./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4d07026f-b8b9-4dfd-b657-bcfdbac9fb0a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4d07026f-b8b9-4dfd-b657-bcfdbac9fb0a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4d07026f-b8b9-4dfd-b657-bcfdbac9fb0a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4d07026f-b8b9-4dfd-b657-bcfdbac9fb0a/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_4d07026f-b8b9-4dfd-b657-bcfdbac9fb0a/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4d07026f-b8b9-4dfd-b657-bcfdbac9fb0a/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-a4ecdab [2020-11-30 01:04:10,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:04:10,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:04:10,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:04:10,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:04:10,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:04:10,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:04:10,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:04:10,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:04:10,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:04:10,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:04:10,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:04:10,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:04:10,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:04:10,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:04:10,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:04:10,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:04:10,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:04:10,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:04:10,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:04:10,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:04:10,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:04:10,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:04:10,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:04:10,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:04:10,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:04:10,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:04:10,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:04:10,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:04:10,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:04:10,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:04:10,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:04:10,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:04:10,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:04:10,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:04:10,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:04:10,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:04:10,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:04:10,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:04:10,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:04:10,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:04:10,700 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4d07026f-b8b9-4dfd-b657-bcfdbac9fb0a/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-11-30 01:04:10,730 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:04:10,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:04:10,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:04:10,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:04:10,732 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:04:10,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:04:10,733 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:04:10,734 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:04:10,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:04:10,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:04:10,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:04:10,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:04:10,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:04:10,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:04:10,736 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-30 01:04:10,736 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:04:10,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:04:10,736 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:04:10,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:04:10,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:04:10,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:04:10,738 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:04:10,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:04:10,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:04:10,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:04:10,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:04:10,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:04:10,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:04:10,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:04:10,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:04:10,741 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:04:10,741 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_4d07026f-b8b9-4dfd-b657-bcfdbac9fb0a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4d07026f-b8b9-4dfd-b657-bcfdbac9fb0a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0b2d978b2f3873db9b988022a041d2d18a2f859 [2020-11-30 01:04:11,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:04:11,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:04:11,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:04:11,167 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:04:11,174 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:04:11,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4d07026f-b8b9-4dfd-b657-bcfdbac9fb0a/bin/uautomizer/../../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2020-11-30 01:04:11,275 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4d07026f-b8b9-4dfd-b657-bcfdbac9fb0a/bin/uautomizer/data/26d5c01df/33be43a3aaf44c43aa1e1387b8210926/FLAGada747972 [2020-11-30 01:04:11,973 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:04:11,976 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4d07026f-b8b9-4dfd-b657-bcfdbac9fb0a/sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2020-11-30 01:04:11,991 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4d07026f-b8b9-4dfd-b657-bcfdbac9fb0a/bin/uautomizer/data/26d5c01df/33be43a3aaf44c43aa1e1387b8210926/FLAGada747972 [2020-11-30 01:04:12,282 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4d07026f-b8b9-4dfd-b657-bcfdbac9fb0a/bin/uautomizer/data/26d5c01df/33be43a3aaf44c43aa1e1387b8210926 [2020-11-30 01:04:12,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:04:12,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:04:12,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:04:12,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:04:12,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:04:12,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:04:12" (1/1) ... [2020-11-30 01:04:12,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a2e317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:12, skipping insertion in model container [2020-11-30 01:04:12,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:04:12" (1/1) ... [2020-11-30 01:04:12,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:04:12,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:04:12,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:04:12,702 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:04:12,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:04:12,788 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:04:12,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:12 WrapperNode [2020-11-30 01:04:12,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:04:12,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:04:12,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:04:12,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:04:12,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:12" (1/1) ... [2020-11-30 01:04:12,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:12" (1/1) ... [2020-11-30 01:04:12,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:04:12,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:04:12,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:04:12,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:04:12,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:12" (1/1) ... [2020-11-30 01:04:12,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:12" (1/1) ... [2020-11-30 01:04:12,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:12" (1/1) ... [2020-11-30 01:04:12,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:12" (1/1) ... [2020-11-30 01:04:12,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:12" (1/1) ... [2020-11-30 01:04:12,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:12" (1/1) ... [2020-11-30 01:04:12,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:12" (1/1) ... [2020-11-30 01:04:12,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:04:12,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:04:12,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:04:12,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:04:12,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d07026f-b8b9-4dfd-b657-bcfdbac9fb0a/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 [2020-11-30 01:04:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:04:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:04:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:04:13,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:04:13,290 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 01:04:14,282 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-11-30 01:04:14,282 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-11-30 01:04:14,297 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:04:14,298 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 01:04:14,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:04:14 BoogieIcfgContainer [2020-11-30 01:04:14,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:04:14,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:04:14,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:04:14,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:04:14,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:04:12" (1/3) ... [2020-11-30 01:04:14,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f21d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:04:14, skipping insertion in model container [2020-11-30 01:04:14,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:12" (2/3) ... [2020-11-30 01:04:14,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f21d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:04:14, skipping insertion in model container [2020-11-30 01:04:14,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:04:14" (3/3) ... [2020-11-30 01:04:14,316 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.BV.c.cil.c [2020-11-30 01:04:14,330 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:04:14,335 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-11-30 01:04:14,349 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-30 01:04:14,402 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:04:14,402 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:04:14,403 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:04:14,403 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:04:14,403 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:04:14,403 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:04:14,404 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:04:14,404 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:04:14,438 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2020-11-30 01:04:14,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 01:04:14,445 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:14,445 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:04:14,446 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:14,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:14,451 INFO L82 PathProgramCache]: Analyzing trace with hash -580333898, now seen corresponding path program 1 times [2020-11-30 01:04:14,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:14,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042746880] [2020-11-30 01:04:14,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:14,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:04:14,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042746880] [2020-11-30 01:04:14,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:14,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:14,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876195542] [2020-11-30 01:04:14,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:14,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:14,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:14,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:14,850 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 3 states. [2020-11-30 01:04:15,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:15,219 INFO L93 Difference]: Finished difference Result 313 states and 521 transitions. [2020-11-30 01:04:15,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:15,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-11-30 01:04:15,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:15,251 INFO L225 Difference]: With dead ends: 313 [2020-11-30 01:04:15,257 INFO L226 Difference]: Without dead ends: 150 [2020-11-30 01:04:15,266 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 [2020-11-30 