./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.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/bitvector/s3_srvr_3a_alt.BV.c.cil.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 3c1b0557200bb93e177956c2673df3bb0520e234 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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 03:03:59,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 03:03:59,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 03:03:59,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 03:03:59,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 03:03:59,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 03:03:59,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 03:03:59,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 03:03:59,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 03:03:59,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 03:03:59,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 03:03:59,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 03:03:59,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 03:03:59,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 03:03:59,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 03:03:59,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 03:03:59,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 03:03:59,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 03:03:59,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 03:03:59,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 03:03:59,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 03:03:59,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 03:03:59,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 03:03:59,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 03:03:59,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 03:03:59,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 03:03:59,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 03:03:59,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 03:03:59,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 03:03:59,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 03:03:59,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 03:03:59,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 03:03:59,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 03:03:59,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 03:03:59,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 03:03:59,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 03:03:59,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 03:03:59,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 03:03:59,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 03:03:59,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 03:03:59,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 03:03:59,532 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 03:03:59,547 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 03:03:59,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 03:03:59,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 03:03:59,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 03:03:59,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 03:03:59,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 03:03:59,549 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 03:03:59,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 03:03:59,549 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 03:03:59,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 03:03:59,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 03:03:59,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 03:03:59,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 03:03:59,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 03:03:59,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 03:03:59,550 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 03:03:59,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 03:03:59,551 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 03:03:59,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 03:03:59,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 03:03:59,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 03:03:59,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 03:03:59,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 03:03:59,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 03:03:59,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 03:03:59,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 03:03:59,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 03:03:59,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 03:03:59,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 03:03:59,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 03:03:59,553 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c1b0557200bb93e177956c2673df3bb0520e234 [2021-08-29 03:03:59,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 03:03:59,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 03:03:59,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 03:03:59,818 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 03:03:59,819 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 03:03:59,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2021-08-29 03:03:59,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ab31a75/ed58b4963c684718bd47b7320e32b239/FLAGc99c67a2b [2021-08-29 03:04:00,245 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 03:04:00,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2021-08-29 03:04:00,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ab31a75/ed58b4963c684718bd47b7320e32b239/FLAGc99c67a2b [2021-08-29 03:04:00,672 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ab31a75/ed58b4963c684718bd47b7320e32b239 [2021-08-29 03:04:00,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 03:04:00,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 03:04:00,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 03:04:00,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 03:04:00,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 03:04:00,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:04:00" (1/1) ... [2021-08-29 03:04:00,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@269df6df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:04:00, skipping insertion in model container [2021-08-29 03:04:00,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:04:00" (1/1) ... [2021-08-29 03:04:00,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 03:04:00,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 03:04:00,820 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/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44298,44311] [2021-08-29 03:04:00,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 03:04:00,860 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 03:04:00,917 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/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44298,44311] [2021-08-29 03:04:00,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 03:04:00,945 INFO L208 MainTranslator]: Completed translation [2021-08-29 03:04:00,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:04:00 WrapperNode [2021-08-29 03:04:00,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 03:04:00,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 03:04:00,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 03:04:00,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 03:04:00,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:04:00" (1/1) ... [2021-08-29 03:04:00,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:04:00" (1/1) ... [2021-08-29 03:04:01,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 03:04:01,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 03:04:01,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 03:04:01,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 03:04:01,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:04:00" (1/1) ... [2021-08-29 03:04:01,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:04:00" (1/1) ... [2021-08-29 03:04:01,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:04:00" (1/1) ... [2021-08-29 03:04:01,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:04:00" (1/1) ... [2021-08-29 03:04:01,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:04:00" (1/1) ... [2021-08-29 03:04:01,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:04:00" (1/1) ... [2021-08-29 03:04:01,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:04:00" (1/1) ... [2021-08-29 03:04:01,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 03:04:01,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 03:04:01,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 03:04:01,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 03:04:01,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:04:00" (1/1) ... [2021-08-29 03:04:01,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 03:04:01,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:04:01,080 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 03:04:01,093 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 03:04:01,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 03:04:01,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 03:04:01,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 03:04:01,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 03:04:01,234 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:04:01,526 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-08-29 03:04:01,536 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-08-29 03:04:01,542 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 03:04:01,542 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-29 03:04:01,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:04:01 BoogieIcfgContainer [2021-08-29 03:04:01,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 03:04:01,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 03:04:01,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 03:04:01,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 03:04:01,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:04:00" (1/3) ... [2021-08-29 03:04:01,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8c4efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:04:01, skipping insertion in model container [2021-08-29 03:04:01,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:04:00" (2/3) ... [2021-08-29 03:04:01,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8c4efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:04:01, skipping insertion in model container [2021-08-29 03:04:01,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:04:01" (3/3) ... [2021-08-29 03:04:01,555 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a_alt.BV.c.cil.c [2021-08-29 03:04:01,562 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 03:04:01,563 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 03:04:01,599 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 03:04:01,605 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 03:04:01,605 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 03:04:01,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 0 states have call successors, (0), 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 03:04:01,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-08-29 03:04:01,622 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:01,622 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] [2021-08-29 03:04:01,622 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:01,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:01,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1632003015, now seen corresponding path program 1 times [2021-08-29 03:04:01,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:01,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231756322] [2021-08-29 03:04:01,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:01,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:01,809 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 03:04:01,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:01,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231756322] [2021-08-29 03:04:01,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231756322] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:01,811 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:01,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:01,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031298923] [2021-08-29 03:04:01,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:01,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:01,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:01,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:01,834 INFO L87 Difference]: Start difference. First operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 0 states have call successors, (0), 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 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 03:04:02,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:02,170 INFO L93 Difference]: Finished difference Result 323 states and 559 transitions. [2021-08-29 03:04:02,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:02,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2021-08-29 03:04:02,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:02,178 INFO L225 Difference]: With dead ends: 323 [2021-08-29 03:04:02,178 INFO L226 Difference]: Without dead ends: 171 [2021-08-29 03:04:02,180 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.76ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:02,182 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 167 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 201.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.58ms SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 266.66ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:02,183 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 0 Invalid, 356 Unknown, 0 Unchecked, 4.58ms Time], IncrementalHoareTripleChecker [56 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 266.66ms Time] [2021-08-29 03:04:02,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2021-08-29 03:04:02,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 166. [2021-08-29 03:04:02,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.6424242424242423) internal successors, (271), 165 states have internal predecessors, (271), 0 states have call successors, (0), 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 03:04:02,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 271 transitions. [2021-08-29 03:04:02,214 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 271 transitions. Word has length 44 [2021-08-29 03:04:02,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:02,215 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 271 transitions. [2021-08-29 03:04:02,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 03:04:02,215 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 271 transitions. [2021-08-29 03:04:02,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-08-29 03:04:02,217 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:02,218 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] [2021-08-29 03:04:02,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 03:04:02,218 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:02,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:02,219 INFO L82 PathProgramCache]: Analyzing trace with hash -954579415, now seen corresponding path program 1 times [2021-08-29 03:04:02,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:02,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677443330] [2021-08-29 03:04:02,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:02,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:02,279 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 03:04:02,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:02,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677443330] [2021-08-29 03:04:02,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677443330] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:02,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:02,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:02,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011185987] [2021-08-29 03:04:02,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:02,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:02,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:02,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:02,282 INFO L87 Difference]: Start difference. First operand 166 states and 271 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 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 03:04:02,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:02,500 INFO L93 Difference]: Finished difference Result 372 states and 616 transitions. [2021-08-29 03:04:02,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:02,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2021-08-29 03:04:02,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:02,502 INFO L225 Difference]: With dead ends: 372 [2021-08-29 03:04:02,502 INFO L226 Difference]: Without dead ends: 212 [2021-08-29 03:04:02,503 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.62ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:02,504 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 125 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 158.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.19ms SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 206.62ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:02,504 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 0 Invalid, 304 Unknown, 0 Unchecked, 1.19ms Time], IncrementalHoareTripleChecker [57 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 206.62ms Time] [2021-08-29 03:04:02,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-08-29 03:04:02,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 207. [2021-08-29 03:04:02,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 206 states have (on average 1.6893203883495145) internal successors, (348), 206 states have internal predecessors, (348), 0 states have call successors, (0), 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 03:04:02,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 348 transitions. [2021-08-29 03:04:02,514 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 348 transitions. Word has length 45 [2021-08-29 03:04:02,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:02,515 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 348 transitions. [2021-08-29 03:04:02,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 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 03:04:02,515 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 348 transitions. [2021-08-29 03:04:02,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-08-29 03:04:02,517 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:02,517 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, 1, 1, 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 03:04:02,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 03:04:02,517 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:02,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:02,518 INFO L82 PathProgramCache]: Analyzing trace with hash -420309214, now seen corresponding path program 1 times [2021-08-29 03:04:02,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:02,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801534846] [2021-08-29 03:04:02,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:02,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:02,564 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:04:02,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:02,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801534846] [2021-08-29 03:04:02,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801534846] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:02,565 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:02,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:02,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105489376] [2021-08-29 03:04:02,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:02,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:02,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:02,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:02,567 INFO L87 Difference]: Start difference. First operand 207 states and 348 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 03:04:02,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:02,750 INFO L93 Difference]: Finished difference Result 437 states and 742 transitions. [2021-08-29 03:04:02,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:02,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2021-08-29 03:04:02,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:02,752 INFO L225 Difference]: With dead ends: 437 [2021-08-29 03:04:02,752 INFO L226 Difference]: Without dead ends: 238 [2021-08-29 03:04:02,753 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.42ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:02,754 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 132 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 134.