./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_1a.BV.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b0b2d978b2f3873db9b988022a041d2d18a2f859 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 [2021-08-30 22:46:12,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 22:46:12,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 22:46:12,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 22:46:12,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 22:46:12,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 22:46:12,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 22:46:12,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 22:46:12,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 22:46:12,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 22:46:12,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 22:46:12,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 22:46:12,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 22:46:12,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 22:46:12,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 22:46:12,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 22:46:12,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 22:46:12,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 22:46:12,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 22:46:12,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 22:46:12,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 22:46:12,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 22:46:12,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 22:46:12,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 22:46:12,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 22:46:12,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 22:46:12,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 22:46:12,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 22:46:12,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 22:46:12,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 22:46:12,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 22:46:12,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 22:46:12,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 22:46:12,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 22:46:12,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 22:46:12,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 22:46:12,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 22:46:12,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 22:46:12,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 22:46:12,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 22:46:12,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 22:46:12,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-08-30 22:46:12,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 22:46:12,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 22:46:12,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 22:46:12,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 22:46:12,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 22:46:12,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 22:46:12,237 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 22:46:12,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 22:46:12,237 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-30 22:46:12,237 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 22:46:12,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 22:46:12,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-30 22:46:12,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 22:46:12,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-30 22:46:12,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 22:46:12,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-30 22:46:12,238 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-08-30 22:46:12,238 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-30 22:46:12,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-30 22:46:12,239 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 22:46:12,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-30 22:46:12,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 22:46:12,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 22:46:12,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 22:46:12,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 22:46:12,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 22:46:12,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 22:46:12,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-30 22:46:12,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-30 22:46:12,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-30 22:46:12,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-30 22:46:12,240 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 22:46:12,241 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0b2d978b2f3873db9b988022a041d2d18a2f859 [2021-08-30 22:46:12,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 22:46:12,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 22:46:12,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 22:46:12,457 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 22:46:12,457 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 22:46:12,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2021-08-30 22:46:12,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/480f7178e/f8ddc352499d4ed5a4c7bac237538ef8/FLAG684e00a63 [2021-08-30 22:46:12,844 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 22:46:12,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2021-08-30 22:46:12,863 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/480f7178e/f8ddc352499d4ed5a4c7bac237538ef8/FLAG684e00a63 [2021-08-30 22:46:13,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/480f7178e/f8ddc352499d4ed5a4c7bac237538ef8 [2021-08-30 22:46:13,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 22:46:13,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-30 22:46:13,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 22:46:13,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 22:46:13,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 22:46:13,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:46:13" (1/1) ... [2021-08-30 22:46:13,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb61722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:46:13, skipping insertion in model container [2021-08-30 22:46:13,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:46:13" (1/1) ... [2021-08-30 22:46:13,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 22:46:13,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 22:46:13,395 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_1a.BV.c.cil.c[44644,44657] [2021-08-30 22:46:13,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 22:46:13,404 INFO L203 MainTranslator]: Completed pre-run [2021-08-30 22:46:13,488 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_1a.BV.c.cil.c[44644,44657] [2021-08-30 22:46:13,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 22:46:13,498 INFO L208 MainTranslator]: Completed translation [2021-08-30 22:46:13,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:46:13 WrapperNode [2021-08-30 22:46:13,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 22:46:13,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-30 22:46:13,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-30 22:46:13,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-30 22:46:13,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:46:13" (1/1) ... [2021-08-30 22:46:13,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:46:13" (1/1) ... [2021-08-30 22:46:13,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-30 22:46:13,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-30 22:46:13,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-30 22:46:13,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-30 22:46:13,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:46:13" (1/1) ... [2021-08-30 22:46:13,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:46:13" (1/1) ... [2021-08-30 22:46:13,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:46:13" (1/1) ... [2021-08-30 22:46:13,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:46:13" (1/1) ... [2021-08-30 22:46:13,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:46:13" (1/1) ... [2021-08-30 22:46:13,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:46:13" (1/1) ... [2021-08-30 22:46:13,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:46:13" (1/1) ... [2021-08-30 22:46:13,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-30 22:46:13,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-30 22:46:13,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-30 22:46:13,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-30 22:46:13,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:46:13" (1/1) ... [2021-08-30 22:46:13,599 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 22:46:13,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 22:46:13,615 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) [2021-08-30 22:46:13,631 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 [2021-08-30 22:46:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-30 22:46:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-30 22:46:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-30 22:46:13,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-30 22:46:13,705 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-30 22:46:13,897 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-08-30 22:46:13,898 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-08-30 22:46:13,903 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-30 22:46:13,903 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-30 22:46:13,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:46:13 BoogieIcfgContainer [2021-08-30 22:46:13,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-30 22:46:13,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-30 22:46:13,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-30 22:46:13,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-30 22:46:13,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:46:13" (1/3) ... [2021-08-30 22:46:13,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e09e5fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:46:13, skipping insertion in model container [2021-08-30 22:46:13,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:46:13" (2/3) ... [2021-08-30 22:46:13,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e09e5fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:46:13, skipping insertion in model container [2021-08-30 22:46:13,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:46:13" (3/3) ... [2021-08-30 22:46:13,909 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.BV.c.cil.c [2021-08-30 22:46:13,912 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-30 22:46:13,913 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-08-30 22:46:13,943 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-30 22:46:13,947 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 [2021-08-30 22:46:13,947 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-30 22:46:13,959 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 142 states have (on average 1.732394366197183) internal successors, (246), 146 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:13,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-30 22:46:13,963 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:13,964 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:13,964 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:13,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:13,968 INFO L82 PathProgramCache]: Analyzing trace with hash -580333898, now seen corresponding path program 1 times [2021-08-30 22:46:13,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:13,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408677196] [2021-08-30 22:46:13,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:13,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:14,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 22:46:14,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:14,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408677196] [2021-08-30 22:46:14,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408677196] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:14,187 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:14,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:14,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089364335] [2021-08-30 22:46:14,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:14,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:14,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:14,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:14,214 INFO L87 Difference]: Start difference. First operand has 147 states, 142 states have (on average 1.732394366197183) internal successors, (246), 146 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:14,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:14,513 INFO L93 Difference]: Finished difference Result 312 states and 520 transitions. [2021-08-30 22:46:14,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:14,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-08-30 22:46:14,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:14,521 INFO L225 Difference]: With dead ends: 312 [2021-08-30 22:46:14,521 INFO L226 Difference]: Without dead ends: 150 [2021-08-30 22:46:14,523 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.78ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:14,525 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 205 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 193.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.13ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 254.53ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:14,534 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 0 Invalid, 312 Unknown, 0 Unchecked, 8.13ms Time], IncrementalHoareTripleChecker [26 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 254.53ms Time] [2021-08-30 22:46:14,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2021-08-30 22:46:14,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2021-08-30 22:46:14,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 146 states have (on average 1.5410958904109588) internal successors, (225), 149 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:14,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 225 transitions. [2021-08-30 22:46:14,583 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 225 transitions. Word has length 18 [2021-08-30 22:46:14,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:14,583 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 225 transitions. [2021-08-30 22:46:14,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:14,584 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 225 transitions. [2021-08-30 22:46:14,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-30 22:46:14,584 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:14,584 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:14,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-30 22:46:14,585 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:14,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:14,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1061870123, now seen corresponding path program 1 times [2021-08-30 22:46:14,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:14,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256511444] [2021-08-30 22:46:14,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:14,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:14,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 22:46:14,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:14,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256511444] [2021-08-30 22:46:14,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256511444] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:14,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:14,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:14,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653154487] [2021-08-30 22:46:14,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:14,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:14,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:14,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:14,637 INFO L87 Difference]: Start difference. First operand 150 states and 225 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:14,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:14,857 INFO L93 Difference]: Finished difference Result 302 states and 451 transitions. [2021-08-30 22:46:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:14,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2021-08-30 22:46:14,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:14,865 INFO L225 Difference]: With dead ends: 302 [2021-08-30 22:46:14,865 INFO L226 Difference]: Without dead ends: 160 [2021-08-30 22:46:14,868 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.31ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:14,869 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 165 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 128.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.52ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 168.41ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:14,870 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 0 Invalid, 254 Unknown, 0 Unchecked, 2.52ms Time], IncrementalHoareTripleChecker [26 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 168.41ms Time] [2021-08-30 22:46:14,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-08-30 22:46:14,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 151. [2021-08-30 22:46:14,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 147 states have (on average 1.5374149659863945) internal successors, (226), 150 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:14,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 226 transitions. [2021-08-30 22:46:14,883 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 226 transitions. Word has length 19 [2021-08-30 22:46:14,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:14,883 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 226 transitions. [2021-08-30 22:46:14,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:14,883 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 226 transitions. [2021-08-30 22:46:14,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-30 22:46:14,884 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:14,884 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] [2021-08-30 22:46:14,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-30 22:46:14,884 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:14,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:14,885 INFO L82 PathProgramCache]: Analyzing trace with hash 323589326, now seen corresponding path program 1 times [2021-08-30 22:46:14,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:14,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924492192] [2021-08-30 22:46:14,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:14,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:14,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 22:46:14,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:14,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924492192] [2021-08-30 22:46:14,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924492192] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:14,927 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:14,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:14,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505421570] [2021-08-30 22:46:14,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:14,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:14,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:14,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:14,929 INFO L87 Difference]: Start difference. First operand 151 states and 226 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:15,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:15,099 INFO L93 Difference]: Finished difference Result 304 states and 453 transitions. [2021-08-30 22:46:15,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:15,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2021-08-30 22:46:15,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:15,100 INFO L225 Difference]: With dead ends: 304 [2021-08-30 22:46:15,101 INFO L226 Difference]: Without dead ends: 161 [2021-08-30 22:46:15,102 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 [2021-08-30 22:46:15,106 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 163 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 114.