01:04:15,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-11-30 01:04:15,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2020-11-30 01:04:15,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-11-30 01:04:15,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 225 transitions. [2020-11-30 01:04:15,349 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 225 transitions. Word has length 18 [2020-11-30 01:04:15,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:15,350 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 225 transitions. [2020-11-30 01:04:15,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:15,351 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 225 transitions. [2020-11-30 01:04:15,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 01:04:15,352 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:15,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:04:15,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:04:15,353 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:15,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:15,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1061870123, now seen corresponding path program 1 times [2020-11-30 01:04:15,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:15,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183828823] [2020-11-30 01:04:15,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:15,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:04:15,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183828823] [2020-11-30 01:04:15,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:15,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:15,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995614257] [2020-11-30 01:04:15,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:15,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:15,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:15,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:15,426 INFO L87 Difference]: Start difference. First operand 150 states and 225 transitions. Second operand 3 states. [2020-11-30 01:04:15,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:15,690 INFO L93 Difference]: Finished difference Result 302 states and 451 transitions. [2020-11-30 01:04:15,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:15,693 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-30 01:04:15,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:15,695 INFO L225 Difference]: With dead ends: 302 [2020-11-30 01:04:15,695 INFO L226 Difference]: Without dead ends: 160 [2020-11-30 01:04:15,697 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 [2020-11-30 01:04:15,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-11-30 01:04:15,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 151. [2020-11-30 01:04:15,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-11-30 01:04:15,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 226 transitions. [2020-11-30 01:04:15,729 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 226 transitions. Word has length 19 [2020-11-30 01:04:15,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:15,729 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 226 transitions. [2020-11-30 01:04:15,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:15,731 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 226 transitions. [2020-11-30 01:04:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 01:04:15,733 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:15,733 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] [2020-11-30 01:04:15,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:04:15,734 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:15,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:15,735 INFO L82 PathProgramCache]: Analyzing trace with hash 323589326, now seen corresponding path program 1 times [2020-11-30 01:04:15,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:15,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179953799] [2020-11-30 01:04:15,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:15,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:04:15,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179953799] [2020-11-30 01:04:15,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:15,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:15,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899102553] [2020-11-30 01:04:15,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:15,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:15,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:15,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:15,845 INFO L87 Difference]: Start difference. First operand 151 states and 226 transitions. Second operand 3 states. [2020-11-30 01:04:16,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:16,053 INFO L93 Difference]: Finished difference Result 304 states and 453 transitions. [2020-11-30 01:04:16,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:16,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-11-30 01:04:16,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:16,056 INFO L225 Difference]: With dead ends: 304 [2020-11-30 01:04:16,056 INFO L226 Difference]: Without dead ends: 161 [2020-11-30 01:04:16,059 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 [2020-11-30 01:04:16,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-11-30 01:04:16,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 152. [2020-11-30 01:04:16,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-11-30 01:04:16,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 227 transitions. [2020-11-30 01:04:16,090 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 227 transitions. Word has length 20 [2020-11-30 01:04:16,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:16,091 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 227 transitions. [2020-11-30 01:04:16,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:16,092 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 227 transitions. [2020-11-30 01:04:16,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:04:16,094 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:16,094 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] [2020-11-30 01:04:16,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:04:16,096 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:16,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:16,098 INFO L82 PathProgramCache]: Analyzing trace with hash -659408240, now seen corresponding path program 1 times [2020-11-30 01:04:16,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:16,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931135268] [2020-11-30 01:04:16,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:16,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:04:16,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931135268] [2020-11-30 01:04:16,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:16,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:16,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979351733] [2020-11-30 01:04:16,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:16,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:16,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:16,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:16,170 INFO L87 Difference]: Start difference. First operand 152 states and 227 transitions. Second operand 3 states. [2020-11-30 01:04:16,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:16,376 INFO L93 Difference]: Finished difference Result 306 states and 455 transitions. [2020-11-30 01:04:16,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:16,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-11-30 01:04:16,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:16,379 INFO L225 Difference]: With dead ends: 306 [2020-11-30 01:04:16,379 INFO L226 Difference]: Without dead ends: 162 [2020-11-30 01:04:16,381 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 [2020-11-30 01:04:16,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-11-30 01:04:16,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 153. [2020-11-30 01:04:16,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-11-30 01:04:16,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 228 transitions. [2020-11-30 01:04:16,403 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 228 transitions. Word has length 21 [2020-11-30 01:04:16,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:16,403 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 228 transitions. [2020-11-30 01:04:16,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:16,404 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 228 transitions. [2020-11-30 01:04:16,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:04:16,405 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:16,405 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] [2020-11-30 01:04:16,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:04:16,406 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:16,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:16,407 INFO L82 PathProgramCache]: Analyzing trace with hash -2050129239, now seen corresponding path program 1 times [2020-11-30 01:04:16,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:16,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218192613] [2020-11-30 01:04:16,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:16,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:04:16,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218192613] [2020-11-30 01:04:16,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:16,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:16,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415140913] [2020-11-30 01:04:16,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:16,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:16,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:16,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:16,470 INFO L87 Difference]: Start difference. First operand 153 states and 228 transitions. Second operand 3 states. [2020-11-30 01:04:16,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:16,658 INFO L93 Difference]: Finished difference Result 308 states and 457 transitions. [2020-11-30 01:04:16,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:16,659 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-11-30 01:04:16,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:16,661 INFO L225 Difference]: With dead ends: 308 [2020-11-30 01:04:16,661 INFO L226 Difference]: Without dead ends: 163 [2020-11-30 01:04:16,662 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 [2020-11-30 01:04:16,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-11-30 01:04:16,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 154. [2020-11-30 01:04:16,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-11-30 01:04:16,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 229 transitions. [2020-11-30 01:04:16,681 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 229 transitions. Word has length 22 [2020-11-30 01:04:16,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:16,682 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 229 transitions. [2020-11-30 01:04:16,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:16,682 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 229 transitions. [2020-11-30 01:04:16,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-30 01:04:16,692 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:16,693 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] [2020-11-30 01:04:16,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 01:04:16,693 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:16,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:16,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1990190120, now seen corresponding path program 1 times [2020-11-30 01:04:16,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:16,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043502569] [2020-11-30 01:04:16,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:16,791 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:04:16,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043502569] [2020-11-30 01:04:16,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:16,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:16,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020247519] [2020-11-30 01:04:16,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:16,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:16,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:16,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:16,794 INFO L87 Difference]: Start difference. First operand 154 states and 229 transitions. Second operand 3 states. [2020-11-30 01:04:17,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:17,062 INFO L93 Difference]: Finished difference Result 331 states and 499 transitions. [2020-11-30 01:04:17,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:17,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-11-30 01:04:17,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:17,065 INFO L225 Difference]: With dead ends: 331 [2020-11-30 01:04:17,065 INFO L226 Difference]: Without dead ends: 185 [2020-11-30 01:04:17,066 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 [2020-11-30 01:04:17,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-11-30 01:04:17,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-11-30 01:04:17,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-11-30 