./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label29.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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/Problem03_label29.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 98618c76bfa0eca070eb71a2130d02b24ef80e44 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 03:50:41,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 03:50:41,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 03:50:41,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 03:50:41,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 03:50:41,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 03:50:41,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 03:50:41,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 03:50:41,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 03:50:41,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 03:50:41,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 03:50:41,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 03:50:41,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 03:50:41,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 03:50:41,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 03:50:41,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 03:50:41,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 03:50:41,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 03:50:41,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 03:50:41,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 03:50:41,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 03:50:41,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 03:50:41,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 03:50:41,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 03:50:41,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 03:50:41,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 03:50:41,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 03:50:41,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 03:50:41,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 03:50:41,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 03:50:41,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 03:50:41,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 03:50:41,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 03:50:41,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 03:50:41,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 03:50:41,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 03:50:41,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 03:50:41,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 03:50:41,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 03:50:41,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 03:50:41,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 03:50:41,104 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 03:50:41,127 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 03:50:41,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 03:50:41,127 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 03:50:41,128 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 03:50:41,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 03:50:41,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 03:50:41,129 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 03:50:41,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 03:50:41,129 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 03:50:41,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 03:50:41,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 03:50:41,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 03:50:41,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 03:50:41,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 03:50:41,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 03:50:41,130 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 03:50:41,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 03:50:41,130 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 03:50:41,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 03:50:41,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 03:50:41,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 03:50:41,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 03:50:41,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 03:50:41,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 03:50:41,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 03:50:41,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 03:50:41,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 03:50:41,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 03:50:41,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 03:50:41,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 03:50:41,131 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98618c76bfa0eca070eb71a2130d02b24ef80e44 [2021-08-29 03:50:41,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 03:50:41,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 03:50:41,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 03:50:41,375 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 03:50:41,375 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 03:50:41,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label29.c [2021-08-29 03:50:41,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e602581d/fe81fa71d887407aa574de0391f674fc/FLAG120d100b5 [2021-08-29 03:50:41,966 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 03:50:41,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label29.c [2021-08-29 03:50:41,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e602581d/fe81fa71d887407aa574de0391f674fc/FLAG120d100b5 [2021-08-29 03:50:42,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e602581d/fe81fa71d887407aa574de0391f674fc [2021-08-29 03:50:42,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 03:50:42,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 03:50:42,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 03:50:42,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 03:50:42,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 03:50:42,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:50:42" (1/1) ... [2021-08-29 03:50:42,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5446ca5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:50:42, skipping insertion in model container [2021-08-29 03:50:42,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:50:42" (1/1) ... [2021-08-29 03:50:42,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 03:50:42,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 03:50:42,868 WARN L228 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/Problem03_label29.c[58258,58271] [2021-08-29 03:50:42,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 03:50:42,937 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 03:50:43,157 WARN L228 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/Problem03_label29.c[58258,58271] [2021-08-29 03:50:43,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 03:50:43,202 INFO L208 MainTranslator]: Completed translation [2021-08-29 03:50:43,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:50:43 WrapperNode [2021-08-29 03:50:43,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 03:50:43,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 03:50:43,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 03:50:43,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 03:50:43,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:50:43" (1/1) ... [2021-08-29 03:50:43,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:50:43" (1/1) ... [2021-08-29 03:50:43,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 03:50:43,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 03:50:43,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 03:50:43,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 03:50:43,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:50:43" (1/1) ... [2021-08-29 03:50:43,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:50:43" (1/1) ... [2021-08-29 03:50:43,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:50:43" (1/1) ... [2021-08-29 03:50:43,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:50:43" (1/1) ... [2021-08-29 03:50:43,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:50:43" (1/1) ... [2021-08-29 03:50:43,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:50:43" (1/1) ... [2021-08-29 03:50:43,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:50:43" (1/1) ... [2021-08-29 03:50:43,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 03:50:43,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 03:50:43,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 03:50:43,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 03:50:43,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:50:43" (1/1) ... [2021-08-29 03:50:43,435 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 03:50:43,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:50:43,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 03:50:43,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 03:50:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 03:50:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 03:50:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 03:50:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 03:50:44,104 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 03:50:44,104 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-29 03:50:44,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:50:44 BoogieIcfgContainer [2021-08-29 03:50:44,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 03:50:44,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 03:50:44,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 03:50:44,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 03:50:44,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:50:42" (1/3) ... [2021-08-29 03:50:44,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca9a560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:50:44, skipping insertion in model container [2021-08-29 03:50:44,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:50:43" (2/3) ... [2021-08-29 03:50:44,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca9a560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:50:44, skipping insertion in model container [2021-08-29 03:50:44,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:50:44" (3/3) ... [2021-08-29 03:50:44,115 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label29.c [2021-08-29 03:50:44,121 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 03:50:44,122 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 03:50:44,168 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 03:50:44,176 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 03:50:44,176 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 03:50:44,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:44,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-08-29 03:50:44,233 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:50:44,234 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:50:44,235 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:50:44,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:50:44,240 INFO L82 PathProgramCache]: Analyzing trace with hash 800753066, now seen corresponding path program 1 times [2021-08-29 03:50:44,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:50:44,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898847308] [2021-08-29 03:50:44,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:50:44,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:50:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:50:44,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:50:44,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:50:44,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898847308] [2021-08-29 03:50:44,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898847308] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:50:44,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:50:44,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 03:50:44,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224632092] [2021-08-29 03:50:44,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:50:44,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:50:44,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:50:44,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:50:44,802 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 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 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:45,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:50:45,800 INFO L93 Difference]: Finished difference Result 816 states and 1453 transitions. [2021-08-29 03:50:45,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:50:45,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 0 states have call successors, (0), 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 178 [2021-08-29 03:50:45,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:50:45,819 INFO L225 Difference]: With dead ends: 816 [2021-08-29 03:50:45,820 INFO L226 Difference]: Without dead ends: 450 [2021-08-29 03:50:45,823 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.88ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:50:45,825 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 132 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 709.