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.98ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 173.82ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:02,754 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 0 Invalid, 281 Unknown, 0 Unchecked, 0.98ms Time], IncrementalHoareTripleChecker [41 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 173.82ms Time] [2021-08-29 03:04:02,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2021-08-29 03:04:02,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2021-08-29 03:04:02,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 237 states have (on average 1.7046413502109705) internal successors, (404), 237 states have internal predecessors, (404), 0 states have call successors, (0), 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 03:04:02,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 404 transitions. [2021-08-29 03:04:02,765 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 404 transitions. Word has length 72 [2021-08-29 03:04:02,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:02,766 INFO L470 AbstractCegarLoop]: Abstraction has 238 states and 404 transitions. [2021-08-29 03:04:02,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 03:04:02,766 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 404 transitions. [2021-08-29 03:04:02,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-08-29 03:04:02,768 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:02,768 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-08-29 03:04:02,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 03:04:02,768 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:02,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:02,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1606429448, now seen corresponding path program 1 times [2021-08-29 03:04:02,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:02,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774426459] [2021-08-29 03:04:02,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:02,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-08-29 03:04:02,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:02,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774426459] [2021-08-29 03:04:02,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774426459] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:02,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:02,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:02,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772346305] [2021-08-29 03:04:02,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:02,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:02,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:02,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:02,846 INFO L87 Difference]: Start difference. First operand 238 states and 404 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 03:04:03,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:03,038 INFO L93 Difference]: Finished difference Result 485 states and 824 transitions. [2021-08-29 03:04:03,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:03,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 84 [2021-08-29 03:04:03,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:03,039 INFO L225 Difference]: With dead ends: 485 [2021-08-29 03:04:03,039 INFO L226 Difference]: Without dead ends: 255 [2021-08-29 03:04:03,040 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.63ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:03,047 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 154 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 132.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.11ms SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 181.99ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:03,048 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 0 Invalid, 257 Unknown, 0 Unchecked, 1.11ms Time], IncrementalHoareTripleChecker [29 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 181.99ms Time] [2021-08-29 03:04:03,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2021-08-29 03:04:03,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2021-08-29 03:04:03,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 1.6944444444444444) internal successors, (427), 252 states have internal predecessors, (427), 0 states have call successors, (0), 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 03:04:03,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 427 transitions. [2021-08-29 03:04:03,059 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 427 transitions. Word has length 84 [2021-08-29 03:04:03,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:03,059 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 427 transitions. [2021-08-29 03:04:03,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 03:04:03,060 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 427 transitions. [2021-08-29 03:04:03,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-08-29 03:04:03,061 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:03,061 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:04:03,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 03:04:03,062 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:03,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:03,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1610778141, now seen corresponding path program 1 times [2021-08-29 03:04:03,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:03,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316953874] [2021-08-29 03:04:03,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:03,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:03,135 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:04:03,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:03,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316953874] [2021-08-29 03:04:03,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316953874] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:03,136 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:03,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:03,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835272100] [2021-08-29 03:04:03,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:03,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:03,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:03,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:03,137 INFO L87 Difference]: Start difference. First operand 253 states and 427 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 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 03:04:03,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:03,362 INFO L93 Difference]: Finished difference Result 544 states and 923 transitions. [2021-08-29 03:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:03,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2021-08-29 03:04:03,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:03,366 INFO L225 Difference]: With dead ends: 544 [2021-08-29 03:04:03,374 INFO L226 Difference]: Without dead ends: 299 [2021-08-29 03:04:03,374 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.23ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:03,377 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 129 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 158.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.05ms SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 213.31ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:03,377 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 0 Invalid, 300 Unknown, 0 Unchecked, 1.05ms Time], IncrementalHoareTripleChecker [53 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 213.31ms Time] [2021-08-29 03:04:03,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-08-29 03:04:03,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 295. [2021-08-29 03:04:03,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 294 states have (on average 1.7040816326530612) internal successors, (501), 294 states have internal predecessors, (501), 0 states have call successors, (0), 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 03:04:03,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 501 transitions. [2021-08-29 03:04:03,383 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 501 transitions. Word has length 84 [2021-08-29 03:04:03,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:03,384 INFO L470 AbstractCegarLoop]: Abstraction has 295 states and 501 transitions. [2021-08-29 03:04:03,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 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 03:04:03,384 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 501 transitions. [2021-08-29 03:04:03,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-08-29 03:04:03,389 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:03,389 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-08-29 03:04:03,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 03:04:03,389 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:03,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:03,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1470428767, now seen corresponding path program 1 times [2021-08-29 03:04:03,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:03,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708073388] [2021-08-29 03:04:03,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:03,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:03,442 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-08-29 03:04:03,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:03,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708073388] [2021-08-29 03:04:03,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708073388] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:03,442 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:03,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:03,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799848316] [2021-08-29 03:04:03,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:03,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:03,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:03,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:03,443 INFO L87 Difference]: Start difference. First operand 295 states and 501 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 03:04:03,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:03,621 INFO L93 Difference]: Finished difference Result 584 states and 992 transitions. [2021-08-29 03:04:03,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:03,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 85 [2021-08-29 03:04:03,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:03,623 INFO L225 Difference]: With dead ends: 584 [2021-08-29 03:04:03,623 INFO L226 Difference]: Without dead ends: 297 [2021-08-29 03:04:03,623 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.17ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:03,624 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 153 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 124.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.59ms SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 159.67ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:03,624 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 0 Invalid, 247 Unknown, 0 Unchecked, 0.59ms Time], IncrementalHoareTripleChecker [31 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 159.67ms Time] [2021-08-29 03:04:03,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-08-29 03:04:03,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 295. [2021-08-29 03:04:03,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 294 states have (on average 1.6904761904761905) internal successors, (497), 294 states have internal predecessors, (497), 0 states have call successors, (0), 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 03:04:03,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 497 transitions. [2021-08-29 03:04:03,629 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 497 transitions. Word has length 85 [2021-08-29 03:04:03,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:03,629 INFO L470 AbstractCegarLoop]: Abstraction has 295 states and 497 transitions. [2021-08-29 03:04:03,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 03:04:03,630 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 497 transitions. [2021-08-29 03:04:03,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-08-29 03:04:03,630 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:03,630 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:04:03,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 03:04:03,630 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:03,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:03,631 INFO L82 PathProgramCache]: Analyzing trace with hash -564791579, now seen corresponding path program 1 times [2021-08-29 03:04:03,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:03,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614502863] [2021-08-29 03:04:03,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:03,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:03,669 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:04:03,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:03,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614502863] [2021-08-29 03:04:03,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614502863] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:03,670 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:03,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:03,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667851824] [2021-08-29 03:04:03,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:03,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:03,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:03,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:03,674 INFO L87 Difference]: Start difference. First operand 295 states and 497 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 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 03:04:03,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:03,878 INFO L93 Difference]: Finished difference Result 586 states and 987 transitions. [2021-08-29 03:04:03,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:03,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2021-08-29 03:04:03,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:03,879 INFO L225 Difference]: With dead ends: 586 [2021-08-29 03:04:03,879 INFO L226 Difference]: Without dead ends: 297 [2021-08-29 03:04:03,880 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.25ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:03,880 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 126 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 152.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.89ms SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 192.22ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:03,881 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 0 Invalid, 301 Unknown, 0 Unchecked, 0.89ms Time], IncrementalHoareTripleChecker [56 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 192.22ms Time] [2021-08-29 03:04:03,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-08-29 03:04:03,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 293. [2021-08-29 03:04:03,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 292 states have (on average 1.6849315068493151) internal successors, (492), 292 states have internal predecessors, (492), 0 states have call successors, (0), 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 03:04:03,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 492 transitions. [2021-08-29 03:04:03,888 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 492 transitions. Word has length 85 [2021-08-29 03:04:03,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:03,888 INFO L470 AbstractCegarLoop]: Abstraction has 293 states and 492 transitions. [2021-08-29 03:04:03,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 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 03:04:03,888 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 492 transitions. [2021-08-29 03:04:03,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-08-29 03:04:03,889 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:03,889 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:04:03,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 03:04:03,890 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:03,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:03,890 INFO L82 PathProgramCache]: Analyzing trace with hash -378579321, now seen corresponding path program 1 times [2021-08-29 03:04:03,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:03,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918644031] [2021-08-29 03:04:03,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:03,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:03,908 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-08-29 03:04:03,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:03,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918644031] [2021-08-29 03:04:03,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918644031] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:03,908 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:03,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:03,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900532359] [2021-08-29 03:04:03,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:03,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:03,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:03,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:03,909 INFO L87 Difference]: Start difference. First operand 293 states and 492 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 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 03:04:04,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:04,064 INFO L93 Difference]: Finished difference Result 586 states and 983 transitions. [2021-08-29 03:04:04,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:04,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 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 96 [2021-08-29 03:04:04,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:04,066 INFO L225 Difference]: With dead ends: 586 [2021-08-29 03:04:04,066 INFO L226 Difference]: Without dead ends: 301 [2021-08-29 03:04:04,066 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.24ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:04,067 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 158 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 105.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.56ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 145.49ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:04,067 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 0 Invalid, 245 Unknown, 0 Unchecked, 0.56ms Time], IncrementalHoareTripleChecker [26 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 145.49ms Time] [2021-08-29 03:04:04,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-08-29 03:04:04,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2021-08-29 03:04:04,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 300 states have (on average 1.6566666666666667) internal successors, (497), 300 states have internal predecessors, (497), 0 states have call successors, (0), 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 03:04:04,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 497 transitions. [2021-08-29 03:04:04,072 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 497 transitions. Word has length 96 [2021-08-29 03:04:04,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:04,073 INFO L470 AbstractCegarLoop]: Abstraction has 301 states and 497 transitions. [2021-08-29 03:04:04,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 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 03:04:04,073 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 497 transitions. [2021-08-29 03:04:04,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-08-29 03:04:04,073 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:04,073 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, 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] [2021-08-29 03:04:04,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 03:04:04,074 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:04,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:04,074 INFO L82 PathProgramCache]: Analyzing trace with hash 183697243, now seen corresponding path program 1 times [2021-08-29 03:04:04,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:04,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520445196] [2021-08-29 03:04:04,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:04,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:04,093 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-08-29 03:04:04,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:04,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520445196] [2021-08-29 03:04:04,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520445196] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:04,093 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:04,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:04,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942350128] [2021-08-29 03:04:04,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:04,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:04,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:04,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:04,094 INFO L87 Difference]: Start difference. First operand 301 states and 497 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 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 03:04:04,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:04,256 INFO L93 Difference]: Finished difference Result 625 states and 1035 transitions. [2021-08-29 03:04:04,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:04,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 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 98 [2021-08-29 03:04:04,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:04,257 INFO L225 Difference]: With dead ends: 625 [2021-08-29 03:04:04,257 INFO L226 Difference]: Without dead ends: 332 [2021-08-29 03:04:04,257 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.27ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:04,258 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 137 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 112.