01:04:17,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 281 transitions. [2020-11-30 01:04:17,076 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 281 transitions. Word has length 47 [2020-11-30 01:04:17,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:17,086 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 281 transitions. [2020-11-30 01:04:17,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:17,087 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 281 transitions. [2020-11-30 01:04:17,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-30 01:04:17,091 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:17,092 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] [2020-11-30 01:04:17,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 01:04:17,096 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:17,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:17,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1367947310, now seen corresponding path program 1 times [2020-11-30 01:04:17,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:17,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499772772] [2020-11-30 01:04:17,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:17,177 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 01:04:17,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499772772] [2020-11-30 01:04:17,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:17,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:17,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455963036] [2020-11-30 01:04:17,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:17,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:17,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:17,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:17,180 INFO L87 Difference]: Start difference. First operand 185 states and 281 transitions. Second operand 3 states. [2020-11-30 01:04:17,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:17,390 INFO L93 Difference]: Finished difference Result 380 states and 575 transitions. [2020-11-30 01:04:17,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:17,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-11-30 01:04:17,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:17,394 INFO L225 Difference]: With dead ends: 380 [2020-11-30 01:04:17,394 INFO L226 Difference]: Without dead ends: 203 [2020-11-30 01:04:17,395 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 [2020-11-30 01:04:17,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-11-30 01:04:17,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 201. [2020-11-30 01:04:17,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-11-30 01:04:17,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 302 transitions. [2020-11-30 01:04:17,414 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 302 transitions. Word has length 59 [2020-11-30 01:04:17,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:17,417 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 302 transitions. [2020-11-30 01:04:17,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:17,417 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 302 transitions. [2020-11-30 01:04:17,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 01:04:17,420 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:17,420 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] [2020-11-30 01:04:17,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 01:04:17,421 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:17,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:17,422 INFO L82 PathProgramCache]: Analyzing trace with hash -2136164213, now seen corresponding path program 1 times [2020-11-30 01:04:17,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:17,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705026326] [2020-11-30 01:04:17,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:17,524 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 01:04:17,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705026326] [2020-11-30 01:04:17,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:17,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:17,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465295125] [2020-11-30 01:04:17,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:17,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:17,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:17,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:17,532 INFO L87 Difference]: Start difference. First operand 201 states and 302 transitions. Second operand 3 states. [2020-11-30 01:04:17,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:17,760 INFO L93 Difference]: Finished difference Result 397 states and 596 transitions. [2020-11-30 01:04:17,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:17,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-11-30 01:04:17,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:17,763 INFO L225 Difference]: With dead ends: 397 [2020-11-30 01:04:17,763 INFO L226 Difference]: Without dead ends: 204 [2020-11-30 01:04:17,764 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 [2020-11-30 01:04:17,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-11-30 01:04:17,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 202. [2020-11-30 01:04:17,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-11-30 01:04:17,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 302 transitions. [2020-11-30 01:04:17,774 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 302 transitions. Word has length 60 [2020-11-30 01:04:17,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:17,775 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 302 transitions. [2020-11-30 01:04:17,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:17,775 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 302 transitions. [2020-11-30 01:04:17,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-11-30 01:04:17,779 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:17,780 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] [2020-11-30 01:04:17,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 01:04:17,781 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:17,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:17,781 INFO L82 PathProgramCache]: Analyzing trace with hash -956503025, now seen corresponding path program 1 times [2020-11-30 01:04:17,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:17,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237114315] [2020-11-30 01:04:17,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:17,858 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 01:04:17,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237114315] [2020-11-30 01:04:17,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:17,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:17,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153332000] [2020-11-30 01:04:17,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:17,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:17,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:17,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:17,866 INFO L87 Difference]: Start difference. First operand 202 states and 302 transitions. Second operand 3 states. [2020-11-30 01:04:18,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:18,095 INFO L93 Difference]: Finished difference Result 440 states and 667 transitions. [2020-11-30 01:04:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:18,096 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-11-30 01:04:18,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:18,099 INFO L225 Difference]: With dead ends: 440 [2020-11-30 01:04:18,099 INFO L226 Difference]: Without dead ends: 246 [2020-11-30 01:04:18,101 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 [2020-11-30 01:04:18,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-11-30 01:04:18,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 244. [2020-11-30 01:04:18,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-11-30 01:04:18,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 373 transitions. [2020-11-30 01:04:18,115 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 373 transitions. Word has length 73 [2020-11-30 01:04:18,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:18,115 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 373 transitions. [2020-11-30 01:04:18,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:18,116 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 373 transitions. [2020-11-30 01:04:18,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-11-30 01:04:18,117 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:18,117 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] [2020-11-30 01:04:18,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 01:04:18,118 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:18,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:18,121 INFO L82 PathProgramCache]: Analyzing trace with hash 603125704, now seen corresponding path program 1 times [2020-11-30 01:04:18,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:18,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345395952] [2020-11-30 01:04:18,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:18,207 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 01:04:18,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345395952] [2020-11-30 01:04:18,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:18,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:18,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48360802] [2020-11-30 01:04:18,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:18,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:18,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:18,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:18,209 INFO L87 Difference]: Start difference. First operand 244 states and 373 transitions. Second operand 3 states. [2020-11-30 01:04:18,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:18,456 INFO L93 Difference]: Finished difference Result 514 states and 789 transitions. [2020-11-30 01:04:18,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:18,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-11-30 01:04:18,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:18,459 INFO L225 Difference]: With dead ends: 514 [2020-11-30 01:04:18,459 INFO L226 Difference]: Without dead ends: 278 [2020-11-30 01:04:18,460 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 [2020-11-30 01:04:18,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-11-30 01:04:18,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 271. [2020-11-30 01:04:18,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-11-30 01:04:18,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 413 transitions. [2020-11-30 01:04:18,486 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 413 transitions. Word has length 74 [2020-11-30 01:04:18,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:18,487 INFO L481 AbstractCegarLoop]: Abstraction has 271 states and 413 transitions. [2020-11-30 01:04:18,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:18,487 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 413 transitions. [2020-11-30 01:04:18,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-11-30 01:04:18,489 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:18,498 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] [2020-11-30 01:04:18,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 01:04:18,500 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:18,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:18,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1649015640, now seen corresponding path program 1 times [2020-11-30 01:04:18,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:18,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381081757] [2020-11-30 01:04:18,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:18,552 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 01:04:18,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381081757] [2020-11-30 01:04:18,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:18,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:18,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417406432] [2020-11-30 01:04:18,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:18,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:18,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:18,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:18,557 INFO L87 Difference]: Start difference. First operand 271 states and 413 transitions. Second operand 3 states. [2020-11-30 01:04:18,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:18,799 INFO L93 Difference]: Finished difference Result 537 states and 818 transitions. [2020-11-30 01:04:18,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:18,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-11-30 01:04:18,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:18,802 INFO L225 Difference]: With dead ends: 537 [2020-11-30 01:04:18,802 INFO L226 Difference]: Without dead ends: 274 [2020-11-30 01:04:18,803 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 [2020-11-30 01:04:18,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-11-30 01:04:18,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 272. [2020-11-30 01:04:18,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-11-30 01:04:18,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 413 transitions. [2020-11-30 01:04:18,817 