./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_00cc54a9-5aae-4ec2-93ae-0f77b5828ac7/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_00cc54a9-5aae-4ec2-93ae-0f77b5828ac7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_00cc54a9-5aae-4ec2-93ae-0f77b5828ac7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_00cc54a9-5aae-4ec2-93ae-0f77b5828ac7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_00cc54a9-5aae-4ec2-93ae-0f77b5828ac7/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_00cc54a9-5aae-4ec2-93ae-0f77b5828ac7/bin/uautomizer --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 0.2.0-69874e2 [2020-12-01 15:50:05,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:50:05,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:50:05,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:50:05,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:50:05,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:50:05,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:50:05,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:50:05,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:50:05,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:50:05,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:50:05,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:50:05,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:50:05,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:50:05,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:50:05,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:50:05,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:50:05,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:50:05,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:50:05,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:50:05,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:50:05,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:50:05,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:50:05,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:50:05,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:50:05,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:50:05,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:50:05,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:50:05,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:50:05,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:50:05,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:50:05,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:50:05,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:50:05,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:50:05,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:50:05,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:50:05,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:50:05,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:50:05,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:50:05,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:50:05,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:50:05,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_00cc54a9-5aae-4ec2-93ae-0f77b5828ac7/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-12-01 15:50:05,387 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:50:05,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:50:05,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:50:05,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:50:05,389 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:50:05,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:50:05,390 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:50:05,390 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:50:05,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:50:05,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:50:05,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:50:05,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:50:05,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:50:05,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:50:05,392 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 15:50:05,393 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:50:05,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:50:05,394 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:50:05,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:50:05,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:50:05,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:50:05,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:50:05,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:50:05,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:50:05,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:50:05,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:50:05,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:50:05,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:50:05,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:50:05,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:50:05,399 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:50:05,399 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:/tmp/vcloud-vcloud-master/worker/run_dir_00cc54a9-5aae-4ec2-93ae-0f77b5828ac7/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_00cc54a9-5aae-4ec2-93ae-0f77b5828ac7/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0b2d978b2f3873db9b988022a041d2d18a2f859 [2020-12-01 15:50:05,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:50:05,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:50:05,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:50:05,697 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:50:05,698 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:50:05,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_00cc54a9-5aae-4ec2-93ae-0f77b5828ac7/bin/uautomizer/../../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2020-12-01 15:50:05,763 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_00cc54a9-5aae-4ec2-93ae-0f77b5828ac7/bin/uautomizer/data/24d5769d9/8e728512af0642acb052b64778805423/FLAG8761d8f4a [2020-12-01 15:50:06,332 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:50:06,336 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_00cc54a9-5aae-4ec2-93ae-0f77b5828ac7/sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2020-12-01 15:50:06,359 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_00cc54a9-5aae-4ec2-93ae-0f77b5828ac7/bin/uautomizer/data/24d5769d9/8e728512af0642acb052b64778805423/FLAG8761d8f4a [2020-12-01 15:50:06,639 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_00cc54a9-5aae-4ec2-93ae-0f77b5828ac7/bin/uautomizer/data/24d5769d9/8e728512af0642acb052b64778805423 [2020-12-01 15:50:06,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:50:06,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:50:06,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:50:06,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:50:06,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:50:06,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:50:06" (1/1) ... [2020-12-01 15:50:06,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@181e5d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:06, skipping insertion in model container [2020-12-01 15:50:06,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:50:06" (1/1) ... [2020-12-01 15:50:06,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:50:06,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:50:06,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:50:07,007 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:50:07,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:50:07,080 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:50:07,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:07 WrapperNode [2020-12-01 15:50:07,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:50:07,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:50:07,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:50:07,082 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:50:07,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:07" (1/1) ... [2020-12-01 15:50:07,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:07" (1/1) ... [2020-12-01 15:50:07,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:50:07,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:50:07,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:50:07,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:50:07,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:07" (1/1) ... [2020-12-01 15:50:07,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:07" (1/1) ... [2020-12-01 15:50:07,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:07" (1/1) ... [2020-12-01 15:50:07,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:07" (1/1) ... [2020-12-01 15:50:07,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:07" (1/1) ... [2020-12-01 15:50:07,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:07" (1/1) ... [2020-12-01 15:50:07,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:07" (1/1) ... [2020-12-01 15:50:07,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:50:07,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:50:07,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:50:07,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:50:07,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00cc54a9-5aae-4ec2-93ae-0f77b5828ac7/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:50:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:50:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:50:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:50:07,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:50:07,562 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 15:50:08,248 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-12-01 15:50:08,248 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-12-01 15:50:08,258 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:50:08,259 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 15:50:08,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:50:08 BoogieIcfgContainer [2020-12-01 15:50:08,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:50:08,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:50:08,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:50:08,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:50:08,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:50:06" (1/3) ... [2020-12-01 15:50:08,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c5e0a31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:50:08, skipping insertion in model container [2020-12-01 15:50:08,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:07" (2/3) ... [2020-12-01 15:50:08,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c5e0a31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:50:08, skipping insertion in model container [2020-12-01 15:50:08,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:50:08" (3/3) ... [2020-12-01 15:50:08,269 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.BV.c.cil.c [2020-12-01 15:50:08,285 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:50:08,289 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-12-01 15:50:08,304 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-01 15:50:08,333 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:50:08,334 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:50:08,334 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:50:08,334 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:50:08,334 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:50:08,334 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:50:08,334 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:50:08,335 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:50:08,377 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2020-12-01 15:50:08,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 15:50:08,384 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:08,385 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:50:08,385 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:08,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:08,401 INFO L82 PathProgramCache]: Analyzing trace with hash -580333898, now seen corresponding path program 1 times [2020-12-01 15:50:08,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:08,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741579378] [2020-12-01 15:50:08,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:08,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:50:08,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741579378] [2020-12-01 15:50:08,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:08,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:08,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329000826] [2020-12-01 15:50:08,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:08,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:08,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:08,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:08,667 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 3 states. [2020-12-01 15:50:08,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:08,940 INFO L93 Difference]: Finished difference Result 313 states and 521 transitions. [2020-12-01 15:50:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:08,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-12-01 15:50:08,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:08,957 INFO L225 Difference]: With dead ends: 313 [2020-12-01 15:50:08,958 INFO L226 Difference]: Without dead ends: 150 [2020-12-01 15:50:08,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:08,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-12-01 15:50:09,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2020-12-01 15:50:09,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-12-01 15:50:09,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 225 transitions. [2020-12-01 15:50:09,024 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 225 transitions. Word has length 18 [2020-12-01 15:50:09,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:09,024 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 225 transitions. [2020-12-01 15:50:09,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:09,025 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 225 transitions. [2020-12-01 15:50:09,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 15:50:09,026 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:09,026 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:50:09,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:50:09,027 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:09,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:09,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1061870123, now seen corresponding path program 1 times [2020-12-01 15:50:09,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:09,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784495113] [2020-12-01 15:50:09,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:50:09,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784495113] [2020-12-01 15:50:09,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:09,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:09,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114312814] [2020-12-01 15:50:09,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:09,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:09,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:09,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:09,119 INFO L87 Difference]: Start difference. First operand 150 states and 225 transitions. Second operand 3 states. [2020-12-01 15:50:09,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:09,324 INFO L93 Difference]: Finished difference Result 302 states and 451 transitions. [2020-12-01 15:50:09,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:09,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-01 15:50:09,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:09,327 INFO L225 Difference]: With dead ends: 302 [2020-12-01 15:50:09,330 INFO L226 Difference]: Without dead ends: 160 [2020-12-01 15:50:09,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:09,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-12-01 15:50:09,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 151. [2020-12-01 15:50:09,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-12-01 15:50:09,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 226 transitions. [2020-12-01 15:50:09,367 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 226 transitions. Word has length 19 [2020-12-01 