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.98ms SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 156.49ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:15,108 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 0 Invalid, 256 Unknown, 0 Unchecked, 0.98ms Time], IncrementalHoareTripleChecker [27 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 156.49ms Time] [2021-08-30 22:46:15,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-08-30 22:46:15,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 152. [2021-08-30 22:46:15,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 148 states have (on average 1.5337837837837838) internal successors, (227), 151 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:15,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 227 transitions. [2021-08-30 22:46:15,124 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 227 transitions. Word has length 20 [2021-08-30 22:46:15,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:15,124 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 227 transitions. [2021-08-30 22:46:15,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:15,124 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 227 transitions. [2021-08-30 22:46:15,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-30 22:46:15,125 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:15,125 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] [2021-08-30 22:46:15,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-30 22:46:15,126 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:15,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:15,126 INFO L82 PathProgramCache]: Analyzing trace with hash -659408240, now seen corresponding path program 1 times [2021-08-30 22:46:15,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:15,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212230524] [2021-08-30 22:46:15,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:15,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:15,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 22:46:15,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:15,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212230524] [2021-08-30 22:46:15,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212230524] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:15,174 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:15,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:15,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512004134] [2021-08-30 22:46:15,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:15,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:15,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:15,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:15,178 INFO L87 Difference]: Start difference. First operand 152 states and 227 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:15,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:15,365 INFO L93 Difference]: Finished difference Result 306 states and 455 transitions. [2021-08-30 22:46:15,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:15,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2021-08-30 22:46:15,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:15,368 INFO L225 Difference]: With dead ends: 306 [2021-08-30 22:46:15,368 INFO L226 Difference]: Without dead ends: 162 [2021-08-30 22:46:15,368 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.35ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:15,369 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 161 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 131.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.45ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 173.26ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:15,369 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 0 Invalid, 258 Unknown, 0 Unchecked, 1.45ms Time], IncrementalHoareTripleChecker [28 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 173.26ms Time] [2021-08-30 22:46:15,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-08-30 22:46:15,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 153. [2021-08-30 22:46:15,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 149 states have (on average 1.5302013422818792) internal successors, (228), 152 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:15,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 228 transitions. [2021-08-30 22:46:15,376 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 228 transitions. Word has length 21 [2021-08-30 22:46:15,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:15,376 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 228 transitions. [2021-08-30 22:46:15,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:15,376 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 228 transitions. [2021-08-30 22:46:15,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-30 22:46:15,380 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:15,380 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] [2021-08-30 22:46:15,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-30 22:46:15,380 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:15,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:15,380 INFO L82 PathProgramCache]: Analyzing trace with hash -2050129239, now seen corresponding path program 1 times [2021-08-30 22:46:15,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:15,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906972537] [2021-08-30 22:46:15,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:15,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:15,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 22:46:15,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:15,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906972537] [2021-08-30 22:46:15,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906972537] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:15,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:15,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:15,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241884660] [2021-08-30 22:46:15,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:15,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:15,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:15,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:15,425 INFO L87 Difference]: Start difference. First operand 153 states and 228 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:15,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:15,588 INFO L93 Difference]: Finished difference Result 308 states and 457 transitions. [2021-08-30 22:46:15,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:15,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-08-30 22:46:15,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:15,589 INFO L225 Difference]: With dead ends: 308 [2021-08-30 22:46:15,589 INFO L226 Difference]: Without dead ends: 163 [2021-08-30 22:46:15,589 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.32ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:15,590 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 159 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 119.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.28ms SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 152.45ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:15,590 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 0 Invalid, 260 Unknown, 0 Unchecked, 1.28ms Time], IncrementalHoareTripleChecker [29 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 152.45ms Time] [2021-08-30 22:46:15,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-08-30 22:46:15,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 154. [2021-08-30 22:46:15,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 150 states have (on average 1.5266666666666666) internal successors, (229), 153 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:15,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 229 transitions. [2021-08-30 22:46:15,596 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 229 transitions. Word has length 22 [2021-08-30 22:46:15,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:15,596 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 229 transitions. [2021-08-30 22:46:15,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:15,597 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 229 transitions. [2021-08-30 22:46:15,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-08-30 22:46:15,598 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:15,598 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-08-30 22:46:15,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-30 22:46:15,598 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:15,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:15,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1990190120, now seen corresponding path program 1 times [2021-08-30 22:46:15,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:15,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365026692] [2021-08-30 22:46:15,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:15,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:15,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 22:46:15,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:15,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365026692] [2021-08-30 22:46:15,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365026692] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:15,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:15,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:15,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351839577] [2021-08-30 22:46:15,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:15,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:15,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:15,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:15,634 INFO L87 Difference]: Start difference. First operand 154 states and 229 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:15,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:15,806 INFO L93 Difference]: Finished difference Result 331 states and 499 transitions. [2021-08-30 22:46:15,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:15,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2021-08-30 22:46:15,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:15,808 INFO L225 Difference]: With dead ends: 331 [2021-08-30 22:46:15,808 INFO L226 Difference]: Without dead ends: 185 [2021-08-30 22:46:15,808 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 [2021-08-30 22:46:15,810 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 134 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 127.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.78ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 160.98ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:15,811 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 0 Invalid, 302 Unknown, 0 Unchecked, 0.78ms Time], IncrementalHoareTripleChecker [41 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 160.98ms Time] [2021-08-30 22:46:15,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-08-30 22:46:15,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2021-08-30 22:46:15,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 181 states have (on average 1.5524861878453038) internal successors, (281), 184 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:15,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 281 transitions. [2021-08-30 22:46:15,822 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 281 transitions. Word has length 47 [2021-08-30 22:46:15,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:15,822 INFO L470 AbstractCegarLoop]: Abstraction has 185 states and 281 transitions. [2021-08-30 22:46:15,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:15,822 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 281 transitions. [2021-08-30 22:46:15,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-08-30 22:46:15,828 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:15,828 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:15,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-30 22:46:15,828 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:15,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:15,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1367947310, now seen corresponding path program 1 times [2021-08-30 22:46:15,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:15,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194033129] [2021-08-30 22:46:15,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:15,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:15,884 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-30 22:46:15,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:15,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194033129] [2021-08-30 22:46:15,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194033129] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:15,886 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:15,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:15,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584143097] [2021-08-30 22:46:15,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:15,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:15,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:15,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:15,887 INFO L87 Difference]: Start difference. First operand 185 states and 281 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:16,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:16,071 INFO L93 Difference]: Finished difference Result 380 states and 575 transitions. [2021-08-30 22:46:16,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:16,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 59 [2021-08-30 22:46:16,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:16,073 INFO L225 Difference]: With dead ends: 380 [2021-08-30 22:46:16,073 INFO L226 Difference]: Without dead ends: 203 [2021-08-30 22:46:16,073 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.20ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:16,074 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 157 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 134.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.70ms SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 173.69ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:16,074 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 0 Invalid, 253 Unknown, 0 Unchecked, 0.70ms Time], IncrementalHoareTripleChecker [29 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 173.69ms Time] [2021-08-30 22:46:16,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-08-30 22:46:16,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 201. [2021-08-30 22:46:16,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 197 states have (on average 1.532994923857868) internal successors, (302), 200 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:16,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 302 transitions. [2021-08-30 22:46:16,082 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 302 transitions. Word has length 59 [2021-08-30 22:46:16,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:16,083 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 302 transitions. [2021-08-30 22:46:16,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 302 transitions. [2021-08-30 22:46:16,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-08-30 22:46:16,085 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:16,086 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-08-30 22:46:16,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-30 22:46:16,088 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:16,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:16,092 INFO L82 PathProgramCache]: Analyzing trace with hash -2136164213, now seen corresponding path program 1 times [2021-08-30 22:46:16,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:16,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390469605] [2021-08-30 22:46:16,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:16,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-30 22:46:16,130 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:16,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390469605] [2021-08-30 22:46:16,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390469605] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:16,131 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:16,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:16,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263593037] [2021-08-30 22:46:16,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:16,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:16,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:16,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:16,133 INFO L87 Difference]: Start difference. First operand 201 states and 302 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:16,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:16,281 INFO L93 Difference]: Finished difference Result 397 states and 596 transitions. [2021-08-30 22:46:16,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:16,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 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 60 [2021-08-30 22:46:16,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:16,283 INFO L225 Difference]: With dead ends: 397 [2021-08-30 22:46:16,283 INFO L226 Difference]: Without dead ends: 204 [2021-08-30 22:46:16,283 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.13ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:16,284 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 155 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 104.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.62ms SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 137.63ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:16,284 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 0 Invalid, 256 Unknown, 0 Unchecked, 0.62ms Time], IncrementalHoareTripleChecker [31 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 137.63ms Time] [2021-08-30 22:46:16,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-08-30 22:46:16,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 202. [2021-08-30 22:46:16,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 198 states have (on average 1.5252525252525253) internal successors, (302), 201 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:16,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 302 transitions. [2021-08-30 22:46:16,291 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 302 transitions. Word has length 60 [2021-08-30 22:46:16,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:16,291 INFO L470 AbstractCegarLoop]: Abstraction has 202 states and 302 transitions. [2021-08-30 22:46:16,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:16,292 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 302 transitions. [2021-08-30 22:46:16,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-08-30 22:46:16,292 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:16,292 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:16,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-30 22:46:16,293 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:16,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:16,293 INFO L82 PathProgramCache]: Analyzing trace with hash -956503025, now seen corresponding path program 1 times [2021-08-30 22:46:16,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:16,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671530075] [2021-08-30 22:46:16,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:16,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:16,321 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-30 22:46:16,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:16,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671530075] [2021-08-30 22:46:16,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671530075] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:16,321 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:16,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:16,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984221183] [2021-08-30 22:46:16,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:16,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:16,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:16,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:16,323 INFO L87 Difference]: Start difference. First operand 202 states and 302 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:16,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:16,504 INFO L93 Difference]: Finished difference Result 440 states and 667 transitions. [2021-08-30 22:46:16,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:16,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 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 73 [2021-08-30 22:46:16,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:16,506 INFO L225 Difference]: With dead ends: 440 [2021-08-30 22:46:16,506 INFO L226 Difference]: Without dead ends: 246 [2021-08-30 22:46:16,506 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.36ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:16,506 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 141 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 135.