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.54ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 151.48ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:04,258 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 0 Invalid, 274 Unknown, 0 Unchecked, 0.54ms Time], IncrementalHoareTripleChecker [41 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 151.48ms Time] [2021-08-29 03:04:04,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-08-29 03:04:04,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 330. [2021-08-29 03:04:04,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 329 states have (on average 1.6534954407294833) internal successors, (544), 329 states have internal predecessors, (544), 0 states have call successors, (0), 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 03:04:04,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 544 transitions. [2021-08-29 03:04:04,264 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 544 transitions. Word has length 98 [2021-08-29 03:04:04,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:04,264 INFO L470 AbstractCegarLoop]: Abstraction has 330 states and 544 transitions. [2021-08-29 03:04:04,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 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 03:04:04,264 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 544 transitions. [2021-08-29 03:04:04,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-08-29 03:04:04,265 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:04,265 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 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 03:04:04,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 03:04:04,265 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:04,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:04,266 INFO L82 PathProgramCache]: Analyzing trace with hash 156444990, now seen corresponding path program 1 times [2021-08-29 03:04:04,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:04,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791610639] [2021-08-29 03:04:04,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:04,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:04,284 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-08-29 03:04:04,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:04,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791610639] [2021-08-29 03:04:04,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791610639] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:04,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:04,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:04,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005253742] [2021-08-29 03:04:04,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:04,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:04,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:04,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:04,285 INFO L87 Difference]: Start difference. First operand 330 states and 544 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 03:04:04,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:04,446 INFO L93 Difference]: Finished difference Result 686 states and 1135 transitions. [2021-08-29 03:04:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:04,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 99 [2021-08-29 03:04:04,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:04,447 INFO L225 Difference]: With dead ends: 686 [2021-08-29 03:04:04,447 INFO L226 Difference]: Without dead ends: 364 [2021-08-29 03:04:04,448 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.31ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:04,448 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 139 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 116.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.57ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 149.78ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:04,448 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 0 Invalid, 280 Unknown, 0 Unchecked, 0.57ms Time], IncrementalHoareTripleChecker [44 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 149.78ms Time] [2021-08-29 03:04:04,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-08-29 03:04:04,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 357. [2021-08-29 03:04:04,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 356 states have (on average 1.646067415730337) internal successors, (586), 356 states have internal predecessors, (586), 0 states have call successors, (0), 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 03:04:04,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 586 transitions. [2021-08-29 03:04:04,455 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 586 transitions. Word has length 99 [2021-08-29 03:04:04,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:04,455 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 586 transitions. [2021-08-29 03:04:04,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 03:04:04,455 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 586 transitions. [2021-08-29 03:04:04,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-08-29 03:04:04,456 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:04,456 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, 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] [2021-08-29 03:04:04,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 03:04:04,456 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:04,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:04,456 INFO L82 PathProgramCache]: Analyzing trace with hash -2130209566, now seen corresponding path program 1 times [2021-08-29 03:04:04,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:04,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367782832] [2021-08-29 03:04:04,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:04,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:04,473 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-08-29 03:04:04,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:04,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367782832] [2021-08-29 03:04:04,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367782832] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:04,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:04,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:04,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333935833] [2021-08-29 03:04:04,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:04,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:04,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:04,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:04,474 INFO L87 Difference]: Start difference. First operand 357 states and 586 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 03:04:04,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:04,652 INFO L93 Difference]: Finished difference Result 708 states and 1162 transitions. [2021-08-29 03:04:04,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:04,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 99 [2021-08-29 03:04:04,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:04,654 INFO L225 Difference]: With dead ends: 708 [2021-08-29 03:04:04,654 INFO L226 Difference]: Without dead ends: 359 [2021-08-29 03:04:04,654 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.27ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:04,655 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 136 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 117.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.63ms SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 166.65ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:04,655 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 0 Invalid, 276 Unknown, 0 Unchecked, 0.63ms Time], IncrementalHoareTripleChecker [45 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 166.65ms Time] [2021-08-29 03:04:04,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2021-08-29 03:04:04,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 357. [2021-08-29 03:04:04,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 356 states have (on average 1.6348314606741574) internal successors, (582), 356 states have internal predecessors, (582), 0 states have call successors, (0), 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 03:04:04,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 582 transitions. [2021-08-29 03:04:04,661 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 582 transitions. Word has length 99 [2021-08-29 03:04:04,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:04,662 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 582 transitions. [2021-08-29 03:04:04,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 03:04:04,662 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 582 transitions. [2021-08-29 03:04:04,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-08-29 03:04:04,663 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:04,663 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, 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] [2021-08-29 03:04:04,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-29 03:04:04,663 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:04,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:04,663 INFO L82 PathProgramCache]: Analyzing trace with hash -417318601, now seen corresponding path program 1 times [2021-08-29 03:04:04,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:04,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128202387] [2021-08-29 03:04:04,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:04,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:04,682 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-08-29 03:04:04,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:04,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128202387] [2021-08-29 03:04:04,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128202387] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:04,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:04,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:04,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496482351] [2021-08-29 03:04:04,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:04,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:04,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:04,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:04,683 INFO L87 Difference]: Start difference. First operand 357 states and 582 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 03:04:04,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:04,846 INFO L93 Difference]: Finished difference Result 713 states and 1164 transitions. [2021-08-29 03:04:04,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:04,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-08-29 03:04:04,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:04,848 INFO L225 Difference]: With dead ends: 713 [2021-08-29 03:04:04,848 INFO L226 Difference]: Without dead ends: 364 [2021-08-29 03:04:04,848 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.33ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:04,849 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 138 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 117.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.58ms SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 151.79ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:04,849 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 0 Invalid, 282 Unknown, 0 Unchecked, 0.58ms Time], IncrementalHoareTripleChecker [46 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 151.79ms Time] [2021-08-29 03:04:04,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-08-29 03:04:04,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 357. [2021-08-29 03:04:04,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 356 states have (on average 1.6207865168539326) internal successors, (577), 356 states have internal predecessors, (577), 0 states have call successors, (0), 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 03:04:04,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 577 transitions. [2021-08-29 03:04:04,855 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 577 transitions. Word has length 100 [2021-08-29 03:04:04,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:04,856 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 577 transitions. [2021-08-29 03:04:04,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 03:04:04,856 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 577 transitions. [2021-08-29 03:04:04,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-08-29 03:04:04,856 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:04,856 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:04:04,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-29 03:04:04,857 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:04,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:04,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1321281040, now seen corresponding path program 1 times [2021-08-29 03:04:04,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:04,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534529425] [2021-08-29 03:04:04,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:04,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:04,876 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-08-29 03:04:04,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:04,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534529425] [2021-08-29 03:04:04,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534529425] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:04,877 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:04,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:04,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296603508] [2021-08-29 03:04:04,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:04,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:04,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:04,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:04,878 INFO L87 Difference]: Start difference. First operand 357 states and 577 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 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 03:04:05,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:05,039 INFO L93 Difference]: Finished difference Result 731 states and 1183 transitions. [2021-08-29 03:04:05,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:05,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-08-29 03:04:05,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:05,040 INFO L225 Difference]: With dead ends: 731 [2021-08-29 03:04:05,040 INFO L226 Difference]: Without dead ends: 382 [2021-08-29 03:04:05,041 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.25ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:05,041 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 145 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 118.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.56ms SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 150.10ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:05,041 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 0 Invalid, 262 Unknown, 0 Unchecked, 0.56ms Time], IncrementalHoareTripleChecker [36 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 150.10ms Time] [2021-08-29 03:04:05,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-08-29 03:04:05,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2021-08-29 03:04:05,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 377 states have (on average 1.6074270557029178) internal successors, (606), 377 states have internal predecessors, (606), 0 states have call successors, (0), 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 03:04:05,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 606 transitions. [2021-08-29 03:04:05,048 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 606 transitions. Word has length 105 [2021-08-29 03:04:05,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:05,048 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 606 transitions. [2021-08-29 03:04:05,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 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 03:04:05,049 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 606 transitions. [2021-08-29 03:04:05,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-08-29 03:04:05,049 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:05,049 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 03:04:05,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-29 03:04:05,050 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:05,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:05,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1276596489, now seen corresponding path program 1 times [2021-08-29 03:04:05,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:05,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157737460] [2021-08-29 03:04:05,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:05,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:05,067 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-08-29 03:04:05,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:05,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157737460] [2021-08-29 03:04:05,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157737460] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:05,068 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:05,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:05,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537868766] [2021-08-29 03:04:05,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:05,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:05,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:05,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:05,069 INFO L87 Difference]: Start difference. First operand 378 states and 606 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 03:04:05,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:05,219 INFO L93 Difference]: Finished difference Result 752 states and 1206 transitions. [2021-08-29 03:04:05,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:05,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 106 [2021-08-29 03:04:05,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:05,221 INFO L225 Difference]: With dead ends: 752 [2021-08-29 03:04:05,221 INFO L226 Difference]: Without dead ends: 382 [2021-08-29 03:04:05,221 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.23ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:05,222 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 144 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 108.