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 413 transitions. Word has length 74 [2020-11-30 01:04:18,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:18,817 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 413 transitions. [2020-11-30 01:04:18,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:18,818 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 413 transitions. [2020-11-30 01:04:18,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-30 01:04:18,819 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:18,819 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] [2020-11-30 01:04:18,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 01:04:18,819 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:18,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:18,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1207629393, now seen corresponding path program 1 times [2020-11-30 01:04:18,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:18,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474898675] [2020-11-30 01:04:18,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:18,863 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 01:04:18,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474898675] [2020-11-30 01:04:18,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:18,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:18,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518873546] [2020-11-30 01:04:18,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:18,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:18,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:18,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:18,865 INFO L87 Difference]: Start difference. First operand 272 states and 413 transitions. Second operand 3 states. [2020-11-30 01:04:19,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:19,138 INFO L93 Difference]: Finished difference Result 543 states and 826 transitions. [2020-11-30 01:04:19,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:19,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-11-30 01:04:19,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:19,141 INFO L225 Difference]: With dead ends: 543 [2020-11-30 01:04:19,141 INFO L226 Difference]: Without dead ends: 279 [2020-11-30 01:04:19,142 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 [2020-11-30 01:04:19,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-11-30 01:04:19,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 272. [2020-11-30 01:04:19,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-11-30 01:04:19,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 410 transitions. [2020-11-30 01:04:19,158 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 410 transitions. Word has length 75 [2020-11-30 01:04:19,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:19,158 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 410 transitions. [2020-11-30 01:04:19,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:19,158 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 410 transitions. [2020-11-30 01:04:19,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-11-30 01:04:19,160 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:19,160 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] [2020-11-30 01:04:19,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 01:04:19,160 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:19,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:19,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1576887455, now seen corresponding path program 1 times [2020-11-30 01:04:19,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:19,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299450555] [2020-11-30 01:04:19,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:19,208 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 01:04:19,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299450555] [2020-11-30 01:04:19,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:19,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:19,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848471724] [2020-11-30 01:04:19,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:19,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:19,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:19,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:19,211 INFO L87 Difference]: Start difference. First operand 272 states and 410 transitions. Second operand 3 states. [2020-11-30 01:04:19,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:19,479 INFO L93 Difference]: Finished difference Result 583 states and 882 transitions. [2020-11-30 01:04:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:19,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-11-30 01:04:19,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:19,481 INFO L225 Difference]: With dead ends: 583 [2020-11-30 01:04:19,481 INFO L226 Difference]: Without dead ends: 319 [2020-11-30 01:04:19,482 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 [2020-11-30 01:04:19,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-11-30 01:04:19,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 315. [2020-11-30 01:04:19,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2020-11-30 01:04:19,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 479 transitions. [2020-11-30 01:04:19,493 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 479 transitions. Word has length 90 [2020-11-30 01:04:19,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:19,494 INFO L481 AbstractCegarLoop]: Abstraction has 315 states and 479 transitions. [2020-11-30 01:04:19,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:19,494 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 479 transitions. [2020-11-30 01:04:19,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-11-30 01:04:19,495 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:19,495 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] [2020-11-30 01:04:19,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 01:04:19,496 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:19,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:19,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1659002301, now seen corresponding path program 1 times [2020-11-30 01:04:19,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:19,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532580984] [2020-11-30 01:04:19,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 01:04:19,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532580984] [2020-11-30 01:04:19,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:19,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:19,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868018722] [2020-11-30 01:04:19,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:19,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:19,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:19,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:19,564 INFO L87 Difference]: Start difference. First operand 315 states and 479 transitions. Second operand 3 states. [2020-11-30 01:04:19,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:19,797 INFO L93 Difference]: Finished difference Result 638 states and 973 transitions. [2020-11-30 01:04:19,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:19,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-11-30 01:04:19,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:19,800 INFO L225 Difference]: With dead ends: 638 [2020-11-30 01:04:19,800 INFO L226 Difference]: Without dead ends: 329 [2020-11-30 01:04:19,801 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 [2020-11-30 01:04:19,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-11-30 01:04:19,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 325. [2020-11-30 01:04:19,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-11-30 01:04:19,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 498 transitions. [2020-11-30 01:04:19,821 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 498 transitions. Word has length 91 [2020-11-30 01:04:19,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:19,822 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 498 transitions. [2020-11-30 01:04:19,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:19,822 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 498 transitions. [2020-11-30 01:04:19,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-11-30 01:04:19,823 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:19,824 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] [2020-11-30 01:04:19,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-30 01:04:19,824 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:19,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:19,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1994556924, now seen corresponding path program 1 times [2020-11-30 01:04:19,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:19,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450942900] [2020-11-30 01:04:19,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:19,893 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-30 01:04:19,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450942900] [2020-11-30 01:04:19,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:19,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:19,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470071815] [2020-11-30 01:04:19,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:19,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:19,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:19,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:19,896 INFO L87 Difference]: Start difference. First operand 325 states and 498 transitions. Second operand 3 states. [2020-11-30 01:04:20,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:20,096 INFO L93 Difference]: Finished difference Result 679 states and 1043 transitions. [2020-11-30 01:04:20,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:20,096 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-11-30 01:04:20,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:20,099 INFO L225 Difference]: With dead ends: 679 [2020-11-30 01:04:20,099 INFO L226 Difference]: Without dead ends: 362 [2020-11-30 01:04:20,100 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 [2020-11-30 01:04:20,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2020-11-30 01:04:20,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 350. [2020-11-30 01:04:20,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-11-30 01:04:20,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 532 transitions. [2020-11-30 01:04:20,131 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 532 transitions. Word has length 100 [2020-11-30 01:04:20,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:20,132 INFO L481 AbstractCegarLoop]: Abstraction has 350 states and 532 transitions. [2020-11-30 01:04:20,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:20,132 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 532 transitions. [2020-11-30 01:04:20,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-11-30 01:04:20,136 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:20,137 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] [2020-11-30 01:04:20,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-30 01:04:20,137 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:20,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:20,137 INFO L82 PathProgramCache]: Analyzing trace with hash 98352259, now seen corresponding path program 1 times [2020-11-30 01:04:20,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:20,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850050645] [2020-11-30 01:04:20,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:20,193 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-30 01:04:20,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850050645] [2020-11-30 01:04:20,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:20,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:20,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708587511] [2020-11-30 01:04:20,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:20,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:20,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:20,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:20,198 INFO L87 Difference]: Start difference. First operand 350 states and 532 transitions. Second operand 3 states. [2020-11-30 01:04:20,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:20,388 INFO L93 Difference]: Finished difference Result 704 states and 1072 transitions. [2020-11-30 01:04:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:20,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-11-30 01:04:20,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:20,392 INFO L225 Difference]: With dead ends: 704 [2020-11-30 01:04:20,392 INFO L226 Difference]: Without dead ends: 362 [2020-11-30 01:04:20,393 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 [2020-11-30 01:04:20,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2020-11-30 01:04:20,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 350. [2020-11-30 01:04:20,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-11-30 01:04:20,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 527 transitions. [2020-11-30 01:04:20,410 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 527 transitions. Word has length 101 [2020-11-30 01:04:20,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:20,410 