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.71ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 169.76ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:16,507 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 0 Invalid, 282 Unknown, 0 Unchecked, 0.71ms Time], IncrementalHoareTripleChecker [41 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 169.76ms Time] [2021-08-30 22:46:16,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-08-30 22:46:16,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 244. [2021-08-30 22:46:16,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 240 states have (on average 1.5541666666666667) internal successors, (373), 243 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:16,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 373 transitions. [2021-08-30 22:46:16,519 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 373 transitions. Word has length 73 [2021-08-30 22:46:16,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:16,519 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 373 transitions. [2021-08-30 22:46:16,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:16,519 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 373 transitions. [2021-08-30 22:46:16,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-08-30 22:46:16,520 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:16,520 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:16,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-30 22:46:16,520 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:16,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:16,521 INFO L82 PathProgramCache]: Analyzing trace with hash 603125704, now seen corresponding path program 1 times [2021-08-30 22:46:16,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:16,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626907428] [2021-08-30 22:46:16,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:16,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:16,542 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-30 22:46:16,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:16,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626907428] [2021-08-30 22:46:16,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626907428] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:16,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:16,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:16,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896628404] [2021-08-30 22:46:16,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:16,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:16,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:16,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:16,544 INFO L87 Difference]: Start difference. First operand 244 states and 373 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:16,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:16,720 INFO L93 Difference]: Finished difference Result 514 states and 789 transitions. [2021-08-30 22:46:16,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:16,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 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 74 [2021-08-30 22:46:16,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:16,722 INFO L225 Difference]: With dead ends: 514 [2021-08-30 22:46:16,722 INFO L226 Difference]: Without dead ends: 278 [2021-08-30 22:46:16,722 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 [2021-08-30 22:46:16,723 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 143 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 128.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.63ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 164.93ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:16,723 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 0 Invalid, 288 Unknown, 0 Unchecked, 0.63ms Time], IncrementalHoareTripleChecker [44 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 164.93ms Time] [2021-08-30 22:46:16,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-08-30 22:46:16,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 271. [2021-08-30 22:46:16,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 267 states have (on average 1.546816479400749) internal successors, (413), 270 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:16,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 413 transitions. [2021-08-30 22:46:16,729 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 413 transitions. Word has length 74 [2021-08-30 22:46:16,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:16,729 INFO L470 AbstractCegarLoop]: Abstraction has 271 states and 413 transitions. [2021-08-30 22:46:16,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:16,730 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 413 transitions. [2021-08-30 22:46:16,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-08-30 22:46:16,730 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:16,730 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-08-30 22:46:16,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-30 22:46:16,731 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:16,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:16,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1649015640, now seen corresponding path program 1 times [2021-08-30 22:46:16,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:16,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548779274] [2021-08-30 22:46:16,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:16,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:16,767 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-30 22:46:16,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:16,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548779274] [2021-08-30 22:46:16,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548779274] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:16,767 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:16,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:16,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657967288] [2021-08-30 22:46:16,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:16,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:16,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:16,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:16,769 INFO L87 Difference]: Start difference. First operand 271 states and 413 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:16,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:16,932 INFO L93 Difference]: Finished difference Result 537 states and 818 transitions. [2021-08-30 22:46:16,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:16,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 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 74 [2021-08-30 22:46:16,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:16,934 INFO L225 Difference]: With dead ends: 537 [2021-08-30 22:46:16,934 INFO L226 Difference]: Without dead ends: 274 [2021-08-30 22:46:16,935 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.21ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:16,936 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 140 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 112.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.61ms SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 151.02ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:16,936 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 0 Invalid, 284 Unknown, 0 Unchecked, 0.61ms Time], IncrementalHoareTripleChecker [45 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 151.02ms Time] [2021-08-30 22:46:16,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2021-08-30 22:46:16,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 272. [2021-08-30 22:46:16,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 268 states have (on average 1.541044776119403) internal successors, (413), 271 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:16,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 413 transitions. [2021-08-30 22:46:16,947 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 413 transitions. Word has length 74 [2021-08-30 22:46:16,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:16,947 INFO L470 AbstractCegarLoop]: Abstraction has 272 states and 413 transitions. [2021-08-30 22:46:16,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:16,948 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 413 transitions. [2021-08-30 22:46:16,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-08-30 22:46:16,948 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:16,948 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2021-08-30 22:46:16,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-30 22:46:16,949 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:16,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:16,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1207629393, now seen corresponding path program 1 times [2021-08-30 22:46:16,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:16,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198630674] [2021-08-30 22:46:16,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:16,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:16,999 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-30 22:46:17,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:17,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198630674] [2021-08-30 22:46:17,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198630674] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:17,000 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:17,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:17,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826379633] [2021-08-30 22:46:17,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:17,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:17,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:17,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:17,001 INFO L87 Difference]: Start difference. First operand 272 states and 413 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) [2021-08-30 22:46:17,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:17,172 INFO L93 Difference]: Finished difference Result 543 states and 826 transitions. [2021-08-30 22:46:17,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:17,172 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 75 [2021-08-30 22:46:17,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:17,174 INFO L225 Difference]: With dead ends: 543 [2021-08-30 22:46:17,174 INFO L226 Difference]: Without dead ends: 279 [2021-08-30 22:46:17,175 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.19ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:17,176 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 142 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 124.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.64ms SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 157.60ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:17,176 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 0 Invalid, 290 Unknown, 0 Unchecked, 0.64ms Time], IncrementalHoareTripleChecker [46 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 157.60ms Time] [2021-08-30 22:46:17,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2021-08-30 22:46:17,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 272. [2021-08-30 22:46:17,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 268 states have (on average 1.5298507462686568) internal successors, (410), 271 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:17,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 410 transitions. [2021-08-30 22:46:17,185 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 410 transitions. Word has length 75 [2021-08-30 22:46:17,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:17,185 INFO L470 AbstractCegarLoop]: Abstraction has 272 states and 410 transitions. [2021-08-30 22:46:17,185 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) [2021-08-30 22:46:17,185 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 410 transitions. [2021-08-30 22:46:17,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-08-30 22:46:17,189 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:17,189 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:17,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-30 22:46:17,190 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:17,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:17,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1576887455, now seen corresponding path program 1 times [2021-08-30 22:46:17,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:17,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552006636] [2021-08-30 22:46:17,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:17,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:17,224 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-30 22:46:17,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:17,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552006636] [2021-08-30 22:46:17,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552006636] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:17,224 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:17,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:17,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146827670] [2021-08-30 22:46:17,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:17,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:17,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:17,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:17,226 INFO L87 Difference]: Start difference. First operand 272 states and 410 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:17,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:17,405 INFO L93 Difference]: Finished difference Result 583 states and 882 transitions. [2021-08-30 22:46:17,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:17,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 90 [2021-08-30 22:46:17,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:17,407 INFO L225 Difference]: With dead ends: 583 [2021-08-30 22:46:17,407 INFO L226 Difference]: Without dead ends: 319 [2021-08-30 22:46:17,407 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.49ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:17,408 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 125 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 130.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.92ms SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 165.71ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:17,408 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 0 Invalid, 311 Unknown, 0 Unchecked, 0.92ms Time], IncrementalHoareTripleChecker [56 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 165.71ms Time] [2021-08-30 22:46:17,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-08-30 22:46:17,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 315. [2021-08-30 22:46:17,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 311 states have (on average 1.540192926045016) internal successors, (479), 314 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:17,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 479 transitions. [2021-08-30 22:46:17,423 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 479 transitions. Word has length 90 [2021-08-30 22:46:17,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:17,424 INFO L470 AbstractCegarLoop]: Abstraction has 315 states and 479 transitions. [2021-08-30 22:46:17,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:17,425 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 479 transitions. [2021-08-30 22:46:17,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-08-30 22:46:17,425 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:17,425 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:17,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-30 22:46:17,426 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:17,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:17,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1659002301, now seen corresponding path program 1 times [2021-08-30 22:46:17,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:17,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326339281] [2021-08-30 22:46:17,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:17,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:17,456 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-30 22:46:17,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:17,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326339281] [2021-08-30 22:46:17,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326339281] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:17,456 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:17,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:17,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822851555] [2021-08-30 22:46:17,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:17,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:17,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:17,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:17,458 INFO L87 Difference]: Start difference. First operand 315 states and 479 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:17,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:17,631 INFO L93 Difference]: Finished difference Result 638 states and 973 transitions. [2021-08-30 22:46:17,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:17,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 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 91 [2021-08-30 22:46:17,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:17,632 INFO L225 Difference]: With dead ends: 638 [2021-08-30 22:46:17,632 INFO L226 Difference]: Without dead ends: 329 [2021-08-30 22:46:17,633 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.52ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:17,633 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 125 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 123.