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.54ms SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 139.22ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:05,222 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 0 Invalid, 264 Unknown, 0 Unchecked, 0.54ms Time], IncrementalHoareTripleChecker [38 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 139.22ms Time] [2021-08-29 03:04:05,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-08-29 03:04:05,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2021-08-29 03:04:05,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 377 states have (on average 1.5915119363395225) internal successors, (600), 377 states have internal predecessors, (600), 0 states have call successors, (0), 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 03:04:05,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 600 transitions. [2021-08-29 03:04:05,229 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 600 transitions. Word has length 106 [2021-08-29 03:04:05,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:05,229 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 600 transitions. [2021-08-29 03:04:05,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 03:04:05,229 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 600 transitions. [2021-08-29 03:04:05,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-08-29 03:04:05,230 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:05,230 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-29 03:04:05,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-29 03:04:05,230 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:05,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:05,231 INFO L82 PathProgramCache]: Analyzing trace with hash -687746511, now seen corresponding path program 1 times [2021-08-29 03:04:05,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:05,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579570277] [2021-08-29 03:04:05,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:05,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:05,250 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-29 03:04:05,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:05,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579570277] [2021-08-29 03:04:05,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579570277] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:05,251 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:05,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:05,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476994166] [2021-08-29 03:04:05,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:05,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:05,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:05,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:05,252 INFO L87 Difference]: Start difference. First operand 378 states and 600 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:04:05,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:05,549 INFO L93 Difference]: Finished difference Result 1072 states and 1706 transitions. [2021-08-29 03:04:05,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:05,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-08-29 03:04:05,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:05,551 INFO L225 Difference]: With dead ends: 1072 [2021-08-29 03:04:05,551 INFO L226 Difference]: Without dead ends: 702 [2021-08-29 03:04:05,552 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.28ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:05,552 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 131 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 214.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.04ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 273.32ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:05,552 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 0 Invalid, 550 Unknown, 0 Unchecked, 1.04ms Time], IncrementalHoareTripleChecker [4 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 273.32ms Time] [2021-08-29 03:04:05,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2021-08-29 03:04:05,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2021-08-29 03:04:05,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 701 states have (on average 1.587731811697575) internal successors, (1113), 701 states have internal predecessors, (1113), 0 states have call successors, (0), 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 03:04:05,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1113 transitions. [2021-08-29 03:04:05,569 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1113 transitions. Word has length 121 [2021-08-29 03:04:05,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:05,569 INFO L470 AbstractCegarLoop]: Abstraction has 702 states and 1113 transitions. [2021-08-29 03:04:05,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:04:05,569 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1113 transitions. [2021-08-29 03:04:05,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-08-29 03:04:05,570 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:05,570 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-29 03:04:05,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-29 03:04:05,571 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:05,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:05,571 INFO L82 PathProgramCache]: Analyzing trace with hash 209646767, now seen corresponding path program 1 times [2021-08-29 03:04:05,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:05,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615654104] [2021-08-29 03:04:05,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:05,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:05,592 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-08-29 03:04:05,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:05,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615654104] [2021-08-29 03:04:05,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615654104] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:05,592 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:05,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:05,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391572083] [2021-08-29 03:04:05,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:05,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:05,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:05,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:05,593 INFO L87 Difference]: Start difference. First operand 702 states and 1113 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 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 03:04:05,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:05,835 INFO L93 Difference]: Finished difference Result 1072 states and 1701 transitions. [2021-08-29 03:04:05,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:05,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-08-29 03:04:05,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:05,839 INFO L225 Difference]: With dead ends: 1072 [2021-08-29 03:04:05,839 INFO L226 Difference]: Without dead ends: 1070 [2021-08-29 03:04:05,839 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.30ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:05,839 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 144 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 169.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.77ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 218.80ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:05,840 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 0 Invalid, 379 Unknown, 0 Unchecked, 0.77ms Time], IncrementalHoareTripleChecker [5 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 218.80ms Time] [2021-08-29 03:04:05,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2021-08-29 03:04:05,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1070. [2021-08-29 03:04:05,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 1069 states have (on average 1.5893358278765202) internal successors, (1699), 1069 states have internal predecessors, (1699), 0 states have call successors, (0), 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 03:04:05,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1699 transitions. [2021-08-29 03:04:05,871 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1699 transitions. Word has length 121 [2021-08-29 03:04:05,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:05,871 INFO L470 AbstractCegarLoop]: Abstraction has 1070 states and 1699 transitions. [2021-08-29 03:04:05,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 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 03:04:05,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1699 transitions. [2021-08-29 03:04:05,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-08-29 03:04:05,873 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:05,873 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:04:05,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-29 03:04:05,873 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:05,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:05,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1473242480, now seen corresponding path program 1 times [2021-08-29 03:04:05,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:05,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003955836] [2021-08-29 03:04:05,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:05,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:05,879 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-29 03:04:05,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2062262516] [2021-08-29 03:04:05,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:05,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:04:05,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:04:05,916 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 03:04:05,964 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 03:04:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:06,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-29 03:04:06,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:04:06,250 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-08-29 03:04:06,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 03:04:06,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:06,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003955836] [2021-08-29 03:04:06,251 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-29 03:04:06,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062262516] [2021-08-29 03:04:06,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062262516] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:06,251 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:06,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:06,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332329194] [2021-08-29 03:04:06,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:06,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:06,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:06,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:06,252 INFO L87 Difference]: Start difference. First operand 1070 states and 1699 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 03:04:06,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:06,600 INFO L93 Difference]: Finished difference Result 2500 states and 3972 transitions. [2021-08-29 03:04:06,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:06,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2021-08-29 03:04:06,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:06,604 INFO L225 Difference]: With dead ends: 2500 [2021-08-29 03:04:06,604 INFO L226 Difference]: Without dead ends: 1438 [2021-08-29 03:04:06,605 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.55ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:06,606 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 148 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 234.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.83ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 314.59ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:06,606 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 0 Invalid, 399 Unknown, 0 Unchecked, 0.83ms Time], IncrementalHoareTripleChecker [2 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 314.59ms Time] [2021-08-29 03:04:06,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2021-08-29 03:04:06,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1438. [2021-08-29 03:04:06,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1438 states, 1437 states have (on average 1.5880306193458595) internal successors, (2282), 1437 states have internal predecessors, (2282), 0 states have call successors, (0), 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 03:04:06,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 2282 transitions. [2021-08-29 03:04:06,664 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 2282 transitions. Word has length 122 [2021-08-29 03:04:06,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:06,664 INFO L470 AbstractCegarLoop]: Abstraction has 1438 states and 2282 transitions. [2021-08-29 03:04:06,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 03:04:06,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2282 transitions. [2021-08-29 03:04:06,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-08-29 03:04:06,666 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:06,666 INFO L513 BasicCegarLoop]: trace histogram [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, 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] [2021-08-29 03:04:06,686 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 03:04:06,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-08-29 03:04:06,884 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:06,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:06,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1161393041, now seen corresponding path program 1 times [2021-08-29 03:04:06,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:06,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73274216] [2021-08-29 03:04:06,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:06,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:06,893 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-29 03:04:06,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2064603899] [2021-08-29 03:04:06,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:06,893 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:04:06,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:04:06,913 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 03:04:06,914 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 03:04:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:06,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-29 03:04:06,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:04:07,192 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-08-29 03:04:07,192 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 03:04:07,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:07,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73274216] [2021-08-29 03:04:07,193 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-29 03:04:07,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064603899] [2021-08-29 03:04:07,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064603899] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:07,193 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:07,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:07,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976146234] [2021-08-29 03:04:07,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:07,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:07,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:07,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:07,194 INFO L87 Difference]: Start difference. First operand 1438 states and 2282 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:04:07,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:07,544 INFO L93 Difference]: Finished difference Result 2868 states and 4555 transitions. [2021-08-29 03:04:07,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:07,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 138 [2021-08-29 03:04:07,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:07,550 INFO L225 Difference]: With dead ends: 2868 [2021-08-29 03:04:07,550 INFO L226 Difference]: Without dead ends: 1806 [2021-08-29 03:04:07,551 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.42ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:07,551 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 149 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 263.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.89ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 306.51ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:07,551 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 0 Invalid, 393 Unknown, 0 Unchecked, 0.89ms Time], IncrementalHoareTripleChecker [2 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 306.51ms Time] [2021-08-29 03:04:07,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2021-08-29 03:04:07,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1806. [2021-08-29 03:04:07,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1806 states, 1805 states have (on average 1.5878116343490305) internal successors, (2866), 1805 states have internal predecessors, (2866), 0 states have call successors, (0), 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 03:04:07,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2866 transitions. [2021-08-29 03:04:07,593 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2866 transitions. Word has length 138 [2021-08-29 03:04:07,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:07,594 INFO L470 AbstractCegarLoop]: Abstraction has 1806 states and 2866 transitions. [2021-08-29 03:04:07,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:04:07,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2866 transitions. [2021-08-29 03:04:07,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-08-29 03:04:07,597 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:07,598 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-08-29 03:04:07,637 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 03:04:07,815 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,SelfDestructingSolverStorable17 [2021-08-29 03:04:07,816 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:07,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:07,816 INFO L82 PathProgramCache]: Analyzing trace with hash 230274424, now seen corresponding path program 1 times [2021-08-29 03:04:07,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:07,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060770949] [2021-08-29 03:04:07,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:07,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:07,827 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-29 03:04:07,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [554735763] [2021-08-29 03:04:07,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:07,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:04:07,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:04:07,841 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 03:04:07,896 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 03:04:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:07,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-29 03:04:07,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:04:08,270 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-08-29 03:04:08,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 03:04:08,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:08,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060770949] [2021-08-29 03:04:08,270 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-29 03:04:08,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554735763] [2021-08-29 03:04:08,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554735763] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:08,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:08,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:08,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019411099] [2021-08-29 03:04:08,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:08,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:08,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:08,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:08,272 INFO L87 Difference]: Start difference. First operand 1806 states and 2866 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 03:04:08,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:08,490 INFO L93 Difference]: Finished difference Result 3649 states and 5775 transitions. [2021-08-29 03:04:08,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:08,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 199 [2021-08-29 03:04:08,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:08,495 INFO L225 Difference]: With dead ends: 3649 [2021-08-29 03:04:08,495 INFO L226 Difference]: Without dead ends: 1851 [2021-08-29 03:04:08,496 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.76ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:08,497 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 29 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 144.