15:50:09,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:09,367 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 226 transitions. [2020-12-01 15:50:09,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:09,368 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 226 transitions. [2020-12-01 15:50:09,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 15:50:09,369 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:09,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:50:09,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:50:09,370 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:09,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:09,370 INFO L82 PathProgramCache]: Analyzing trace with hash 323589326, now seen corresponding path program 1 times [2020-12-01 15:50:09,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:09,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529810839] [2020-12-01 15:50:09,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:09,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:50:09,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529810839] [2020-12-01 15:50:09,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:09,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:09,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773002808] [2020-12-01 15:50:09,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:09,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:09,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:09,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:09,429 INFO L87 Difference]: Start difference. First operand 151 states and 226 transitions. Second operand 3 states. [2020-12-01 15:50:09,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:09,622 INFO L93 Difference]: Finished difference Result 304 states and 453 transitions. [2020-12-01 15:50:09,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:09,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-01 15:50:09,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:09,638 INFO L225 Difference]: With dead ends: 304 [2020-12-01 15:50:09,638 INFO L226 Difference]: Without dead ends: 161 [2020-12-01 15:50:09,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:09,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-12-01 15:50:09,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 152. [2020-12-01 15:50:09,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-12-01 15:50:09,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 227 transitions. [2020-12-01 15:50:09,654 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 227 transitions. Word has length 20 [2020-12-01 15:50:09,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:09,655 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 227 transitions. [2020-12-01 15:50:09,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:09,655 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 227 transitions. [2020-12-01 15:50:09,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 15:50:09,656 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:09,657 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:50:09,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:50:09,657 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:09,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:09,658 INFO L82 PathProgramCache]: Analyzing trace with hash -659408240, now seen corresponding path program 1 times [2020-12-01 15:50:09,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:09,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785742013] [2020-12-01 15:50:09,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:09,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:50:09,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785742013] [2020-12-01 15:50:09,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:09,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:09,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60934338] [2020-12-01 15:50:09,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:09,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:09,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:09,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:09,713 INFO L87 Difference]: Start difference. First operand 152 states and 227 transitions. Second operand 3 states. [2020-12-01 15:50:09,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:09,891 INFO L93 Difference]: Finished difference Result 306 states and 455 transitions. [2020-12-01 15:50:09,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:09,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-12-01 15:50:09,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:09,894 INFO L225 Difference]: With dead ends: 306 [2020-12-01 15:50:09,895 INFO L226 Difference]: Without dead ends: 162 [2020-12-01 15:50:09,897 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:09,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-12-01 15:50:09,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 153. [2020-12-01 15:50:09,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-12-01 15:50:09,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 228 transitions. [2020-12-01 15:50:09,924 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 228 transitions. Word has length 21 [2020-12-01 15:50:09,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:09,924 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 228 transitions. [2020-12-01 15:50:09,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:09,924 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 228 transitions. [2020-12-01 15:50:09,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 15:50:09,925 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:09,926 INFO L422 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] [2020-12-01 15:50:09,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 15:50:09,926 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:09,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:09,927 INFO L82 PathProgramCache]: Analyzing trace with hash -2050129239, now seen corresponding path program 1 times [2020-12-01 15:50:09,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:09,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23413568] [2020-12-01 15:50:09,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:10,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:50:10,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23413568] [2020-12-01 15:50:10,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:10,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:10,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435303760] [2020-12-01 15:50:10,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:10,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:10,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:10,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:10,035 INFO L87 Difference]: Start difference. First operand 153 states and 228 transitions. Second operand 3 states. [2020-12-01 15:50:10,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:10,192 INFO L93 Difference]: Finished difference Result 308 states and 457 transitions. [2020-12-01 15:50:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:10,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-01 15:50:10,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:10,199 INFO L225 Difference]: With dead ends: 308 [2020-12-01 15:50:10,200 INFO L226 Difference]: Without dead ends: 163 [2020-12-01 15:50:10,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:10,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-12-01 15:50:10,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 154. [2020-12-01 15:50:10,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-12-01 15:50:10,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 229 transitions. [2020-12-01 15:50:10,222 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 229 transitions. Word has length 22 [2020-12-01 15:50:10,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:10,223 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 229 transitions. [2020-12-01 15:50:10,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:10,223 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 229 transitions. [2020-12-01 15:50:10,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 15:50:10,230 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:10,231 INFO L422 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] [2020-12-01 15:50:10,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 15:50:10,231 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:10,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:10,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1990190120, now seen corresponding path program 1 times [2020-12-01 15:50:10,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:10,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245492049] [2020-12-01 15:50:10,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:10,335 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:50:10,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245492049] [2020-12-01 15:50:10,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:10,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:10,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083766363] [2020-12-01 15:50:10,337 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:10,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:10,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:10,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:10,338 INFO L87 Difference]: Start difference. First operand 154 states and 229 transitions. Second operand 3 states. [2020-12-01 15:50:10,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:10,560 INFO L93 Difference]: Finished difference Result 331 states and 499 transitions. [2020-12-01 15:50:10,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:10,561 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-12-01 15:50:10,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:10,563 INFO L225 Difference]: With dead ends: 331 [2020-12-01 15:50:10,563 INFO L226 Difference]: Without dead ends: 185 [2020-12-01 15:50:10,564 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:10,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-12-01 15:50:10,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-12-01 15:50:10,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-12-01 15:50:10,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 281 transitions. [2020-12-01 15:50:10,575 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 281 transitions. Word has length 47 [2020-12-01 15:50:10,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:10,575 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 281 transitions. [2020-12-01 15:50:10,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:10,576 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 281 transitions. [2020-12-01 15:50:10,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 15:50:10,577 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:10,578 INFO L422 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] [2020-12-01 15:50:10,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-01 15:50:10,578 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:10,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:10,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1367947310, now seen corresponding path program 1 times [2020-12-01 15:50:10,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:10,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422545296] [2020-12-01 15:50:10,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:10,648 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 15:50:10,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422545296] [2020-12-01 15:50:10,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:10,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:10,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900144179] [2020-12-01 15:50:10,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:10,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:10,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:10,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:10,653 INFO L87 Difference]: Start difference. First operand 185 states and 281 transitions. Second operand 3 states. [2020-12-01 15:50:10,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:10,794 INFO L93 Difference]: Finished difference Result 380 states and 575 transitions. [2020-12-01 15:50:10,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:10,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-12-01 15:50:10,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:10,797 INFO L225 Difference]: With dead ends: 380 [2020-12-01 15:50:10,797 INFO L226 Difference]: Without dead ends: 203 [2020-12-01 15:50:10,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:10,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-12-01 15:50:10,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 201. [2020-12-01 15:50:10,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-12-01 15:50:10,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 302 transitions. [2020-12-01 15:50:10,812 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 302 transitions. Word has length 59 [2020-12-01 15:50:10,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:10,814 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 302 transitions. [2020-12-01 15:50:10,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:10,814 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 302 transitions. [2020-12-01 15:50:10,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 15:50:10,815 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:10,816 INFO L422 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] [2020-12-01 15:50:10,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-01 15:50:10,816 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:10,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:10,817 INFO L82 PathProgramCache]: Analyzing trace with hash -2136164213, now seen corresponding path program 1 times [2020-12-01 15:50:10,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:10,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954146776] [2020-12-01 15:50:10,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:10,861 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 15:50:10,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954146776] [2020-12-01 15:50:10,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:10,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:10,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642496494] [2020-12-01 15:50:10,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:10,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:10,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:10,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:10,864 INFO L87 Difference]: Start difference. First operand 201 states and 302 transitions. Second operand 3 states. [2020-12-01 15:50:11,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:11,005 INFO L93 Difference]: Finished difference Result 397 states and 596 transitions. [2020-12-01 15:50:11,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:11,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-12-01 15:50:11,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:11,007 INFO L225 Difference]: With dead ends: 397 [2020-12-01 15:50:11,007 INFO L226 Difference]: Without dead ends: 204 [2020-12-01 15:50:11,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:11,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-12-01 15:50:11,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 202. [2020-12-01 15:50:11,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-12-01 15:50:11,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 302 transitions. [2020-12-01 15:50:11,020 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 302 transitions. Word has length 60 [2020-12-01 15:50:11,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:11,021 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 302 transitions. [2020-12-01 15:50:11,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:11,021 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 302 transitions. [2020-12-01 15:50:11,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-01 15:50:11,022 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:11,023 INFO L422 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] [2020-12-01 15:50:11,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-01 15:50:11,023 