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.25ms SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 899.73ms IncrementalHoareTripleChecker+Time [2021-08-29 03:50:45,826 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 0 Invalid, 961 Unknown, 0 Unchecked, 12.25ms Time], IncrementalHoareTripleChecker [168 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 899.73ms Time] [2021-08-29 03:50:45,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2021-08-29 03:50:45,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 448. [2021-08-29 03:50:45,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 447 states have (on average 1.621923937360179) internal successors, (725), 447 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:45,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 725 transitions. [2021-08-29 03:50:45,869 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 725 transitions. Word has length 178 [2021-08-29 03:50:45,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:50:45,869 INFO L470 AbstractCegarLoop]: Abstraction has 448 states and 725 transitions. [2021-08-29 03:50:45,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:45,870 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 725 transitions. [2021-08-29 03:50:45,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-08-29 03:50:45,872 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:50:45,872 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:50:45,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 03:50:45,873 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:50:45,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:50:45,873 INFO L82 PathProgramCache]: Analyzing trace with hash -2040513926, now seen corresponding path program 1 times [2021-08-29 03:50:45,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:50:45,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615330172] [2021-08-29 03:50:45,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:50:45,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:50:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:50:45,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:50:45,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:50:45,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615330172] [2021-08-29 03:50:45,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615330172] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:50:45,942 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:50:45,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 03:50:45,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645964061] [2021-08-29 03:50:45,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:50:45,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:50:45,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:50:45,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:50:45,944 INFO L87 Difference]: Start difference. First operand 448 states and 725 transitions. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:46,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:50:46,668 INFO L93 Difference]: Finished difference Result 1318 states and 2139 transitions. [2021-08-29 03:50:46,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:50:46,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 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 183 [2021-08-29 03:50:46,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:50:46,674 INFO L225 Difference]: With dead ends: 1318 [2021-08-29 03:50:46,674 INFO L226 Difference]: Without dead ends: 872 [2021-08-29 03:50:46,681 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.45ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:50:46,683 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 251 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 550.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.61ms SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 685.14ms IncrementalHoareTripleChecker+Time [2021-08-29 03:50:46,684 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [251 Valid, 0 Invalid, 863 Unknown, 0 Unchecked, 11.61ms Time], IncrementalHoareTripleChecker [103 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 685.14ms Time] [2021-08-29 03:50:46,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2021-08-29 03:50:46,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 868. [2021-08-29 03:50:46,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 867 states have (on average 1.5271049596309112) internal successors, (1324), 867 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:46,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1324 transitions. [2021-08-29 03:50:46,727 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1324 transitions. Word has length 183 [2021-08-29 03:50:46,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:50:46,728 INFO L470 AbstractCegarLoop]: Abstraction has 868 states and 1324 transitions. [2021-08-29 03:50:46,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:46,728 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1324 transitions. [2021-08-29 03:50:46,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-08-29 03:50:46,732 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:50:46,732 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:50:46,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 03:50:46,733 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:50:46,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:50:46,733 INFO L82 PathProgramCache]: Analyzing trace with hash -726821495, now seen corresponding path program 1 times [2021-08-29 03:50:46,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:50:46,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154876385] [2021-08-29 03:50:46,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:50:46,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:50:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:50:46,815 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:50:46,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:50:46,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154876385] [2021-08-29 03:50:46,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154876385] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:50:46,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:50:46,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 03:50:46,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411069879] [2021-08-29 03:50:46,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:50:46,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:50:46,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:50:46,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:50:46,817 INFO L87 Difference]: Start difference. First operand 868 states and 1324 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:47,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:50:47,475 INFO L93 Difference]: Finished difference Result 2566 states and 3931 transitions. [2021-08-29 03:50:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:50:47,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 0 states have call successors, (0), 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 186 [2021-08-29 03:50:47,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:50:47,481 INFO L225 Difference]: With dead ends: 2566 [2021-08-29 03:50:47,481 INFO L226 Difference]: Without dead ends: 1700 [2021-08-29 03:50:47,482 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.36ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:50:47,483 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 247 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 499.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.80ms SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 621.08ms IncrementalHoareTripleChecker+Time [2021-08-29 03:50:47,483 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 0 Invalid, 871 Unknown, 0 Unchecked, 2.80ms Time], IncrementalHoareTripleChecker [195 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 621.08ms Time] [2021-08-29 03:50:47,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2021-08-29 03:50:47,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1684. [2021-08-29 03:50:47,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1683 states have (on average 1.4967320261437909) internal successors, (2519), 1683 states have internal predecessors, (2519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:47,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2519 transitions. [2021-08-29 03:50:47,509 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2519 transitions. Word has length 186 [2021-08-29 03:50:47,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:50:47,509 INFO L470 AbstractCegarLoop]: Abstraction has 1684 states and 2519 transitions. [2021-08-29 03:50:47,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:47,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2519 transitions. [2021-08-29 03:50:47,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-08-29 03:50:47,513 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:50:47,513 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:50:47,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 03:50:47,514 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:50:47,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:50:47,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1294418448, now seen corresponding path program 1 times [2021-08-29 03:50:47,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:50:47,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616216117] [2021-08-29 03:50:47,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:50:47,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:50:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:50:47,571 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-29 03:50:47,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:50:47,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616216117] [2021-08-29 03:50:47,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616216117] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:50:47,572 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:50:47,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:50:47,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907121422] [2021-08-29 03:50:47,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:50:47,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:50:47,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:50:47,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:50:47,574 INFO L87 Difference]: Start difference. First operand 1684 states and 2519 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:48,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:50:48,261 INFO L93 Difference]: Finished difference Result 3368 states and 5040 transitions. [2021-08-29 03:50:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:50:48,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 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 198 [2021-08-29 03:50:48,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:50:48,273 INFO L225 Difference]: With dead ends: 3368 [2021-08-29 03:50:48,273 INFO L226 Difference]: Without dead ends: 1686 [2021-08-29 03:50:48,275 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.17ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:50:48,276 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 236 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 518.