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.70ms SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 182.06ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:08,497 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 0 Invalid, 441 Unknown, 0 Unchecked, 0.70ms Time], IncrementalHoareTripleChecker [23 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 182.06ms Time] [2021-08-29 03:04:08,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2021-08-29 03:04:08,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1806. [2021-08-29 03:04:08,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1806 states, 1805 states have (on average 1.5479224376731302) internal successors, (2794), 1805 states have internal predecessors, (2794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:04:08,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2794 transitions. [2021-08-29 03:04:08,532 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2794 transitions. Word has length 199 [2021-08-29 03:04:08,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:08,532 INFO L470 AbstractCegarLoop]: Abstraction has 1806 states and 2794 transitions. [2021-08-29 03:04:08,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 03:04:08,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2794 transitions. [2021-08-29 03:04:08,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-08-29 03:04:08,535 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:08,535 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-08-29 03:04:08,555 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 03:04:08,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:04:08,753 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:08,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:08,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1368505586, now seen corresponding path program 1 times [2021-08-29 03:04:08,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:08,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570219560] [2021-08-29 03:04:08,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:08,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:08,783 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-08-29 03:04:08,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:08,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570219560] [2021-08-29 03:04:08,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570219560] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:08,784 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:08,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:08,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568040962] [2021-08-29 03:04:08,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:08,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:08,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:08,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:08,784 INFO L87 Difference]: Start difference. First operand 1806 states and 2794 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 03:04:08,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:08,987 INFO L93 Difference]: Finished difference Result 3666 states and 5648 transitions. [2021-08-29 03:04:08,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:08,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 212 [2021-08-29 03:04:08,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:08,992 INFO L225 Difference]: With dead ends: 3666 [2021-08-29 03:04:08,992 INFO L226 Difference]: Without dead ends: 1868 [2021-08-29 03:04:08,993 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.15ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:08,994 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 148 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 138.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.63ms SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 171.73ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:08,994 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 0 Invalid, 317 Unknown, 0 Unchecked, 0.63ms Time], IncrementalHoareTripleChecker [56 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 171.73ms Time] [2021-08-29 03:04:08,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1868 states. [2021-08-29 03:04:09,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1868 to 1806. [2021-08-29 03:04:09,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1806 states, 1805 states have (on average 1.5047091412742382) internal successors, (2716), 1805 states have internal predecessors, (2716), 0 states have call successors, (0), 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 03:04:09,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2716 transitions. [2021-08-29 03:04:09,026 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2716 transitions. Word has length 212 [2021-08-29 03:04:09,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:09,026 INFO L470 AbstractCegarLoop]: Abstraction has 1806 states and 2716 transitions. [2021-08-29 03:04:09,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 03:04:09,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2716 transitions. [2021-08-29 03:04:09,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-08-29 03:04:09,030 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:09,031 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-08-29 03:04:09,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-29 03:04:09,031 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:09,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:09,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1759452965, now seen corresponding path program 1 times [2021-08-29 03:04:09,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:09,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580423976] [2021-08-29 03:04:09,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:09,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:09,045 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-29 03:04:09,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1500493238] [2021-08-29 03:04:09,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:09,046 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:04:09,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:04:09,061 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 03:04:09,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-29 03:04:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:09,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-29 03:04:09,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:04:09,421 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-08-29 03:04:09,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 03:04:09,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:09,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580423976] [2021-08-29 03:04:09,421 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-29 03:04:09,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500493238] [2021-08-29 03:04:09,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500493238] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:09,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:09,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:09,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856132471] [2021-08-29 03:04:09,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:09,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:09,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:09,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:09,423 INFO L87 Difference]: Start difference. First operand 1806 states and 2716 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 03:04:09,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:09,635 INFO L93 Difference]: Finished difference Result 3844 states and 5780 transitions. [2021-08-29 03:04:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:09,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 241 [2021-08-29 03:04:09,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:09,639 INFO L225 Difference]: With dead ends: 3844 [2021-08-29 03:04:09,639 INFO L226 Difference]: Without dead ends: 1921 [2021-08-29 03:04:09,641 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.25ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:09,641 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 26 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 148.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.66ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 183.32ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:09,641 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 0 Invalid, 426 Unknown, 0 Unchecked, 0.66ms Time], IncrementalHoareTripleChecker [24 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 183.32ms Time] [2021-08-29 03:04:09,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2021-08-29 03:04:09,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1876. [2021-08-29 03:04:09,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1876 states, 1875 states have (on average 1.4778666666666667) internal successors, (2771), 1875 states have internal predecessors, (2771), 0 states have call successors, (0), 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 03:04:09,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2771 transitions. [2021-08-29 03:04:09,672 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2771 transitions. Word has length 241 [2021-08-29 03:04:09,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:09,672 INFO L470 AbstractCegarLoop]: Abstraction has 1876 states and 2771 transitions. [2021-08-29 03:04:09,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 03:04:09,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2771 transitions. [2021-08-29 03:04:09,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-08-29 03:04:09,676 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:09,676 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-08-29 03:04:09,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-29 03:04:09,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:04:09,893 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:09,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:09,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1825507112, now seen corresponding path program 1 times [2021-08-29 03:04:09,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:09,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915726632] [2021-08-29 03:04:09,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:09,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:09,905 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-29 03:04:09,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [897786359] [2021-08-29 03:04:09,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:09,906 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:04:09,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:04:09,906 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 03:04:09,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-29 03:04:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:10,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-29 03:04:10,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:04:10,283 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-08-29 03:04:10,283 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 03:04:10,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:10,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915726632] [2021-08-29 03:04:10,283 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-29 03:04:10,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897786359] [2021-08-29 03:04:10,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897786359] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:10,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:10,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:10,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826190356] [2021-08-29 03:04:10,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:10,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:10,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:10,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:10,285 INFO L87 Difference]: Start difference. First operand 1876 states and 2771 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 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 03:04:10,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:10,488 INFO L93 Difference]: Finished difference Result 3789 states and 5585 transitions. [2021-08-29 03:04:10,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:10,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 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 255 [2021-08-29 03:04:10,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:10,493 INFO L225 Difference]: With dead ends: 3789 [2021-08-29 03:04:10,493 INFO L226 Difference]: Without dead ends: 1921 [2021-08-29 03:04:10,494 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.23ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:10,495 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 145 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 139.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.64ms SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 170.83ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:10,495 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 0 Invalid, 335 Unknown, 0 Unchecked, 0.64ms Time], IncrementalHoareTripleChecker [54 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 170.83ms Time] [2021-08-29 03:04:10,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2021-08-29 03:04:10,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1876. [2021-08-29 03:04:10,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1876 states, 1875 states have (on average 1.4405333333333334) internal successors, (2701), 1875 states have internal predecessors, (2701), 0 states have call successors, (0), 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 03:04:10,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2701 transitions. [2021-08-29 03:04:10,528 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2701 transitions. Word has length 255 [2021-08-29 03:04:10,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:10,528 INFO L470 AbstractCegarLoop]: Abstraction has 1876 states and 2701 transitions. [2021-08-29 03:04:10,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 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 03:04:10,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2701 transitions. [2021-08-29 03:04:10,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-08-29 03:04:10,532 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:10,532 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-08-29 03:04:10,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-29 03:04:10,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-08-29 03:04:10,753 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:10,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:10,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1622703552, now seen corresponding path program 1 times [2021-08-29 03:04:10,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:10,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628275749] [2021-08-29 03:04:10,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:10,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:10,764 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-29 03:04:10,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747807843] [2021-08-29 03:04:10,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:10,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:04:10,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:04:10,781 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 03:04:10,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-29 03:04:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:10,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 03:04:10,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:04:11,247 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-08-29 03:04:11,247 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 03:04:11,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:11,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628275749] [2021-08-29 03:04:11,248 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-29 03:04:11,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747807843] [2021-08-29 03:04:11,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747807843] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:11,248 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:11,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:11,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519830188] [2021-08-29 03:04:11,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:11,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:11,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:11,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:11,249 INFO L87 Difference]: Start difference. First operand 1876 states and 2701 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 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 03:04:11,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:11,550 INFO L93 Difference]: Finished difference Result 5592 states and 8059 transitions. [2021-08-29 03:04:11,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:11,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 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 269 [2021-08-29 03:04:11,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:11,558 INFO L225 Difference]: With dead ends: 5592 [2021-08-29 03:04:11,558 INFO L226 Difference]: Without dead ends: 3724 [2021-08-29 03:04:11,560 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.18ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:11,560 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 119 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 168.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.20ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 243.12ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:11,561 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 0 Invalid, 544 Unknown, 0 Unchecked, 2.20ms Time], IncrementalHoareTripleChecker [4 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 243.12ms Time] [2021-08-29 03:04:11,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2021-08-29 03:04:11,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3722. [2021-08-29 03:04:11,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3722 states, 3721 states have (on average 1.4388605213652244) internal successors, (5354), 3721 states have internal predecessors, (5354), 0 states have call successors, (0), 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 03:04:11,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3722 states and 5354 transitions. [2021-08-29 03:04:11,642 INFO L78 Accepts]: Start accepts. Automaton has 3722 states and 5354 transitions. Word has length 269 [2021-08-29 03:04:11,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:11,642 INFO L470 AbstractCegarLoop]: Abstraction has 3722 states and 5354 transitions. [2021-08-29 03:04:11,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 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 03:04:11,643 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 5354 transitions. [2021-08-29 03:04:11,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-08-29 03:04:11,648 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:11,648 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2021-08-29 03:04:11,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-29 03:04:11,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:04:11,866 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:11,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:11,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1812515673, now seen corresponding path program 1 times [2021-08-29 03:04:11,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:11,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700654158] [2021-08-29 03:04:11,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:11,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:11,896 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2021-08-29 03:04:11,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:11,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700654158] [2021-08-29 03:04:11,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700654158] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:11,897 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:11,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:11,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638731937] [2021-08-29 03:04:11,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:11,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:11,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:11,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:11,900 INFO L87 Difference]: Start difference. First operand 3722 states and 5354 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 03:04:12,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:12,121 INFO L93 Difference]: Finished difference Result 7581 states and 10901 transitions. [2021-08-29 03:04:12,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:12,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 307 [2021-08-29 03:04:12,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:12,143 INFO L225 Difference]: With dead ends: 7581 [2021-08-29 03:04:12,143 INFO L226 Difference]: Without dead ends: 3867 [2021-08-29 03:04:12,146 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.08ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:12,147 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 12 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 132.