INFO L481 AbstractCegarLoop]: Abstraction has 350 states and 527 transitions. [2020-11-30 01:04:20,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:20,411 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 527 transitions. [2020-11-30 01:04:20,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-11-30 01:04:20,413 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:20,413 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] [2020-11-30 01:04:20,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-30 01:04:20,413 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:20,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:20,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1920296106, now seen corresponding path program 1 times [2020-11-30 01:04:20,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:20,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334788475] [2020-11-30 01:04:20,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:20,464 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-11-30 01:04:20,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334788475] [2020-11-30 01:04:20,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:20,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:20,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182288806] [2020-11-30 01:04:20,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:20,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:20,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:20,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:20,467 INFO L87 Difference]: Start difference. First operand 350 states and 527 transitions. Second operand 3 states. [2020-11-30 01:04:20,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:20,695 INFO L93 Difference]: Finished difference Result 719 states and 1082 transitions. [2020-11-30 01:04:20,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:20,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-11-30 01:04:20,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:20,699 INFO L225 Difference]: With dead ends: 719 [2020-11-30 01:04:20,699 INFO L226 Difference]: Without dead ends: 377 [2020-11-30 01:04:20,700 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 [2020-11-30 01:04:20,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-11-30 01:04:20,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 374. [2020-11-30 01:04:20,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-11-30 01:04:20,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 557 transitions. [2020-11-30 01:04:20,723 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 557 transitions. Word has length 120 [2020-11-30 01:04:20,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:20,723 INFO L481 AbstractCegarLoop]: Abstraction has 374 states and 557 transitions. [2020-11-30 01:04:20,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:20,723 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 557 transitions. [2020-11-30 01:04:20,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-30 01:04:20,726 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:20,726 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] [2020-11-30 01:04:20,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-30 01:04:20,726 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:20,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:20,727 INFO L82 PathProgramCache]: Analyzing trace with hash -698248943, now seen corresponding path program 1 times [2020-11-30 01:04:20,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:20,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247501342] [2020-11-30 01:04:20,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:20,788 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-11-30 01:04:20,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247501342] [2020-11-30 01:04:20,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:20,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:20,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034370161] [2020-11-30 01:04:20,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:20,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:20,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:20,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:20,797 INFO L87 Difference]: Start difference. First operand 374 states and 557 transitions. Second operand 3 states. [2020-11-30 01:04:20,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:20,984 INFO L93 Difference]: Finished difference Result 743 states and 1106 transitions. [2020-11-30 01:04:20,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:20,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-11-30 01:04:20,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:20,987 INFO L225 Difference]: With dead ends: 743 [2020-11-30 01:04:20,987 INFO L226 Difference]: Without dead ends: 377 [2020-11-30 01:04:20,988 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 [2020-11-30 01:04:20,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-11-30 01:04:21,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 374. [2020-11-30 01:04:21,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-11-30 01:04:21,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 551 transitions. [2020-11-30 01:04:21,006 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 551 transitions. Word has length 121 [2020-11-30 01:04:21,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:21,007 INFO L481 AbstractCegarLoop]: Abstraction has 374 states and 551 transitions. [2020-11-30 01:04:21,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:21,008 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 551 transitions. [2020-11-30 01:04:21,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-11-30 01:04:21,010 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:21,010 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] [2020-11-30 01:04:21,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-30 01:04:21,010 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:21,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:21,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1095545664, now seen corresponding path program 1 times [2020-11-30 01:04:21,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:21,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195930118] [2020-11-30 01:04:21,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:21,083 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 01:04:21,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195930118] [2020-11-30 01:04:21,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:21,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:21,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159011448] [2020-11-30 01:04:21,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:21,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:21,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:21,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:21,088 INFO L87 Difference]: Start difference. First operand 374 states and 551 transitions. Second operand 3 states. [2020-11-30 01:04:21,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:21,323 INFO L93 Difference]: Finished difference Result 785 states and 1156 transitions. [2020-11-30 01:04:21,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:21,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2020-11-30 01:04:21,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:21,326 INFO L225 Difference]: With dead ends: 785 [2020-11-30 01:04:21,327 INFO L226 Difference]: Without dead ends: 419 [2020-11-30 01:04:21,327 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 [2020-11-30 01:04:21,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2020-11-30 01:04:21,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 415. [2020-11-30 01:04:21,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2020-11-30 01:04:21,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 610 transitions. [2020-11-30 01:04:21,346 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 610 transitions. Word has length 130 [2020-11-30 01:04:21,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:21,347 INFO L481 AbstractCegarLoop]: Abstraction has 415 states and 610 transitions. [2020-11-30 01:04:21,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:21,347 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 610 transitions. [2020-11-30 01:04:21,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-11-30 01:04:21,349 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:21,349 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] [2020-11-30 01:04:21,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-30 01:04:21,350 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:21,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:21,350 INFO L82 PathProgramCache]: Analyzing trace with hash 850220610, now seen corresponding path program 1 times [2020-11-30 01:04:21,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:21,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238015098] [2020-11-30 01:04:21,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:21,401 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 01:04:21,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238015098] [2020-11-30 01:04:21,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:21,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:21,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772263236] [2020-11-30 01:04:21,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:21,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:21,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:21,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:21,404 INFO L87 Difference]: Start difference. First operand 415 states and 610 transitions. Second operand 3 states. [2020-11-30 01:04:21,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:21,643 INFO L93 Difference]: Finished difference Result 826 states and 1213 transitions. [2020-11-30 01:04:21,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:21,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2020-11-30 01:04:21,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:21,646 INFO L225 Difference]: With dead ends: 826 [2020-11-30 01:04:21,647 INFO L226 Difference]: Without dead ends: 417 [2020-11-30 01:04:21,648 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 [2020-11-30 01:04:21,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2020-11-30 01:04:21,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 413. [2020-11-30 01:04:21,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-11-30 01:04:21,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 605 transitions. [2020-11-30 01:04:21,667 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 605 transitions. Word has length 131 [2020-11-30 01:04:21,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:21,668 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 605 transitions. [2020-11-30 01:04:21,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:21,668 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 605 transitions. [2020-11-30 01:04:21,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-11-30 01:04:21,670 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:21,671 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] [2020-11-30 01:04:21,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-30 01:04:21,671 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:21,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:21,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1977670215, now seen corresponding path program 1 times [2020-11-30 01:04:21,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:21,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340779345] [2020-11-30 01:04:21,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:21,737 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 01:04:21,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340779345] [2020-11-30 01:04:21,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:21,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:21,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413332075] [2020-11-30 01:04:21,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:21,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:21,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:21,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:21,740 INFO L87 Difference]: Start difference. First operand 413 states and 605 transitions. Second operand 3 states. [2020-11-30 01:04:21,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:21,932 INFO L93 Difference]: Finished difference Result 843 states and 1235 transitions. [2020-11-30 01:04:21,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:21,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-11-30 01:04:21,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:21,936 INFO L225 Difference]: With dead ends: 843 [2020-11-30 01:04:21,936 INFO L226 Difference]: Without dead ends: 438 [2020-11-30 01:04:21,937 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 [2020-11-30 01:04:21,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-11-30 01:04:21,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 434. [2020-11-30 01:04:21,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-11-30 01:04:21,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 628 transitions. [2020-11-30 01:04:21,958 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 628 transitions. Word has length 141 [2020-11-30 01:04:21,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:21,958 