21,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:21:21,994 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 60 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 11:21:21,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 30 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 11:21:21,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2022-07-22 11:21:22,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 3017. [2022-07-22 11:21:22,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3017 states, 3016 states have (on average 1.0941644562334218) internal successors, (3300), 3016 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:22,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3300 transitions. [2022-07-22 11:21:22,044 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3300 transitions. Word has length 162 [2022-07-22 11:21:22,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:21:22,044 INFO L495 AbstractCegarLoop]: Abstraction has 3017 states and 3300 transitions. [2022-07-22 11:21:22,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:22,044 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3300 transitions. [2022-07-22 11:21:22,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-07-22 11:21:22,049 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:21:22,049 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:21:22,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-22 11:21:22,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:21:22,266 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:21:22,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:21:22,267 INFO L85 PathProgramCache]: Analyzing trace with hash -773097767, now seen corresponding path program 1 times [2022-07-22 11:21:22,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:21:22,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090905959] [2022-07-22 11:21:22,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:21:22,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:21:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:21:22,310 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 69 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-07-22 11:21:22,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:21:22,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090905959] [2022-07-22 11:21:22,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090905959] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:21:22,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450516882] [2022-07-22 11:21:22,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:21:22,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:21:22,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:21:22,320 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 11:21:22,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-22 11:21:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:21:22,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 11:21:22,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:21:22,502 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-07-22 11:21:22,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:21:22,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450516882] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:21:22,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:21:22,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-07-22 11:21:22,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374492414] [2022-07-22 11:21:22,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:21:22,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:21:22,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:21:22,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:21:22,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:21:22,504 INFO L87 Difference]: Start difference. First operand 3017 states and 3300 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:22,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:21:22,746 INFO L93 Difference]: Finished difference Result 3412 states and 3737 transitions. [2022-07-22 11:21:22,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:21:22,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 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 169 [2022-07-22 11:21:22,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:21:22,754 INFO L225 Difference]: With dead ends: 3412 [2022-07-22 11:21:22,754 INFO L226 Difference]: Without dead ends: 3410 [2022-07-22 11:21:22,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:21:22,755 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 45 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 11:21:22,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 178 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 11:21:22,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2022-07-22 11:21:22,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 3148. [2022-07-22 11:21:22,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3148 states, 3147 states have (on average 1.0953288846520495) internal successors, (3447), 3147 states have internal predecessors, (3447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:22,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 3447 transitions. [2022-07-22 11:21:22,835 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 3447 transitions. Word has length 169 [2022-07-22 11:21:22,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:21:22,836 INFO L495 AbstractCegarLoop]: Abstraction has 3148 states and 3447 transitions. [2022-07-22 11:21:22,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:22,836 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 3447 transitions. [2022-07-22 11:21:22,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-07-22 11:21:22,840 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:21:22,841 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-22 11:21:22,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-22 11:21:23,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:21:23,057 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:21:23,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:21:23,058 INFO L85 PathProgramCache]: Analyzing trace with hash 851501066, now seen corresponding path program 1 times [2022-07-22 11:21:23,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:21:23,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068428851] [2022-07-22 11:21:23,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:21:23,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:21:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:21:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-07-22 