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.60ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 163.60ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:12,147 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 0 Invalid, 416 Unknown, 0 Unchecked, 0.60ms Time], IncrementalHoareTripleChecker [6 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 163.60ms Time] [2021-08-29 03:04:12,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3867 states. [2021-08-29 03:04:12,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3867 to 3837. [2021-08-29 03:04:12,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3837 states, 3836 states have (on average 1.432221063607925) internal successors, (5494), 3836 states have internal predecessors, (5494), 0 states have call successors, (0), 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 03:04:12,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 5494 transitions. [2021-08-29 03:04:12,240 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 5494 transitions. Word has length 307 [2021-08-29 03:04:12,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:12,240 INFO L470 AbstractCegarLoop]: Abstraction has 3837 states and 5494 transitions. [2021-08-29 03:04:12,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 03:04:12,241 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 5494 transitions. [2021-08-29 03:04:12,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-08-29 03:04:12,246 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:12,246 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-08-29 03:04:12,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-29 03:04:12,246 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:12,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:12,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1267987889, now seen corresponding path program 1 times [2021-08-29 03:04:12,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:12,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728865309] [2021-08-29 03:04:12,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:12,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:12,256 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-29 03:04:12,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1151947544] [2021-08-29 03:04:12,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:12,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:04:12,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:04:12,257 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 03:04:12,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-29 03:04:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:12,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-29 03:04:12,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:04:12,669 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2021-08-29 03:04:12,669 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 03:04:12,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:12,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728865309] [2021-08-29 03:04:12,669 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-29 03:04:12,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151947544] [2021-08-29 03:04:12,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151947544] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:12,669 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:12,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:12,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255887843] [2021-08-29 03:04:12,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:12,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:12,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:12,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:12,670 INFO L87 Difference]: Start difference. First operand 3837 states and 5494 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 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 03:04:12,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:12,882 INFO L93 Difference]: Finished difference Result 7666 states and 10976 transitions. [2021-08-29 03:04:12,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:12,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 320 [2021-08-29 03:04:12,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:12,885 INFO L225 Difference]: With dead ends: 7666 [2021-08-29 03:04:12,885 INFO L226 Difference]: Without dead ends: 2264 [2021-08-29 03:04:12,888 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.30ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:12,889 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 11 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 132.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.37ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 159.07ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:12,889 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 0 Invalid, 391 Unknown, 0 Unchecked, 0.37ms Time], IncrementalHoareTripleChecker [3 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 159.07ms Time] [2021-08-29 03:04:12,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2264 states. [2021-08-29 03:04:12,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2264 to 2264. [2021-08-29 03:04:12,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2264 states, 2263 states have (on average 1.4069818824569156) internal successors, (3184), 2263 states have internal predecessors, (3184), 0 states have call successors, (0), 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 03:04:12,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 3184 transitions. [2021-08-29 03:04:12,922 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 3184 transitions. Word has length 320 [2021-08-29 03:04:12,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:12,922 INFO L470 AbstractCegarLoop]: Abstraction has 2264 states and 3184 transitions. [2021-08-29 03:04:12,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 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 03:04:12,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 3184 transitions. [2021-08-29 03:04:12,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-08-29 03:04:12,925 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:12,925 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2021-08-29 03:04:12,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-29 03:04:13,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:04:13,145 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:13,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:13,145 INFO L82 PathProgramCache]: Analyzing trace with hash 493001237, now seen corresponding path program 1 times [2021-08-29 03:04:13,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:13,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490909630] [2021-08-29 03:04:13,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:13,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:13,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2021-08-29 03:04:13,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:13,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490909630] [2021-08-29 03:04:13,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490909630] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:13,172 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:13,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:13,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921563798] [2021-08-29 03:04:13,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:13,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:13,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:13,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:13,174 INFO L87 Difference]: Start difference. First operand 2264 states and 3184 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:04:13,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:13,401 INFO L93 Difference]: Finished difference Result 4742 states and 6692 transitions. [2021-08-29 03:04:13,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:13,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 327 [2021-08-29 03:04:13,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:13,405 INFO L225 Difference]: With dead ends: 4742 [2021-08-29 03:04:13,405 INFO L226 Difference]: Without dead ends: 2486 [2021-08-29 03:04:13,408 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.99ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:13,408 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 28 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 122.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.41ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 174.82ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:13,411 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 0 Invalid, 413 Unknown, 0 Unchecked, 0.41ms Time], IncrementalHoareTripleChecker [7 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 174.82ms Time] [2021-08-29 03:04:13,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2486 states. [2021-08-29 03:04:13,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2486 to 2414. [2021-08-29 03:04:13,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 2413 states have (on average 1.3941152092830502) internal successors, (3364), 2413 states have internal predecessors, (3364), 0 states have call successors, (0), 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 03:04:13,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3364 transitions. [2021-08-29 03:04:13,504 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3364 transitions. Word has length 327 [2021-08-29 03:04:13,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:13,504 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 3364 transitions. [2021-08-29 03:04:13,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:04:13,504 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3364 transitions. [2021-08-29 03:04:13,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-08-29 03:04:13,508 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:13,508 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2021-08-29 03:04:13,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-08-29 03:04:13,509 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:13,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:13,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1757399063, now seen corresponding path program 1 times [2021-08-29 03:04:13,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:13,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324769076] [2021-08-29 03:04:13,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:13,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:13,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 587 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2021-08-29 03:04:13,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:13,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324769076] [2021-08-29 03:04:13,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324769076] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:13,538 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:13,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:13,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684354239] [2021-08-29 03:04:13,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:13,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:13,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:13,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:13,539 INFO L87 Difference]: Start difference. First operand 2414 states and 3364 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 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 03:04:13,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:13,741 INFO L93 Difference]: Finished difference Result 4862 states and 6788 transitions. [2021-08-29 03:04:13,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:13,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 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 353 [2021-08-29 03:04:13,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:13,745 INFO L225 Difference]: With dead ends: 4862 [2021-08-29 03:04:13,745 INFO L226 Difference]: Without dead ends: 2456 [2021-08-29 03:04:13,746 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.00ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:13,747 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 18 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 117.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.36ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 177.58ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:13,747 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 0 Invalid, 416 Unknown, 0 Unchecked, 0.36ms Time], IncrementalHoareTripleChecker [9 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 177.58ms Time] [2021-08-29 03:04:13,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2021-08-29 03:04:13,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 2414. [2021-08-29 03:04:13,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 2413 states have (on average 1.3742229589722337) internal successors, (3316), 2413 states have internal predecessors, (3316), 0 states have call successors, (0), 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 03:04:13,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3316 transitions. [2021-08-29 03:04:13,802 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3316 transitions. Word has length 353 [2021-08-29 03:04:13,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:13,803 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 3316 transitions. [2021-08-29 03:04:13,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 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 03:04:13,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3316 transitions. [2021-08-29 03:04:13,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-08-29 03:04:13,806 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:13,806 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:04:13,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-08-29 03:04:13,806 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:13,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:13,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1876884711, now seen corresponding path program 1 times [2021-08-29 03:04:13,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:13,807 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547912023] [2021-08-29 03:04:13,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:13,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:13,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-08-29 03:04:13,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:13,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547912023] [2021-08-29 03:04:13,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547912023] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 03:04:13,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522569046] [2021-08-29 03:04:13,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:13,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:04:13,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:04:13,842 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 03:04:13,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-29 03:04:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:13,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 03:04:13,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:04:14,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-08-29 03:04:14,327 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 03:04:14,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-08-29 03:04:14,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522569046] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 03:04:14,732 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 03:04:14,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-08-29 03:04:14,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529618638] [2021-08-29 03:04:14,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 03:04:14,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:14,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 03:04:14,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 03:04:14,733 INFO L87 Difference]: Start difference. First operand 2414 states and 3316 transitions. Second operand has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 0 states have call successors, (0), 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 03:04:15,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:15,331 INFO L93 Difference]: Finished difference Result 7308 states and 10014 transitions. [2021-08-29 03:04:15,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-29 03:04:15,332 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 0 states have call successors, (0), 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 370 [2021-08-29 03:04:15,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:15,338 INFO L225 Difference]: With dead ends: 7308 [2021-08-29 03:04:15,338 INFO L226 Difference]: Without dead ends: 4745 [2021-08-29 03:04:15,340 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 750 GetRequests, 742 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 18.18ms TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-08-29 03:04:15,341 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 857 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 401.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.24ms SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 514.78ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:15,341 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [857 Valid, 0 Invalid, 1010 Unknown, 0 Unchecked, 2.24ms Time], IncrementalHoareTripleChecker [121 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 514.78ms Time] [2021-08-29 03:04:15,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4745 states. [2021-08-29 03:04:15,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4745 to 2450. [2021-08-29 03:04:15,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2450 states, 2449 states have (on average 1.3544303797468353) internal successors, (3317), 2449 states have internal predecessors, (3317), 0 states have call successors, (0), 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 03:04:15,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2450 states to 2450 states and 3317 transitions. [2021-08-29 03:04:15,386 INFO L78 Accepts]: Start accepts. Automaton has 2450 states and 3317 transitions. Word has length 370 [2021-08-29 03:04:15,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:15,386 INFO L470 AbstractCegarLoop]: Abstraction has 2450 states and 3317 transitions. [2021-08-29 03:04:15,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 0 states have call successors, (0), 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 03:04:15,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 3317 transitions. [2021-08-29 03:04:15,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2021-08-29 03:04:15,389 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:15,390 INFO L513 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 8, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2021-08-29 03:04:15,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-29 03:04:15,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-08-29 03:04:15,608 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:15,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:15,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1628763683, now seen corresponding path program 1 times [2021-08-29 03:04:15,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:15,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438640739] [2021-08-29 03:04:15,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:15,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2015 backedges. 975 proven. 0 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2021-08-29 03:04:15,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:15,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438640739] [2021-08-29 03:04:15,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438640739] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:15,657 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:15,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:15,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243375640] [2021-08-29 03:04:15,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:15,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:15,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:15,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:15,658 INFO L87 Difference]: Start difference. First operand 2450 states and 3317 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 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 03:04:15,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:15,840 INFO L93 Difference]: Finished difference Result 4904 states and 6634 transitions. [2021-08-29 03:04:15,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:15,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 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 438 [2021-08-29 03:04:15,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:15,843 INFO L225 Difference]: With dead ends: 4904 [2021-08-29 03:04:15,843 INFO L226 Difference]: Without dead ends: 2462 [2021-08-29 03:04:15,845 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.98ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:15,845 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 11 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 127.