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.44ms SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 645.18ms IncrementalHoareTripleChecker+Time [2021-08-29 03:50:48,276 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 0 Invalid, 1101 Unknown, 0 Unchecked, 2.44ms Time], IncrementalHoareTripleChecker [158 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 645.18ms Time] [2021-08-29 03:50:48,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2021-08-29 03:50:48,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1684. [2021-08-29 03:50:48,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1683 states have (on average 1.316696375519905) internal successors, (2216), 1683 states have internal predecessors, (2216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:48,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2216 transitions. [2021-08-29 03:50:48,303 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2216 transitions. Word has length 198 [2021-08-29 03:50:48,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:50:48,304 INFO L470 AbstractCegarLoop]: Abstraction has 1684 states and 2216 transitions. [2021-08-29 03:50:48,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:48,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2216 transitions. [2021-08-29 03:50:48,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-08-29 03:50:48,307 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:50:48,308 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:50:48,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 03:50:48,308 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:50:48,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:50:48,308 INFO L82 PathProgramCache]: Analyzing trace with hash -225463204, now seen corresponding path program 1 times [2021-08-29 03:50:48,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:50:48,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269096305] [2021-08-29 03:50:48,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:50:48,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:50:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:50:48,357 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-29 03:50:48,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:50:48,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269096305] [2021-08-29 03:50:48,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269096305] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:50:48,358 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:50:48,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:50:48,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293207360] [2021-08-29 03:50:48,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:50:48,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:50:48,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:50:48,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:50:48,359 INFO L87 Difference]: Start difference. First operand 1684 states and 2216 transitions. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:49,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:50:49,076 INFO L93 Difference]: Finished difference Result 4187 states and 5499 transitions. [2021-08-29 03:50:49,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:50:49,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 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 206 [2021-08-29 03:50:49,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:50:49,083 INFO L225 Difference]: With dead ends: 4187 [2021-08-29 03:50:49,084 INFO L226 Difference]: Without dead ends: 2505 [2021-08-29 03:50:49,087 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.54ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:50:49,088 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 210 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 999 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 539.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.51ms SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 664.28ms IncrementalHoareTripleChecker+Time [2021-08-29 03:50:49,089 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 0 Invalid, 1137 Unknown, 0 Unchecked, 2.51ms Time], IncrementalHoareTripleChecker [138 Valid, 999 Invalid, 0 Unknown, 0 Unchecked, 664.28ms Time] [2021-08-29 03:50:49,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2021-08-29 03:50:49,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 2497. [2021-08-29 03:50:49,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2497 states, 2496 states have (on average 1.2704326923076923) internal successors, (3171), 2496 states have internal predecessors, (3171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:49,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 3171 transitions. [2021-08-29 03:50:49,131 INFO L78 Accepts]: Start accepts. Automaton has 2497 states and 3171 transitions. Word has length 206 [2021-08-29 03:50:49,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:50:49,132 INFO L470 AbstractCegarLoop]: Abstraction has 2497 states and 3171 transitions. [2021-08-29 03:50:49,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:49,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 3171 transitions. [2021-08-29 03:50:49,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-08-29 03:50:49,137 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:50:49,138 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:50:49,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 03:50:49,138 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:50:49,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:50:49,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1484246985, now seen corresponding path program 1 times [2021-08-29 03:50:49,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:50:49,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400780268] [2021-08-29 03:50:49,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:50:49,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:50:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:50:49,196 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-29 03:50:49,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:50:49,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400780268] [2021-08-29 03:50:49,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400780268] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:50:49,198 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:50:49,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 03:50:49,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733697228] [2021-08-29 03:50:49,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:50:49,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:50:49,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:50:49,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:50:49,204 INFO L87 Difference]: Start difference. First operand 2497 states and 3171 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 2 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:49,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:50:49,873 INFO L93 Difference]: Finished difference Result 7442 states and 9451 transitions. [2021-08-29 03:50:49,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:50:49,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 2 states have internal predecessors, (202), 0 states have call successors, (0), 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 206 [2021-08-29 03:50:49,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:50:49,886 INFO L225 Difference]: With dead ends: 7442 [2021-08-29 03:50:49,886 INFO L226 Difference]: Without dead ends: 4947 [2021-08-29 03:50:49,890 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.11ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:50:49,890 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 241 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 489.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.43ms SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 598.77ms IncrementalHoareTripleChecker+Time [2021-08-29 03:50:49,891 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [241 Valid, 0 Invalid, 888 Unknown, 0 Unchecked, 2.43ms Time], IncrementalHoareTripleChecker [75 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 598.77ms Time] [2021-08-29 03:50:49,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4947 states. [2021-08-29 03:50:49,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4947 to 4944. [2021-08-29 03:50:49,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4944 states, 4943 states have (on average 1.2322476229010721) internal successors, (6091), 4943 states have internal predecessors, (6091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:49,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4944 states to 4944 states and 6091 transitions. [2021-08-29 03:50:49,957 INFO L78 Accepts]: Start accepts. Automaton has 4944 states and 6091 transitions. Word has length 206 [2021-08-29 03:50:49,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:50:49,957 INFO L470 AbstractCegarLoop]: Abstraction has 4944 states and 6091 transitions. [2021-08-29 03:50:49,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 2 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:49,958 INFO L276 IsEmpty]: Start isEmpty. Operand 4944 states and 6091 transitions. [2021-08-29 03:50:49,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-08-29 03:50:49,964 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:50:49,965 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:50:49,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 03:50:49,965 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:50:49,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:50:49,966 INFO L82 PathProgramCache]: Analyzing trace with hash -215854226, now seen corresponding path program 1 times [2021-08-29 03:50:49,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:50:49,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970656634] [2021-08-29 03:50:49,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:50:49,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:50:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:50:50,028 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:50:50,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:50:50,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970656634] [2021-08-29 03:50:50,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970656634] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 03:50:50,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588608861] [2021-08-29 03:50:50,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:50:50,029 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:50:50,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:50:50,045 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 03:50:50,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-29 03:50:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:50:50,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 03:50:50,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:50:50,731 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-29 03:50:50,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 03:50:50,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588608861] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:50:50,731 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 03:50:50,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-29 03:50:50,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22574684] [2021-08-29 03:50:50,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:50:50,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:50:50,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:50:50,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:50:50,733 INFO L87 Difference]: Start difference. First operand 4944 states and 6091 transitions. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:51,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:50:51,433 INFO L93 Difference]: Finished difference Result 9884 states and 12177 transitions. [2021-08-29 03:50:51,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:50:51,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 216 [2021-08-29 03:50:51,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:50:51,447 INFO L225 Difference]: With dead ends: 9884 [2021-08-29 03:50:51,447 INFO L226 Difference]: Without dead ends: 4942 [2021-08-29 03:50:51,452 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.30ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:50:51,453 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 100 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 509.