11:21:23,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:21:23,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068428851] [2022-07-22 11:21:23,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068428851] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:21:23,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:21:23,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:21:23,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878837235] [2022-07-22 11:21:23,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:21:23,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 11:21:23,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:21:23,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 11:21:23,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 11:21:23,147 INFO L87 Difference]: Start difference. First operand 3148 states and 3447 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:23,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:21:23,498 INFO L93 Difference]: Finished difference Result 6294 states and 6905 transitions. [2022-07-22 11:21:23,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 11:21:23,499 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 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 170 [2022-07-22 11:21:23,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:21:23,512 INFO L225 Difference]: With dead ends: 6294 [2022-07-22 11:21:23,512 INFO L226 Difference]: Without dead ends: 3279 [2022-07-22 11:21:23,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 11:21:23,515 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 384 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 11:21:23,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 41 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 11:21:23,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2022-07-22 11:21:23,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 3148. [2022-07-22 11:21:23,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3148 states, 3147 states have (on average 1.088655862726406) internal successors, (3426), 3147 states have internal predecessors, (3426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:23,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 3426 transitions. [2022-07-22 11:21:23,546 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 3426 transitions. Word has length 170 [2022-07-22 11:21:23,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:21:23,547 INFO L495 AbstractCegarLoop]: Abstraction has 3148 states and 3426 transitions. [2022-07-22 11:21:23,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:23,547 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 3426 transitions. [2022-07-22 11:21:23,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-07-22 11:21:23,551 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:21:23,551 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:21:23,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-22 11:21:23,551 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:21:23,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:21:23,552 INFO L85 PathProgramCache]: Analyzing trace with hash 596669353, now seen corresponding path program 1 times [2022-07-22 11:21:23,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:21:23,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612879530] [2022-07-22 11:21:23,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:21:23,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:21:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:21:23,602 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 119 proven. 29 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-22 11:21:23,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:21:23,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612879530] [2022-07-22 11:21:23,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612879530] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:21:23,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284445203] [2022-07-22 11:21:23,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:21:23,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:21:23,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:21:23,604 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 11:21:23,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-22 11:21:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:21:23,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 11:21:23,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:21:23,734 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-22 11:21:23,734 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:21:23,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284445203] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:21:23,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:21:23,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-07-22 11:21:23,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469574495] [2022-07-22 11:21:23,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:21:23,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:21:23,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:21:23,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:21:23,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:21:23,736 INFO L87 Difference]: Start difference. First operand 3148 states and 3426 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:23,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:21:23,968 INFO L93 Difference]: Finished difference Result 6163 states and 6716 transitions. [2022-07-22 11:21:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:21:23,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 188 [2022-07-22 11:21:23,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:21:23,974 INFO L225 Difference]: With dead ends: 6163 [2022-07-22 11:21:23,974 INFO L226 Difference]: Without dead ends: 3148 [2022-07-22 11:21:23,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:21:23,976 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 127 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 11:21:23,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 29 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 11:21:23,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2022-07-22 11:21:23,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 2755. [2022-07-22 11:21:23,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2755 states, 2754 states have (on average 1.0758896151053015) internal successors, (2963), 2754 states have internal predecessors, (2963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:23,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 