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.33ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 154.11ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:15,846 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 0 Invalid, 402 Unknown, 0 Unchecked, 0.33ms Time], IncrementalHoareTripleChecker [11 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 154.11ms Time] [2021-08-29 03:04:15,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2462 states. [2021-08-29 03:04:15,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2462 to 2450. [2021-08-29 03:04:15,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2450 states, 2449 states have (on average 1.3348305430788077) internal successors, (3269), 2449 states have internal predecessors, (3269), 0 states have call successors, (0), 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 03:04:15,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2450 states to 2450 states and 3269 transitions. [2021-08-29 03:04:15,879 INFO L78 Accepts]: Start accepts. Automaton has 2450 states and 3269 transitions. Word has length 438 [2021-08-29 03:04:15,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:15,880 INFO L470 AbstractCegarLoop]: Abstraction has 2450 states and 3269 transitions. [2021-08-29 03:04:15,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 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 03:04:15,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 3269 transitions. [2021-08-29 03:04:15,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-08-29 03:04:15,883 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:15,884 INFO L513 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 10, 10, 8, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:04:15,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-08-29 03:04:15,884 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:15,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:15,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1752367566, now seen corresponding path program 1 times [2021-08-29 03:04:15,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:15,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520524376] [2021-08-29 03:04:15,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:15,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:15,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2021-08-29 03:04:15,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:15,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520524376] [2021-08-29 03:04:15,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520524376] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:15,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:15,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:15,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979912836] [2021-08-29 03:04:15,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:15,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:15,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:15,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:15,921 INFO L87 Difference]: Start difference. First operand 2450 states and 3269 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 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 03:04:16,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:16,132 INFO L93 Difference]: Finished difference Result 5108 states and 6832 transitions. [2021-08-29 03:04:16,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:16,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 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 470 [2021-08-29 03:04:16,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:16,136 INFO L225 Difference]: With dead ends: 5108 [2021-08-29 03:04:16,136 INFO L226 Difference]: Without dead ends: 2666 [2021-08-29 03:04:16,138 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.97ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:16,138 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 11 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 125.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.36ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 176.65ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:16,139 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 0 Invalid, 407 Unknown, 0 Unchecked, 0.36ms Time], IncrementalHoareTripleChecker [11 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 176.65ms Time] [2021-08-29 03:04:16,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2666 states. [2021-08-29 03:04:16,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2666 to 2654. [2021-08-29 03:04:16,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2654 states, 2653 states have (on average 1.3203920090463626) internal successors, (3503), 2653 states have internal predecessors, (3503), 0 states have call successors, (0), 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 03:04:16,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2654 states and 3503 transitions. [2021-08-29 03:04:16,190 INFO L78 Accepts]: Start accepts. Automaton has 2654 states and 3503 transitions. Word has length 470 [2021-08-29 03:04:16,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:16,191 INFO L470 AbstractCegarLoop]: Abstraction has 2654 states and 3503 transitions. [2021-08-29 03:04:16,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 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 03:04:16,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2654 states and 3503 transitions. [2021-08-29 03:04:16,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2021-08-29 03:04:16,195 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:16,195 INFO L513 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:04:16,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-08-29 03:04:16,196 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:16,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:16,196 INFO L82 PathProgramCache]: Analyzing trace with hash -742298620, now seen corresponding path program 1 times [2021-08-29 03:04:16,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:16,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892444520] [2021-08-29 03:04:16,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:16,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:16,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3103 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2021-08-29 03:04:16,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:16,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892444520] [2021-08-29 03:04:16,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892444520] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:04:16,243 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:04:16,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:04:16,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953657027] [2021-08-29 03:04:16,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:04:16,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:16,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:04:16,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:16,244 INFO L87 Difference]: Start difference. First operand 2654 states and 3503 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 03:04:16,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:16,437 INFO L93 Difference]: Finished difference Result 5528 states and 7324 transitions. [2021-08-29 03:04:16,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:04:16,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 532 [2021-08-29 03:04:16,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:16,441 INFO L225 Difference]: With dead ends: 5528 [2021-08-29 03:04:16,441 INFO L226 Difference]: Without dead ends: 2882 [2021-08-29 03:04:16,443 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.00ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:04:16,443 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 11 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 132.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.42ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 161.21ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:16,443 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 0 Invalid, 411 Unknown, 0 Unchecked, 0.42ms Time], IncrementalHoareTripleChecker [13 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 161.21ms Time] [2021-08-29 03:04:16,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2882 states. [2021-08-29 03:04:16,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2882 to 2870. [2021-08-29 03:04:16,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2870 states, 2869 states have (on average 1.3067270826071802) internal successors, (3749), 2869 states have internal predecessors, (3749), 0 states have call successors, (0), 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 03:04:16,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 3749 transitions. [2021-08-29 03:04:16,504 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 3749 transitions. Word has length 532 [2021-08-29 03:04:16,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:16,505 INFO L470 AbstractCegarLoop]: Abstraction has 2870 states and 3749 transitions. [2021-08-29 03:04:16,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 03:04:16,505 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 3749 transitions. [2021-08-29 03:04:16,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2021-08-29 03:04:16,509 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:04:16,510 INFO L513 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:04:16,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-08-29 03:04:16,510 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:04:16,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:04:16,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1835374162, now seen corresponding path program 1 times [2021-08-29 03:04:16,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:04:16,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408160070] [2021-08-29 03:04:16,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:16,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:04:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:16,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-08-29 03:04:16,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:04:16,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408160070] [2021-08-29 03:04:16,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408160070] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 03:04:16,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309181201] [2021-08-29 03:04:16,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:04:16,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:04:16,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:04:16,585 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 03:04:16,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-29 03:04:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:04:16,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 03:04:16,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:04:17,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-08-29 03:04:17,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 03:04:17,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-08-29 03:04:17,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309181201] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 03:04:17,701 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 03:04:17,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-08-29 03:04:17,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571212878] [2021-08-29 03:04:17,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-29 03:04:17,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:04:17,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-29 03:04:17,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-08-29 03:04:17,702 INFO L87 Difference]: Start difference. First operand 2870 states and 3749 transitions. Second operand has 8 states, 8 states have (on average 41.375) internal successors, (331), 8 states have internal predecessors, (331), 0 states have call successors, (0), 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 03:04:18,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:04:18,149 INFO L93 Difference]: Finished difference Result 5303 states and 6956 transitions. [2021-08-29 03:04:18,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 03:04:18,149 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 41.375) internal successors, (331), 8 states have internal predecessors, (331), 0 states have call successors, (0), 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 598 [2021-08-29 03:04:18,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:04:18,150 INFO L225 Difference]: With dead ends: 5303 [2021-08-29 03:04:18,150 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 03:04:18,153 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1204 GetRequests, 1195 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 19.00ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-08-29 03:04:18,154 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 193 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 1879 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 316.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.46ms SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 383.72ms IncrementalHoareTripleChecker+Time [2021-08-29 03:04:18,154 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 0 Invalid, 1936 Unknown, 0 Unchecked, 2.46ms Time], IncrementalHoareTripleChecker [57 Valid, 1879 Invalid, 0 Unknown, 0 Unchecked, 383.72ms Time] [2021-08-29 03:04:18,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 03:04:18,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 03:04:18,155 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 03:04:18,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 03:04:18,156 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 598 [2021-08-29 03:04:18,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:04:18,156 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 03:04:18,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 41.375) internal successors, (331), 8 states have internal predecessors, (331), 0 states have call successors, (0), 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 03:04:18,156 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 03:04:18,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 03:04:18,158 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 03:04:18,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-29 03:04:18,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:04:18,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 03:04:18,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:18,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:19,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:19,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:19,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:19,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:19,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:19,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:19,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:04:22,765 INFO L858 garLoopResultBuilder]: For program point L663(lines 663 667) no Hoare annotation was computed. [2021-08-29 03:04:22,766 INFO L858 garLoopResultBuilder]: For program point L630(lines 630 639) no Hoare annotation was computed. [2021-08-29 03:04:22,766 INFO L858 garLoopResultBuilder]: For program point L663-2(lines 663 667) no Hoare annotation was computed. [2021-08-29 03:04:22,766 INFO L858 garLoopResultBuilder]: For program point L630-2(lines 629 651) no Hoare annotation was computed. [2021-08-29 03:04:22,766 INFO L854 garLoopResultBuilder]: At program point L399(lines 390 421) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse6 .cse7 .cse8))) [2021-08-29 03:04:22,766 INFO L854 garLoopResultBuilder]: At program point L168(lines 167 606) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse1 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448))) (or (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse2) (and .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse1 .cse2) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse3 .cse1 .cse2))) [2021-08-29 03:04:22,766 INFO L854 garLoopResultBuilder]: At program point L135(lines 128 619) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse7 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9 .cse10))) [2021-08-29 03:04:22,766 INFO L858 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2021-08-29 03:04:22,766 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2021-08-29 03:04:22,766 INFO L858 garLoopResultBuilder]: For program point L632(lines 632 636) no Hoare annotation was computed. [2021-08-29 03:04:22,766 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 407) no Hoare annotation was computed. [2021-08-29 03:04:22,766 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 594) no Hoare annotation was computed. [2021-08-29 03:04:22,766 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 605) no Hoare annotation was computed. [2021-08-29 03:04:22,766 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 616) no Hoare annotation was computed. [2021-08-29 03:04:22,767 INFO L858 garLoopResultBuilder]: For program point L104(lines 104 627) no Hoare annotation was computed. [2021-08-29 03:04:22,767 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 472) no Hoare annotation was computed. [2021-08-29 03:04:22,767 INFO L854 garLoopResultBuilder]: At program point L204(lines 200 595) the Hoare annotation is: (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) [2021-08-29 03:04:22,767 INFO L854 garLoopResultBuilder]: At program point L105(lines 104 627) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) [2021-08-29 03:04:22,767 INFO L858 garLoopResultBuilder]: For program point L503(lines 503 507) no Hoare annotation was computed. [2021-08-29 03:04:22,767 INFO L858 garLoopResultBuilder]: For program point L503-2(lines 211 589) no Hoare annotation was computed. [2021-08-29 03:04:22,767 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 244) no Hoare annotation was computed. [2021-08-29 03:04:22,767 INFO L858 garLoopResultBuilder]: For program point L206(lines 206 593) no Hoare annotation was computed. [2021-08-29 03:04:22,767 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 604) no Hoare annotation was computed. [2021-08-29 03:04:22,767 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 615) no Hoare annotation was computed. [2021-08-29 03:04:22,767 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 626) no Hoare annotation was computed. [2021-08-29 03:04:22,771 INFO L854 garLoopResultBuilder]: At program point L207(lines 206 593) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-08-29 03:04:22,771 INFO L854 garLoopResultBuilder]: At program point L174(lines 170 605) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (< ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9 .cse10) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-08-29 03:04:22,772 INFO L854 garLoopResultBuilder]: At program point L141(lines 137 616) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 .cse2 .cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse8 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-08-29 03:04:22,772 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 83) no Hoare annotation was computed. [2021-08-29 03:04:22,772 INFO L858 garLoopResultBuilder]: For program point L274(lines 274 278) no Hoare annotation was computed. [2021-08-29 03:04:22,772 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 312) no Hoare annotation was computed. [2021-08-29 03:04:22,772 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 211 589) no Hoare annotation was computed. [2021-08-29 03:04:22,772 INFO L858 garLoopResultBuilder]: For program point L176(lines 176 603) no Hoare annotation was computed. [2021-08-29 03:04:22,772 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 614) no Hoare annotation was computed. [2021-08-29 03:04:22,772 INFO L858 garLoopResultBuilder]: For program point L110(lines 110 625) no Hoare annotation was computed. [2021-08-29 03:04:22,772 INFO L858 garLoopResultBuilder]: For program point L573(lines 573 583) no Hoare annotation was computed. [2021-08-29 03:04:22,772 INFO L858 garLoopResultBuilder]: For program point L573-1(lines 573 583) no Hoare annotation was computed. [2021-08-29 03:04:22,772 INFO L858 garLoopResultBuilder]: For program point L441-1(lines 441 453) no Hoare annotation was computed. [2021-08-29 03:04:22,772 INFO L854 garLoopResultBuilder]: At program point L210(lines 209 592) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-08-29 03:04:22,772 INFO L858 garLoopResultBuilder]: For program point L78(lines 78 82) no Hoare annotation was computed. [2021-08-29 03:04:22,772 INFO L858 garLoopResultBuilder]: For program point L78-2(lines 75 83) no Hoare annotation was computed. [2021-08-29 03:04:22,772 INFO L854 garLoopResultBuilder]: At program point L409(lines 400 420) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse6 .cse7 .cse8))) [2021-08-29 03:04:22,772 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 347) no Hoare annotation was computed. [2021-08-29 03:04:22,772 INFO L858 garLoopResultBuilder]: For program point L343-2(lines 211 589) no Hoare annotation was computed. [2021-08-29 03:04:22,773 INFO L861 garLoopResultBuilder]: At program point L674(lines 66 676) the Hoare annotation is: true [2021-08-29 03:04:22,773 INFO L858 garLoopResultBuilder]: For program point L641(lines 641 647) no Hoare annotation was computed. [2021-08-29 03:04:22,773 INFO L858 garLoopResultBuilder]: For program point L542(lines 542 547) no Hoare annotation was computed. [2021-08-29 03:04:22,773 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 602) no Hoare annotation was computed. [2021-08-29 03:04:22,773 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 613) no Hoare annotation was computed. [2021-08-29 03:04:22,773 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 624) no Hoare annotation was computed. [2021-08-29 03:04:22,773 INFO L861 garLoopResultBuilder]: At program point L675(lines 11 677) the Hoare annotation is: true [2021-08-29 03:04:22,773 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 580) no Hoare annotation was computed. [2021-08-29 03:04:22,773 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 449) no Hoare annotation was computed. [2021-08-29 03:04:22,773 INFO L854 garLoopResultBuilder]: At program point L180(lines 176 603) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (< ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9 .cse10) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-08-29 03:04:22,773 INFO L854 garLoopResultBuilder]: At program point L147(lines 143 614) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse7 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9 .cse10))) [2021-08-29 03:04:22,773 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 416) no Hoare annotation was computed. [2021-08-29 03:04:22,773 INFO L854 garLoopResultBuilder]: At program point L214(lines 107 626) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse9 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse7 .cse10))) [2021-08-29 03:04:22,773 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 601) no Hoare annotation was computed. [2021-08-29 03:04:22,773 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 612) no Hoare annotation was computed. [2021-08-29 03:04:22,773 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 623) no Hoare annotation was computed. [2021-08-29 03:04:22,773 INFO L858 garLoopResultBuilder]: For program point L513(lines 513 517) no Hoare annotation was computed. [2021-08-29 03:04:22,773 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 484) no Hoare annotation was computed. [2021-08-29 03:04:22,774 INFO L858 garLoopResultBuilder]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2021-08-29 03:04:22,774 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 93) no Hoare annotation was computed. [2021-08-29 03:04:22,774 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 66 676) no Hoare annotation was computed. [2021-08-29 03:04:22,774 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 03:04:22,774 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 600) no Hoare annotation was computed. [2021-08-29 03:04:22,774 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 611) no Hoare annotation was computed. [2021-08-29 03:04:22,774 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 622) no Hoare annotation was computed. [2021-08-29 03:04:22,774 INFO L858 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-08-29 03:04:22,774 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 382) no Hoare annotation was computed. [2021-08-29 03:04:22,774 INFO L858 garLoopResultBuilder]: For program point L318(lines 318 322) no Hoare annotation was computed. [2021-08-29 03:04:22,774 INFO L858 garLoopResultBuilder]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2021-08-29 03:04:22,774 INFO L858 garLoopResultBuilder]: For program point L219(lines 219 223) no Hoare annotation was computed. [2021-08-29 03:04:22,774 INFO L854 garLoopResultBuilder]: At program point L186(lines 182 601) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (< ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9 .cse10) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-08-29 03:04:22,774 INFO L854 garLoopResultBuilder]: At program point L153(lines 149 612) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse7 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9 .cse10))) [2021-08-29 03:04:22,774 INFO L858 garLoopResultBuilder]: For program point L219-2(lines 211 589) no Hoare annotation was computed. [2021-08-29 03:04:22,774 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 599) no Hoare annotation was computed. [2021-08-29 03:04:22,774 INFO L858 garLoopResultBuilder]: For program point L155(lines 155 610) no Hoare annotation was computed. [2021-08-29 03:04:22,774 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 621) no Hoare annotation was computed. [2021-08-29 03:04:22,774 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 556) no Hoare annotation was computed. [2021-08-29 03:04:22,775 INFO L858 garLoopResultBuilder]: For program point L354(lines 354 381) no Hoare annotation was computed. [2021-08-29 03:04:22,775 INFO L858 garLoopResultBuilder]: For program point L354-1(lines 354 381) no Hoare annotation was computed. [2021-08-29 03:04:22,775 INFO L854 garLoopResultBuilder]: At program point L123(lines 119 622) the Hoare annotation is: (let ((.cse6 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse7 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 .cse2 .cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse5 .cse8 .cse9))) [2021-08-29 03:04:22,775 INFO L854 garLoopResultBuilder]: At program point L553(lines 66 676) the Hoare annotation is: false [2021-08-29 03:04:22,775 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 378) no Hoare annotation was computed. [2021-08-29 03:04:22,775 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 03:04:22,775 INFO L858 garLoopResultBuilder]: For program point L256(lines 256 268) no Hoare annotation was computed. [2021-08-29 03:04:22,775 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 262) no Hoare annotation was computed. [2021-08-29 03:04:22,775 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 598) no Hoare annotation was computed. [2021-08-29 03:04:22,775 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 609) no Hoare annotation was computed. [2021-08-29 03:04:22,775 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 620) no Hoare annotation was computed. [2021-08-29 03:04:22,775 INFO L861 garLoopResultBuilder]: At program point L687(lines 678 689) the Hoare annotation is: true [2021-08-29 03:04:22,775 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 421) no Hoare annotation was computed. [2021-08-29 03:04:22,775 INFO L858 garLoopResultBuilder]: For program point L291(lines 291 295) no Hoare annotation was computed. [2021-08-29 03:04:22,775 INFO L858 garLoopResultBuilder]: For program point L291-2(lines 211 589) no Hoare annotation was computed. [2021-08-29 03:04:22,775 INFO L854 garLoopResultBuilder]: At program point L192(lines 188 599) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (< ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9 .cse10) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-08-29 03:04:22,775 INFO L854 garLoopResultBuilder]: At program point L159(lines 155 610) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse6 .cse7 .cse8))) [2021-08-29 03:04:22,776 INFO L854 garLoopResultBuilder]: At program point L126(lines 125 620) the Hoare annotation is: (and (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) [2021-08-29 03:04:22,776 INFO L858 garLoopResultBuilder]: For program point L523(lines 523 528) no Hoare annotation was computed. [2021-08-29 03:04:22,776 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-08-29 03:04:22,776 INFO L858 garLoopResultBuilder]: For program point L358(lines 358 377) no Hoare annotation was computed. [2021-08-29 03:04:22,776 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 03:04:22,776 INFO L854 garLoopResultBuilder]: At program point L590(lines 101 658) the Hoare annotation is: (let ((.cse3 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse12 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse3 .cse11 .cse12) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse0 .cse8) (and .cse1 .cse2 .cse13) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 .cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) [2021-08-29 03:04:22,776 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 561) no Hoare annotation was computed. [2021-08-29 03:04:22,776 INFO L858 garLoopResultBuilder]: For program point L491(lines 491 495) no Hoare annotation was computed. [2021-08-29 03:04:22,776 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2021-08-29 03:04:22,776 INFO L858 garLoopResultBuilder]: For program point L359-2(lines 358 375) no Hoare annotation was computed. [2021-08-29 03:04:22,776 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 597) no Hoare annotation was computed. [2021-08-29 03:04:22,776 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 608) no Hoare annotation was computed. [2021-08-29 03:04:22,776 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 619) no Hoare annotation was computed. [2021-08-29 03:04:22,776 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 463) no Hoare annotation was computed. [2021-08-29 03:04:22,776 INFO L858 garLoopResultBuilder]: For program point L327-1(lines 327 336) no Hoare annotation was computed. [2021-08-29 03:04:22,776 INFO L861 garLoopResultBuilder]: At program point L659(lines 100 660) the Hoare annotation is: true [2021-08-29 03:04:22,776 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 596) no Hoare annotation was computed. [2021-08-29 03:04:22,776 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 607) no Hoare annotation was computed. [2021-08-29 03:04:22,776 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 618) no Hoare annotation was computed. [2021-08-29 03:04:22,777 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 03:04:22,777 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 670) no Hoare annotation was computed. [2021-08-29 03:04:22,777 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 248) no Hoare annotation was computed. [2021-08-29 03:04:22,777 INFO L854 garLoopResultBuilder]: At program point L198(lines 194 597) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse8 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse10 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse7 .cse8 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-08-29 03:04:22,777 INFO L854 garLoopResultBuilder]: At program point L165(lines 161 608) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse8 .cse10 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-08-29 03:04:22,777 INFO L858 garLoopResultBuilder]: For program point L231-2(lines 211 589) no Hoare annotation was computed. [2021-08-29 03:04:22,777 INFO L858 garLoopResultBuilder]: For program point L628(lines 628 656) no Hoare annotation was computed. [2021-08-29 03:04:22,777 INFO L858 garLoopResultBuilder]: For program point L331(lines 331 335) no Hoare annotation was computed. [2021-08-29 03:04:22,777 INFO L858 garLoopResultBuilder]: For program point L629(lines 629 653) no Hoare annotation was computed. [2021-08-29 03:04:22,777 INFO L858 garLoopResultBuilder]: For program point L563(lines 563 567) no Hoare annotation was computed. [2021-08-29 03:04:22,777 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 534) no Hoare annotation was computed. [2021-08-29 03:04:22,777 INFO L858 garLoopResultBuilder]: For program point L563-2(lines 563 567) no Hoare annotation was computed. [2021-08-29 03:04:22,777 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 475) no Hoare annotation was computed. [2021-08-29 03:04:22,777 INFO L858 garLoopResultBuilder]: For program point L530-2(lines 211 589) no Hoare annotation was computed. [2021-08-29 03:04:22,777 INFO L858 garLoopResultBuilder]: For program point L431(lines 431 435) no Hoare annotation was computed. [2021-08-29 03:04:22,777 INFO L854 garLoopResultBuilder]: At program point L365(lines 348 383) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse7 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9 .cse10))) [2021-08-29 03:04:22,777 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 238) no Hoare annotation was computed. [2021-08-29 03:04:22,777 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 595) no Hoare annotation was computed. [2021-08-29 03:04:22,778 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 606) no Hoare annotation was computed. [2021-08-29 03:04:22,778 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 617) no Hoare annotation was computed. [2021-08-29 03:04:22,778 INFO L854 garLoopResultBuilder]: At program point L101-2(lines 101 658) the Hoare annotation is: (let ((.cse3 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse12 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse3 .cse11 .cse12) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse0 .cse8) (and .cse1 .cse2 .cse13) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 .cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) [2021-08-29 03:04:22,780 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 03:04:22,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:04:22 BoogieIcfgContainer [2021-08-29 03:04:22,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 03:04:22,805 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 03:04:22,805 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 03:04:22,805 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 03:04:22,805 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:04:01" (3/4) ... [2021-08-29 03:04:22,809 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 03:04:22,832 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-29 03:04:22,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-29 03:04:22,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 03:04:22,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 03:04:22,929 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 03:04:22,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 03:04:22,930 INFO L158 Benchmark]: Toolchain (without parser) took 22254.07ms. Allocated memory was 62.9MB in the beginning and 314.6MB in the end (delta: 251.7MB). Free memory was 43.1MB in the beginning and 203.6MB in the end (delta: -160.5MB). Peak memory consumption was 89.8MB. Max. memory is 16.1GB. [2021-08-29 03:04:22,930 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory was 43.9MB in the beginning and 43.8MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 03:04:22,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.41ms. Allocated memory is still 62.9MB. Free memory was 42.9MB in the beginning and 42.7MB in the end (delta: 175.2kB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2021-08-29 03:04:22,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.93ms. Allocated memory is still 62.9MB. Free memory was 42.7MB in the beginning and 39.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 03:04:22,931 INFO L158 Benchmark]: Boogie Preprocessor took 46.83ms. Allocated memory is still 62.9MB. Free memory was 39.9MB in the beginning and 37.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 03:04:22,931 INFO L158 Benchmark]: RCFGBuilder took 489.25ms. Allocated memory is still 62.9MB. Free memory was 37.8MB in the beginning and 33.9MB in the end (delta: 3.9MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2021-08-29 03:04:22,931 INFO L158 Benchmark]: TraceAbstraction took 21256.12ms. Allocated memory was 62.9MB in the beginning and 314.6MB in the end (delta: 251.7MB). Free memory was 33.6MB in the beginning and 215.1MB in the end (delta: -181.5MB). Peak memory consumption was 193.2MB. Max. memory is 16.1GB. [2021-08-29 03:04:22,931 INFO L158 Benchmark]: Witness Printer took 124.82ms. Allocated memory is still 314.6MB. Free memory was 215.1MB in the beginning and 203.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-29 03:04:22,932 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory was 43.9MB in the beginning and 43.8MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.41ms. Allocated memory is still 62.9MB. Free memory was 42.9MB in the beginning and 42.7MB in the end (delta: 175.2kB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.93ms. Allocated memory is still 62.9MB. Free memory was 42.7MB in the beginning and 39.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.83ms. Allocated memory is still 62.9MB. Free memory was 39.9MB in the beginning and 37.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 489.25ms. Allocated memory is still 62.9MB. Free memory was 37.8MB in the beginning and 33.9MB in the end (delta: 3.9MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * TraceAbstraction took 21256.12ms. Allocated memory was 62.9MB in the beginning and 314.6MB in the end (delta: 251.7MB). Free memory was 33.6MB in the beginning and 215.1MB in the end (delta: -181.5MB). Peak memory consumption was 193.2MB. Max. memory is 16.1GB. * Witness Printer took 124.82ms. Allocated memory is still 314.6MB. Free memory was 215.1MB in the beginning and 203.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms 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: 670]: 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, 138 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21182.73ms, OverallIterations: 32, TraceHistogramMax: 19, EmptinessCheckTime: 83.08ms, AutomataDifference: 7795.88ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 4406.12ms, InitialAbstractionConstructionTime: 7.57ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4174 SdHoareTripleChecker+Valid, 6578.60ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4174 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 5086.70ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3187 mSDsCounter, 1011 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12504 IncrementalHoareTripleChecker+Invalid, 13515 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1011 mSolverCounterUnsat, 0 mSDtfsCounter, 12504 mSolverCounterSat, 30.26ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3560 GetRequests, 3513 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 77.64ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=3837occurred in iteration=24, InterpolantAutomatonStates: 106, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 931.99ms AutomataMinimizationTime, 32 MinimizatonAttempts, 2722 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 451 NumberOfFragments, 2775 HoareAnnotationTreeSize, 29 FomulaSimplifications, 64391 FormulaSimplificationTreeSizeReduction, 735.57ms HoareSimplificationTime, 29 FomulaSimplificationsInter, 11315 FormulaSimplificationTreeSizeReductionInter, 3657.07ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 158.44ms SsaConstructionTime, 569.56ms SatisfiabilityAnalysisTime, 4362.60ms InterpolantComputationTime, 7563 NumberOfCodeBlocks, 7563 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 8495 ConstructedInterpolants, 0 QuantifiedInterpolants, 11498 SizeOfPredicates, 2 NumberOfNonLiveVariables, 4312 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 36 InterpolantComputations, 30 PerfectInterpolantSequences, 31060/31216 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: 176]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) && s__state < 8656) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && s__state < 8656) && blastFlag <= 1) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((s__s3__tmp__next_state___0 <= 8576 && 8448 <= s__state) && s__state <= 8448) && blastFlag <= 1) || (((s__s3__tmp__next_state___0 <= 8576 && 2 == blastFlag) && 8448 <= s__state) && s__state <= 8448)) || (((blastFlag <= 3 && !(s__hit == 0)) && 8448 <= s__state) && s__state <= 8448)) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(8560 == s__state)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && 2 == blastFlag) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (8672 <= s__state && blastFlag <= 3) && !(12292 == s__state) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__state == 8545)) && 2 == blastFlag) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__state == 8545)) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8480) && !(s__state == 8672)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((!(s__state == 8480) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((!(s__state == 8480) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((((((blastFlag <= 3 && !(s__hit == 0)) || ((s__state <= 8576 && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8561)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state)) || ((8672 <= s__state && blastFlag <= 3) && s__state <= 8672)) || ((s__state <= 8576 && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 1)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8561)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448)) || s__state <= 3 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((((((blastFlag <= 3 && !(s__hit == 0)) || ((s__state <= 8576 && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8561)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state)) || ((8672 <= s__state && blastFlag <= 3) && s__state <= 8672)) || ((s__state <= 8576 && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 1)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8561)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448)) || s__state <= 3 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (((!(s__state == 8673) && !(s__state == 8672)) && 8672 <= s__state) && blastFlag <= 3) && !(s__hit == 0) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((((((!(8497 == s__state) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) || ((((((((((!(8497 == s__state) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((!(8497 == s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && 2 == blastFlag) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && s__state < 8576) && !(8448 == s__state)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && s__state < 8576) && !(8448 == s__state)) && blastFlag <= 1)) || ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8673)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) && s__state < 8656) || ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && s__state < 8656) && blastFlag <= 1) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) && s__state < 8656) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && s__state < 8656) && blastFlag <= 1) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) && s__state < 8656) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && s__state < 8656) && blastFlag <= 1) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && 2 == blastFlag) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) RESULT: Ultimate proved your program to be correct! [2021-08-29 03:04:23,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...