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.40ms SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 640.73ms IncrementalHoareTripleChecker+Time [2021-08-29 03:50:51,453 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 0 Invalid, 1049 Unknown, 0 Unchecked, 2.40ms Time], IncrementalHoareTripleChecker [101 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 640.73ms Time] [2021-08-29 03:50:51,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4942 states. [2021-08-29 03:50:51,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4942 to 4939. [2021-08-29 03:50:51,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4939 states, 4938 states have (on average 1.1907654921020656) internal successors, (5880), 4938 states have internal predecessors, (5880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:51,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4939 states to 4939 states and 5880 transitions. [2021-08-29 03:50:51,546 INFO L78 Accepts]: Start accepts. Automaton has 4939 states and 5880 transitions. Word has length 216 [2021-08-29 03:50:51,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:50:51,546 INFO L470 AbstractCegarLoop]: Abstraction has 4939 states and 5880 transitions. [2021-08-29 03:50:51,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:51,547 INFO L276 IsEmpty]: Start isEmpty. Operand 4939 states and 5880 transitions. [2021-08-29 03:50:51,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-08-29 03:50:51,554 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:50:51,554 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:50:51,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-29 03:50:51,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:50:51,775 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:50:51,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:50:51,776 INFO L82 PathProgramCache]: Analyzing trace with hash -963709385, now seen corresponding path program 1 times [2021-08-29 03:50:51,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:50:51,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776296717] [2021-08-29 03:50:51,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:50:51,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:50:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:50:51,843 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:50:51,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:50:51,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776296717] [2021-08-29 03:50:51,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776296717] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:50:51,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:50:51,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:50:51,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801237811] [2021-08-29 03:50:51,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 03:50:51,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:50:51,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 03:50:51,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:50:51,845 INFO L87 Difference]: Start difference. First operand 4939 states and 5880 transitions. Second operand has 4 states, 4 states have (on average 55.5) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:52,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:50:52,857 INFO L93 Difference]: Finished difference Result 10306 states and 12296 transitions. [2021-08-29 03:50:52,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 03:50:52,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.5) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 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 222 [2021-08-29 03:50:52,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:50:52,871 INFO L225 Difference]: With dead ends: 10306 [2021-08-29 03:50:52,871 INFO L226 Difference]: Without dead ends: 5369 [2021-08-29 03:50:52,875 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.29ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:50:52,876 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 409 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1382 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 752.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.77ms SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 1382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 939.62ms IncrementalHoareTripleChecker+Time [2021-08-29 03:50:52,877 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [409 Valid, 0 Invalid, 1576 Unknown, 0 Unchecked, 4.77ms Time], IncrementalHoareTripleChecker [194 Valid, 1382 Invalid, 0 Unknown, 0 Unchecked, 939.62ms Time] [2021-08-29 03:50:52,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5369 states. [2021-08-29 03:50:52,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5369 to 4939. [2021-08-29 03:50:52,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4939 states, 4938 states have (on average 1.1907654921020656) internal successors, (5880), 4938 states have internal predecessors, (5880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:52,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4939 states to 4939 states and 5880 transitions. [2021-08-29 03:50:52,954 INFO L78 Accepts]: Start accepts. Automaton has 4939 states and 5880 transitions. Word has length 222 [2021-08-29 03:50:52,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:50:52,956 INFO L470 AbstractCegarLoop]: Abstraction has 4939 states and 5880 transitions. [2021-08-29 03:50:52,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.5) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:52,957 INFO L276 IsEmpty]: Start isEmpty. Operand 4939 states and 5880 transitions. [2021-08-29 03:50:52,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-08-29 03:50:52,964 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:50:52,964 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:50:52,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 03:50:52,964 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:50:52,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:50:52,966 INFO L82 PathProgramCache]: Analyzing trace with hash 637188002, now seen corresponding path program 1 times [2021-08-29 03:50:52,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:50:52,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308924389] [2021-08-29 03:50:52,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:50:52,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:50:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:50:53,061 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-08-29 03:50:53,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:50:53,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308924389] [2021-08-29 03:50:53,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308924389] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 03:50:53,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075603623] [2021-08-29 03:50:53,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:50:53,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:50:53,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:50:53,063 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 03:50:53,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-29 03:50:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:50:53,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-29 03:50:53,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:50:53,646 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-08-29 03:50:53,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 03:50:53,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075603623] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:50:53,646 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 03:50:53,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-29 03:50:53,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965826184] [2021-08-29 03:50:53,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:50:53,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:50:53,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:50:53,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:50:53,648 INFO L87 Difference]: Start difference. First operand 4939 states and 5880 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:54,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:50:54,330 INFO L93 Difference]: Finished difference Result 13148 states and 15767 transitions. [2021-08-29 03:50:54,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:50:54,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 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 229 [2021-08-29 03:50:54,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:50:54,355 INFO L225 Difference]: With dead ends: 13148 [2021-08-29 03:50:54,355 INFO L226 Difference]: Without dead ends: 8211 [2021-08-29 03:50:54,362 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.01ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:50:54,362 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 67 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 482.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.25ms SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 624.46ms IncrementalHoareTripleChecker+Time [2021-08-29 03:50:54,363 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 0 Invalid, 891 Unknown, 0 Unchecked, 2.25ms Time], IncrementalHoareTripleChecker [66 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 624.46ms Time] [2021-08-29 03:50:54,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8211 states. [2021-08-29 03:50:54,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8211 to 6364. [2021-08-29 03:50:54,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6364 states, 6363 states have (on average 1.2135785007072135) internal successors, (7722), 6363 states have internal predecessors, (7722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:54,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6364 states to 6364 states and 7722 transitions. [2021-08-29 03:50:54,470 INFO L78 Accepts]: Start accepts. Automaton has 6364 states and 7722 transitions. Word has length 229 [2021-08-29 03:50:54,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:50:54,470 INFO L470 AbstractCegarLoop]: Abstraction has 6364 states and 7722 transitions. [2021-08-29 03:50:54,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:54,471 INFO L276 IsEmpty]: Start isEmpty. Operand 6364 states and 7722 transitions. [2021-08-29 03:50:54,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-08-29 03:50:54,495 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:50:54,496 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:50:54,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-29 03:50:54,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-08-29 03:50:54,713 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:50:54,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:50:54,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1931592962, now seen corresponding path program 1 times [2021-08-29 03:50:54,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:50:54,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546971056] [2021-08-29 03:50:54,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:50:54,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:50:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:50:54,778 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:50:54,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:50:54,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546971056] [2021-08-29 03:50:54,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546971056] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:50:54,778 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:50:54,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 03:50:54,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701118236] [2021-08-29 03:50:54,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:50:54,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:50:54,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:50:54,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:50:54,780 INFO L87 Difference]: Start difference. First operand 6364 states and 7722 transitions. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 2 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:55,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:50:55,485 INFO L93 Difference]: Finished difference Result 16383 states and 20182 transitions. [2021-08-29 03:50:55,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:50:55,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 2 states have internal predecessors, (236), 0 states have call successors, (0), 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 236 [2021-08-29 03:50:55,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:50:55,500 INFO L225 Difference]: With dead ends: 16383 [2021-08-29 03:50:55,500 INFO L226 Difference]: Without dead ends: 10021 [2021-08-29 03:50:55,507 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.36ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:50:55,508 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 189 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 500.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.35ms SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 632.53ms IncrementalHoareTripleChecker+Time [2021-08-29 03:50:55,508 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 0 Invalid, 877 Unknown, 0 Unchecked, 2.35ms Time], IncrementalHoareTripleChecker [183 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 632.53ms Time] [2021-08-29 03:50:55,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10021 states. [2021-08-29 03:50:55,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10021 to 10018. [2021-08-29 03:50:55,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10018 states, 10017 states have (on average 1.1748028351801936) internal successors, (11768), 10017 states have internal predecessors, (11768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:55,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10018 states to 10018 states and 11768 transitions. [2021-08-29 03:50:55,627 INFO L78 Accepts]: Start accepts. Automaton has 10018 states and 11768 transitions. Word has length 236 [2021-08-29 03:50:55,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:50:55,627 INFO L470 AbstractCegarLoop]: Abstraction has 10018 states and 11768 transitions. [2021-08-29 03:50:55,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 2 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:55,627 INFO L276 IsEmpty]: Start isEmpty. Operand 10018 states and 11768 transitions. [2021-08-29 03:50:55,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-08-29 03:50:55,640 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:50:55,641 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:50:55,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 03:50:55,641 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:50:55,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:50:55,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1818777370, now seen corresponding path program 1 times [2021-08-29 03:50:55,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:50:55,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624071848] [2021-08-29 03:50:55,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:50:55,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:50:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:50:55,695 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-08-29 03:50:55,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:50:55,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624071848] [2021-08-29 03:50:55,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624071848] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:50:55,695 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:50:55,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:50:55,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817754708] [2021-08-29 03:50:55,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:50:55,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:50:55,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:50:55,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:50:55,697 INFO L87 Difference]: Start difference. First operand 10018 states and 11768 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:56,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:50:56,470 INFO L93 Difference]: Finished difference Result 24108 states and 28159 transitions. [2021-08-29 03:50:56,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:50:56,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 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 256 [2021-08-29 03:50:56,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:50:56,488 INFO L225 Difference]: With dead ends: 24108 [2021-08-29 03:50:56,488 INFO L226 Difference]: Without dead ends: 14092 [2021-08-29 03:50:56,494 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.29ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:50:56,494 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 202 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 496.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.95ms SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 653.84ms IncrementalHoareTripleChecker+Time [2021-08-29 03:50:56,495 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 0 Invalid, 1136 Unknown, 0 Unchecked, 1.95ms Time], IncrementalHoareTripleChecker [146 Valid, 990 Invalid, 0 Unknown, 0 Unchecked, 653.84ms Time] [2021-08-29 03:50:56,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14092 states. [2021-08-29 03:50:56,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14092 to 13681. [2021-08-29 03:50:56,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13681 states, 13680 states have (on average 1.1501461988304094) internal successors, (15734), 13680 states have internal predecessors, (15734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:56,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13681 states to 13681 states and 15734 transitions. [2021-08-29 03:50:56,628 INFO L78 Accepts]: Start accepts. Automaton has 13681 states and 15734 transitions. Word has length 256 [2021-08-29 03:50:56,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:50:56,628 INFO L470 AbstractCegarLoop]: Abstraction has 13681 states and 15734 transitions. [2021-08-29 03:50:56,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:56,628 INFO L276 IsEmpty]: Start isEmpty. Operand 13681 states and 15734 transitions. [2021-08-29 03:50:56,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-08-29 03:50:56,641 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:50:56,641 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:50:56,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-29 03:50:56,642 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:50:56,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:50:56,642 INFO L82 PathProgramCache]: Analyzing trace with hash 743628338, now seen corresponding path program 1 times [2021-08-29 03:50:56,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:50:56,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324100699] [2021-08-29 03:50:56,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:50:56,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:50:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:50:56,753 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-29 03:50:56,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:50:56,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324100699] [2021-08-29 03:50:56,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324100699] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:50:56,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:50:56,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:50:56,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727478834] [2021-08-29 03:50:56,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 03:50:56,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:50:56,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 03:50:56,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:50:56,755 INFO L87 Difference]: Start difference. First operand 13681 states and 15734 transitions. Second operand has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:57,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:50:57,563 INFO L93 Difference]: Finished difference Result 30172 states and 34727 transitions. [2021-08-29 03:50:57,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 03:50:57,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 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 266 [2021-08-29 03:50:57,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:50:57,585 INFO L225 Difference]: With dead ends: 30172 [2021-08-29 03:50:57,585 INFO L226 Difference]: Without dead ends: 15478 [2021-08-29 03:50:57,597 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.95ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:50:57,598 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 492 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 937 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 497.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.06ms SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 695.19ms IncrementalHoareTripleChecker+Time [2021-08-29 03:50:57,598 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [492 Valid, 0 Invalid, 1090 Unknown, 0 Unchecked, 2.06ms Time], IncrementalHoareTripleChecker [153 Valid, 937 Invalid, 0 Unknown, 0 Unchecked, 695.19ms Time] [2021-08-29 03:50:57,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15478 states. [2021-08-29 03:50:57,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15478 to 15071. [2021-08-29 03:50:57,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15071 states, 15070 states have (on average 1.0759787657597877) internal successors, (16215), 15070 states have internal predecessors, (16215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:57,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15071 states to 15071 states and 16215 transitions. [2021-08-29 03:50:57,798 INFO L78 Accepts]: Start accepts. Automaton has 15071 states and 16215 transitions. Word has length 266 [2021-08-29 03:50:57,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:50:57,798 INFO L470 AbstractCegarLoop]: Abstraction has 15071 states and 16215 transitions. [2021-08-29 03:50:57,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:57,798 INFO L276 IsEmpty]: Start isEmpty. Operand 15071 states and 16215 transitions. [2021-08-29 03:50:57,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-08-29 03:50:57,816 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:50:57,816 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:50:57,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-29 03:50:57,817 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:50:57,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:50:57,817 INFO L82 PathProgramCache]: Analyzing trace with hash -28651352, now seen corresponding path program 1 times [2021-08-29 03:50:57,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:50:57,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627434147] [2021-08-29 03:50:57,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:50:57,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:50:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:50:57,887 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-08-29 03:50:57,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:50:57,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627434147] [2021-08-29 03:50:57,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627434147] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:50:57,888 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:50:57,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 03:50:57,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981442848] [2021-08-29 03:50:57,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:50:57,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:50:57,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:50:57,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:50:57,889 INFO L87 Difference]: Start difference. First operand 15071 states and 16215 transitions. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 2 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:58,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:50:58,467 INFO L93 Difference]: Finished difference Result 34830 states and 37529 transitions. [2021-08-29 03:50:58,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:50:58,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 2 states have internal predecessors, (253), 0 states have call successors, (0), 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 324 [2021-08-29 03:50:58,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:50:58,492 INFO L225 Difference]: With dead ends: 34830 [2021-08-29 03:50:58,493 INFO L226 Difference]: Without dead ends: 19761 [2021-08-29 03:50:58,506 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.42ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:50:58,507 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 158 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 358.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.35ms SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 483.41ms IncrementalHoareTripleChecker+Time [2021-08-29 03:50:58,507 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 0 Invalid, 667 Unknown, 0 Unchecked, 1.35ms Time], IncrementalHoareTripleChecker [69 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 483.41ms Time] [2021-08-29 03:50:58,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19761 states. [2021-08-29 03:50:58,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19761 to 18948. [2021-08-29 03:50:58,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18948 states, 18947 states have (on average 1.0764764870428036) internal successors, (20396), 18947 states have internal predecessors, (20396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:58,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18948 states to 18948 states and 20396 transitions. [2021-08-29 03:50:58,750 INFO L78 Accepts]: Start accepts. Automaton has 18948 states and 20396 transitions. Word has length 324 [2021-08-29 03:50:58,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:50:58,751 INFO L470 AbstractCegarLoop]: Abstraction has 18948 states and 20396 transitions. [2021-08-29 03:50:58,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 2 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:50:58,751 INFO L276 IsEmpty]: Start isEmpty. Operand 18948 states and 20396 transitions. [2021-08-29 03:50:58,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-08-29 03:50:58,768 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:50:58,768 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:50:58,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-29 03:50:58,769 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:50:58,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:50:58,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1542096602, now seen corresponding path program 1 times [2021-08-29 03:50:58,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:50:58,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110317403] [2021-08-29 03:50:58,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:50:58,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:50:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:50:58,837 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 111 proven. 6 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2021-08-29 03:50:58,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:50:58,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110317403] [2021-08-29 03:50:58,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110317403] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 03:50:58,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72458693] [2021-08-29 03:50:58,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:50:58,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:50:58,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:50:58,845 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 03:50:58,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-29 03:50:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:50:59,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 03:50:59,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:50:59,513 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-08-29 03:50:59,513 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 03:50:59,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72458693] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:50:59,514 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 03:50:59,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-29 03:50:59,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313202496] [2021-08-29 03:50:59,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:50:59,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:50:59,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:50:59,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:50:59,515 INFO L87 Difference]: Start difference. First operand 18948 states and 20396 transitions. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:51:00,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:51:00,185 INFO L93 Difference]: Finished difference Result 36049 states and 38745 transitions. [2021-08-29 03:51:00,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:51:00,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 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 343 [2021-08-29 03:51:00,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:51:00,187 INFO L225 Difference]: With dead ends: 36049 [2021-08-29 03:51:00,187 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 03:51:00,200 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.26ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:51:00,201 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 60 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 421.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.32ms SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 553.59ms IncrementalHoareTripleChecker+Time [2021-08-29 03:51:00,264 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 0 Invalid, 876 Unknown, 0 Unchecked, 1.32ms Time], IncrementalHoareTripleChecker [87 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 553.59ms Time] [2021-08-29 03:51:00,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 03:51:00,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 03:51:00,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:51:00,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 03:51:00,265 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 343 [2021-08-29 03:51:00,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:51:00,265 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 03:51:00,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:51:00,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 03:51:00,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 03:51:00,267 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 03:51:00,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-29 03:51:00,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:51:00,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 03:51:00,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:51:00,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:51:00,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:51:01,155 INFO L858 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-08-29 03:51:01,155 INFO L858 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-08-29 03:51:01,155 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,155 INFO L858 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-08-29 03:51:01,155 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,155 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,155 INFO L858 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,155 INFO L858 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,155 INFO L858 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,155 INFO L858 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,155 INFO L858 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,155 INFO L858 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,156 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,156 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,156 INFO L858 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-08-29 03:51:01,156 INFO L858 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-08-29 03:51:01,156 INFO L858 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-08-29 03:51:01,156 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,156 INFO L858 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-08-29 03:51:01,156 INFO L858 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-08-29 03:51:01,156 INFO L858 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,156 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,156 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,156 INFO L858 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,156 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,157 INFO L858 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,158 INFO L858 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,158 INFO L858 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,158 INFO L858 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,158 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,158 INFO L858 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,158 INFO L858 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-08-29 03:51:01,158 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,158 INFO L858 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-08-29 03:51:01,158 INFO L858 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-08-29 03:51:01,158 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,158 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,158 INFO L858 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,159 INFO L858 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,159 INFO L858 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-08-29 03:51:01,159 INFO L858 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-08-29 03:51:01,159 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,159 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,159 INFO L858 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,159 INFO L858 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,159 INFO L858 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,159 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,159 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,160 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,160 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,160 INFO L858 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,160 INFO L858 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-08-29 03:51:01,160 INFO L858 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-08-29 03:51:01,160 INFO L858 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-08-29 03:51:01,160 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,160 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,160 INFO L858 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,160 INFO L858 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,161 INFO L858 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,161 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,161 INFO L858 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-08-29 03:51:01,161 INFO L858 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-08-29 03:51:01,161 INFO L858 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-08-29 03:51:01,161 INFO L858 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,161 INFO L858 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,162 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,162 INFO L858 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,163 INFO L858 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,163 INFO L858 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,163 INFO L858 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-08-29 03:51:01,163 INFO L858 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-08-29 03:51:01,163 INFO L858 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-08-29 03:51:01,163 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,163 INFO L858 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,163 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,163 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-08-29 03:51:01,163 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,164 INFO L858 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-08-29 