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.56ms SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 157.19ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:17,633 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 0 Invalid, 311 Unknown, 0 Unchecked, 0.56ms Time], IncrementalHoareTripleChecker [57 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 157.19ms Time] [2021-08-30 22:46:17,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2021-08-30 22:46:17,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 325. [2021-08-30 22:46:17,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 321 states have (on average 1.5514018691588785) internal successors, (498), 324 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:17,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 498 transitions. [2021-08-30 22:46:17,641 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 498 transitions. Word has length 91 [2021-08-30 22:46:17,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:17,642 INFO L470 AbstractCegarLoop]: Abstraction has 325 states and 498 transitions. [2021-08-30 22:46:17,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:17,642 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 498 transitions. [2021-08-30 22:46:17,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-08-30 22:46:17,643 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:17,643 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:17,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-30 22:46:17,643 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:17,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:17,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1994556924, now seen corresponding path program 1 times [2021-08-30 22:46:17,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:17,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785842542] [2021-08-30 22:46:17,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:17,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:17,664 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-08-30 22:46:17,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:17,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785842542] [2021-08-30 22:46:17,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785842542] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:17,666 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:17,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:17,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798602376] [2021-08-30 22:46:17,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:17,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:17,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:17,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:17,668 INFO L87 Difference]: Start difference. First operand 325 states and 498 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) [2021-08-30 22:46:17,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:17,828 INFO L93 Difference]: Finished difference Result 679 states and 1043 transitions. [2021-08-30 22:46:17,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:17,828 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 [2021-08-30 22:46:17,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:17,829 INFO L225 Difference]: With dead ends: 679 [2021-08-30 22:46:17,829 INFO L226 Difference]: Without dead ends: 362 [2021-08-30 22:46:17,831 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.19ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:17,831 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 145 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 115.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.54ms SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 146.64ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:17,831 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 0 Invalid, 292 Unknown, 0 Unchecked, 0.54ms Time], IncrementalHoareTripleChecker [39 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 146.64ms Time] [2021-08-30 22:46:17,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-08-30 22:46:17,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 350. [2021-08-30 22:46:17,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 346 states have (on average 1.5375722543352601) internal successors, (532), 349 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:17,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 532 transitions. [2021-08-30 22:46:17,840 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 532 transitions. Word has length 100 [2021-08-30 22:46:17,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:17,840 INFO L470 AbstractCegarLoop]: Abstraction has 350 states and 532 transitions. [2021-08-30 22:46:17,840 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) [2021-08-30 22:46:17,840 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 532 transitions. [2021-08-30 22:46:17,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-08-30 22:46:17,841 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:17,841 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:17,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-30 22:46:17,841 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:17,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:17,842 INFO L82 PathProgramCache]: Analyzing trace with hash 98352259, now seen corresponding path program 1 times [2021-08-30 22:46:17,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:17,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433287063] [2021-08-30 22:46:17,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:17,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:17,874 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-08-30 22:46:17,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:17,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433287063] [2021-08-30 22:46:17,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433287063] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:17,875 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:17,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:17,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548517364] [2021-08-30 22:46:17,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:17,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:17,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:17,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:17,877 INFO L87 Difference]: Start difference. First operand 350 states and 532 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:18,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:18,039 INFO L93 Difference]: Finished difference Result 704 states and 1072 transitions. [2021-08-30 22:46:18,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:18,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 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 101 [2021-08-30 22:46:18,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:18,041 INFO L225 Difference]: With dead ends: 704 [2021-08-30 22:46:18,041 INFO L226 Difference]: Without dead ends: 362 [2021-08-30 22:46:18,042 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.14ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:18,042 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 144 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 117.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.50ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 149.65ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:18,042 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 0 Invalid, 294 Unknown, 0 Unchecked, 0.50ms Time], IncrementalHoareTripleChecker [41 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 149.65ms Time] [2021-08-30 22:46:18,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-08-30 22:46:18,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 350. [2021-08-30 22:46:18,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 346 states have (on average 1.523121387283237) internal successors, (527), 349 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:18,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 527 transitions. [2021-08-30 22:46:18,051 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 527 transitions. Word has length 101 [2021-08-30 22:46:18,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:18,051 INFO L470 AbstractCegarLoop]: Abstraction has 350 states and 527 transitions. [2021-08-30 22:46:18,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:18,051 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 527 transitions. [2021-08-30 22:46:18,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-08-30 22:46:18,052 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:18,052 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:18,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-30 22:46:18,052 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:18,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:18,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1920296106, now seen corresponding path program 1 times [2021-08-30 22:46:18,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:18,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903182885] [2021-08-30 22:46:18,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:18,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:18,068 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-08-30 22:46:18,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:18,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903182885] [2021-08-30 22:46:18,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903182885] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:18,069 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:18,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:18,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585568694] [2021-08-30 22:46:18,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:18,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:18,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:18,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:18,070 INFO L87 Difference]: Start difference. First operand 350 states and 527 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:18,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:18,223 INFO L93 Difference]: Finished difference Result 719 states and 1082 transitions. [2021-08-30 22:46:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:18,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 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 120 [2021-08-30 22:46:18,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:18,225 INFO L225 Difference]: With dead ends: 719 [2021-08-30 22:46:18,225 INFO L226 Difference]: Without dead ends: 377 [2021-08-30 22:46:18,226 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.14ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:18,226 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 147 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 108.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.57ms SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 139.74ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:18,226 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 0 Invalid, 273 Unknown, 0 Unchecked, 0.57ms Time], IncrementalHoareTripleChecker [37 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 139.74ms Time] [2021-08-30 22:46:18,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-08-30 22:46:18,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 374. [2021-08-30 22:46:18,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 370 states have (on average 1.5054054054054054) internal successors, (557), 373 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:18,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 557 transitions. [2021-08-30 22:46:18,234 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 557 transitions. Word has length 120 [2021-08-30 22:46:18,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:18,235 INFO L470 AbstractCegarLoop]: Abstraction has 374 states and 557 transitions. [2021-08-30 22:46:18,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:18,235 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 557 transitions. [2021-08-30 22:46:18,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-08-30 22:46:18,236 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:18,236 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:18,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-30 22:46:18,236 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:18,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:18,236 INFO L82 PathProgramCache]: Analyzing trace with hash -698248943, now seen corresponding path program 1 times [2021-08-30 22:46:18,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:18,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137213844] [2021-08-30 22:46:18,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:18,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:18,251 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-08-30 22:46:18,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:18,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137213844] [2021-08-30 22:46:18,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137213844] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:18,252 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:18,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:18,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093264628] [2021-08-30 22:46:18,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:18,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:18,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:18,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:18,253 INFO L87 Difference]: Start difference. First operand 374 states and 557 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:18,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:18,411 INFO L93 Difference]: Finished difference Result 743 states and 1106 transitions. [2021-08-30 22:46:18,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:18,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 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 [2021-08-30 22:46:18,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:18,413 INFO L225 Difference]: With dead ends: 743 [2021-08-30 22:46:18,413 INFO L226 Difference]: Without dead ends: 377 [2021-08-30 22:46:18,414 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.11ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:18,414 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 146 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 118.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.52ms SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 145.90ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:18,414 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 0 Invalid, 274 Unknown, 0 Unchecked, 0.52ms Time], IncrementalHoareTripleChecker [39 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 145.90ms Time] [2021-08-30 22:46:18,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-08-30 22:46:18,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 374. [2021-08-30 22:46:18,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 370 states have (on average 1.4891891891891893) internal successors, (551), 373 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:18,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 551 transitions. [2021-08-30 22:46:18,422 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 551 transitions. Word has length 121 [2021-08-30 22:46:18,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:18,422 INFO L470 AbstractCegarLoop]: Abstraction has 374 states and 551 transitions. [2021-08-30 22:46:18,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:18,423 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 551 transitions. [2021-08-30 22:46:18,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-08-30 22:46:18,424 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:18,424 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:18,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-30 22:46:18,424 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:18,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:18,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1095545664, now seen corresponding path program 1 times [2021-08-30 22:46:18,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:18,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852967021] [2021-08-30 22:46:18,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:18,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:18,441 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-08-30 22:46:18,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:18,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852967021] [2021-08-30 22:46:18,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852967021] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:18,442 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:18,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:18,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174075995] [2021-08-30 22:46:18,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:18,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:18,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:18,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:18,443 INFO L87 Difference]: Start difference. First operand 374 states and 551 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:18,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:18,618 INFO L93 Difference]: Finished difference Result 785 states and 1156 transitions. [2021-08-30 22:46:18,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:18,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 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 130 [2021-08-30 22:46:18,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:18,620 INFO L225 Difference]: With dead ends: 785 [2021-08-30 22:46:18,620 INFO L226 Difference]: Without dead ends: 419 [2021-08-30 22:46:18,620 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.13ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:18,621 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 126 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 122.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.57ms SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 161.96ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:18,622 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 0 Invalid, 310 Unknown, 0 Unchecked, 0.57ms Time], IncrementalHoareTripleChecker [53 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 161.96ms Time] [2021-08-30 22:46:18,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2021-08-30 22:46:18,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 415. [2021-08-30 22:46:18,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 411 states have (on average 1.4841849148418491) internal successors, (610), 414 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:18,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 610 transitions. [2021-08-30 22:46:18,631 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 610 transitions. Word has length 130 [2021-08-30 22:46:18,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:18,632 INFO L470 AbstractCegarLoop]: Abstraction has 415 states and 610 transitions. [2021-08-30 22:46:18,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:18,632 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 610 transitions. [2021-08-30 22:46:18,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-08-30 22:46:18,633 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:18,633 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:18,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-30 22:46:18,633 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:18,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:18,634 INFO L82 PathProgramCache]: Analyzing trace with hash 850220610, now seen corresponding path program 1 times [2021-08-30 22:46:18,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:18,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748847717] [2021-08-30 22:46:18,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:18,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:18,658 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-08-30 22:46:18,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:18,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748847717] [2021-08-30 22:46:18,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748847717] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:18,659 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:18,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:18,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921237041] [2021-08-30 22:46:18,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:18,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:18,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:18,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:18,660 INFO L87 Difference]: Start difference. First operand 415 states and 610 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:18,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:18,837 INFO L93 Difference]: Finished difference Result 826 states and 1213 transitions. [2021-08-30 22:46:18,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:18,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 131 [2021-08-30 22:46:18,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:18,839 INFO L225 Difference]: With dead ends: 826 [2021-08-30 22:46:18,839 INFO L226 Difference]: Without dead ends: 417 [2021-08-30 22:46:18,839 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.13ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:18,840 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 125 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 120.