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:11,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:11,024 INFO L82 PathProgramCache]: Analyzing trace with hash -956503025, now seen corresponding path program 1 times [2020-12-01 15:50:11,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:11,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890999777] [2020-12-01 15:50:11,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:11,094 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 15:50:11,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890999777] [2020-12-01 15:50:11,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:11,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:11,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340011296] [2020-12-01 15:50:11,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:11,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:11,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:11,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:11,097 INFO L87 Difference]: Start difference. First operand 202 states and 302 transitions. Second operand 3 states. [2020-12-01 15:50:11,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:11,279 INFO L93 Difference]: Finished difference Result 440 states and 667 transitions. [2020-12-01 15:50:11,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:11,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-12-01 15:50:11,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:11,283 INFO L225 Difference]: With dead ends: 440 [2020-12-01 15:50:11,283 INFO L226 Difference]: Without dead ends: 246 [2020-12-01 15:50:11,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:11,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-12-01 15:50:11,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 244. [2020-12-01 15:50:11,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-12-01 15:50:11,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 373 transitions. [2020-12-01 15:50:11,306 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 373 transitions. Word has length 73 [2020-12-01 15:50:11,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:11,308 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 373 transitions. [2020-12-01 15:50:11,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:11,308 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 373 transitions. [2020-12-01 15:50:11,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-01 15:50:11,309 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:11,309 INFO L422 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] [2020-12-01 15:50:11,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-01 15:50:11,311 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:11,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:11,314 INFO L82 PathProgramCache]: Analyzing trace with hash 603125704, now seen corresponding path program 1 times [2020-12-01 15:50:11,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:11,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143369379] [2020-12-01 15:50:11,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:11,414 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 15:50:11,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143369379] [2020-12-01 15:50:11,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:11,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:11,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107159979] [2020-12-01 15:50:11,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:11,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:11,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:11,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:11,425 INFO L87 Difference]: Start difference. First operand 244 states and 373 transitions. Second operand 3 states. [2020-12-01 15:50:11,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:11,619 INFO L93 Difference]: Finished difference Result 514 states and 789 transitions. [2020-12-01 15:50:11,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:11,620 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-12-01 15:50:11,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:11,622 INFO L225 Difference]: With dead ends: 514 [2020-12-01 15:50:11,622 INFO L226 Difference]: Without dead ends: 278 [2020-12-01 15:50:11,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:11,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-12-01 15:50:11,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 271. [2020-12-01 15:50:11,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-12-01 15:50:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 413 transitions. [2020-12-01 15:50:11,638 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 413 transitions. Word has length 74 [2020-12-01 15:50:11,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:11,640 INFO L481 AbstractCegarLoop]: Abstraction has 271 states and 413 transitions. [2020-12-01 15:50:11,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:11,641 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 413 transitions. [2020-12-01 15:50:11,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-01 15:50:11,642 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:11,642 INFO L422 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] [2020-12-01 15:50:11,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-01 15:50:11,643 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:11,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:11,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1649015640, now seen corresponding path program 1 times [2020-12-01 15:50:11,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:11,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639104645] [2020-12-01 15:50:11,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:11,729 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 15:50:11,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639104645] [2020-12-01 15:50:11,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:11,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:11,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127901271] [2020-12-01 15:50:11,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:11,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:11,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:11,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:11,734 INFO L87 Difference]: Start difference. First operand 271 states and 413 transitions. Second operand 3 states. [2020-12-01 15:50:11,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:11,929 INFO L93 Difference]: Finished difference Result 537 states and 818 transitions. [2020-12-01 15:50:11,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:11,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-12-01 15:50:11,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:11,932 INFO L225 Difference]: With dead ends: 537 [2020-12-01 15:50:11,932 INFO L226 Difference]: Without dead ends: 274 [2020-12-01 15:50:11,933 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:11,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-12-01 15:50:11,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 272. [2020-12-01 15:50:11,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-12-01 15:50:11,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 413 transitions. [2020-12-01 15:50:11,949 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 413 transitions. Word has length 74 [2020-12-01 15:50:11,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:11,949 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 413 transitions. [2020-12-01 15:50:11,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:11,950 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 413 transitions. [2020-12-01 15:50:11,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 15:50:11,951 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:11,951 INFO L422 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] [2020-12-01 15:50:11,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-01 15:50:11,952 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:11,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:11,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1207629393, now seen corresponding path program 1 times [2020-12-01 15:50:11,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:11,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876007085] [2020-12-01 15:50:11,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:12,016 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 15:50:12,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876007085] [2020-12-01 15:50:12,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:12,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:12,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962595403] [2020-12-01 15:50:12,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:12,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:12,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:12,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:12,020 INFO L87 Difference]: Start difference. First operand 272 states and 413 transitions. Second operand 3 states. [2020-12-01 15:50:12,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:12,215 INFO L93 Difference]: Finished difference Result 543 states and 826 transitions. [2020-12-01 15:50:12,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:12,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-12-01 15:50:12,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:12,221 INFO L225 Difference]: With dead ends: 543 [2020-12-01 15:50:12,221 INFO L226 Difference]: Without dead ends: 279 [2020-12-01 15:50:12,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:12,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-12-01 15:50:12,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 272. [2020-12-01 15:50:12,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-12-01 15:50:12,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 410 transitions. [2020-12-01 15:50:12,237 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 410 transitions. Word has length 75 [2020-12-01 15:50:12,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:12,237 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 410 transitions. [2020-12-01 15:50:12,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:12,238 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 410 transitions. [2020-12-01 15:50:12,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-01 15:50:12,239 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:12,239 INFO L422 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] [2020-12-01 15:50:12,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-01 15:50:12,240 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:12,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:12,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1576887455, now seen corresponding path program 1 times [2020-12-01 15:50:12,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:12,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77699665] [2020-12-01 15:50:12,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:12,312 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 15:50:12,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77699665] [2020-12-01 15:50:12,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:12,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:12,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685567725] [2020-12-01 15:50:12,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:12,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:12,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:12,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:12,318 INFO L87 Difference]: Start difference. First operand 272 states and 410 transitions. Second operand 3 states. [2020-12-01 15:50:12,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:12,546 INFO L93 Difference]: Finished difference Result 583 states and 882 transitions. [2020-12-01 15:50:12,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:12,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-12-01 15:50:12,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:12,550 INFO L225 Difference]: With dead ends: 583 [2020-12-01 15:50:12,550 INFO L226 Difference]: Without dead ends: 319 [2020-12-01 15:50:12,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:12,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-12-01 15:50:12,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 315. [2020-12-01 15:50:12,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2020-12-01 15:50:12,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 479 transitions. [2020-12-01 15:50:12,569 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 479 transitions. Word has length 90 [2020-12-01 15:50:12,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:12,570 INFO L481 AbstractCegarLoop]: Abstraction has 315 states and 479 transitions. [2020-12-01 15:50:12,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:12,570 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 479 transitions. [2020-12-01 15:50:12,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-01 15:50:12,572 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:12,572 INFO L422 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] [2020-12-01 15:50:12,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-01 15:50:12,573 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:12,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:12,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1659002301, now seen corresponding path program 1 times [2020-12-01 15:50:12,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:12,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690082769] [2020-12-01 15:50:12,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:12,632 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 15:50:12,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690082769] [2020-12-01 15:50:12,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:12,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:12,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339482842] [2020-12-01 15:50:12,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:12,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:12,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:12,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:12,636 INFO L87 Difference]: Start difference. First operand 315 states and 479 transitions. Second operand 3 states. [2020-12-01 15:50:12,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:12,855 INFO L93 Difference]: Finished difference Result 638 states and 973 transitions. [2020-12-01 15:50:12,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:12,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-12-01 15:50:12,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:12,858 INFO L225 Difference]: With dead ends: 638 [2020-12-01 15:50:12,858 INFO L226 Difference]: Without dead ends: 329 [2020-12-01 15:50:12,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:12,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-12-01 15:50:12,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 325. [2020-12-01 15:50:12,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-12-01 15:50:12,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 498 transitions. [2020-12-01 15:50:12,875 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 498 transitions. Word has length 91 [2020-12-01 15:50:12,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:12,876 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 498 transitions. [2020-12-01 15:50:12,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:12,876 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 498 transitions. [2020-12-01 15:50:12,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-01 15:50:12,877 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:12,878 INFO L422 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] [2020-12-01 15:50:12,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-01 15:50:12,878 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:12,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:12,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1994556924, now seen corresponding path program 1 times [2020-12-01 15:50:12,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:12,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654005539] [2020-12-01 15:50:12,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:12,930 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-01 