03:51:01,164 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 03:51:01,164 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,164 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,164 INFO L858 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-08-29 03:51:01,164 INFO L858 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-08-29 03:51:01,164 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,164 INFO L858 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,165 INFO L858 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,165 INFO L858 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,165 INFO L858 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,165 INFO L858 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,166 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,167 INFO L858 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-08-29 03:51:01,167 INFO L858 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-08-29 03:51:01,167 INFO L858 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-08-29 03:51:01,167 INFO L858 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-08-29 03:51:01,167 INFO L858 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-08-29 03:51:01,167 INFO L858 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,167 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,167 INFO L858 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,167 INFO L858 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,167 INFO L858 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,167 INFO L858 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,168 INFO L858 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,168 INFO L858 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,168 INFO L858 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,168 INFO L858 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,168 INFO L858 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-08-29 03:51:01,168 INFO L858 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-08-29 03:51:01,168 INFO L858 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-08-29 03:51:01,168 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,168 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,168 INFO L858 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,169 INFO L858 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,169 INFO L858 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,169 INFO L858 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,169 INFO L858 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,169 INFO L858 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,169 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,169 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 03:51:01,169 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1579) no Hoare annotation was computed. [2021-08-29 03:51:01,169 INFO L858 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-08-29 03:51:01,169 INFO L858 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-08-29 03:51:01,170 INFO L858 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-08-29 03:51:01,170 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-08-29 03:51:01,170 INFO L858 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-08-29 03:51:01,170 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,170 INFO L858 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,170 INFO L858 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,170 INFO L858 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,170 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,170 INFO L858 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,170 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,171 INFO L858 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,171 INFO L858 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-08-29 03:51:01,171 INFO L858 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-08-29 03:51:01,171 INFO L858 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-08-29 03:51:01,171 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,171 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,171 INFO L858 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,172 INFO L858 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-08-29 03:51:01,172 INFO L858 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-08-29 03:51:01,172 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,172 INFO L858 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,172 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,172 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-08-29 03:51:01,173 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,173 INFO L858 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-08-29 03:51:01,173 INFO L858 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,173 INFO L858 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-08-29 03:51:01,173 INFO L858 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,173 INFO L858 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,173 INFO L858 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-08-29 03:51:01,173 INFO L858 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-08-29 03:51:01,173 INFO L858 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-08-29 03:51:01,173 INFO L858 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-08-29 03:51:01,174 INFO L858 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-08-29 03:51:01,174 INFO L858 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-08-29 03:51:01,174 INFO L858 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-08-29 03:51:01,174 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,174 INFO L858 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,174 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,176 INFO L854 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse11 (<= ~a26~0 0)) (.cse4 (= ~a11~0 1)) (.cse8 (= ~a6~0 1)) (.cse10 (<= ~a3~0 1)) (.cse3 (<= 1 ~a3~0)) (.cse6 (= ~a11~0 0)) (.cse0 (= ~a26~0 1)) (.cse1 (= ~a5~0 1)) (.cse2 (= ~a12~0 1)) (.cse9 (= ~a27~0 1)) (.cse7 (= ~a3~0 0)) (.cse5 (<= ~a6~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse7 .cse5) (and .cse1 .cse2 (or (and .cse0 .cse8 .cse9 .cse7) (and .cse0 .cse10 .cse3 .cse8 .cse9))) (and .cse1 .cse3 .cse4 .cse9 .cse5) (and .cse1 .cse10 .cse3 .cse4 .cse5) (and .cse1 .cse3 .cse4 .cse8) (and .cse1 (or (and .cse11 .cse6 .cse7 .cse5) (and .cse6 .cse9 .cse7 .cse5))) (and .cse1 .cse3 .cse11 .cse4 .cse5) (and .cse1 .cse6 .cse8 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse5) (and .cse1 .cse3 .cse6 .cse8) (and .cse1 .cse4 .cse7 .cse5) (and .cse0 .cse1 .cse2 .cse10 .cse3 .cse9 .cse5) (and .cse1 .cse3 .cse11 .cse6 .cse9 .cse5) (and .cse1 .cse4 .cse8 .cse7) (and .cse1 .cse10 .cse3 .cse6 .cse5) (and .cse0 .cse1 .cse3 .cse6 .cse9 .cse5) (and .cse0 .cse1 .cse2 .cse9 .cse7 .cse5))) [2021-08-29 03:51:01,176 INFO L858 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,176 INFO L858 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,176 INFO L858 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,176 INFO L858 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-08-29 03:51:01,176 INFO L858 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-08-29 03:51:01,176 INFO L858 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,177 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,177 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,177 INFO L861 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-08-29 03:51:01,177 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,177 INFO L858 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,177 INFO L858 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,177 INFO L858 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,177 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,177 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,177 INFO L858 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-08-29 03:51:01,178 INFO L858 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-08-29 03:51:01,178 INFO L858 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,178 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,178 INFO L858 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,178 INFO L858 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,178 INFO L858 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,178 INFO L858 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,178 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,178 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,178 INFO L858 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,178 INFO L858 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-08-29 03:51:01,179 INFO L858 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-08-29 03:51:01,179 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,179 INFO L858 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,179 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-08-29 03:51:01,179 INFO L858 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-08-29 03:51:01,179 INFO L858 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,179 INFO L854 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse11 (<= ~a26~0 0)) (.cse4 (= ~a11~0 1)) (.cse8 (= ~a6~0 1)) (.cse10 (<= ~a3~0 1)) (.cse3 (<= 1 ~a3~0)) (.cse6 (= ~a11~0 0)) (.cse0 (= ~a26~0 1)) (.cse1 (= ~a5~0 1)) (.cse2 (= ~a12~0 1)) (.cse9 (= ~a27~0 1)) (.cse7 (= ~a3~0 0)) (.cse5 (<= ~a6~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse7 .cse5) (and .cse1 .cse2 (or (and .cse0 .cse8 .cse9 .cse7) (and .cse0 .cse10 .cse3 .cse8 .cse9))) (and .cse1 .cse3 .cse4 .cse9 .cse5) (and .cse1 .cse10 .cse3 .cse4 .cse5) (and .cse1 .cse3 .cse4 .cse8) (and .cse1 (or (and .cse11 .cse6 .cse7 .cse5) (and .cse6 .cse9 .cse7 .cse5))) (and .cse1 .cse3 .cse11 .cse4 .cse5) (and .cse1 .cse6 .cse8 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse5) (and .cse1 .cse3 .cse6 .cse8) (and .cse1 .cse4 .cse7 .cse5) (and .cse0 .cse1 .cse2 .cse10 .cse3 .cse9 .cse5) (and .cse1 .cse3 .cse11 .cse6 .cse9 .cse5) (and .cse1 .cse4 .cse8 .cse7) (and .cse1 .cse10 .cse3 .cse6 .cse5) (and .cse0 .cse1 .cse3 .cse6 .cse9 .cse5) (and .cse0 .cse1 .cse2 .cse9 .cse7 .cse5))) [2021-08-29 03:51:01,179 INFO L858 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,179 INFO L858 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,180 INFO L858 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,180 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,180 INFO L858 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-08-29 03:51:01,180 INFO L858 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-08-29 03:51:01,181 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,181 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,181 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,181 INFO L858 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,181 INFO L858 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,181 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,182 INFO L858 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,182 INFO L858 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,182 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 03:51:01,182 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-08-29 03:51:01,182 INFO L858 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-08-29 03:51:01,182 INFO L858 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-08-29 03:51:01,182 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,182 INFO L858 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-08-29 03:51:01,182 INFO L858 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,182 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,182 INFO L858 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-08-29 03:51:01,183 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,183 INFO L858 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,183 INFO L858 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,184 INFO L858 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,184 INFO L858 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,184 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-08-29 03:51:01,184 INFO L858 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,185 INFO L858 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-08-29 03:51:01,185 INFO L858 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-08-29 03:51:01,185 INFO