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.58ms SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 162.74ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:18,840 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 0 Invalid, 309 Unknown, 0 Unchecked, 0.58ms Time], IncrementalHoareTripleChecker [56 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 162.74ms Time] [2021-08-30 22:46:18,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2021-08-30 22:46:18,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 413. [2021-08-30 22:46:18,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 409 states have (on average 1.4792176039119804) internal successors, (605), 412 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:18,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 605 transitions. [2021-08-30 22:46:18,849 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 605 transitions. Word has length 131 [2021-08-30 22:46:18,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:18,849 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 605 transitions. [2021-08-30 22:46:18,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:18,850 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 605 transitions. [2021-08-30 22:46:18,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-08-30 22:46:18,850 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:18,851 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:18,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-30 22:46:18,851 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:18,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:18,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1977670215, now seen corresponding path program 1 times [2021-08-30 22:46:18,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:18,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619208051] [2021-08-30 22:46:18,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:18,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:18,867 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-08-30 22:46:18,868 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:18,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619208051] [2021-08-30 22:46:18,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619208051] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:18,868 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:18,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:18,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746738184] [2021-08-30 22:46:18,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:18,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:18,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:18,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:18,869 INFO L87 Difference]: Start difference. First operand 413 states and 605 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:19,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:19,027 INFO L93 Difference]: Finished difference Result 843 states and 1235 transitions. [2021-08-30 22:46:19,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:19,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 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 141 [2021-08-30 22:46:19,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:19,029 INFO L225 Difference]: With dead ends: 843 [2021-08-30 22:46:19,029 INFO L226 Difference]: Without dead ends: 438 [2021-08-30 22:46:19,029 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.22ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:19,030 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 149 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 109.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.54ms SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 143.43ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:19,030 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 0 Invalid, 270 Unknown, 0 Unchecked, 0.54ms Time], IncrementalHoareTripleChecker [36 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 143.43ms Time] [2021-08-30 22:46:19,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2021-08-30 22:46:19,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 434. [2021-08-30 22:46:19,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 430 states have (on average 1.4604651162790698) internal successors, (628), 433 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:19,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 628 transitions. [2021-08-30 22:46:19,040 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 628 transitions. Word has length 141 [2021-08-30 22:46:19,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:19,041 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 628 transitions. [2021-08-30 22:46:19,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:19,041 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 628 transitions. [2021-08-30 22:46:19,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-08-30 22:46:19,042 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:19,042 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:19,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-30 22:46:19,042 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:19,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:19,043 INFO L82 PathProgramCache]: Analyzing trace with hash -2018786222, now seen corresponding path program 1 times [2021-08-30 22:46:19,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:19,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91139933] [2021-08-30 22:46:19,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:19,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:19,061 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-08-30 22:46:19,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:19,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91139933] [2021-08-30 22:46:19,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91139933] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:19,062 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:19,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:19,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300753400] [2021-08-30 22:46:19,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:19,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:19,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:19,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:19,063 INFO L87 Difference]: Start difference. First operand 434 states and 628 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:19,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:19,245 INFO L93 Difference]: Finished difference Result 864 states and 1250 transitions. [2021-08-30 22:46:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:19,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 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 142 [2021-08-30 22:46:19,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:19,247 INFO L225 Difference]: With dead ends: 864 [2021-08-30 22:46:19,247 INFO L226 Difference]: Without dead ends: 438 [2021-08-30 22:46:19,248 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.13ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:19,249 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 148 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 118.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.58ms SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 160.92ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:19,249 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 0 Invalid, 272 Unknown, 0 Unchecked, 0.58ms Time], IncrementalHoareTripleChecker [38 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 160.92ms Time] [2021-08-30 22:46:19,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2021-08-30 22:46:19,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 434. [2021-08-30 22:46:19,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 430 states have (on average 1.441860465116279) internal successors, (620), 433 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:19,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 620 transitions. [2021-08-30 22:46:19,259 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 620 transitions. Word has length 142 [2021-08-30 22:46:19,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:19,259 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 620 transitions. [2021-08-30 22:46:19,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:19,259 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 620 transitions. [2021-08-30 22:46:19,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-08-30 22:46:19,260 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:19,261 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:19,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-30 22:46:19,261 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:19,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:19,261 INFO L82 PathProgramCache]: Analyzing trace with hash -136164042, now seen corresponding path program 1 times [2021-08-30 22:46:19,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:19,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543942] [2021-08-30 22:46:19,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:19,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:19,284 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-08-30 22:46:19,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:19,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543942] [2021-08-30 22:46:19,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543942] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:19,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:19,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:19,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36930782] [2021-08-30 22:46:19,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:19,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:19,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:19,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:19,286 INFO L87 Difference]: Start difference. First operand 434 states and 620 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:19,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:19,559 INFO L93 Difference]: Finished difference Result 1280 states and 1824 transitions. [2021-08-30 22:46:19,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:19,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 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 157 [2021-08-30 22:46:19,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:19,562 INFO L225 Difference]: With dead ends: 1280 [2021-08-30 22:46:19,562 INFO L226 Difference]: Without dead ends: 854 [2021-08-30 22:46:19,563 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 [2021-08-30 22:46:19,563 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 173 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 185.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.92ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 241.89ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:19,563 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 0 Invalid, 511 Unknown, 0 Unchecked, 0.92ms Time], IncrementalHoareTripleChecker [0 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 241.89ms Time] [2021-08-30 22:46:19,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2021-08-30 22:46:19,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 435. [2021-08-30 22:46:19,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 431 states have (on average 1.4408352668213458) internal successors, (621), 434 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:19,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 621 transitions. [2021-08-30 22:46:19,577 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 621 transitions. Word has length 157 [2021-08-30 22:46:19,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:19,577 INFO L470 AbstractCegarLoop]: Abstraction has 435 states and 621 transitions. [2021-08-30 22:46:19,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:19,577 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 621 transitions. [2021-08-30 22:46:19,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-08-30 22:46:19,578 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:19,579 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:19,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-30 22:46:19,579 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:19,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:19,580 INFO L82 PathProgramCache]: Analyzing trace with hash -877621738, now seen corresponding path program 1 times [2021-08-30 22:46:19,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:19,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345188148] [2021-08-30 22:46:19,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:19,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:19,616 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-08-30 22:46:19,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:19,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345188148] [2021-08-30 22:46:19,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345188148] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-30 22:46:19,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264201821] [2021-08-30 22:46:19,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:19,617 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 22:46:19,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 22:46:19,619 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) [2021-08-30 22:46:19,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-30 22:46:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:19,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-30 22:46:19,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 22:46:19,970 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-08-30 22:46:19,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 22:46:20,154 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-08-30 22:46:20,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264201821] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-30 22:46:20,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-30 22:46:20,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-08-30 22:46:20,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600089112] [2021-08-30 22:46:20,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-30 22:46:20,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:20,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-30 22:46:20,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-30 22:46:20,156 INFO L87 Difference]: Start difference. First operand 435 states and 621 transitions. Second operand has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:20,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:20,731 INFO L93 Difference]: Finished difference Result 1667 states and 2372 transitions. [2021-08-30 22:46:20,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-30 22:46:20,731 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 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 157 [2021-08-30 22:46:20,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:20,735 INFO L225 Difference]: With dead ends: 1667 [2021-08-30 22:46:20,735 INFO L226 Difference]: Without dead ends: 1208 [2021-08-30 22:46:20,735 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 22.07ms TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-08-30 22:46:20,736 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 575 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 1002 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 397.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.34ms SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 502.31ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:20,737 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [575 Valid, 0 Invalid, 1076 Unknown, 0 Unchecked, 3.34ms Time], IncrementalHoareTripleChecker [74 Valid, 1002 Invalid, 0 Unknown, 0 Unchecked, 502.31ms Time] [2021-08-30 22:46:20,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2021-08-30 22:46:20,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 505. [2021-08-30 22:46:20,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 503 states have (on average 1.4353876739562623) internal successors, (722), 504 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:20,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 722 transitions. [2021-08-30 22:46:20,753 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 722 transitions. Word has length 157 [2021-08-30 22:46:20,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:20,754 INFO L470 AbstractCegarLoop]: Abstraction has 505 states and 722 transitions. [2021-08-30 22:46:20,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:20,754 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 722 transitions. [2021-08-30 22:46:20,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-08-30 22:46:20,755 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:20,755 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:20,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-30 22:46:20,961 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,SelfDestructingSolverStorable23 [2021-08-30 22:46:20,961 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:20,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:20,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1902183378, now seen corresponding path program 1 times [2021-08-30 22:46:20,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:20,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931741971] [2021-08-30 22:46:20,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:20,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:20,998 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-08-30 22:46:20,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:20,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931741971] [2021-08-30 22:46:20,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931741971] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-30 22:46:20,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992948014] [2021-08-30 22:46:20,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:20,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 22:46:20,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 22:46:21,000 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) [2021-08-30 22:46:21,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-30 22:46:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:21,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-30 22:46:21,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 22:46:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-08-30 22:46:21,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 22:46:21,423 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-08-30 22:46:21,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992948014] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-30 22:46:21,424 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-30 22:46:21,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-08-30 22:46:21,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857007346] [2021-08-30 22:46:21,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-30 22:46:21,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:21,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-30 22:46:21,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-30 22:46:21,425 INFO L87 Difference]: Start difference. First operand 505 states and 722 transitions. Second operand has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:22,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:22,219 INFO L93 Difference]: Finished difference Result 1929 states and 2722 transitions. [2021-08-30 22:46:22,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-30 22:46:22,219 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 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 159 [2021-08-30 22:46:22,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:22,223 INFO L225 Difference]: With dead ends: 1929 [2021-08-30 22:46:22,223 INFO L226 Difference]: Without dead ends: 1432 [2021-08-30 22:46:22,224 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 26.23ms TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-08-30 22:46:22,225 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 478 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 1576 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 568.