2963 transitions. [2022-07-22 11:21:23,999 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 2963 transitions. Word has length 188 [2022-07-22 11:21:24,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:21:24,000 INFO L495 AbstractCegarLoop]: Abstraction has 2755 states and 2963 transitions. [2022-07-22 11:21:24,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:24,000 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 2963 transitions. [2022-07-22 11:21:24,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-07-22 11:21:24,004 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:21:24,004 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:21:24,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-22 11:21:24,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-07-22 11:21:24,221 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:21:24,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:21:24,221 INFO L85 PathProgramCache]: Analyzing trace with hash -158999246, now seen corresponding path program 1 times [2022-07-22 11:21:24,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:21:24,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779737078] [2022-07-22 11:21:24,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:21:24,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:21:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:21:24,298 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 157 proven. 10 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-07-22 11:21:24,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:21:24,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779737078] [2022-07-22 11:21:24,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779737078] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:21:24,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007631299] [2022-07-22 11:21:24,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:21:24,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:21:24,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:21:24,328 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 11:21:24,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-22 11:21:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:21:24,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 11:21:24,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:21:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-07-22 11:21:24,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:21:24,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007631299] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:21:24,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:21:24,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-07-22 11:21:24,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116999391] [2022-07-22 11:21:24,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:21:24,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:21:24,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:21:24,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:21:24,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:21:24,539 INFO L87 Difference]: Start difference. First operand 2755 states and 2963 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:24,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:21:24,795 INFO L93 Difference]: Finished difference Result 5375 states and 5777 transitions. [2022-07-22 11:21:24,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:21:24,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2022-07-22 11:21:24,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:21:24,795 INFO L225 Difference]: With dead ends: 5375 [2022-07-22 11:21:24,796 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 11:21:24,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:21:24,798 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 106 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 11:21:24,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 176 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 11:21:24,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 11:21:24,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 11:21:24,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:24,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 11:21:24,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 239 [2022-07-22 11:21:24,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:21:24,799 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 11:21:24,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:21:24,799 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 11:21:24,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 11:21:24,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 11:21:24,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-22 11:21:25,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:21:25,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 11:21:25,795 INFO L899 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2022-07-22 11:21:25,795 INFO L899 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2022-07-22 11:21:25,795 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2022-07-22 11:21:25,795 INFO L899 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2022-07-22 11:21:25,795 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2022-07-22 11:21:25,795 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2022-07-22 11:21:25,795 INFO L899 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2022-07-22 11:21:25,795 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,796 INFO L899 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,797 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,798 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2022-07-22 11:21:25,799 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2022-07-22 11:21:25,799 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2022-07-22 11:21:25,799 INFO L899 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2022-07-22 11:21:25,799 INFO L899 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2022-07-22 11:21:25,799 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-07-22 11:21:25,799 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2022-07-22 11:21:25,799 INFO L899 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2022-07-22 11:21:25,799 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2022-07-22 11:21:25,799 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2022-07-22 11:21:25,799 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,799 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,799 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,799 INFO L899 