15:50:12,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654005539] [2020-12-01 15:50:12,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:12,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:12,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613264520] [2020-12-01 15:50:12,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:12,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:12,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:12,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:12,933 INFO L87 Difference]: Start difference. First operand 325 states and 498 transitions. Second operand 3 states. [2020-12-01 15:50:13,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:13,111 INFO L93 Difference]: Finished difference Result 679 states and 1043 transitions. [2020-12-01 15:50:13,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:13,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-12-01 15:50:13,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:13,114 INFO L225 Difference]: With dead ends: 679 [2020-12-01 15:50:13,114 INFO L226 Difference]: Without dead ends: 362 [2020-12-01 15:50:13,117 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:13,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2020-12-01 15:50:13,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 350. [2020-12-01 15:50:13,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-12-01 15:50:13,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 532 transitions. [2020-12-01 15:50:13,133 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 532 transitions. Word has length 100 [2020-12-01 15:50:13,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:13,133 INFO L481 AbstractCegarLoop]: Abstraction has 350 states and 532 transitions. [2020-12-01 15:50:13,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:13,134 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 532 transitions. [2020-12-01 15:50:13,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-01 15:50:13,135 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:13,136 INFO L422 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] [2020-12-01 15:50:13,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-01 15:50:13,136 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:13,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:13,137 INFO L82 PathProgramCache]: Analyzing trace with hash 98352259, now seen corresponding path program 1 times [2020-12-01 15:50:13,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:13,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059272627] [2020-12-01 15:50:13,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:13,182 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-01 15:50:13,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059272627] [2020-12-01 15:50:13,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:13,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:13,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163210204] [2020-12-01 15:50:13,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:13,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:13,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:13,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:13,189 INFO L87 Difference]: Start difference. First operand 350 states and 532 transitions. Second operand 3 states. [2020-12-01 15:50:13,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:13,372 INFO L93 Difference]: Finished difference Result 704 states and 1072 transitions. [2020-12-01 15:50:13,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:13,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-12-01 15:50:13,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:13,376 INFO L225 Difference]: With dead ends: 704 [2020-12-01 15:50:13,376 INFO L226 Difference]: Without dead ends: 362 [2020-12-01 15:50:13,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:13,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2020-12-01 15:50:13,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 350. [2020-12-01 15:50:13,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-12-01 15:50:13,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 527 transitions. [2020-12-01 15:50:13,394 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 527 transitions. Word has length 101 [2020-12-01 15:50:13,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:13,394 INFO L481 AbstractCegarLoop]: Abstraction has 350 states and 527 transitions. [2020-12-01 15:50:13,394 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:13,394 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 527 transitions. [2020-12-01 15:50:13,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-01 15:50:13,396 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:13,396 INFO L422 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] [2020-12-01 15:50:13,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-01 15:50:13,397 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:13,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:13,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1920296106, now seen corresponding path program 1 times [2020-12-01 15:50:13,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:13,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743141430] [2020-12-01 15:50:13,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:13,459 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-12-01 15:50:13,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743141430] [2020-12-01 15:50:13,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:13,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:13,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606350937] [2020-12-01 15:50:13,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:13,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:13,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:13,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:13,463 INFO L87 Difference]: Start difference. First operand 350 states and 527 transitions. Second operand 3 states. [2020-12-01 15:50:13,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:13,640 INFO L93 Difference]: Finished difference Result 719 states and 1082 transitions. [2020-12-01 15:50:13,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:13,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-12-01 15:50:13,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:13,643 INFO L225 Difference]: With dead ends: 719 [2020-12-01 15:50:13,644 INFO L226 Difference]: Without dead ends: 377 [2020-12-01 15:50:13,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:13,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-12-01 15:50:13,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 374. [2020-12-01 15:50:13,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-12-01 15:50:13,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 557 transitions. [2020-12-01 15:50:13,666 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 557 transitions. Word has length 120 [2020-12-01 15:50:13,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:13,666 INFO L481 AbstractCegarLoop]: Abstraction has 374 states and 557 transitions. [2020-12-01 15:50:13,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:13,667 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 557 transitions. [2020-12-01 15:50:13,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-01 15:50:13,669 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:13,669 INFO L422 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] [2020-12-01 15:50:13,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-01 15:50:13,670 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:13,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:13,670 INFO L82 PathProgramCache]: Analyzing trace with hash -698248943, now seen corresponding path program 1 times [2020-12-01 15:50:13,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:13,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616532386] [2020-12-01 15:50:13,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:13,726 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-12-01 15:50:13,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616532386] [2020-12-01 15:50:13,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:13,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:13,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035049470] [2020-12-01 15:50:13,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:13,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:13,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:13,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:13,736 INFO L87 Difference]: Start difference. First operand 374 states and 557 transitions. Second operand 3 states. [2020-12-01 15:50:13,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:13,915 INFO L93 Difference]: Finished difference Result 743 states and 1106 transitions. [2020-12-01 15:50:13,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:13,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-01 15:50:13,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:13,918 INFO L225 Difference]: With dead ends: 743 [2020-12-01 15:50:13,919 INFO L226 Difference]: Without dead ends: 377 [2020-12-01 15:50:13,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:13,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-12-01 15:50:13,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 374. [2020-12-01 15:50:13,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-12-01 15:50:13,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 551 transitions. [2020-12-01 15:50:13,937 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 551 transitions. Word has length 121 [2020-12-01 15:50:13,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:13,937 INFO L481 AbstractCegarLoop]: Abstraction has 374 states and 551 transitions. [2020-12-01 15:50:13,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:13,938 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 551 transitions. [2020-12-01 15:50:13,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-01 15:50:13,940 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:13,940 INFO L422 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] [2020-12-01 15:50:13,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-01 15:50:13,941 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:13,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:13,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1095545664, now seen corresponding path program 1 times [2020-12-01 15:50:13,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:13,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011961888] [2020-12-01 15:50:13,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:14,012 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 15:50:14,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011961888] [2020-12-01 15:50:14,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:14,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:14,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467327355] [2020-12-01 15:50:14,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:14,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:14,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:14,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:14,016 INFO L87 Difference]: Start difference. First operand 374 states and 551 transitions. Second operand 3 states. [2020-12-01 15:50:14,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:14,229 INFO L93 Difference]: Finished difference Result 785 states and 1156 transitions. [2020-12-01 15:50:14,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:14,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2020-12-01 15:50:14,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:14,232 INFO L225 Difference]: With dead ends: 785 [2020-12-01 15:50:14,233 INFO L226 Difference]: Without dead ends: 419 [2020-12-01 15:50:14,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:14,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2020-12-01 15:50:14,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 415. [2020-12-01 15:50:14,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2020-12-01 15:50:14,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 610 transitions. [2020-12-01 15:50:14,253 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 610 transitions. Word has length 130 [2020-12-01 15:50:14,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:14,254 INFO L481 AbstractCegarLoop]: Abstraction has 415 states and 610 transitions. [2020-12-01 15:50:14,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:14,254 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 610 transitions. [2020-12-01 15:50:14,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-12-01 15:50:14,256 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:14,256 INFO L422 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] [2020-12-01 15:50:14,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-01 15:50:14,257 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:14,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:14,257 INFO L82 PathProgramCache]: Analyzing trace with hash 850220610, now seen corresponding path program 1 times [2020-12-01 15:50:14,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:14,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50580922] [2020-12-01 15:50:14,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:14,320 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 15:50:14,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50580922] [2020-12-01 15:50:14,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:14,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:14,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640579502] [2020-12-01 15:50:14,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:14,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:14,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:14,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:14,323 INFO L87 Difference]: Start difference. First operand 415 states and 610 transitions. Second operand 3 states. [2020-12-01 15:50:14,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:14,540 INFO L93 Difference]: Finished difference Result 826 states and 1213 transitions. [2020-12-01 15:50:14,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:14,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2020-12-01 15:50:14,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:14,543 INFO L225 Difference]: With dead ends: 826 [2020-12-01 15:50:14,544 INFO L226 Difference]: Without dead ends: 417 [2020-12-01 15:50:14,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:14,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2020-12-01 15:50:14,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 413. [2020-12-01 15:50:14,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-12-01 15:50:14,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 605 transitions. [2020-12-01 15:50:14,565 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 605 transitions. Word has length 131 [2020-12-01 15:50:14,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:14,565 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 605 transitions. [2020-12-01 15:50:14,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:14,565 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 605 transitions. [2020-12-01 15:50:14,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-01 15:50:14,568 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:14,568 INFO L422 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] [2020-12-01 15:50:14,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-01 15:50:14,568 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:14,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:14,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1977670215, now seen corresponding path program 1 times [2020-12-01 15:50:14,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:14,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949673749] [2020-12-01 15:50:14,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:14,628 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-12-01 15:50:14,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949673749] [2020-12-01 15:50:14,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:14,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:14,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969688668] [2020-12-01 15:50:14,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:14,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:14,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:14,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:14,631 