L858 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-08-29 03:51:01,185 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,185 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,185 INFO L858 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,186 INFO L858 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,186 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,186 INFO L858 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,187 INFO L858 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,187 INFO L858 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,187 INFO L858 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-08-29 03:51:01,187 INFO L858 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-08-29 03:51:01,187 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,188 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,188 INFO L858 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-08-29 03:51:01,188 INFO L858 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-08-29 03:51:01,188 INFO L858 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-08-29 03:51:01,188 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,188 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,188 INFO L858 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,188 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,188 INFO L858 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,188 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 03:51:01,189 INFO L858 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,189 INFO L858 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,189 INFO L858 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,189 INFO L858 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,189 INFO L858 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,189 INFO L858 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,189 INFO L858 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-08-29 03:51:01,189 INFO L858 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-08-29 03:51:01,189 INFO L858 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-08-29 03:51:01,189 INFO L858 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,189 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,190 INFO L858 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,190 INFO L858 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,190 INFO L858 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,190 INFO L858 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,190 INFO L858 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,190 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-08-29 03:51:01,190 INFO L858 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-08-29 03:51:01,190 INFO L858 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,190 INFO L858 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-08-29 03:51:01,190 INFO L858 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-08-29 03:51:01,191 INFO L858 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-08-29 03:51:01,191 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,191 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,191 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,191 INFO L858 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,191 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-08-29 03:51:01,191 INFO L858 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-08-29 03:51:01,191 INFO L858 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-08-29 03:51:01,191 INFO L858 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,191 INFO L858 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,191 INFO L858 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:51:01,195 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 03:51:01,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:51:01 BoogieIcfgContainer [2021-08-29 03:51:01,228 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 03:51:01,228 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 03:51:01,228 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 03:51:01,229 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 03:51:01,229 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:50:44" (3/4) ... [2021-08-29 03:51:01,231 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 03:51:01,257 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-29 03:51:01,259 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-29 03:51:01,260 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 03:51:01,262 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 03:51:01,383 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 03:51:01,384 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 03:51:01,384 INFO L158 Benchmark]: Toolchain (without parser) took 18949.47ms. Allocated memory was 58.7MB in the beginning and 511.7MB in the end (delta: 453.0MB). Free memory was 31.8MB in the beginning and 189.1MB in the end (delta: -157.2MB). Peak memory consumption was 296.8MB. Max. memory is 16.1GB. [2021-08-29 03:51:01,384 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 03:51:01,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 763.87ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 31.5MB in the beginning and 44.2MB in the end (delta: -12.7MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2021-08-29 03:51:01,385 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.39ms. Allocated memory is still 75.5MB. Free memory was 44.2MB in the beginning and 29.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-29 03:51:01,386 INFO L158 Benchmark]: Boogie Preprocessor took 125.39ms. Allocated memory is still 75.5MB. Free memory was 29.5MB in the beginning and 33.6MB in the end (delta: -4.1MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2021-08-29 03:51:01,386 INFO L158 Benchmark]: RCFGBuilder took 678.91ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 33.3MB in the beginning and 38.1MB in the end (delta: -4.8MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2021-08-29 03:51:01,387 INFO L158 Benchmark]: TraceAbstraction took 17118.52ms. Allocated memory was 98.6MB in the beginning and 511.7MB in the end (delta: 413.1MB). Free memory was 37.7MB in the beginning and 225.8MB in the end (delta: -188.1MB). Peak memory consumption was 224.8MB. Max. memory is 16.1GB. [2021-08-29 03:51:01,387 INFO L158 Benchmark]: Witness Printer took 155.44ms. Allocated memory is still 511.7MB. Free memory was 225.8MB in the beginning and 189.1MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-08-29 03:51:01,389 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 763.87ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 31.5MB in the beginning and 44.2MB in the end (delta: -12.7MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.39ms. Allocated memory is still 75.5MB. Free memory was 44.2MB in the beginning and 29.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.39ms. Allocated memory is still 75.5MB. Free memory was 29.5MB in the beginning and 33.6MB in the end (delta: -4.1MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * RCFGBuilder took 678.91ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 33.3MB in the beginning and 38.1MB in the end (delta: -4.8MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * TraceAbstraction took 17118.52ms. Allocated memory was 98.6MB in the beginning and 511.7MB in the end (delta: 413.1MB). Free memory was 37.7MB in the beginning and 225.8MB in the end (delta: -188.1MB). Peak memory consumption was 224.8MB. Max. memory is 16.1GB. * Witness Printer took 155.44ms. Allocated memory is still 511.7MB. Free memory was 225.8MB in the beginning and 189.1MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1579]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17027.80ms, OverallIterations: 14, TraceHistogramMax: 5, EmptinessCheckTime: 151.17ms, AutomataDifference: 10803.30ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 677.52ms, InitialAbstractionConstructionTime: 27.97ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2994 SdHoareTripleChecker+Valid, 9337.56ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2994 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 7326.20ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 350 mSDsCounter, 1836 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12147 IncrementalHoareTripleChecker+Invalid, 13983 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1836 mSolverCounterUnsat, 0 mSDtfsCounter, 12147 mSolverCounterSat, 52.49ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 821 GetRequests, 799 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 65.39ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=18948occurred in iteration=13, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 1197.86ms AutomataMinimizationTime, 14 MinimizatonAttempts, 3949 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 157 NumberOfFragments, 669 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3306 FormulaSimplificationTreeSizeReduction, 102.12ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 318 FormulaSimplificationTreeSizeReductionInter, 567.06ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 244.85ms SsaConstructionTime, 585.65ms SatisfiabilityAnalysisTime, 2284.48ms InterpolantComputationTime, 4037 NumberOfCodeBlocks, 4037 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 4020 ConstructedInterpolants, 0 QuantifiedInterpolants, 7613 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1551 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 1490/1508 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a26 == 1 && a5 == 1) && a12 == 1) && 1 <= a3) && a11 == 1) && a6 <= 0) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a3 == 0) && a6 <= 0)) || ((a5 == 1 && a12 == 1) && ((((a26 == 1 && a6 == 1) && a27 == 1) && a3 == 0) || ((((a26 == 1 && a3 <= 1) && 1 <= a3) && a6 == 1) && a27 == 1)))) || ((((a5 == 1 && 1 <= a3) && a11 == 1) && a27 == 1) && a6 <= 0)) || ((((a5 == 1 && a3 <= 1) && 1 <= a3) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && 1 <= a3) && a11 == 1) && a6 == 1)) || (a5 == 1 && ((((a26 <= 0 && a11 == 0) && a3 == 0) && a6 <= 0) || (((a11 == 0 && a27 == 1) && a3 == 0) && a6 <= 0)))) || ((((a5 == 1 && 1 <= a3) && a26 <= 0) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a11 == 0) && a6 == 1) && a3 == 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && 1 <= a3) && a11 == 0) && a6 <= 0)) || (((a5 == 1 && 1 <= a3) && a11 == 0) && a6 == 1)) || (((a5 == 1 && a11 == 1) && a3 == 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && 1 <= a3) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && 1 <= a3) && a26 <= 0) && a11 == 0) && a27 == 1) && a6 <= 0)) || (((a5 == 1 && a11 == 1) && a6 == 1) && a3 == 0)) || ((((a5 == 1 && a3 <= 1) && 1 <= a3) && a11 == 0) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && 1 <= a3) && a11 == 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a27 == 1) && a3 == 0) && a6 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a26 == 1 && a5 == 1) && a12 == 1) && 1 <= a3) && a11 == 1) && a6 <= 0) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a3 == 0) && a6 <= 0)) || ((a5 == 1 && a12 == 1) && ((((a26 == 1 && a6 == 1) && a27 == 1) && a3 == 0) || ((((a26 == 1 && a3 <= 1) && 1 <= a3) && a6 == 1) && a27 == 1)))) || ((((a5 == 1 && 1 <= a3) && a11 == 1) && a27 == 1) && a6 <= 0)) || ((((a5 == 1 && a3 <= 1) && 1 <= a3) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && 1 <= a3) && a11 == 1) && a6 == 1)) || (a5 == 1 && ((((a26 <= 0 && a11 == 0) && a3 == 0) && a6 <= 0) || (((a11 == 0 && a27 == 1) && a3 == 0) && a6 <= 0)))) || ((((a5 == 1 && 1 <= a3) && a26 <= 0) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a11 == 0) && a6 == 1) && a3 == 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && 1 <= a3) && a11 == 0) && a6 <= 0)) || (((a5 == 1 && 1 <= a3) && a11 == 0) && a6 == 1)) || (((a5 == 1 && a11 == 1) && a3 == 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && 1 <= a3) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && 1 <= a3) && a26 <= 0) && a11 == 0) && a27 == 1) && a6 <= 0)) || (((a5 == 1 && a11 == 1) && a6 == 1) && a3 == 0)) || ((((a5 == 1 && a3 <= 1) && 1 <= a3) && a11 == 0) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && 1 <= a3) && a11 == 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a27 == 1) && a3 == 0) && a6 <= 0) RESULT: Ultimate proved your program to be correct! [2021-08-29 03:51:01,438 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...