INFO L481 AbstractCegarLoop]: Abstraction has 434 states and 628 transitions. [2020-11-30 01:04:21,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:21,958 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 628 transitions. [2020-11-30 01:04:21,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-11-30 01:04:21,960 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:21,960 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] [2020-11-30 01:04:21,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-11-30 01:04:21,961 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:21,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:21,962 INFO L82 PathProgramCache]: Analyzing trace with hash -2018786222, now seen corresponding path program 1 times [2020-11-30 01:04:21,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:21,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405428695] [2020-11-30 01:04:21,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:22,015 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 01:04:22,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405428695] [2020-11-30 01:04:22,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:22,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:22,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576832989] [2020-11-30 01:04:22,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:22,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:22,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:22,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:22,018 INFO L87 Difference]: Start difference. First operand 434 states and 628 transitions. Second operand 3 states. [2020-11-30 01:04:22,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:22,197 INFO L93 Difference]: Finished difference Result 864 states and 1250 transitions. [2020-11-30 01:04:22,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:22,200 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-11-30 01:04:22,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:22,202 INFO L225 Difference]: With dead ends: 864 [2020-11-30 01:04:22,202 INFO L226 Difference]: Without dead ends: 438 [2020-11-30 01:04:22,203 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 [2020-11-30 01:04:22,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-11-30 01:04:22,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 434. [2020-11-30 01:04:22,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-11-30 01:04:22,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 620 transitions. [2020-11-30 01:04:22,226 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 620 transitions. Word has length 142 [2020-11-30 01:04:22,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:22,226 INFO L481 AbstractCegarLoop]: Abstraction has 434 states and 620 transitions. [2020-11-30 01:04:22,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:22,226 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 620 transitions. [2020-11-30 01:04:22,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 01:04:22,228 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:22,229 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] [2020-11-30 01:04:22,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-11-30 01:04:22,229 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:22,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:22,229 INFO L82 PathProgramCache]: Analyzing trace with hash -136164042, now seen corresponding path program 1 times [2020-11-30 01:04:22,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:22,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594066323] [2020-11-30 01:04:22,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:22,301 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-11-30 01:04:22,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594066323] [2020-11-30 01:04:22,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:22,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:22,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857185103] [2020-11-30 01:04:22,302 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:22,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:22,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:22,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:22,303 INFO L87 Difference]: Start difference. First operand 434 states and 620 transitions. Second operand 3 states. [2020-11-30 01:04:22,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:22,352 INFO L93 Difference]: Finished difference Result 1280 states and 1824 transitions. [2020-11-30 01:04:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:22,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2020-11-30 01:04:22,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:22,358 INFO L225 Difference]: With dead ends: 1280 [2020-11-30 01:04:22,359 INFO L226 Difference]: Without dead ends: 854 [2020-11-30 01:04:22,360 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 [2020-11-30 01:04:22,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2020-11-30 01:04:22,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 435. [2020-11-30 01:04:22,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2020-11-30 01:04:22,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 621 transitions. [2020-11-30 01:04:22,386 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 621 transitions. Word has length 157 [2020-11-30 01:04:22,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:22,386 INFO L481 AbstractCegarLoop]: Abstraction has 435 states and 621 transitions. [2020-11-30 01:04:22,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:22,386 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 621 transitions. [2020-11-30 01:04:22,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 01:04:22,389 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:22,389 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] [2020-11-30 01:04:22,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-11-30 01:04:22,390 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:22,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:22,390 INFO L82 PathProgramCache]: Analyzing trace with hash -877621738, now seen corresponding path program 1 times [2020-11-30 01:04:22,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:22,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610484276] [2020-11-30 01:04:22,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:22,507 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-11-30 01:04:22,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610484276] [2020-11-30 01:04:22,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42862487] [2020-11-30 01:04:22,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d07026f-b8b9-4dfd-b657-bcfdbac9fb0a/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 [2020-11-30 01:04:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:22,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:04:22,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:04:22,803 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-11-30 01:04:22,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:04:22,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-30 01:04:22,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501239407] [2020-11-30 01:04:22,805 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:04:22,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:22,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:04:22,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:04:22,806 INFO L87 Difference]: Start difference. First operand 435 states and 621 transitions. Second operand 4 states. [2020-11-30 01:04:23,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:23,435 INFO L93 Difference]: Finished difference Result 1356 states and 1933 transitions. [2020-11-30 01:04:23,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:04:23,436 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 157 [2020-11-30 01:04:23,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:23,441 INFO L225 Difference]: With dead ends: 1356 [2020-11-30 01:04:23,441 INFO L226 Difference]: Without dead ends: 904 [2020-11-30 01:04:23,442 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 [2020-11-30 01:04:23,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2020-11-30 01:04:23,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 533. [2020-11-30 01:04:23,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2020-11-30 01:04:23,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 762 transitions. [2020-11-30 01:04:23,471 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 762 transitions. Word has length 157 [2020-11-30 01:04:23,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:23,471 INFO L481 AbstractCegarLoop]: Abstraction has 533 states and 762 transitions. [2020-11-30 01:04:23,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:04:23,472 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 762 transitions. [2020-11-30 01:04:23,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 01:04:23,474 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:23,474 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] [2020-11-30 01:04:23,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2020-11-30 01:04:23,695 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:23,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:23,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1902183378, now seen corresponding path program 1 times [2020-11-30 01:04:23,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:23,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105779981] [2020-11-30 01:04:23,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:23,768 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-11-30 01:04:23,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105779981] [2020-11-30 01:04:23,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775461544] [2020-11-30 01:04:23,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d07026f-b8b9-4dfd-b657-bcfdbac9fb0a/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 [2020-11-30 01:04:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:23,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:04:23,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:04:23,947 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-11-30 01:04:23,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:04:23,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-30 01:04:23,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449493973] [2020-11-30 01:04:23,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:04:23,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:23,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:04:23,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:04:23,950 INFO L87 Difference]: Start difference. First operand 533 states and 762 transitions. Second operand 4 states. [2020-11-30 01:04:24,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:24,402 INFO L93 Difference]: Finished difference Result 1477 states and 2099 transitions. [2020-11-30 01:04:24,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:04:24,403 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 159 [2020-11-30 01:04:24,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:24,409 INFO L225 Difference]: With dead ends: 1477 [2020-11-30 01:04:24,409 INFO L226 Difference]: Without dead ends: 952 [2020-11-30 01:04:24,411 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 [2020-11-30 01:04:24,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2020-11-30 01:04:24,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 588. [2020-11-30 01:04:24,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-11-30 01:04:24,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 802 transitions. [2020-11-30 01:04:24,441 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 802 transitions. Word has length 159 [2020-11-30 01:04:24,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:24,441 INFO L481 AbstractCegarLoop]: Abstraction has 588 states and 802 transitions. [2020-11-30 01:04:24,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:04:24,442 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 802 transitions. [2020-11-30 01:04:24,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-30 01:04:24,444 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:24,444 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] [2020-11-30 01:04:24,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-11-30 01:04:24,657 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:24,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:24,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1057676942, now seen corresponding path program 1 times [2020-11-30 01:04:24,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:24,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346484766] [2020-11-30 01:04:24,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:24,737 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 97 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-11-30 01:04:24,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346484766] [2020-11-30 01:04:24,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042126461] [2020-11-30 01:04:24,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d07026f-b8b9-4dfd-b657-bcfdbac9fb0a/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 [2020-11-30 01:04:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:24,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:04:24,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:04:24,893 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 