INFO L87 Difference]: Start difference. First operand 413 states and 605 transitions. Second operand 3 states. [2020-12-01 15:50:14,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:14,813 INFO L93 Difference]: Finished difference Result 843 states and 1235 transitions. [2020-12-01 15:50:14,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:14,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-12-01 15:50:14,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:14,817 INFO L225 Difference]: With dead ends: 843 [2020-12-01 15:50:14,817 INFO L226 Difference]: Without dead ends: 438 [2020-12-01 15:50:14,818 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:14,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-12-01 15:50:14,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 434. [2020-12-01 15:50:14,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-12-01 15:50:14,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 628 transitions. [2020-12-01 15:50:14,840 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 628 transitions. Word has length 141 [2020-12-01 15:50:14,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:14,841 INFO L481 AbstractCegarLoop]: Abstraction has 434 states and 628 transitions. [2020-12-01 15:50:14,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 628 transitions. [2020-12-01 15:50:14,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 15:50:14,843 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:14,843 INFO L422 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] [2020-12-01 15:50:14,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-01 15:50:14,844 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:14,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:14,844 INFO L82 PathProgramCache]: Analyzing trace with hash -2018786222, now seen corresponding path program 1 times [2020-12-01 15:50:14,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:14,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078424006] [2020-12-01 15:50:14,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:14,893 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-12-01 15:50:14,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078424006] [2020-12-01 15:50:14,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:14,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:14,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486680154] [2020-12-01 15:50:14,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:14,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:14,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:14,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:14,896 INFO L87 Difference]: Start difference. First operand 434 states and 628 transitions. Second operand 3 states. [2020-12-01 15:50:15,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:15,090 INFO L93 Difference]: Finished difference Result 864 states and 1250 transitions. [2020-12-01 15:50:15,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:15,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-12-01 15:50:15,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:15,094 INFO L225 Difference]: With dead ends: 864 [2020-12-01 15:50:15,094 INFO L226 Difference]: Without dead ends: 438 [2020-12-01 15:50:15,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:15,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-12-01 15:50:15,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 434. [2020-12-01 15:50:15,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-12-01 15:50:15,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 620 transitions. [2020-12-01 15:50:15,120 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 620 transitions. Word has length 142 [2020-12-01 15:50:15,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:15,121 INFO L481 AbstractCegarLoop]: Abstraction has 434 states and 620 transitions. [2020-12-01 15:50:15,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:15,121 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 620 transitions. [2020-12-01 15:50:15,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-01 15:50:15,124 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:15,124 INFO L422 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] [2020-12-01 15:50:15,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-01 15:50:15,125 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:15,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:15,126 INFO L82 PathProgramCache]: Analyzing trace with hash -136164042, now seen corresponding path program 1 times [2020-12-01 15:50:15,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:15,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612713340] [2020-12-01 15:50:15,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:15,208 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-12-01 15:50:15,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612713340] [2020-12-01 15:50:15,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:15,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:15,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91200203] [2020-12-01 15:50:15,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:15,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:15,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:15,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:15,215 INFO L87 Difference]: Start difference. First operand 434 states and 620 transitions. Second operand 3 states. [2020-12-01 15:50:15,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:15,263 INFO L93 Difference]: Finished difference Result 1280 states and 1824 transitions. [2020-12-01 15:50:15,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:15,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2020-12-01 15:50:15,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:15,270 INFO L225 Difference]: With dead ends: 1280 [2020-12-01 15:50:15,270 INFO L226 Difference]: Without dead ends: 854 [2020-12-01 15:50:15,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:15,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2020-12-01 15:50:15,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 435. [2020-12-01 15:50:15,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2020-12-01 15:50:15,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 621 transitions. [2020-12-01 15:50:15,299 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 621 transitions. Word has length 157 [2020-12-01 15:50:15,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:15,299 INFO L481 AbstractCegarLoop]: Abstraction has 435 states and 621 transitions. [2020-12-01 15:50:15,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:15,300 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 621 transitions. [2020-12-01 15:50:15,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-01 15:50:15,302 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:15,303 INFO L422 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] [2020-12-01 15:50:15,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-01 15:50:15,303 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:15,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:15,304 INFO L82 PathProgramCache]: Analyzing trace with hash -877621738, now seen corresponding path program 1 times [2020-12-01 15:50:15,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:15,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764180549] [2020-12-01 15:50:15,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:15,415 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-12-01 15:50:15,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764180549] [2020-12-01 15:50:15,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388908526] [2020-12-01 15:50:15,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00cc54a9-5aae-4ec2-93ae-0f77b5828ac7/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:50:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:15,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:50:15,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:50:15,981 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-12-01 15:50:15,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 15:50:15,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-12-01 15:50:15,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742990140] [2020-12-01 15:50:15,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:50:15,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:15,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:50:15,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:50:15,984 INFO L87 Difference]: Start difference. First operand 435 states and 621 transitions. Second operand 4 states. [2020-12-01 15:50:16,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:16,477 INFO L93 Difference]: Finished difference Result 1356 states and 1933 transitions. [2020-12-01 15:50:16,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 15:50:16,477 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 157 [2020-12-01 15:50:16,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:16,483 INFO L225 Difference]: With dead ends: 1356 [2020-12-01 15:50:16,483 INFO L226 Difference]: Without dead ends: 904 [2020-12-01 15:50:16,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:50:16,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2020-12-01 15:50:16,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 533. [2020-12-01 15:50:16,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2020-12-01 15:50:16,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 762 transitions. [2020-12-01 15:50:16,521 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 762 transitions. Word has length 157 [2020-12-01 15:50:16,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:16,522 INFO L481 AbstractCegarLoop]: Abstraction has 533 states and 762 transitions. [2020-12-01 15:50:16,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:50:16,522 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 762 transitions. [2020-12-01 15:50:16,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-12-01 15:50:16,524 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:16,525 INFO L422 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] [2020-12-01 15:50:16,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2020-12-01 15:50:16,753 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:16,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:16,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1902183378, now seen corresponding path program 1 times [2020-12-01 15:50:16,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:16,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983218599] [2020-12-01 15:50:16,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:16,849 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-12-01 15:50:16,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983218599] [2020-12-01 15:50:16,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554279734] [2020-12-01 15:50:16,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00cc54a9-5aae-4ec2-93ae-0f77b5828ac7/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:50:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:16,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:50:17,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:50:17,316 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-12-01 15:50:17,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 15:50:17,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-12-01 15:50:17,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467698862] [2020-12-01 15:50:17,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:50:17,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:17,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:50:17,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:50:17,332 INFO L87 Difference]: Start difference. First operand 533 states and 762 transitions. Second operand 4 states. [2020-12-01 15:50:17,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:17,812 INFO L93 Difference]: Finished difference Result 1477 states and 2099 transitions. [2020-12-01 15:50:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 15:50:17,813 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 159 [2020-12-01 15:50:17,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:17,820 INFO L225 Difference]: With dead ends: 1477 [2020-12-01 15:50:17,820 INFO L226 Difference]: Without dead ends: 952 [2020-12-01 15:50:17,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:50:17,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2020-12-01 15:50:17,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 588. [2020-12-01 15:50:17,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-12-01 15:50:17,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 802 transitions. [2020-12-01 15:50:17,860 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 802 transitions. Word has length 159 [2020-12-01 15:50:17,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:17,860 INFO L481 AbstractCegarLoop]: Abstraction has 588 states and 802 transitions. [2020-12-01 15:50:17,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:50:17,861 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 802 transitions. [2020-12-01 15:50:17,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-12-01 15:50:17,863 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:17,864 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 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] [2020-12-01 15:50:18,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-12-01 15:50:18,089 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:18,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:18,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1057676942, now seen corresponding path program 1 times [2020-12-01 15:50:18,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:18,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346463502] [2020-12-01 15:50:18,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:18,191 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 97 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-12-01 15:50:18,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346463502] [2020-12-01 15:50:18,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547506414] [2020-12-01 15:50:18,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00cc54a9-5aae-4ec2-93ae-0f77b5828ac7/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:50:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:18,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:50:18,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:50:18,551 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 97 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-12-01 15:50:18,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 15:50:18,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-12-01 15:50:18,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948243707] [2020-12-01 15:50:18,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:50:18,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:18,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:50:18,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:50:18,555 INFO L87 Difference]: Start difference. First operand 588 states and 802 transitions. Second operand 4 states. [2020-12-01 15:50:18,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:18,950 INFO L93 Difference]: Finished difference Result 1485 states and 2023 transitions. [2020-12-01 15:50:18,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 15:50:18,951 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 167 [2020-12-01 15:50:18,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:18,957 INFO L225 Difference]: With dead ends: 1485 [2020-12-01 15:50:18,957 INFO L226 Difference]: Without dead ends: 898 [2020-12-01 15:50:18,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:50:18,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2020-12-01 15:50:18,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 516. [2020-12-01 15:50:18,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-12-01 15:50:18,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 701 transitions. [2020-12-01 15:50:18,997 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 701 transitions. Word has length 167 [2020-12-01 15:50:18,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:18,998 INFO L481 AbstractCegarLoop]: Abstraction has 516 states and 701 transitions. [2020-12-01 15:50:18,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:50:18,998 