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,799 INFO L899 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,799 INFO L899 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,799 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2022-07-22 11:21:25,799 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2022-07-22 11:21:25,799 INFO L899 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2022-07-22 11:21:25,799 INFO L899 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2022-07-22 11:21:25,799 INFO L899 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2022-07-22 11:21:25,800 INFO L899 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2022-07-22 11:21:25,801 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2022-07-22 11:21:25,801 INFO L899 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2022-07-22 11:21:25,801 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-07-22 11:21:25,801 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2022-07-22 11:21:25,801 INFO L895 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse6 (<= 14 ~a8~0)) (.cse7 (= ~a21~0 1)) (.cse2 (= ~a7~0 0)) (.cse8 (<= 15 ~a8~0)) (.cse4 (<= ~a16~0 4)) (.cse1 (<= ~a17~0 0)) (.cse0 (<= ~a8~0 13)) (.cse9 (<= ~a21~0 0)) (.cse3 (= ~a17~0 1)) (.cse5 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2 (<= ~a16~0 5)) (and .cse0 .cse3 .cse4 .cse5) (and (<= 5 ~a16~0) .cse1 .cse6) (and .cse7 .cse3 .cse8) (and .cse7 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse2) (and .cse0 .cse7 .cse2 .cse3) (and .cse1 .cse8) (and .cse0 .cse9 .cse4) (and (not .cse5) .cse1 .cse4) (and .cse0 .cse9 .cse1 .cse5) (and .cse0 .cse9 .cse3 .cse5))) [2022-07-22 11:21:25,801 INFO L899 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,801 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,801 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,801 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,801 INFO L899 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,801 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2022-07-22 11:21:25,801 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2022-07-22 11:21:25,801 INFO L899 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2022-07-22 11:21:25,801 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2022-07-22 11:21:25,801 INFO L899 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2022-07-22 11:21:25,801 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-07-22 11:21:25,802 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2022-07-22 11:21:25,802 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2022-07-22 11:21:25,802 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2022-07-22 11:21:25,802 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2022-07-22 11:21:25,802 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2022-07-22 11:21:25,802 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2022-07-22 11:21:25,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 11:21:25,802 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2022-07-22 11:21:25,802 INFO L902 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2022-07-22 11:21:25,802 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,802 INFO L899 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,802 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,802 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,802 INFO L899 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,802 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2022-07-22 11:21:25,802 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2022-07-22 11:21:25,802 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2022-07-22 11:21:25,802 INFO L899 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2022-07-22 11:21:25,802 INFO L899 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2022-07-22 11:21:25,803 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2022-07-22 11:21:25,804 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2022-07-22 11:21:25,804 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2022-07-22 11:21:25,804 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,804 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse6 (<= 14 ~a8~0)) (.cse7 (= ~a21~0 1)) (.cse2 (= ~a7~0 0)) (.cse8 (<= 15 ~a8~0)) (.cse4 (<= ~a16~0 4)) (.cse1 (<= ~a17~0 0)) (.cse0 (<= ~a8~0 13)) (.cse9 (<= ~a21~0 0)) (.cse3 (= ~a17~0 1)) (.cse5 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2 (<= ~a16~0 5)) (and .cse0 .cse3 .cse4 .cse5) (and (<= 5 ~a16~0) .cse1 .cse6) (and .cse7 .cse3 .cse8) (and .cse7 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse2) (and .cse0 .cse7 .cse2 .cse3) (and .cse1 .cse8) (and .cse0 .cse9 .cse4) (and (not .cse5) .cse1 .cse4) (and .cse0 .cse9 .cse1 .cse5) (and .cse0 .cse9 .cse3 .cse5))) [2022-07-22 11:21:25,804 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,804 INFO L899 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,804 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,804 INFO L899 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,804 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2022-07-22 11:21:25,804 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 11:21:25,804 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 468) no Hoare annotation was computed. [2022-07-22 11:21:25,804 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2022-07-22 11:21:25,804 INFO L899 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2022-07-22 11:21:25,804 INFO L899 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2022-07-22 11:21:25,804 INFO L899 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2022-07-22 11:21:25,804 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-07-22 11:21:25,804 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2022-07-22 11:21:25,804 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2022-07-22 11:21:25,805 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,805 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,805 INFO L899 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,805 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,805 INFO L899 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2022-07-22 11:21:25,805 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2022-07-22 11:21:25,805 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2022-07-22 11:21:25,805 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2022-07-22 11:21:25,805 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2022-07-22 11:21:25,808 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:21:25,809 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 11:21:25,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 11:21:25 