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.14ms SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 710.86ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:22,225 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [478 Valid, 0 Invalid, 1643 Unknown, 0 Unchecked, 4.14ms Time], IncrementalHoareTripleChecker [67 Valid, 1576 Invalid, 0 Unknown, 0 Unchecked, 710.86ms Time] [2021-08-30 22:46:22,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2021-08-30 22:46:22,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 625. [2021-08-30 22:46:22,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 623 states have (on average 1.3804173354735152) internal successors, (860), 624 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:22,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 860 transitions. [2021-08-30 22:46:22,246 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 860 transitions. Word has length 159 [2021-08-30 22:46:22,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:22,246 INFO L470 AbstractCegarLoop]: Abstraction has 625 states and 860 transitions. [2021-08-30 22:46:22,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:22,247 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 860 transitions. [2021-08-30 22:46:22,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-08-30 22:46:22,248 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:22,248 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-08-30 22:46:22,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-30 22:46:22,468 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,SelfDestructingSolverStorable24 [2021-08-30 22:46:22,469 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:22,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:22,469 INFO L82 PathProgramCache]: Analyzing trace with hash 2140887848, now seen corresponding path program 1 times [2021-08-30 22:46:22,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:22,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572856972] [2021-08-30 22:46:22,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:22,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:22,490 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-08-30 22:46:22,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:22,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572856972] [2021-08-30 22:46:22,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572856972] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:22,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:22,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:22,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198450938] [2021-08-30 22:46:22,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:22,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:22,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:22,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:22,499 INFO L87 Difference]: Start difference. First operand 625 states and 860 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:22,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:22,715 INFO L93 Difference]: Finished difference Result 1446 states and 1977 transitions. [2021-08-30 22:46:22,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:22,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 169 [2021-08-30 22:46:22,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:22,717 INFO L225 Difference]: With dead ends: 1446 [2021-08-30 22:46:22,718 INFO L226 Difference]: Without dead ends: 544 [2021-08-30 22:46:22,719 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.07ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:22,719 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 58 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 150.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.65ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 190.72ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:22,719 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 0 Invalid, 466 Unknown, 0 Unchecked, 0.65ms Time], IncrementalHoareTripleChecker [4 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 190.72ms Time] [2021-08-30 22:46:22,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2021-08-30 22:46:22,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2021-08-30 22:46:22,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 542 states have (on average 1.381918819188192) internal successors, (749), 543 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:22,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 749 transitions. [2021-08-30 22:46:22,733 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 749 transitions. Word has length 169 [2021-08-30 22:46:22,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:22,733 INFO L470 AbstractCegarLoop]: Abstraction has 544 states and 749 transitions. [2021-08-30 22:46:22,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:22,733 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 749 transitions. [2021-08-30 22:46:22,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-08-30 22:46:22,734 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:22,735 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:22,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-08-30 22:46:22,735 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:22,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:22,735 INFO L82 PathProgramCache]: Analyzing trace with hash -873338986, now seen corresponding path program 1 times [2021-08-30 22:46:22,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:22,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130785144] [2021-08-30 22:46:22,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:22,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:22,753 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2021-08-30 22:46:22,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:22,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130785144] [2021-08-30 22:46:22,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130785144] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:22,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:22,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:22,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198742957] [2021-08-30 22:46:22,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:22,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:22,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:22,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:22,755 INFO L87 Difference]: Start difference. First operand 544 states and 749 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) [2021-08-30 22:46:22,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:22,907 INFO L93 Difference]: Finished difference Result 1098 states and 1507 transitions. [2021-08-30 22:46:22,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:22,907 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 201 [2021-08-30 22:46:22,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:22,909 INFO L225 Difference]: With dead ends: 1098 [2021-08-30 22:46:22,909 INFO L226 Difference]: Without dead ends: 550 [2021-08-30 22:46:22,910 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.19ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:22,910 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 124 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 106.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.50ms SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 135.01ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:22,910 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 0 Invalid, 271 Unknown, 0 Unchecked, 0.50ms Time], IncrementalHoareTripleChecker [39 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 135.01ms Time] [2021-08-30 22:46:22,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2021-08-30 22:46:22,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 546. [2021-08-30 22:46:22,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 544 states have (on average 1.3621323529411764) internal successors, (741), 545 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:22,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 741 transitions. [2021-08-30 22:46:22,923 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 741 transitions. Word has length 201 [2021-08-30 22:46:22,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:22,923 INFO L470 AbstractCegarLoop]: Abstraction has 546 states and 741 transitions. [2021-08-30 22:46:22,923 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) [2021-08-30 22:46:22,923 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 741 transitions. [2021-08-30 22:46:22,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-08-30 22:46:22,926 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:22,926 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:22,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-08-30 22:46:22,926 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:22,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:22,927 INFO L82 PathProgramCache]: Analyzing trace with hash 840195126, now seen corresponding path program 1 times [2021-08-30 22:46:22,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:22,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820328012] [2021-08-30 22:46:22,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:22,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:22,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 700 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2021-08-30 22:46:22,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:22,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820328012] [2021-08-30 22:46:22,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820328012] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:22,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:22,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:22,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231115275] [2021-08-30 22:46:22,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:22,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:22,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:22,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:22,963 INFO L87 Difference]: Start difference. First operand 546 states and 741 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:23,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:23,158 INFO L93 Difference]: Finished difference Result 1120 states and 1513 transitions. [2021-08-30 22:46:23,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:23,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 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 340 [2021-08-30 22:46:23,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:23,160 INFO L225 Difference]: With dead ends: 1120 [2021-08-30 22:46:23,160 INFO L226 Difference]: Without dead ends: 582 [2021-08-30 22:46:23,161 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 [2021-08-30 22:46:23,161 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 11 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 140.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.51ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 177.78ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:23,161 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 0 Invalid, 407 Unknown, 0 Unchecked, 0.51ms Time], IncrementalHoareTripleChecker [3 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 177.78ms Time] [2021-08-30 22:46:23,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2021-08-30 22:46:23,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 580. [2021-08-30 22:46:23,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 578 states have (on average 1.3494809688581315) internal successors, (780), 579 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:23,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 780 transitions. [2021-08-30 22:46:23,174 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 780 transitions. Word has length 340 [2021-08-30 22:46:23,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:23,175 INFO L470 AbstractCegarLoop]: Abstraction has 580 states and 780 transitions. [2021-08-30 22:46:23,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:23,175 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 780 transitions. [2021-08-30 22:46:23,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2021-08-30 22:46:23,178 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:23,178 INFO L513 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:23,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-08-30 22:46:23,178 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:23,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:23,179 INFO L82 PathProgramCache]: Analyzing trace with hash 299615116, now seen corresponding path program 1 times [2021-08-30 22:46:23,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:23,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451148393] [2021-08-30 22:46:23,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:23,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:23,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1424 backedges. 824 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2021-08-30 22:46:23,219 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:23,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451148393] [2021-08-30 22:46:23,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451148393] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:23,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:23,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:23,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21685579] [2021-08-30 22:46:23,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:23,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:23,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:23,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:23,221 INFO L87 Difference]: Start difference. First operand 580 states and 780 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:23,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:23,432 INFO L93 Difference]: Finished difference Result 1190 states and 1595 transitions. [2021-08-30 22:46:23,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:23,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 371 [2021-08-30 22:46:23,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:23,434 INFO L225 Difference]: With dead ends: 1190 [2021-08-30 22:46:23,435 INFO L226 Difference]: Without dead ends: 618 [2021-08-30 22:46:23,435 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.21ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:23,436 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 11 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 144.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.54ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 185.48ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:23,436 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 0 Invalid, 411 Unknown, 0 Unchecked, 0.54ms Time], IncrementalHoareTripleChecker [5 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 185.48ms Time] [2021-08-30 22:46:23,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2021-08-30 22:46:23,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 616. [2021-08-30 22:46:23,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 614 states have (on average 1.3371335504885993) internal successors, (821), 615 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:23,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 821 transitions. [2021-08-30 22:46:23,451 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 821 transitions. Word has length 371 [2021-08-30 22:46:23,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:23,451 INFO L470 AbstractCegarLoop]: Abstraction has 616 states and 821 transitions. [2021-08-30 22:46:23,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:23,452 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 821 transitions. [2021-08-30 22:46:23,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-08-30 22:46:23,455 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:23,455 INFO L513 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:23,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-08-30 22:46:23,456 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:23,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:23,456 INFO L82 PathProgramCache]: Analyzing trace with hash 521510171, now seen corresponding path program 1 times [2021-08-30 22:46:23,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:23,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592889131] [2021-08-30 22:46:23,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:23,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:23,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 970 proven. 0 refuted. 0 times theorem prover too weak. 749 trivial. 0 not checked. [2021-08-30 22:46:23,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:23,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592889131] [2021-08-30 22:46:23,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592889131] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:46:23,508 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:46:23,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:46:23,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619914086] [2021-08-30 22:46:23,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:46:23,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:23,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:46:23,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:46:23,510 INFO L87 Difference]: Start difference. First operand 616 states and 821 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:23,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:23,722 INFO L93 Difference]: Finished difference Result 1635 states and 2161 transitions. [2021-08-30 22:46:23,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:46:23,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 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 404 [2021-08-30 22:46:23,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:23,725 INFO L225 Difference]: With dead ends: 1635 [2021-08-30 22:46:23,726 INFO L226 Difference]: Without dead ends: 1027 [2021-08-30 22:46:23,726 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 [2021-08-30 22:46:23,727 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 63 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 146.