97 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-11-30 01:04:24,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:04:24,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-30 01:04:24,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139480484] [2020-11-30 01:04:24,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:04:24,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:24,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:04:24,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:04:24,896 INFO L87 Difference]: Start difference. First operand 588 states and 802 transitions. Second operand 4 states. [2020-11-30 01:04:25,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:25,345 INFO L93 Difference]: Finished difference Result 1485 states and 2023 transitions. [2020-11-30 01:04:25,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:04:25,345 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 167 [2020-11-30 01:04:25,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:25,351 INFO L225 Difference]: With dead ends: 1485 [2020-11-30 01:04:25,352 INFO L226 Difference]: Without dead ends: 898 [2020-11-30 01:04:25,353 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 [2020-11-30 01:04:25,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2020-11-30 01:04:25,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 516. [2020-11-30 01:04:25,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-11-30 01:04:25,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 701 transitions. [2020-11-30 01:04:25,407 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 701 transitions. Word has length 167 [2020-11-30 01:04:25,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:25,408 INFO L481 AbstractCegarLoop]: Abstraction has 516 states and 701 transitions. [2020-11-30 01:04:25,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:04:25,408 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 701 transitions. [2020-11-30 01:04:25,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-11-30 01:04:25,411 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:25,412 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] [2020-11-30 01:04:25,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2020-11-30 01:04:25,625 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:25,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:25,626 INFO L82 PathProgramCache]: Analyzing trace with hash 2140887848, now seen corresponding path program 1 times [2020-11-30 01:04:25,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:25,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204105616] [2020-11-30 01:04:25,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:25,718 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-11-30 01:04:25,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204105616] [2020-11-30 01:04:25,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:25,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:25,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578532981] [2020-11-30 01:04:25,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:25,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:25,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:25,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:25,721 INFO L87 Difference]: Start difference. First operand 516 states and 701 transitions. Second operand 3 states. [2020-11-30 01:04:25,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:25,772 INFO L93 Difference]: Finished difference Result 1227 states and 1657 transitions. [2020-11-30 01:04:25,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:25,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2020-11-30 01:04:25,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:25,776 INFO L225 Difference]: With dead ends: 1227 [2020-11-30 01:04:25,776 INFO L226 Difference]: Without dead ends: 478 [2020-11-30 01:04:25,777 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 [2020-11-30 01:04:25,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2020-11-30 01:04:25,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2020-11-30 01:04:25,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-11-30 01:04:25,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 649 transitions. [2020-11-30 01:04:25,801 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 649 transitions. Word has length 169 [2020-11-30 01:04:25,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:25,802 INFO L481 AbstractCegarLoop]: Abstraction has 478 states and 649 transitions. [2020-11-30 01:04:25,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:25,802 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 649 transitions. [2020-11-30 01:04:25,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-11-30 01:04:25,805 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:25,806 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] [2020-11-30 01:04:25,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-11-30 01:04:25,806 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:25,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:25,807 INFO L82 PathProgramCache]: Analyzing trace with hash -873338986, now seen corresponding path program 1 times [2020-11-30 01:04:25,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:25,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200278524] [2020-11-30 01:04:25,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:25,871 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2020-11-30 01:04:25,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200278524] [2020-11-30 01:04:25,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:25,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:25,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079820942] [2020-11-30 01:04:25,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:25,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:25,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:25,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:25,874 INFO L87 Difference]: Start difference. First operand 478 states and 649 transitions. Second operand 3 states. [2020-11-30 01:04:26,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:26,081 INFO L93 Difference]: Finished difference Result 965 states and 1305 transitions. [2020-11-30 01:04:26,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:26,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2020-11-30 01:04:26,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:26,084 INFO L225 Difference]: With dead ends: 965 [2020-11-30 01:04:26,084 INFO L226 Difference]: Without dead ends: 483 [2020-11-30 01:04:26,085 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 [2020-11-30 01:04:26,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-11-30 01:04:26,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 479. [2020-11-30 01:04:26,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2020-11-30 01:04:26,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 640 transitions. [2020-11-30 01:04:26,110 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 640 transitions. Word has length 201 [2020-11-30 01:04:26,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:26,110 INFO L481 AbstractCegarLoop]: Abstraction has 479 states and 640 transitions. [2020-11-30 01:04:26,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:26,111 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 640 transitions. [2020-11-30 01:04:26,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-11-30 01:04:26,117 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:26,117 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] [2020-11-30 01:04:26,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-11-30 01:04:26,118 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:26,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:26,118 INFO L82 PathProgramCache]: Analyzing trace with hash 840195126, now seen corresponding path program 1 times [2020-11-30 01:04:26,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:26,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831064455] [2020-11-30 01:04:26,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:26,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 700 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2020-11-30 01:04:26,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831064455] [2020-11-30 01:04:26,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:26,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:26,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976049829] [2020-11-30 01:04:26,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:26,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:26,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:26,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:26,278 INFO L87 Difference]: Start difference. First operand 479 states and 640 transitions. Second operand 3 states. [2020-11-30 01:04:26,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:26,458 INFO L93 Difference]: Finished difference Result 986 states and 1311 transitions. [2020-11-30 01:04:26,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:26,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 340 [2020-11-30 01:04:26,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:26,462 INFO L225 Difference]: With dead ends: 986 [2020-11-30 01:04:26,462 INFO L226 Difference]: Without dead ends: 515 [2020-11-30 01:04:26,464 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 [2020-11-30 01:04:26,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-11-30 01:04:26,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 513. [2020-11-30 01:04:26,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-11-30 01:04:26,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 679 transitions. [2020-11-30 01:04:26,489 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 679 transitions. Word has length 340 [2020-11-30 01:04:26,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:26,490 INFO L481 AbstractCegarLoop]: Abstraction has 513 states and 679 transitions. [2020-11-30 01:04:26,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:26,490 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 679 transitions. [2020-11-30 01:04:26,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2020-11-30 01:04:26,497 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:26,497 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] [2020-11-30 01:04:26,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-11-30 01:04:26,498 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:26,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:26,498 INFO L82 PathProgramCache]: Analyzing trace with hash 299615116, now seen corresponding path program 1 times [2020-11-30 01:04:26,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:26,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094037865] [2020-11-30 01:04:26,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:26,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1424 backedges. 824 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2020-11-30 01:04:26,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094037865] [2020-11-30 01:04:26,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:26,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:26,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455613741] [2020-11-30 01:04:26,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:26,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:26,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:26,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:26,648 INFO L87 Difference]: Start difference. First operand 513 states and 679 transitions. Second operand 3 states. [2020-11-30 01:04:26,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:26,849 INFO L93 Difference]: Finished difference Result 1056 states and 1393 transitions. [2020-11-30 01:04:26,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:26,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 371 [2020-11-30 01:04:26,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:26,854 INFO L225 Difference]: With dead ends: 1056 [2020-11-30 01:04:26,854 INFO L226 Difference]: Without dead ends: 551 [2020-11-30 01:04:26,855 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 [2020-11-30 01:04:26,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2020-11-30 01:04:26,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 549. [2020-11-30 01:04:26,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2020-11-30 01:04:26,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 720 transitions. [2020-11-30 01:04:26,883 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 720 transitions. Word has length 371 [2020-11-30 01:04:26,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:26,883 INFO L481 AbstractCegarLoop]: Abstraction has 549 states and 720 transitions. [2020-11-30 01:04:26,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:26,884 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 720 transitions. [2020-11-30 01:04:26,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2020-11-30 01:04:26,893 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:26,893 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] [2020-11-30 01:04:26,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-11-30 01:04:26,894 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:26,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:26,894 INFO L82 PathProgramCache]: Analyzing trace with hash 521510171, now seen corresponding path program 1 times [2020-11-30 01:04:26,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:26,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001005109] [2020-11-30 01:04:26,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:27,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 970 proven. 