BoogieIcfgContainer [2022-07-22 11:21:25,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 11:21:25,827 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 11:21:25,827 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 11:21:25,827 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 11:21:25,827 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:21:16" (3/4) ... [2022-07-22 11:21:25,829 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 11:21:25,840 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 11:21:25,840 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 11:21:25,841 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 11:21:25,841 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 11:21:25,894 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 11:21:25,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 11:21:25,895 INFO L158 Benchmark]: Toolchain (without parser) took 10727.82ms. Allocated memory was 102.8MB in the beginning and 249.6MB in the end (delta: 146.8MB). Free memory was 68.7MB in the beginning and 178.1MB in the end (delta: -109.4MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2022-07-22 11:21:25,895 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory was 57.1MB in the beginning and 57.0MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 11:21:25,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.30ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 68.5MB in the beginning and 82.0MB in the end (delta: -13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-22 11:21:25,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.07ms. Allocated memory is still 123.7MB. Free memory was 82.0MB in the beginning and 76.4MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 11:21:25,895 INFO L158 Benchmark]: Boogie Preprocessor took 39.27ms. Allocated memory is still 123.7MB. Free memory was 76.4MB in the beginning and 72.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 11:21:25,896 INFO L158 Benchmark]: RCFGBuilder took 832.85ms. Allocated memory is still 123.7MB. Free memory was 72.2MB in the beginning and 46.6MB in the end (delta: 25.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-07-22 11:21:25,896 INFO L158 Benchmark]: TraceAbstraction took 9333.56ms. Allocated memory was 123.7MB in the beginning and 249.6MB in the end (delta: 125.8MB). Free memory was 45.8MB in the beginning and 188.6MB in the end (delta: -142.8MB). Peak memory consumption was 101.6MB. Max. memory is 16.1GB. [2022-07-22 11:21:25,896 INFO L158 Benchmark]: Witness Printer took 67.26ms. Allocated memory is still 249.6MB. Free memory was 188.6MB in the beginning and 178.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 11:21:25,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory was 57.1MB in the beginning and 57.0MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.30ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 68.5MB in the beginning and 82.0MB in the end (delta: -13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.07ms. Allocated memory is still 123.7MB. Free memory was 82.0MB in the beginning and 76.4MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.27ms. Allocated memory is still 123.7MB. Free memory was 76.4MB in the beginning and 72.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 832.85ms. Allocated memory is still 123.7MB. Free memory was 72.2MB in the beginning and 46.6MB in the end (delta: 25.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * TraceAbstraction took 9333.56ms. Allocated memory was 123.7MB in the beginning and 249.6MB in the end (delta: 125.8MB). Free memory was 45.8MB in the beginning and 188.6MB in the end (delta: -142.8MB). Peak memory consumption was 101.6MB. Max. memory is 16.1GB. * Witness Printer took 67.26ms. Allocated memory is still 249.6MB. Free memory was 188.6MB in the beginning and 178.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. 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: 468]: 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, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.2s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1687 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1687 mSDsluCounter, 1260 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 77 mSDsCounter, 617 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4646 IncrementalHoareTripleChecker+Invalid, 5263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 617 mSolverCounterUnsat, 1183 mSDtfsCounter, 4646 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1079 GetRequests, 1052 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3148occurred in iteration=11, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 2489 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 53 NumberOfFragments, 281 HoareAnnotationTreeSize, 3 FomulaSimplifications, 220 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1480 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 3063 NumberOfCodeBlocks, 3063 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 3043 ConstructedInterpolants, 0 QuantifiedInterpolants, 5794 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2260 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 20 InterpolantComputations, 14 PerfectInterpolantSequences, 2239/2302 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: 593]: Loop Invariant Derived loop invariant: (((((((((((((a8 <= 13 && a17 <= 0) && a7 == 0) && a16 <= 5) || (((a8 <= 13 && a17 == 1) && a16 <= 4) && a20 == 1)) || ((5 <= a16 && a17 <= 0) && 14 <= a8)) || ((a21 == 1 && a17 == 1) && 15 <= a8)) || ((((a21 == 1 && a7 == 0) && a17 == 1) && a16 <= 4) && a20 == 1)) || ((a17 <= 0 && 14 <= a8) && a7 == 0)) || (((a8 <= 13 && a21 == 1) && a7 == 0) && a17 == 1)) || (a17 <= 0 && 15 <= a8)) || ((a8 <= 13 && a21 <= 0) && a16 <= 4)) || ((!(a20 == 1) && a17 <= 0) && a16 <= 4)) || (((a8 <= 13 && a21 <= 0) && a17 <= 0) && a20 == 1)) || (((a8 <= 13 && a21 <= 0) && a17 == 1) && a20 == 1) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((((((((a8 <= 13 && a17 <= 0) && a7 == 0) && a16 <= 5) || (((a8 <= 13 && a17 == 1) && a16 <= 4) && a20 == 1)) || ((5 <= a16 && a17 <= 0) && 14 <= a8)) || ((a21 == 1 && a17 == 1) && 15 <= a8)) || ((((a21 == 1 && a7 == 0) && a17 == 1) && a16 <= 4) && a20 == 1)) || ((a17 <= 0 && 14 <= a8) && a7 == 0)) || (((a8 <= 13 && a21 == 1) && a7 == 0) && a17 == 1)) || (a17 <= 0 && 15 <= a8)) || ((a8 <= 13 && a21 <= 0) && a16 <= 4)) || ((!(a20 == 1) && a17 <= 0) && a16 <= 4)) || (((a8 <= 13 && a21 <= 0) && a17 <= 0) && a20 == 1)) || (((a8 <= 13 && a21 <= 0) && a17 == 1) && a20 == 1) RESULT: Ultimate proved your program to be correct! [2022-07-22 11:21:25,928 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