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.60ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 189.58ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:23,727 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 0 Invalid, 408 Unknown, 0 Unchecked, 0.60ms Time], IncrementalHoareTripleChecker [3 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 189.58ms Time] [2021-08-30 22:46:23,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2021-08-30 22:46:23,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1027. [2021-08-30 22:46:23,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1025 states have (on average 1.3151219512195123) internal successors, (1348), 1026 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:23,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1348 transitions. [2021-08-30 22:46:23,754 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1348 transitions. Word has length 404 [2021-08-30 22:46:23,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:23,754 INFO L470 AbstractCegarLoop]: Abstraction has 1027 states and 1348 transitions. [2021-08-30 22:46:23,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:23,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1348 transitions. [2021-08-30 22:46:23,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-08-30 22:46:23,758 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:46:23,758 INFO L513 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:46:23,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-08-30 22:46:23,758 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-08-30 22:46:23,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:46:23,759 INFO L82 PathProgramCache]: Analyzing trace with hash 810329561, now seen corresponding path program 1 times [2021-08-30 22:46:23,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:46:23,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695107270] [2021-08-30 22:46:23,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:23,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:46:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:23,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2021-08-30 22:46:23,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:46:23,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695107270] [2021-08-30 22:46:23,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695107270] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-30 22:46:23,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479579201] [2021-08-30 22:46:23,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:46:23,816 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 22:46:23,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 22:46:23,821 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) [2021-08-30 22:46:23,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-30 22:46:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:46:23,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-30 22:46:23,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 22:46:24,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2021-08-30 22:46:24,411 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 22:46:24,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2021-08-30 22:46:24,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479579201] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-30 22:46:24,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-30 22:46:24,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-08-30 22:46:24,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126600280] [2021-08-30 22:46:24,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-30 22:46:24,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:46:24,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-30 22:46:24,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-08-30 22:46:24,825 INFO L87 Difference]: Start difference. First operand 1027 states and 1348 transitions. Second operand has 8 states, 8 states have (on average 27.875) internal successors, (223), 8 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:25,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:46:25,349 INFO L93 Difference]: Finished difference Result 2364 states and 3119 transitions. [2021-08-30 22:46:25,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-30 22:46:25,349 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 27.875) internal successors, (223), 8 states have internal predecessors, (223), 0 states have call successors, (0), 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 404 [2021-08-30 22:46:25,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:46:25,350 INFO L225 Difference]: With dead ends: 2364 [2021-08-30 22:46:25,350 INFO L226 Difference]: Without dead ends: 0 [2021-08-30 22:46:25,352 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 805 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 17.23ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-30 22:46:25,352 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 99 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 369.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.42ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 480.64ms IncrementalHoareTripleChecker+Time [2021-08-30 22:46:25,352 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 0 Invalid, 1434 Unknown, 0 Unchecked, 2.42ms Time], IncrementalHoareTripleChecker [21 Valid, 1413 Invalid, 0 Unknown, 0 Unchecked, 480.64ms Time] [2021-08-30 22:46:25,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-30 22:46:25,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-30 22:46:25,352 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) [2021-08-30 22:46:25,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-30 22:46:25,352 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 404 [2021-08-30 22:46:25,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:46:25,353 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-30 22:46:25,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.875) internal successors, (223), 8 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:46:25,353 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-30 22:46:25,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-30 22:46:25,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2021-08-30 22:46:25,355 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2021-08-30 22:46:25,355 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2021-08-30 22:46:25,355 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2021-08-30 22:46:25,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-30 22:46:25,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 22:46:25,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-30 22:46:25,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:25,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:25,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:25,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:25,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:25,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:25,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:25,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:25,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:25,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:25,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:25,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:25,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:25,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:25,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:25,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:25,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:25,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:25,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:26,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:26,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:26,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:26,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:26,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:26,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:26,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:26,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:26,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:26,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:46:30,909 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 262) no Hoare annotation was computed. [2021-08-30 22:46:30,909 INFO L854 garLoopResultBuilder]: At program point L168(lines 167 609) the Hoare annotation is: (let ((.cse10 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse16 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse11 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)))) (or (and .cse0 .cse1 .cse2 .cse3 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse16 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse16 .cse3 .cse4 .cse5 .cse6 (< ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 12292) .cse7 .cse8 .cse9 .cse11 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse12 .cse13 .cse14 .cse15))) [2021-08-30 22:46:30,910 INFO L854 garLoopResultBuilder]: At program point L135(lines 128 622) 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 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse10 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse14 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15))) [2021-08-30 22:46:30,910 INFO L858 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2021-08-30 22:46:30,910 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 659) no Hoare annotation was computed. [2021-08-30 22:46:30,910 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-08-30 22:46:30,910 INFO L858 garLoopResultBuilder]: For program point L632(lines 632 656) no Hoare annotation was computed. [2021-08-30 22:46:30,910 INFO L858 garLoopResultBuilder]: For program point L566(lines 566 570) no Hoare annotation was computed. [2021-08-30 22:46:30,910 INFO L858 garLoopResultBuilder]: For program point L500(lines 500 504) no Hoare annotation was computed. [2021-08-30 22:46:30,910 INFO L858 garLoopResultBuilder]: For program point L566-2(lines 566 570) no Hoare annotation was computed. [2021-08-30 22:46:30,911 INFO L858 garLoopResultBuilder]: For program point L500-2(lines 211 592) no Hoare annotation was computed. [2021-08-30 22:46:30,911 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 597) no Hoare annotation was computed. [2021-08-30 22:46:30,911 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 608) no Hoare annotation was computed. [2021-08-30 22:46:30,911 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 619) no Hoare annotation was computed. [2021-08-30 22:46:30,911 INFO L858 garLoopResultBuilder]: For program point L104(lines 104 630) no Hoare annotation was computed. [2021-08-30 22:46:30,911 INFO L858 garLoopResultBuilder]: For program point L666(lines 666 670) no Hoare annotation was computed. [2021-08-30 22:46:30,911 INFO L858 garLoopResultBuilder]: For program point L633(lines 633 642) no Hoare annotation was computed. [2021-08-30 22:46:30,911 INFO L858 garLoopResultBuilder]: For program point L666-2(lines 666 670) no Hoare annotation was computed. [2021-08-30 22:46:30,916 INFO L858 garLoopResultBuilder]: For program point L633-2(lines 632 654) no Hoare annotation was computed. [2021-08-30 22:46:30,916 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 274) no Hoare annotation was computed. [2021-08-30 22:46:30,917 INFO L854 garLoopResultBuilder]: At program point L204(lines 200 598) the Hoare annotation is: (let ((.cse0 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse3 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2021-08-30 22:46:30,917 INFO L854 garLoopResultBuilder]: At program point L105(lines 104 630) the Hoare annotation is: false [2021-08-30 22:46:30,917 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 308) no Hoare annotation was computed. [2021-08-30 22:46:30,917 INFO L858 garLoopResultBuilder]: For program point L304-2(lines 211 592) no Hoare annotation was computed. [2021-08-30 22:46:30,917 INFO L858 garLoopResultBuilder]: For program point L635(lines 635 639) no Hoare annotation was computed. [2021-08-30 22:46:30,917 INFO L858 garLoopResultBuilder]: For program point L206(lines 206 596) no Hoare annotation was computed. [2021-08-30 22:46:30,917 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 607) no Hoare annotation was computed. [2021-08-30 22:46:30,917 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 618) no Hoare annotation was computed. [2021-08-30 22:46:30,918 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 629) no Hoare annotation was computed. [2021-08-30 22:46:30,918 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2021-08-30 22:46:30,918 INFO L858 garLoopResultBuilder]: For program point L339-2(lines 211 592) no Hoare annotation was computed. [2021-08-30 22:46:30,918 INFO L854 garLoopResultBuilder]: At program point L207(lines 206 596) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2021-08-30 22:46:30,918 INFO L854 garLoopResultBuilder]: At program point L174(lines 170 608) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (< ULTIMATE.start_ssl3_accept_~s__state~0 12292) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) [2021-08-30 22:46:30,918 INFO L854 garLoopResultBuilder]: At program point L141(lines 137 619) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse8 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse12 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse9 .cse10 .cse11 .cse12 .cse13))) [2021-08-30 22:46:30,918 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 83) no Hoare annotation was computed. [2021-08-30 22:46:30,918 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 262) no Hoare annotation was computed. [2021-08-30 22:46:30,918 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 451) no Hoare annotation was computed. [2021-08-30 22:46:30,919 INFO L854 garLoopResultBuilder]: At program point L406(lines 397 417) the Hoare annotation is: (and (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) [2021-08-30 22:46:30,919 INFO L858 garLoopResultBuilder]: For program point L439-2(lines 439 451) no Hoare annotation was computed. [2021-08-30 22:46:30,919 INFO L858 garLoopResultBuilder]: For program point L176(lines 176 606) no Hoare annotation was computed. [2021-08-30 22:46:30,919 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 617) no Hoare annotation was computed. [2021-08-30 22:46:30,919 INFO L858 garLoopResultBuilder]: For program point L110(lines 110 628) no Hoare annotation was computed. [2021-08-30 22:46:30,919 INFO L854 garLoopResultBuilder]: At program point L210(lines 209 595) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2021-08-30 22:46:30,919 INFO L858 garLoopResultBuilder]: For program point L78(lines 78 82) no Hoare annotation was computed. [2021-08-30 22:46:30,919 INFO L858 garLoopResultBuilder]: For program point L78-2(lines 75 83) no Hoare annotation was computed. [2021-08-30 22:46:30,919 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 546) no Hoare annotation was computed. [2021-08-30 22:46:30,920 INFO L858 garLoopResultBuilder]: For program point L442(lines 442 447) no Hoare annotation was computed. [2021-08-30 22:46:30,920 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 413) no Hoare annotation was computed. [2021-08-30 22:46:30,920 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 249) no Hoare annotation was computed. [2021-08-30 22:46:30,920 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 605) no Hoare annotation was computed. [2021-08-30 22:46:30,920 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 616) no Hoare annotation was computed. [2021-08-30 22:46:30,920 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 627) no Hoare annotation was computed. [2021-08-30 22:46:30,920 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 586) no Hoare annotation was computed. [2021-08-30 22:46:30,921 INFO L858 garLoopResultBuilder]: For program point L576-1(lines 576 586) no Hoare annotation was computed. [2021-08-30 22:46:30,921 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 514) no Hoare annotation was computed. [2021-08-30 22:46:30,921 INFO L858 garLoopResultBuilder]: For program point L510-2(lines 510 514) no Hoare annotation was computed. [2021-08-30 22:46:30,921 INFO L854 garLoopResultBuilder]: At program point L180(lines 176 606) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse2 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse5 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse3 .cse4 .cse5))) [2021-08-30 22:46:30,921 INFO L854 garLoopResultBuilder]: At program point L147(lines 143 617) the Hoare annotation is: (and (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (< 8192 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)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) [2021-08-30 22:46:30,921 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 482) no Hoare annotation was computed. [2021-08-30 22:46:30,921 INFO L854 garLoopResultBuilder]: At program point L214(lines 107 629) the Hoare annotation is: false [2021-08-30 22:46:30,922 INFO L861 garLoopResultBuilder]: At program point L677(lines 67 679) the Hoare annotation is: true [2021-08-30 22:46:30,922 INFO L858 garLoopResultBuilder]: For program point L644(lines 644 650) no Hoare annotation was computed. [2021-08-30 22:46:30,922 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 379) no Hoare annotation was computed. [2021-08-30 22:46:30,922 INFO L858 garLoopResultBuilder]: For program point L314(lines 314 318) no Hoare annotation was computed. [2021-08-30 22:46:30,922 INFO L858 garLoopResultBuilder]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2021-08-30 22:46:30,922 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 604) no Hoare annotation was computed. [2021-08-30 22:46:30,922 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 615) no Hoare annotation was computed. [2021-08-30 22:46:30,922 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 626) no Hoare annotation was computed. [2021-08-30 22:46:30,922 INFO L861 garLoopResultBuilder]: At program point L678(lines 12 680) the Hoare annotation is: true [2021-08-30 22:46:30,923 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 583) no Hoare annotation was computed. [2021-08-30 22:46:30,923 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 93) no Hoare annotation was computed. [2021-08-30 22:46:30,923 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 67 679) no Hoare annotation was computed. [2021-08-30 22:46:30,923 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 378) no Hoare annotation was computed. [2021-08-30 22:46:30,923 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-30 22:46:30,923 INFO L858 garLoopResultBuilder]: For program point L350-1(lines 350 378) no Hoare annotation was computed. [2021-08-30 22:46:30,923 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 264) no Hoare annotation was computed. [2021-08-30 22:46:30,924 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 603) no Hoare annotation was computed. [2021-08-30 22:46:30,924 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 614) no Hoare annotation was computed. [2021-08-30 22:46:30,924 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 625) no Hoare annotation was computed. [2021-08-30 22:46:30,924 INFO L858 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-08-30 22:46:30,924 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 375) no Hoare annotation was computed. [2021-08-30 22:46:30,924 INFO L858 garLoopResultBuilder]: For program point L219(lines 219 223) no Hoare annotation was computed. [2021-08-30 22:46:30,924 INFO L854 garLoopResultBuilder]: At program point L186(lines 182 604) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse2 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse5 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse3 .cse4 .cse5))) [2021-08-30 22:46:30,924 INFO L854 garLoopResultBuilder]: At program point L153(lines 149 615) the Hoare annotation is: (and (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) [2021-08-30 22:46:30,924 INFO L858 garLoopResultBuilder]: For program point L219-2(lines 211 592) no Hoare annotation was computed. [2021-08-30 22:46:30,924 INFO L858 garLoopResultBuilder]: For program point L253(lines 253 258) no Hoare annotation was computed. [2021-08-30 22:46:30,925 INFO L858 garLoopResultBuilder]: For program point L551(lines 551 559) no Hoare annotation was computed. [2021-08-30 22:46:30,925 INFO L858 garLoopResultBuilder]: For program point L287(lines 287 291) no Hoare annotation was computed. [2021-08-30 22:46:30,925 INFO L858 garLoopResultBuilder]: For program point L287-2(lines 211 592) no Hoare annotation was computed. [2021-08-30 22:46:30,925 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 602) no Hoare annotation was computed. [2021-08-30 22:46:30,925 INFO L858 garLoopResultBuilder]: For program point L155(lines 155 613) no Hoare annotation was computed. [2021-08-30 22:46:30,925 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 624) no Hoare annotation was computed. [2021-08-30 22:46:30,925 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 418) no Hoare annotation was computed. [2021-08-30 22:46:30,925 INFO L858 garLoopResultBuilder]: For program point L354(lines 354 374) no Hoare annotation was computed. [2021-08-30 22:46:30,925 INFO L854 garLoopResultBuilder]: At program point L123(lines 119 625) the Hoare annotation is: false [2021-08-30 22:46:30,925 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 394) no Hoare annotation was computed. [2021-08-30 22:46:30,925 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-30 22:46:30,926 INFO L858 garLoopResultBuilder]: For program point L554(lines 554 558) no Hoare annotation was computed. [2021-08-30 22:46:30,926 INFO L858 garLoopResultBuilder]: For program point L521(lines 521 526) no Hoare annotation was computed. [2021-08-30 22:46:30,926 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 360) no Hoare annotation was computed. [2021-08-30 22:46:30,926 INFO L858 garLoopResultBuilder]: For program point L323-1(lines 323 332) no Hoare annotation was computed. [2021-08-30 22:46:30,926 INFO L858 garLoopResultBuilder]: For program point L356-2(lines 354 372) no Hoare annotation was computed. [2021-08-30 22:46:30,926 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 601) no Hoare annotation was computed. [2021-08-30 22:46:30,926 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 612) no Hoare annotation was computed. [2021-08-30 22:46:30,926 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 623) no Hoare annotation was computed. [2021-08-30 22:46:30,926 INFO L854 garLoopResultBuilder]: At program point L555(lines 67 679) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2021-08-30 22:46:30,926 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 493) no Hoare annotation was computed. [2021-08-30 22:46:30,927 INFO L854 garLoopResultBuilder]: At program point L192(lines 188 602) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse2 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse5 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse3 .cse4 .cse5))) [2021-08-30 22:46:30,927 INFO L854 garLoopResultBuilder]: At program point L159(lines 155 613) the Hoare annotation is: (and (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) [2021-08-30 22:46:30,927 INFO L854 garLoopResultBuilder]: At program point L126(lines 125 623) 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 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse10 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse14 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15))) [2021-08-30 22:46:30,927 INFO L858 garLoopResultBuilder]: For program point L457(lines 457 461) no Hoare annotation was computed. [2021-08-30 22:46:30,928 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 260) no Hoare annotation was computed. [2021-08-30 22:46:30,928 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-30 22:46:30,928 INFO L858 garLoopResultBuilder]: For program point L260(line 260) no Hoare annotation was computed. [2021-08-30 22:46:30,928 INFO L858 garLoopResultBuilder]: For program point L260-1(line 260) no Hoare annotation was computed. [2021-08-30 22:46:30,929 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 600) no Hoare annotation was computed. [2021-08-30 22:46:30,929 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 611) no Hoare annotation was computed. [2021-08-30 22:46:30,929 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 260) no Hoare annotation was computed. [2021-08-30 22:46:30,929 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 622) no Hoare annotation was computed. [2021-08-30 22:46:30,929 INFO L861 garLoopResultBuilder]: At program point L690(lines 681 692) the Hoare annotation is: true [2021-08-30 22:46:30,929 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 331) no Hoare annotation was computed. [2021-08-30 22:46:30,929 INFO L858 garLoopResultBuilder]: For program point L262(line 262) no Hoare annotation was computed. [2021-08-30 22:46:30,929 INFO L858 garLoopResultBuilder]: For program point L262-1(line 262) no Hoare annotation was computed. [2021-08-30 22:46:30,929 INFO L854 garLoopResultBuilder]: At program point L593(lines 101 661) the Hoare annotation is: (let ((.