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 701 transitions. [2020-12-01 15:50:19,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-12-01 15:50:19,002 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:19,002 INFO L422 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] [2020-12-01 15:50:19,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2020-12-01 15:50:19,218 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:19,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:19,218 INFO L82 PathProgramCache]: Analyzing trace with hash 2140887848, now seen corresponding path program 1 times [2020-12-01 15:50:19,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:19,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702346079] [2020-12-01 15:50:19,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:19,310 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-12-01 15:50:19,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702346079] [2020-12-01 15:50:19,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:19,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:19,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932637795] [2020-12-01 15:50:19,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:19,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:19,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:19,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:19,312 INFO L87 Difference]: Start difference. First operand 516 states and 701 transitions. Second operand 3 states. [2020-12-01 15:50:19,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:19,362 INFO L93 Difference]: Finished difference Result 1227 states and 1657 transitions. [2020-12-01 15:50:19,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:19,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2020-12-01 15:50:19,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:19,366 INFO L225 Difference]: With dead ends: 1227 [2020-12-01 15:50:19,366 INFO L226 Difference]: Without dead ends: 478 [2020-12-01 15:50:19,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:19,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2020-12-01 15:50:19,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2020-12-01 15:50:19,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-12-01 15:50:19,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 649 transitions. [2020-12-01 15:50:19,394 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 649 transitions. Word has length 169 [2020-12-01 15:50:19,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:19,394 INFO L481 AbstractCegarLoop]: Abstraction has 478 states and 649 transitions. [2020-12-01 15:50:19,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:19,395 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 649 transitions. [2020-12-01 15:50:19,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-12-01 15:50:19,398 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:19,398 INFO L422 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] [2020-12-01 15:50:19,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-01 15:50:19,399 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:19,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:19,399 INFO L82 PathProgramCache]: Analyzing trace with hash -873338986, now seen corresponding path program 1 times [2020-12-01 15:50:19,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:19,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762755448] [2020-12-01 15:50:19,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:19,481 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2020-12-01 15:50:19,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762755448] [2020-12-01 15:50:19,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:19,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:19,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478445409] [2020-12-01 15:50:19,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:19,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:19,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:19,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:19,483 INFO L87 Difference]: Start difference. First operand 478 states and 649 transitions. Second operand 3 states. [2020-12-01 15:50:19,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:19,668 INFO L93 Difference]: Finished difference Result 965 states and 1305 transitions. [2020-12-01 15:50:19,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:19,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2020-12-01 15:50:19,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:19,672 INFO L225 Difference]: With dead ends: 965 [2020-12-01 15:50:19,672 INFO L226 Difference]: Without dead ends: 483 [2020-12-01 15:50:19,673 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:19,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-12-01 15:50:19,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 479. [2020-12-01 15:50:19,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2020-12-01 15:50:19,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 640 transitions. [2020-12-01 15:50:19,702 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 640 transitions. Word has length 201 [2020-12-01 15:50:19,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:19,703 INFO L481 AbstractCegarLoop]: Abstraction has 479 states and 640 transitions. [2020-12-01 15:50:19,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:19,703 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 640 transitions. [2020-12-01 15:50:19,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-12-01 15:50:19,709 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:19,709 INFO L422 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] [2020-12-01 15:50:19,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-01 15:50:19,710 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:19,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:19,711 INFO L82 PathProgramCache]: Analyzing trace with hash 840195126, now seen corresponding path program 1 times [2020-12-01 15:50:19,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:19,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666518662] [2020-12-01 15:50:19,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:19,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 700 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2020-12-01 15:50:19,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666518662] [2020-12-01 15:50:19,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:19,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:19,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991028746] [2020-12-01 15:50:19,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:19,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:19,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:19,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:19,881 INFO L87 Difference]: Start difference. First operand 479 states and 640 transitions. Second operand 3 states. [2020-12-01 15:50:20,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:20,064 INFO L93 Difference]: Finished difference Result 986 states and 1311 transitions. [2020-12-01 15:50:20,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:20,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 340 [2020-12-01 15:50:20,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:20,068 INFO L225 Difference]: With dead ends: 986 [2020-12-01 15:50:20,068 INFO L226 Difference]: Without dead ends: 515 [2020-12-01 15:50:20,070 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:20,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-12-01 15:50:20,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 513. [2020-12-01 15:50:20,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-12-01 15:50:20,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 679 transitions. [2020-12-01 15:50:20,096 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 679 transitions. Word has length 340 [2020-12-01 15:50:20,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:20,097 INFO L481 AbstractCegarLoop]: Abstraction has 513 states and 679 transitions. [2020-12-01 15:50:20,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:20,097 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 679 transitions. [2020-12-01 15:50:20,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2020-12-01 15:50:20,105 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:20,105 INFO L422 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] [2020-12-01 15:50:20,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-01 15:50:20,106 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:20,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:20,106 INFO L82 PathProgramCache]: Analyzing trace with hash 299615116, now seen corresponding path program 1 times [2020-12-01 15:50:20,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:20,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102367926] [2020-12-01 15:50:20,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1424 backedges. 824 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2020-12-01 15:50:20,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102367926] [2020-12-01 15:50:20,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:20,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:20,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836097802] [2020-12-01 15:50:20,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:20,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:20,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:20,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:20,291 INFO L87 Difference]: Start difference. First operand 513 states and 679 transitions. Second operand 3 states. [2020-12-01 15:50:20,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:20,469 INFO L93 Difference]: Finished difference Result 1056 states and 1393 transitions. [2020-12-01 15:50:20,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:20,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 371 [2020-12-01 15:50:20,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:20,473 INFO L225 Difference]: With dead ends: 1056 [2020-12-01 15:50:20,474 INFO L226 Difference]: Without dead ends: 551 [2020-12-01 15:50:20,475 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:20,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2020-12-01 15:50:20,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 549. [2020-12-01 15:50:20,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2020-12-01 15:50:20,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 720 transitions. [2020-12-01 15:50:20,512 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 720 transitions. Word has length 371 [2020-12-01 15:50:20,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:20,513 INFO L481 AbstractCegarLoop]: Abstraction has 549 states and 720 transitions. [2020-12-01 15:50:20,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:20,513 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 720 transitions. [2020-12-01 15:50:20,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2020-12-01 15:50:20,522 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:20,523 INFO L422 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] [2020-12-01 15:50:20,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-01 15:50:20,523 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:20,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:20,524 INFO L82 PathProgramCache]: Analyzing trace with hash 521510171, now seen corresponding path program 1 times [2020-12-01 15:50:20,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:20,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132938625] [2020-12-01 15:50:20,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:20,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 970 proven. 0 refuted. 0 times theorem prover too weak. 749 trivial. 0 not checked. [2020-12-01 15:50:20,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132938625] [2020-12-01 15:50:20,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:20,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:20,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297423095] [2020-12-01 15:50:20,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:20,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:20,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:20,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:20,955 INFO L87 Difference]: Start difference. First operand 549 states and 720 transitions. Second operand 3 states. [2020-12-01 15:50:21,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:21,026 INFO L93 Difference]: Finished difference Result 1500 states and 1957 transitions. [2020-12-01 15:50:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:21,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 404 [2020-12-01 15:50:21,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:21,033 INFO L225 Difference]: With dead ends: 1500 [2020-12-01 15:50:21,033 INFO L226 Difference]: Without dead ends: 959 [2020-12-01 15:50:21,034 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:21,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2020-12-01 15:50:21,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 959. [2020-12-01 15:50:21,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 959 states. [2020-12-01 15:50:21,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1245 transitions. [2020-12-01 15:50:21,088 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1245 transitions. Word has length 404 [2020-12-01 15:50:21,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:21,089 INFO L481 AbstractCegarLoop]: Abstraction has 959 states and 1245 transitions. [2020-12-01 15:50:21,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:21,089 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1245 transitions. [2020-12-01 15:50:21,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2020-12-01 15:50:21,097 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:21,098 INFO L422 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] [2020-12-01 15:50:21,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-01 15:50:21,099 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:50:21,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:21,099 INFO L82 PathProgramCache]: Analyzing trace with hash 810329561, now seen corresponding path program 1 times [2020-12-01 15:50:21,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:21,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54788852] [2020-12-01 15:50:21,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:21,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2020-12-01 15:50:21,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54788852] [2020-12-01 15:50:21,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065839156] [2020-12-01 15:50:21,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00cc54a9-5aae-4ec2-93ae-0f77b5828ac7/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:50:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:21,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:50:21,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:50:22,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2020-12-01 15:50:22,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 15:50:22,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-12-01 15:50:22,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588846966] [2020-12-01 15:50:22,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-01 15:50:22,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:22,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-01 15:50:22,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:50:22,059 INFO L87 Difference]: Start difference. First operand 959 states and 1245 transitions. Second operand 6 states. [2020-12-01 15:50:22,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:22,332 INFO L93 Difference]: Finished difference Result 2294 states and 3012 transitions. [2020-12-01 15:50:22,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 15:50:22,333 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 404 [2020-12-01 15:50:22,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:22,334 INFO L225 Difference]: With dead ends: 2294 [2020-12-01 15:50:22,334 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:50:22,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:50:22,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:50:22,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:50:22,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:50:22,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:50:22,342 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 404 [2020-12-01 15:50:22,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:22,342 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:50:22,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-01 15:50:22,342 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:50:22,343 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:50:22,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:50:22,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:50:23,687 WARN L197 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 200 [2020-12-01 15:50:24,165 WARN L197 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 200 [2020-12-01 15:50:24,532 WARN L197 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 14 [2020-12-01 15:50:24,802 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 58 [2020-12-01 15:50:25,069 WARN L197 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 48 [2020-12-01 15:50:25,636 WARN L197 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2020-12-01 15:50:25,924 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 58 [2020-12-01 15:50:26,439 WARN L197 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 29 [2020-12-01 15:50:26,704 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 46 [2020-12-01 15:50:26,927 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 46 [2020-12-01 15:50:27,151 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 29 [2020-12-01 15:50:27,335 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 48 [2020-12-01 15:50:27,504 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 46 [2020-12-01 15:50:27,736 WARN L197 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 46 [2020-12-01 15:50:28,017 WARN L197 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 14 [2020-12-01 15:50:28,205 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 48 [2020-12-01 15:50:28,455 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2020-12-01 15:50:30,201 WARN L197 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 182 DAG size of output: 72 [2020-12-01 15:50:30,413 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 53 [2020-12-01 15:50:32,149 WARN L197 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 182 DAG size of output: 72 [2020-12-01 15:50:32,329 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 6 [2020-12-01 15:50:32,332 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 262) no Hoare annotation was computed. [2020-12-01 15:50:32,332 INFO L258 CegarLoopResult]: At program point L168(lines 167 609) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse16 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse9 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse14 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse5 .cse6 .cse7 .cse8 .cse16 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse16 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15))) [2020-12-01 15:50:32,338 INFO L258 CegarLoopResult]: At program point L135(lines 128 622) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse14 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15))) [2020-12-01 15:50:32,340 INFO L262 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-12-01 15:50:32,340 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-12-01 15:50:32,341 INFO L262 CegarLoopResult]: For program point L631(lines 631 659) no Hoare annotation was computed. [2020-12-01 15:50:32,341 INFO L262 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2020-12-01 15:50:32,341 INFO L262 CegarLoopResult]: For program point L632(lines 632 656) no Hoare annotation was computed. [2020-12-01 15:50:32,341 INFO L262 CegarLoopResult]: For program point L566(lines 566 570) no Hoare annotation was computed. [2020-12-01 15:50:32,341 INFO L262 CegarLoopResult]: For program point L500(lines 500 504) no Hoare annotation was computed. [2020-12-01 15:50:32,341 INFO L262 CegarLoopResult]: For program point L566-2(lines 566 570) no Hoare annotation was computed. [2020-12-01 15:50:32,342 INFO L262 CegarLoopResult]: For program point L500-2(lines 211 592) no Hoare annotation was computed. [2020-12-01 15:50:32,342 INFO L262 CegarLoopResult]: For program point L203(lines 203 597) no Hoare annotation was computed. [2020-12-01 15:50:32,342 INFO L262 CegarLoopResult]: For program point L170(lines 170 608) no Hoare annotation was computed. [2020-12-01 15:50:32,342 INFO L262 CegarLoopResult]: For program point L137(lines 137 619) no Hoare annotation was computed. [2020-12-01 15:50:32,342 INFO L262 CegarLoopResult]: For program point L104(lines 104 630) no Hoare annotation was computed. [2020-12-01 15:50:32,343 INFO L262 CegarLoopResult]: For program point L666(lines 666 670) no Hoare annotation was computed. [2020-12-01 15:50:32,343 INFO L262 CegarLoopResult]: For program point L633(lines 633 642) no Hoare annotation was computed. [2020-12-01 15:50:32,344 INFO L262 CegarLoopResult]: For program point L666-2(lines 666 670) no Hoare annotation was computed. [2020-12-01 15:50:32,344 INFO L262 CegarLoopResult]: For program point L633-2(lines 632 654) no Hoare annotation was computed. [2020-12-01 15:50:32,344 INFO L262 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-12-01 15:50:32,344 INFO L258 CegarLoopResult]: At program point L204(lines 200 598) the Hoare annotation is: (let ((.cse0 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse3 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-01 15:50:32,344 INFO L258 CegarLoopResult]: At program point L105(lines 104 630) the Hoare annotation is: false [2020-12-01 15:50:32,345 INFO L262 CegarLoopResult]: For program point L304(lines 304 308) no Hoare annotation was computed. [2020-12-01 15:50:32,345 INFO L262 CegarLoopResult]: For program point L304-2(lines 211 592) no Hoare annotation was computed. [2020-12-01 15:50:32,345 INFO L262 CegarLoopResult]: For program point L635(lines 635 639) no Hoare annotation was computed. [2020-12-01 15:50:32,346 INFO L262 CegarLoopResult]: For program point L206(lines 206 596) no Hoare annotation was computed. [2020-12-01 15:50:32,346 INFO L262 CegarLoopResult]: For program point L173(lines 173 607) no Hoare annotation was computed. [2020-12-01 15:50:32,346 INFO L262 CegarLoopResult]: For program point L140(lines 140 618) no Hoare annotation was computed. [2020-12-01 15:50:32,346 INFO L262 CegarLoopResult]: For program point L107(lines 107 629) no Hoare annotation was computed. [2020-12-01 15:50:32,346 INFO L262 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-12-01 15:50:32,346 INFO L262 CegarLoopResult]: For program point L339-2(lines 211 592) no Hoare annotation was computed. [2020-12-01 15:50:32,346 INFO L258 CegarLoopResult]: At program point L207(lines 206 596) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-12-01 15:50:32,347 INFO L258 CegarLoopResult]: At program point L174(lines 170 608) the Hoare annotation is: (and (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) [2020-12-01 15:50:32,347 INFO L258 CegarLoopResult]: At program point L141(lines 137 619) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse12 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (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 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-01 15:50:32,347 INFO L262 CegarLoopResult]: For program point L75(lines 75 83) no Hoare annotation was computed. [2020-12-01 15:50:32,347 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 262) no Hoare annotation was computed. [2020-12-01 15:50:32,348 INFO L262 CegarLoopResult]: For program point L439(lines 439 451) no Hoare annotation was computed. [2020-12-01 15:50:32,348 INFO L258 CegarLoopResult]: At program point L406(lines 397 417) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) [2020-12-01 15:50:32,348 INFO L262 CegarLoopResult]: For program point L439-2(lines 439 451) no Hoare annotation was computed. [2020-12-01 15:50:32,348 INFO L262 CegarLoopResult]: For program point L176(lines 176 606) no Hoare annotation was computed. [2020-12-01 15:50:32,348 INFO L262 CegarLoopResult]: For program point L143(lines 143 617) no Hoare annotation was computed. [2020-12-01 15:50:32,348 INFO L262 CegarLoopResult]: For program point L110(lines 110 628) no Hoare annotation was computed. [2020-12-01 15:50:32,349 INFO L258 CegarLoopResult]: At program point L210(lines 209 595) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-12-01 15:50:32,349 INFO L262 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-12-01 15:50:32,349 INFO L262 CegarLoopResult]: For program point L78-2(lines 75 83) no Hoare annotation was computed. [2020-12-01 15:50:32,349 INFO L262 CegarLoopResult]: For program point L541(lines 541 546) no Hoare annotation was computed. [2020-12-01 15:50:32,349 INFO L262 CegarLoopResult]: For program point L442(lines 442 447) no Hoare annotation was computed. [2020-12-01 15:50:32,349 INFO L262 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-12-01 15:50:32,349 INFO L262 CegarLoopResult]: For program point L244(lines 244 249) no Hoare annotation was computed. [2020-12-01 15:50:32,350 INFO L262 CegarLoopResult]: For program point L179(lines 179 605) no Hoare annotation was computed. [2020-12-01 15:50:32,350 INFO L262 CegarLoopResult]: For program point L146(lines 146 616) no Hoare annotation was computed. [2020-12-01 15:50:32,350 INFO L262 CegarLoopResult]: For program point L113(lines 113 627) no Hoare annotation was computed. [2020-12-01 15:50:32,350 INFO L262 CegarLoopResult]: For program point L576(lines 576 586) no Hoare annotation was computed. [2020-12-01 15:50:32,350 INFO L262 CegarLoopResult]: For program point L576-1(lines 576 586) no Hoare annotation was computed. [2020-12-01 15:50:32,351 INFO L262 CegarLoopResult]: For program point L510(lines 510 514) no Hoare annotation was computed. [2020-12-01 15:50:32,351 INFO L262 CegarLoopResult]: For program point L510-2(lines 510 514) no Hoare annotation was computed. [2020-12-01 15:50:32,351 INFO L258 CegarLoopResult]: At program point L180(lines 176 606) the Hoare annotation is: (let ((.cse0 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640))) (or (and (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse0 .cse1) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-01 15:50:32,352 INFO L258 CegarLoopResult]: At program point L147(lines 143 617) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) [2020-12-01 15:50:32,352 INFO L262 CegarLoopResult]: For program point L478(lines 478 482) no Hoare annotation was computed. [2020-12-01 15:50:32,352 INFO L258 CegarLoopResult]: At program point L214(lines 107 629) the Hoare annotation is: false [2020-12-01 15:50:32,352 INFO L265 CegarLoopResult]: At program point L677(lines 67 679) the Hoare annotation is: true [2020-12-01 15:50:32,352 INFO L262 CegarLoopResult]: For program point L644(lines 644 650) no Hoare annotation was computed. [2020-12-01 15:50:32,353 INFO L262 CegarLoopResult]: For program point L347(lines 347 379) no Hoare annotation was computed. [2020-12-01 15:50:32,353 INFO L262 CegarLoopResult]: For program point L314(lines 314 318) no Hoare annotation was computed. [2020-12-01 15:50:32,353 INFO L262 CegarLoopResult]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2020-12-01 15:50:32,353 INFO L262 CegarLoopResult]: For program point L182(lines 182 604) no Hoare annotation was computed. [2020-12-01 15:50:32,354 INFO L262 CegarLoopResult]: For program point L149(lines 149 615) no Hoare annotation was computed. [2020-12-01 15:50:32,354 INFO L262 CegarLoopResult]: For program point L116(lines 116 626) no Hoare annotation was computed. [2020-12-01 15:50:32,354 INFO L265 CegarLoopResult]: At program point L678(lines 12 680) the Hoare annotation is: true [2020-12-01 15:50:32,356 INFO L262 CegarLoopResult]: For program point L579(lines 579 583) no Hoare annotation was computed. [2020-12-01 15:50:32,356 INFO L262 CegarLoopResult]: For program point L85(lines 85 93) no Hoare annotation was computed. [2020-12-01 15:50:32,356 INFO L262 CegarLoopResult]: For program point L85-1(lines 67 679) no Hoare annotation was computed. [2020-12-01 15:50:32,356 INFO L262 CegarLoopResult]: For program point L350(lines 350 378) no Hoare annotation was computed. [2020-12-01 15:50:32,356 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:50:32,357 INFO L262 CegarLoopResult]: For program point L350-1(lines 350 378) no Hoare annotation was computed. [2020-12-01 15:50:32,357 INFO L262 CegarLoopResult]: For program point L251(lines 251 264) no Hoare annotation was computed. [2020-12-01 15:50:32,357 INFO L262 CegarLoopResult]: For program point L185(lines 185 603) no Hoare annotation was computed. [2020-12-01 15:50:32,357 INFO L262 CegarLoopResult]: For program point L152(lines 152 614) no Hoare annotation was computed. [2020-12-01 15:50:32,357 INFO L262 CegarLoopResult]: For program point L119(lines 119 625) no Hoare annotation was computed. [2020-12-01 15:50:32,357 INFO L262 CegarLoopResult]: For program point L86(lines 86 90) no Hoare annotation was computed. [2020-12-01 15:50:32,357 INFO L262 CegarLoopResult]: For program point L351(lines 351 375) no Hoare annotation was computed. [2020-12-01 15:50:32,358 INFO L262 CegarLoopResult]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-12-01 15:50:32,358 INFO L258 CegarLoopResult]: At program point L186(lines 182 604) the Hoare annotation is: (let ((.cse0 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640))) (or (and (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse0 .cse1) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-01 15:50:32,358 INFO L258 CegarLoopResult]: At program point L153(lines 149 615) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) [2020-12-01 15:50:32,358 INFO L262 CegarLoopResult]: For program point L219-2(lines 211 592) no Hoare annotation was computed. [2020-12-01 15:50:32,358 INFO L262 CegarLoopResult]: For program point L253(lines 253 258) no Hoare annotation was computed. [2020-12-01 15:50:32,359 INFO L262 CegarLoopResult]: For program point L551(lines 551 559) no Hoare annotation was computed. [2020-12-01 15:50:32,359 INFO L262 CegarLoopResult]: For program point L287(lines 287 291) no Hoare annotation was computed. [2020-12-01 15:50:32,359 INFO L262 CegarLoopResult]: For program point L287-2(lines 211 592) no Hoare annotation was computed. [2020-12-01 15:50:32,359 INFO L262 CegarLoopResult]: For program point L188(lines 188 602) no Hoare annotation was computed. [2020-12-01 15:50:32,359 INFO L262 CegarLoopResult]: For program point L155(lines 155 613) no Hoare annotation was computed. [2020-12-01 15:50:32,359 INFO L262 CegarLoopResult]: For program point L122(lines 122 624) no Hoare annotation was computed. [2020-12-01 15:50:32,359 INFO L262 CegarLoopResult]: For program point L387(lines 387 418) no Hoare annotation was computed. [2020-12-01 15:50:32,360 INFO L262 CegarLoopResult]: For program point L354(lines 354 374) no Hoare annotation was computed. [2020-12-01 15:50:32,360 INFO L258 CegarLoopResult]: At program point L123(lines 119 625) the Hoare annotation is: false [2020-12-01 15:50:32,360 INFO L262 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-12-01 15:50:32,360 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:50:32,360 INFO L262 CegarLoopResult]: For program point L554(lines 554 558) no Hoare annotation was computed. [2020-12-01 15:50:32,360 INFO L262 CegarLoopResult]: For program point L521(lines 521 526) no Hoare annotation was computed. [2020-12-01 15:50:32,360 INFO L262 CegarLoopResult]: For program point L356(lines 356 360) no Hoare annotation was computed. [2020-12-01 15:50:32,361 INFO L262 CegarLoopResult]: For program point L323-1(lines 323 332) no Hoare annotation was computed. [2020-12-01 15:50:32,361 INFO L262 CegarLoopResult]: For program point L356-2(lines 354 372) no Hoare annotation was computed. [2020-12-01 15:50:32,361 INFO L262 CegarLoopResult]: For program point L191(lines 191 601) no Hoare annotation was computed. [2020-12-01 15:50:32,361 INFO L262 CegarLoopResult]: For program point L158(lines 158 612) no Hoare annotation was computed. [2020-12-01 15:50:32,361 INFO L262 CegarLoopResult]: For program point L125(lines 125 623) no Hoare annotation was computed. [2020-12-01 15:50:32,361 INFO L258 CegarLoopResult]: At program point L555(lines 67 679) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-12-01 15:50:32,361 INFO L262 CegarLoopResult]: For program point L489(lines 489 493) no Hoare annotation was computed. [2020-12-01 15:50:32,362 INFO L258 CegarLoopResult]: At program point L192(lines 188 602) the Hoare annotation is: (let ((.cse0 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse2 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse4 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-01 