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse15 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse12 (< ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 12292)) (.cse17 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse11 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse7 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (and .cse0 .cse1 .cse2 .cse11 .cse3 .cse4 .cse12 .cse5 .cse6 .cse7 .cse13 .cse9 .cse10) (and .cse14 .cse15 .cse16 .cse17 .cse13) (and .cse14 .cse15 .cse8 .cse16 .cse17) (and .cse11 .cse15 .cse12 .cse17 .cse13) (and .cse0 .cse1 .cse2 .cse11 .cse3 .cse4 .cse5 .cse6 .cse7 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 .cse1 .cse2 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2021-08-30 22:46:30,929 INFO L858 garLoopResultBuilder]: For program point L560(lines 560 564) no Hoare annotation was computed. [2021-08-30 22:46:30,930 INFO L858 garLoopResultBuilder]: For program point L428(lines 428 432) no Hoare annotation was computed. [2021-08-30 22:46:30,930 INFO L854 garLoopResultBuilder]: At program point L362(lines 344 380) the Hoare annotation is: (and (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) [2021-08-30 22:46:30,930 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 599) no Hoare annotation was computed. [2021-08-30 22:46:30,930 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 610) no Hoare annotation was computed. [2021-08-30 22:46:30,930 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 621) no Hoare annotation was computed. [2021-08-30 22:46:30,930 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-30 22:46:30,931 INFO L858 garLoopResultBuilder]: For program point L528(lines 528 532) no Hoare annotation was computed. [2021-08-30 22:46:30,931 INFO L858 garLoopResultBuilder]: For program point L462(lines 462 473) no Hoare annotation was computed. [2021-08-30 22:46:30,931 INFO L858 garLoopResultBuilder]: For program point L528-2(lines 211 592) no Hoare annotation was computed. [2021-08-30 22:46:30,931 INFO L854 garLoopResultBuilder]: At program point L396(lines 387 418) the Hoare annotation is: (and (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) [2021-08-30 22:46:30,931 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 242) no Hoare annotation was computed. [2021-08-30 22:46:30,931 INFO L854 garLoopResultBuilder]: At program point L198(lines 194 600) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse2 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse3 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse3) (and .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2021-08-30 22:46:30,931 INFO L854 garLoopResultBuilder]: At program point L165(lines 161 611) the Hoare annotation is: (and (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) [2021-08-30 22:46:30,931 INFO L858 garLoopResultBuilder]: For program point L231-2(lines 231 242) no Hoare annotation was computed. [2021-08-30 22:46:30,931 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 368) no Hoare annotation was computed. [2021-08-30 22:46:30,932 INFO L861 garLoopResultBuilder]: At program point L662(lines 100 663) the Hoare annotation is: true [2021-08-30 22:46:30,932 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 404) no Hoare annotation was computed. [2021-08-30 22:46:30,932 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 238) no Hoare annotation was computed. [2021-08-30 22:46:30,932 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 598) no Hoare annotation was computed. [2021-08-30 22:46:30,932 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 609) no Hoare annotation was computed. [2021-08-30 22:46:30,932 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 620) no Hoare annotation was computed. [2021-08-30 22:46:30,932 INFO L854 garLoopResultBuilder]: At program point L101-2(lines 101 661) the Hoare annotation is: (let ((.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse15 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse12 (< ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 12292)) (.cse17 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse11 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse7 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (and .cse0 .cse1 .cse2 .cse11 .cse3 .cse4 .cse12 .cse5 .cse6 .cse7 .cse13 .cse9 .cse10) (and .cse14 .cse15 .cse16 .cse17 .cse13) (and .cse14 .cse15 .cse8 .cse16 .cse17) (and .cse11 .cse15 .cse12 .cse17 .cse13) (and .cse0 .cse1 .cse2 .cse11 .cse3 .cse4 .cse5 .cse6 .cse7 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 .cse1 .cse2 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2021-08-30 22:46:30,935 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-30 22:46:30,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 10:46:30 BoogieIcfgContainer [2021-08-30 22:46:30,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-30 22:46:30,964 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-30 22:46:30,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-30 22:46:30,965 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-30 22:46:30,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:46:13" (3/4) ... [2021-08-30 22:46:30,967 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-30 22:46:30,977 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-30 22:46:30,977 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-30 22:46:30,978 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-30 22:46:30,978 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-30 22:46:31,025 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-30 22:46:31,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-30 22:46:31,026 INFO L158 Benchmark]: Toolchain (without parser) took 17786.72ms. Allocated memory was 62.9MB in the beginning and 176.2MB in the end (delta: 113.2MB). Free memory was 43.4MB in the beginning and 151.7MB in the end (delta: -108.3MB). Peak memory consumption was 105.1MB. Max. memory is 16.1GB. [2021-08-30 22:46:31,026 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 62.9MB. Free memory was 44.1MB in the beginning and 44.1MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 22:46:31,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.44ms. Allocated memory is still 62.9MB. Free memory was 43.1MB in the beginning and 44.9MB in the end (delta: -1.7MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-08-30 22:46:31,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.15ms. Allocated memory is still 62.9MB. Free memory was 44.7MB in the beginning and 41.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-30 22:46:31,026 INFO L158 Benchmark]: Boogie Preprocessor took 40.17ms. Allocated memory is still 62.9MB. Free memory was 41.9MB in the beginning and 39.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-30 22:46:31,027 INFO L158 Benchmark]: RCFGBuilder took 313.56ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 39.8MB in the beginning and 55.9MB in the end (delta: -16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-30 22:46:31,027 INFO L158 Benchmark]: TraceAbstraction took 17058.49ms. Allocated memory was 83.9MB in the beginning and 176.2MB in the end (delta: 92.3MB). Free memory was 55.2MB in the beginning and 60.3MB in the end (delta: -5.1MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. [2021-08-30 22:46:31,027 INFO L158 Benchmark]: Witness Printer took 60.85ms. Allocated memory is still 176.2MB. Free memory was 60.3MB in the beginning and 151.7MB in the end (delta: -91.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-08-30 22:46:31,028 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 62.9MB. Free memory was 44.1MB in the beginning and 44.1MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.44ms. Allocated memory is still 62.9MB. Free memory was 43.1MB in the beginning and 44.9MB in the end (delta: -1.7MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.15ms. Allocated memory is still 62.9MB. Free memory was 44.7MB in the beginning and 41.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.17ms. Allocated memory is still 62.9MB. Free memory was 41.9MB in the beginning and 39.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 313.56ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 39.8MB in the beginning and 55.9MB in the end (delta: -16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 17058.49ms. Allocated memory was 83.9MB in the beginning and 176.2MB in the end (delta: 92.3MB). Free memory was 55.2MB in the beginning and 60.3MB in the end (delta: -5.1MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. * Witness Printer took 60.85ms. Allocated memory is still 176.2MB. Free memory was 60.3MB in the beginning and 151.7MB in the end (delta: -91.4MB). Peak memory consumption was 9.3MB. 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: 260]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 260]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 262]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 262]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 147 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 16993.54ms, OverallIterations: 31, TraceHistogramMax: 14, EmptinessCheckTime: 49.74ms, AutomataDifference: 7266.35ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 5352.74ms, InitialAbstractionConstructionTime: 8.34ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4837 SdHoareTripleChecker+Valid, 6368.90ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4837 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 4948.74ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2919 mSDsCounter, 1081 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11757 IncrementalHoareTripleChecker+Invalid, 12838 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1081 mSolverCounterUnsat, 0 mSDtfsCounter, 11757 mSolverCounterSat, 38.51ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1548 GetRequests, 1497 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 103.37ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1027occurred in iteration=30, InterpolantAutomatonStates: 107, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 358.60ms AutomataMinimizationTime, 31 MinimizatonAttempts, 2049 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 200 NumberOfFragments, 1786 HoareAnnotationTreeSize, 29 FomulaSimplifications, 283929 FormulaSimplificationTreeSizeReduction, 612.13ms HoareSimplificationTime, 29 FomulaSimplificationsInter, 112489 FormulaSimplificationTreeSizeReductionInter, 4726.27ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 93.20ms SsaConstructionTime, 367.50ms SatisfiabilityAnalysisTime, 2447.25ms InterpolantComputationTime, 4811 NumberOfCodeBlocks, 4811 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 5494 ConstructedInterpolants, 0 QuantifiedInterpolants, 8495 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1336 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 37 InterpolantComputations, 28 PerfectInterpolantSequences, 13015/13072 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 4 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((((((!(s__state == 8673) && !(s__state == 8672)) && s__state < 12292) && !(s__state == 8657)) && !(s__state == 8656)) && 8576 <= s__state) && !(s__hit == 0)) || ((((((!(s__state == 8673) && !(s__state == 8672)) && s__state < 12292) && !(8576 == s__state)) && !(s__state == 8657)) && !(s__state == 8656)) && 8576 <= s__state) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && 8192 < s__state) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8560 == s__state)) && !(s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8545)) && !(s__state == 8528)) && !(8448 == s__state)) && !(s__state == 8512)) || ((((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && 8192 < s__state) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && !(s__state == 8528)) && !(8448 == s__state)) && !(s__state == 8512)) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && 3 == s__s3__tmp__next_state___0) && 8192 < s__state) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && !(s__state == 8528)) && !(s__state == 8512)) || (((((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && !(8496 == s__state)) && 8192 < s__state) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && !(s__state == 8528)) && !(s__state == 8512))) || (((((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && !(8496 == s__state)) && 8192 < s__state) && !(s__state == 8561)) && !(8513 == s__state)) && s__s3__tmp__next_state___0 < 12292) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8560 == s__state)) && !(s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8545)) && !(s__state == 8528)) && !(s__state == 8512)) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((((!(s__state == 8673) && !(s__state == 8672)) && s__state < 12292) && !(8576 == s__state)) && 8576 <= s__state) || ((((!(s__state == 8673) && !(s__state == 8672)) && s__state < 12292) && 8576 <= s__state) && !(s__hit == 0)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && 8192 < s__state) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8560 == s__state)) && !(s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8545)) && !(s__state == 8528)) && !(8448 == s__state)) && !(s__state == 8512)) || ((((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && 8192 < s__state) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && !(s__state == 8528)) && !(8448 == s__state)) && !(s__state == 8512)) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: !(12292 == s__state) - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && 8192 < s__state) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8528)) && !(8448 == s__state)) && !(s__state == 8512) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && 8192 < s__state) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8528)) && !(8448 == s__state)) && !(s__state == 8512) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && 8192 < s__state) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && !(8448 == s__state)) && !(s__state == 8512) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((((s__state < 12292 && !(8576 == s__state)) && !(s__state == 8657)) && !(s__state == 8656)) && 8576 <= s__state) || ((((s__state < 12292 && !(s__state == 8657)) && !(s__state == 8656)) && 8576 <= s__state) && !(s__hit == 0)) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: !(12292 == s__state) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(8576 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && !(8448 == s__state)) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && !(s__state == 8561)) && !(8513 == s__state)) && s__s3__tmp__next_state___0 < 12292) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8545))) || ((((!(s__state == 8673) && s__state < 12292) && !(s__state == 8657)) && 8576 <= s__state) && !(s__hit == 0))) || ((((!(s__state == 8673) && s__state < 12292) && !(8576 == s__state)) && !(s__state == 8657)) && 8576 <= s__state)) || ((((8576 <= s__s3__tmp__next_state___0 && s__state < 12292) && s__s3__tmp__next_state___0 < 12292) && 8576 <= s__state) && !(s__hit == 0))) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && 3 == s__s3__tmp__next_state___0) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(8576 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && 8192 < s__state) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8576 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && !(s__state == 8528)) && !(8448 == s__state)) && !(s__state == 8512) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8480) && s__state <= 8576) && 8192 < s__state) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && !(s__state == 8528)) && !(8448 == s__state)) && !(s__state == 8512)) || ((((((((((((((!(s__state == 8480) && s__state <= 8576) && 8192 < s__state) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8560 == s__state)) && !(s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8545)) && !(s__state == 8528)) && !(8448 == s__state)) && !(s__state == 8512)) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && 8192 < s__state) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && !(s__state == 8528)) && !(8448 == s__state) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(8576 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && !(8448 == s__state)) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && !(s__state == 8561)) && !(8513 == s__state)) && s__s3__tmp__next_state___0 < 12292) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8545))) || ((((!(s__state == 8673) && s__state < 12292) && !(s__state == 8657)) && 8576 <= s__state) && !(s__hit == 0))) || ((((!(s__state == 8673) && s__state < 12292) && !(8576 == s__state)) && !(s__state == 8657)) && 8576 <= s__state)) || ((((8576 <= s__s3__tmp__next_state___0 && s__state < 12292) && s__s3__tmp__next_state___0 < 12292) && 8576 <= s__state) && !(s__hit == 0))) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && 3 == s__s3__tmp__next_state___0) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(8576 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && 8192 < s__state) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8528)) && !(8448 == s__state)) && !(s__state == 8512) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && 8192 < s__state) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && !(8448 == s__state)) && !(s__state == 8512) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: ((((((!(s__state == 8673) && !(s__state == 8672)) && s__state < 12292) && !(s__state == 8657)) && !(s__state == 8656)) && 8576 <= s__state) && !(s__hit == 0)) || ((((((!(s__state == 8673) && !(s__state == 8672)) && s__state < 12292) && !(8576 == s__state)) && !(s__state == 8657)) && !(s__state == 8656)) && 8576 <= s__state) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: !(12292 == s__state) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((((!(s__state == 8673) && !(s__state == 8672)) && s__state < 12292) && !(s__state == 8657)) && !(s__state == 8656)) && 8576 <= s__state - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: ((((((!(s__state == 8673) && !(s__state == 8672)) && s__state < 12292) && !(s__state == 8657)) && !(s__state == 8656)) && 8576 <= s__state) && !(s__hit == 0)) || ((((((!(s__state == 8673) && !(s__state == 8672)) && s__state < 12292) && !(8576 == s__state)) && !(s__state == 8657)) && !(s__state == 8656)) && 8576 <= s__state) RESULT: Ultimate proved your program to be correct! [2021-08-30 22:46:31,061 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...