15:50:32,362 INFO L258 CegarLoopResult]: At program point L159(lines 155 613) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) [2020-12-01 15:50:32,362 INFO L258 CegarLoopResult]: At program point L126(lines 125 623) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse14 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15))) [2020-12-01 15:50:32,362 INFO L262 CegarLoopResult]: For program point L457(lines 457 461) no Hoare annotation was computed. [2020-12-01 15:50:32,363 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 260) no Hoare annotation was computed. [2020-12-01 15:50:32,363 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:50:32,363 INFO L262 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-12-01 15:50:32,363 INFO L262 CegarLoopResult]: For program point L260-1(line 260) no Hoare annotation was computed. [2020-12-01 15:50:32,363 INFO L262 CegarLoopResult]: For program point L194(lines 194 600) no Hoare annotation was computed. [2020-12-01 15:50:32,363 INFO L262 CegarLoopResult]: For program point L161(lines 161 611) no Hoare annotation was computed. [2020-12-01 15:50:32,364 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 260) no Hoare annotation was computed. [2020-12-01 15:50:32,364 INFO L262 CegarLoopResult]: For program point L128(lines 128 622) no Hoare annotation was computed. [2020-12-01 15:50:32,364 INFO L265 CegarLoopResult]: At program point L690(lines 681 692) the Hoare annotation is: true [2020-12-01 15:50:32,364 INFO L262 CegarLoopResult]: For program point L327(lines 327 331) no Hoare annotation was computed. [2020-12-01 15:50:32,364 INFO L262 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-12-01 15:50:32,364 INFO L262 CegarLoopResult]: For program point L262-1(line 262) no Hoare annotation was computed. [2020-12-01 15:50:32,365 INFO L258 CegarLoopResult]: At program point L593(lines 101 661) the Hoare annotation is: (let ((.cse17 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse13 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse0 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse2 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse4 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse18 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8192 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 8480))) (.cse11 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse15 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse11 .cse12 .cse17 .cse13 .cse14 .cse15 .cse16 .cse6) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse7 .cse18 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse0 .cse18 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse18 .cse8 .cse9 .cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse11 .cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) .cse14 .cse15 .cse16))) [2020-12-01 15:50:32,366 INFO L262 CegarLoopResult]: For program point L560(lines 560 564) no Hoare annotation was computed. [2020-12-01 15:50:32,366 INFO L262 CegarLoopResult]: For program point L428(lines 428 432) no Hoare annotation was computed. [2020-12-01 15:50:32,366 INFO L258 CegarLoopResult]: At program point L362(lines 344 380) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) [2020-12-01 15:50:32,366 INFO L262 CegarLoopResult]: For program point L197(lines 197 599) no Hoare annotation was computed. [2020-12-01 15:50:32,367 INFO L262 CegarLoopResult]: For program point L164(lines 164 610) no Hoare annotation was computed. [2020-12-01 15:50:32,367 INFO L262 CegarLoopResult]: For program point L131(lines 131 621) no Hoare annotation was computed. [2020-12-01 15:50:32,367 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:50:32,367 INFO L262 CegarLoopResult]: For program point L528(lines 528 532) no Hoare annotation was computed. [2020-12-01 15:50:32,367 INFO L262 CegarLoopResult]: For program point L462(lines 462 473) no Hoare annotation was computed. [2020-12-01 15:50:32,367 INFO L262 CegarLoopResult]: For program point L528-2(lines 211 592) no Hoare annotation was computed. [2020-12-01 15:50:32,368 INFO L258 CegarLoopResult]: At program point L396(lines 387 418) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) [2020-12-01 15:50:32,368 INFO L262 CegarLoopResult]: For program point L231(lines 231 242) no Hoare annotation was computed. [2020-12-01 15:50:32,368 INFO L258 CegarLoopResult]: At program point L198(lines 194 600) the Hoare annotation is: (let ((.cse0 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse2 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)))) (or (and .cse0 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-01 15:50:32,368 INFO L258 CegarLoopResult]: At program point L165(lines 161 611) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) [2020-12-01 15:50:32,368 INFO L262 CegarLoopResult]: For program point L231-2(lines 231 242) no Hoare annotation was computed. [2020-12-01 15:50:32,369 INFO L262 CegarLoopResult]: For program point L364(lines 364 368) no Hoare annotation was computed. [2020-12-01 15:50:32,369 INFO L265 CegarLoopResult]: At program point L662(lines 100 663) the Hoare annotation is: true [2020-12-01 15:50:32,369 INFO L262 CegarLoopResult]: For program point L398(lines 398 404) no Hoare annotation was computed. [2020-12-01 15:50:32,369 INFO L262 CegarLoopResult]: For program point L233(lines 233 238) no Hoare annotation was computed. [2020-12-01 15:50:32,369 INFO L262 CegarLoopResult]: For program point L200(lines 200 598) no Hoare annotation was computed. [2020-12-01 15:50:32,369 INFO L262 CegarLoopResult]: For program point L167(lines 167 609) no Hoare annotation was computed. [2020-12-01 15:50:32,369 INFO L262 CegarLoopResult]: For program point L134(lines 134 620) no Hoare annotation was computed. [2020-12-01 15:50:32,370 INFO L258 CegarLoopResult]: At program point L101-2(lines 101 661) the Hoare annotation is: (let ((.cse17 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse13 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse0 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse2 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse4 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse18 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8192 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 8480))) (.cse11 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse15 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse11 .cse12 .cse17 .cse13 .cse14 .cse15 .cse16 .cse6) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse7 .cse18 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse0 .cse18 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse18 .cse8 .cse9 .cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse11 .cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) .cse14 .cse15 .cse16))) [2020-12-01 15:50:32,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:50:32 BoogieIcfgContainer [2020-12-01 15:50:32,456 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:50:32,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:50:32,457 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:50:32,457 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:50:32,458 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:50:08" (3/4) ... [2020-12-01 15:50:32,463 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:50:32,485 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 15:50:32,487 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 15:50:32,488 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:50:32,489 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:50:32,661 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_00cc54a9-5aae-4ec2-93ae-0f77b5828ac7/bin/uautomizer/witness.graphml [2020-12-01 15:50:32,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:50:32,667 INFO L168 Benchmark]: Toolchain (without parser) took 26023.65 ms. Allocated memory was 96.5 MB in the beginning and 442.5 MB in the end (delta: 346.0 MB). Free memory was 66.7 MB in the beginning and 371.2 MB in the end (delta: -304.5 MB). Peak memory consumption was 40.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:50:32,668 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory is still 53.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:50:32,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.30 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 66.4 MB in the beginning and 95.0 MB in the end (delta: -28.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:50:32,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.81 ms. Allocated memory is still 123.7 MB. Free memory was 95.0 MB in the beginning and 92.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:50:32,669 INFO L168 Benchmark]: Boogie Preprocessor took 47.30 ms. Allocated memory is still 123.7 MB. Free memory was 92.1 MB in the beginning and 90.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:50:32,670 INFO L168 Benchmark]: RCFGBuilder took 1075.27 ms. Allocated memory is still 123.7 MB. Free memory was 90.0 MB in the beginning and 88.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:50:32,671 INFO L168 Benchmark]: TraceAbstraction took 24193.78 ms. Allocated memory was 123.7 MB in the beginning and 442.5 MB in the end (delta: 318.8 MB). Free memory was 88.1 MB in the beginning and 382.7 MB in the end (delta: -294.6 MB). Peak memory consumption was 259.0 MB. Max. memory is 16.1 GB. [2020-12-01 15:50:32,671 INFO L168 Benchmark]: Witness Printer took 208.60 ms. Allocated memory is still 442.5 MB. Free memory was 382.7 MB in the beginning and 371.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:50:32,675 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory is still 53.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 436.30 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 66.4 MB in the beginning and 95.0 MB in the end (delta: -28.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.81 ms. Allocated memory is still 123.7 MB. Free memory was 95.0 MB in the beginning and 92.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.30 ms. Allocated memory is still 123.7 MB. Free memory was 92.1 MB in the beginning and 90.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1075.27 ms. Allocated memory is still 123.7 MB. Free memory was 90.0 MB in the beginning and 88.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 24193.78 ms. Allocated memory was 123.7 MB in the beginning and 442.5 MB in the end (delta: 318.8 MB). Free memory was 88.1 MB in the beginning and 382.7 MB in the end (delta: -294.6 MB). Peak memory consumption was 259.0 MB. Max. memory is 16.1 GB. * Witness Printer took 208.60 ms. Allocated memory is still 442.5 MB. Free memory was 382.7 MB in the beginning and 371.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 262]: 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: 260]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: ((!(8576 == s__state) && 8576 <= s__state) && s__state <= 8640) || ((8576 <= s__state && s__state <= 8640) && !(s__hit == 0)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) || ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (((((((((((((!(s__state == 8512) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8560 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: !(12292 == s__state) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 3 == s__s3__tmp__next_state___0) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && s__s3__tmp__next_state___0 <= 8640) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((((((((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: !(12292 == s__state) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) || ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((((((!(24576 == s__state) && !(8576 == s__state)) && 8576 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__state == 8656)) || ((((((!(24576 == s__state) && 8576 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: (((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8513 == s__state)) && !(s__state == 8481) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: !(12292 == s__state) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((((((!(24576 == s__state) && !(8576 == s__state)) && !(s__state == 8673)) && 8576 <= s__state) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__state == 8672)) || ((((((!(24576 == s__state) && !(s__state == 8673)) && 8576 <= s__state) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__state == 8672)) && !(s__hit == 0)) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: (((((((((((((!(s__state == 8512) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8560 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: (((((((((((((!(s__state == 8545) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8481) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: (((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8513 == s__state)) && !(s__state == 8481) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((!(8576 == s__state) && 8576 <= s__state) && s__state <= 8640) || ((8576 <= s__state && s__state <= 8640) && !(s__hit == 0)) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: (((((((((((((!(s__state == 8512) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8560 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: ((((((((!(24576 == s__state) && !(8576 == s__state)) && !(s__state == 8673)) && 8576 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__state == 8672)) && !(s__state == 8656)) || ((((((((!(24576 == s__state) && !(s__state == 8673)) && 8576 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__state == 8672)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((((((!(24576 == s__state) && !(s__state == 8673)) && 8576 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__hit == 0)) || (((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 8576 <= s__s3__tmp__next_state___0)) || ((((((((((((!(s__state == 8545) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && s__s3__tmp__next_state___0 <= 8640) && !(8497 == s__state)) && !(s__state == 8561)) && 8576 <= s__s3__tmp__next_state___0) && s__state <= 8640) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((((((((((3 == s__s3__tmp__next_state___0 && !(s__state == 8545)) && !(8576 == s__state)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || ((((((!(24576 == s__state) && !(8576 == s__state)) && !(s__state == 8673)) && 8576 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 16384))) || (((((((((((!(s__state == 8545) && !(8576 == s__state)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((((((!(24576 == s__state) && !(s__state == 8673)) && 8576 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__hit == 0)) || (((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 8576 <= s__s3__tmp__next_state___0)) || ((((((((((((!(s__state == 8545) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && s__s3__tmp__next_state___0 <= 8640) && !(8497 == s__state)) && !(s__state == 8561)) && 8576 <= s__s3__tmp__next_state___0) && s__state <= 8640) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((((((((((3 == s__s3__tmp__next_state___0 && !(s__state == 8545)) && !(8576 == s__state)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || ((((((!(24576 == s__state) && !(8576 == s__state)) && !(s__state == 8673)) && 8576 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 16384))) || (((((((((((!(s__state == 8545) && !(8576 == s__state)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 8576 <= s__state && s__state <= 8640 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 148 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.2s, OverallIterations: 32, TraceHistogramMax: 14, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5404 SDtfs, 4771 SDslu, 2176 SDs, 0 SdLazy, 3168 SolverSat, 1071 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 991 GetRequests, 949 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=959occurred in iteration=31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 32 MinimizatonAttempts, 1656 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 198 NumberOfFragments, 1778 HoareAnnotationTreeSize, 29 FomulaSimplifications, 244621 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 29 FomulaSimplificationsInter, 90655 FormulaSimplificationTreeSizeReductionInter, 8.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 5145 NumberOfCodeBlocks, 5145 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 5109 ConstructedInterpolants, 0 QuantifiedInterpolants, 1700493 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1674 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 36 InterpolantComputations, 28 PerfectInterpolantSequences, 11171/11219 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...