0 refuted. 0 times theorem prover too weak. 749 trivial. 0 not checked. [2020-11-30 01:04:27,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001005109] [2020-11-30 01:04:27,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:27,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:27,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960493890] [2020-11-30 01:04:27,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:27,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:27,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:27,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:27,193 INFO L87 Difference]: Start difference. First operand 549 states and 720 transitions. Second operand 3 states. [2020-11-30 01:04:27,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:27,260 INFO L93 Difference]: Finished difference Result 1500 states and 1957 transitions. [2020-11-30 01:04:27,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:27,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 404 [2020-11-30 01:04:27,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:27,267 INFO L225 Difference]: With dead ends: 1500 [2020-11-30 01:04:27,267 INFO L226 Difference]: Without dead ends: 959 [2020-11-30 01:04:27,268 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 [2020-11-30 01:04:27,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2020-11-30 01:04:27,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 959. [2020-11-30 01:04:27,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 959 states. [2020-11-30 01:04:27,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1245 transitions. [2020-11-30 01:04:27,314 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1245 transitions. Word has length 404 [2020-11-30 01:04:27,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:27,314 INFO L481 AbstractCegarLoop]: Abstraction has 959 states and 1245 transitions. [2020-11-30 01:04:27,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:27,315 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1245 transitions. [2020-11-30 01:04:27,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2020-11-30 01:04:27,319 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:27,319 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] [2020-11-30 01:04:27,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-11-30 01:04:27,320 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:04:27,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:27,321 INFO L82 PathProgramCache]: Analyzing trace with hash 810329561, now seen corresponding path program 1 times [2020-11-30 01:04:27,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:27,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977281699] [2020-11-30 01:04:27,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:27,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2020-11-30 01:04:27,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977281699] [2020-11-30 01:04:27,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063969099] [2020-11-30 01:04:27,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d07026f-b8b9-4dfd-b657-bcfdbac9fb0a/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 [2020-11-30 01:04:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:27,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:04:27,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:04:27,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2020-11-30 01:04:27,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:04:27,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-11-30 01:04:27,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546394145] [2020-11-30 01:04:27,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:04:27,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:27,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:04:27,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:04:27,917 INFO L87 Difference]: Start difference. First operand 959 states and 1245 transitions. Second operand 6 states. [2020-11-30 01:04:28,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:28,330 INFO L93 Difference]: Finished difference Result 2294 states and 3012 transitions. [2020-11-30 01:04:28,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:04:28,331 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 404 [2020-11-30 01:04:28,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:28,332 INFO L225 Difference]: With dead ends: 2294 [2020-11-30 01:04:28,333 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:04:28,336 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 [2020-11-30 01:04:28,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:04:28,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:04:28,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:04:28,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:04:28,337 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 404 [2020-11-30 01:04:28,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:28,337 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:04:28,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:04:28,337 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:04:28,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:04:28,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:04:28,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:04:29,709 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 200 [2020-11-30 01:04:30,141 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 200 [2020-11-30 01:04:30,522 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 14 [2020-11-30 01:04:30,793 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 58 [2020-11-30 01:04:31,194 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 48 [2020-11-30 01:04:31,733 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2020-11-30 01:04:32,036 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 58 [2020-11-30 01:04:32,416 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 29 [2020-11-30 01:04:32,606 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 46 [2020-11-30 01:04:32,775 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 46 [2020-11-30 01:04:32,996 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 29 [2020-11-30 01:04:33,220 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 48 [2020-11-30 01:04:33,398 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 46 [2020-11-30 01:04:33,591 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 46 [2020-11-30 01:04:33,940 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 14 [2020-11-30 01:04:34,157 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 48 [2020-11-30 01:04:34,329 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2020-11-30 01:04:36,024 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 182 DAG size of output: 72 [2020-11-30 01:04:36,250 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 53 [2020-11-30 01:04:37,921 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 182 DAG size of output: 72 [2020-11-30 01:04:38,127 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 6 [2020-11-30 01:04:38,130 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 262) no Hoare annotation was computed. [2020-11-30 01:04:38,130 INFO L270 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))) [2020-11-30 01:04:38,131 INFO L270 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))) [2020-11-30 01:04:38,131 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-11-30 01:04:38,131 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 01:04:38,131 INFO L274 CegarLoopResult]: For program point L631(lines 631 659) no Hoare annotation was computed. [2020-11-30 01:04:38,131 INFO L274 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2020-11-30 01:04:38,133 INFO L274 CegarLoopResult]: For program point L632(lines 632 656) no Hoare annotation was computed. [2020-11-30 01:04:38,133 INFO L274 CegarLoopResult]: For program point L566(lines 566 570) no Hoare annotation was computed. [2020-11-30 01:04:38,133 INFO L274 CegarLoopResult]: For program point L500(lines 500 504) no Hoare annotation was computed. [2020-11-30 01:04:38,133 INFO L274 CegarLoopResult]: For program point L566-2(lines 566 570) no Hoare annotation was computed. [2020-11-30 01:04:38,133 INFO L274 CegarLoopResult]: For program point L500-2(lines 211 592) no Hoare annotation was computed. [2020-11-30 01:04:38,133 INFO L274 CegarLoopResult]: For program point L203(lines 203 597) no Hoare annotation was computed. [2020-11-30 01:04:38,133 INFO L274 CegarLoopResult]: For program point L170(lines 170 608) no Hoare annotation was computed. [2020-11-30 01:04:38,133 INFO L274 CegarLoopResult]: For program point L137(lines 137 619) no Hoare annotation was computed. [2020-11-30 01:04:38,133 INFO L274 CegarLoopResult]: For program point L104(lines 104 630) no Hoare annotation was computed. [2020-11-30 01:04:38,133 INFO L274 CegarLoopResult]: For program point L666(lines 666 670) no Hoare annotation was computed. [2020-11-30 01:04:38,134 INFO L274 CegarLoopResult]: For program point L633(lines 633 642) no Hoare annotation was computed. [2020-11-30 01:04:38,134 INFO L274 CegarLoopResult]: For program point L666-2(lines 666 670) no Hoare annotation was computed. [2020-11-30 01:04:38,134 INFO L274 CegarLoopResult]: For program point L633-2(lines 632 654) no Hoare annotation was computed. [2020-11-30 01:04:38,134 INFO L274 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-11-30 01:04:38,134 INFO L270 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))))) [2020-11-30 01:04:38,134 INFO L270 CegarLoopResult]: At program point L105(lines 104 630) the Hoare annotation is: false [2020-11-30 01:04:38,134 INFO L274 CegarLoopResult]: For program point L304(lines 304 308) no Hoare annotation was computed. [2020-11-30 01:04:38,134 INFO L274 CegarLoopResult]: For program point L304-2(lines 211 592) no Hoare annotation was computed. [2020-11-30 01:04:38,134 INFO L274 CegarLoopResult]: For program point L635(lines 635 639) no Hoare annotation was computed. [2020-11-30 01:04:38,135 INFO L274 CegarLoopResult]: For program point L206(lines 206 596) no Hoare annotation was computed. [2020-11-30 01:04:38,135 INFO L274 CegarLoopResult]: For program point L173(lines 173 607) no Hoare annotation was computed. [2020-11-30 01:04:38,135 INFO L274 CegarLoopResult]: For program point L140(lines 140 618) no Hoare annotation was computed. [2020-11-30 01:04:38,135 INFO L274 CegarLoopResult]: For program point L107(lines 107 629) no Hoare annotation was computed. [2020-11-30 01:04:38,135 INFO L274 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-11-30 01:04:38,135 INFO L274 CegarLoopResult]: For program point L339-2(lines 211 592) no Hoare annotation was computed. [2020-11-30 01:04:38,135 INFO L270 CegarLoopResult]: At program point L207(lines 206 596) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-11-30 01:04:38,135 INFO L270 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)) [2020-11-30 01:04:38,135 INFO L270 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))))) [2020-11-30 01:04:38,135 INFO L274 CegarLoopResult]: For program point L75(lines 75 83) no Hoare annotation was computed. [2020-11-30 01:04:38,136 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 262) no Hoare annotation was computed. [2020-11-30 01:04:38,136 INFO L274 CegarLoopResult]: For program point L439(lines 439 451) no Hoare annotation was computed. [2020-11-30 01:04:38,136 INFO L270 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))) [2020-11-30 01:04:38,136 INFO L274 CegarLoopResult]: For program point L439-2(lines 439 451) no Hoare annotation was computed. [2020-11-30 01:04:38,136 INFO L274 CegarLoopResult]: For program point L176(lines 176 606) no Hoare annotation was computed. [2020-11-30 01:04:38,136 INFO L274 CegarLoopResult]: For program point L143(lines 143 617) no Hoare annotation was computed. [2020-11-30 01:04:38,136 INFO L274 CegarLoopResult]: For program point L110(lines 110 628) no Hoare annotation was computed. [2020-11-30 01:04:38,136 INFO L270 CegarLoopResult]: At program point L210(lines 209 595) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-11-30 01:04:38,136 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-11-30 01:04:38,137 INFO L274 CegarLoopResult]: For program point L78-2(lines 75 83) no Hoare annotation was computed. [2020-11-30 01:04:38,137 INFO L274 CegarLoopResult]: For program point L541(lines 541 546) no Hoare annotation was computed. [2020-11-30 01:04:38,137 INFO L274 CegarLoopResult]: For program point L442(lines 442 447) no Hoare annotation was computed. [2020-11-30 01:04:38,137 INFO L274 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-11-30 01:04:38,137 INFO L274 CegarLoopResult]: For program point L244(lines 244 249) no Hoare annotation was computed. [2020-11-30 01:04:38,137 INFO L274 CegarLoopResult]: For program point L179(lines 179 605) no Hoare annotation was computed. [2020-11-30 01:04:38,137 INFO L274 CegarLoopResult]: For program point L146(lines 146 616) no Hoare annotation was computed. [2020-11-30 01:04:38,137 INFO L274 CegarLoopResult]: For program point L113(lines 113 627) no Hoare annotation was computed. [2020-11-30 01:04:38,137 INFO L274 CegarLoopResult]: For program point L576(lines 576 586) no Hoare annotation was computed. [2020-11-30 01:04:38,137 INFO L274 CegarLoopResult]: For program point L576-1(lines 576 586) no Hoare annotation was computed. [2020-11-30 01:04:38,137 INFO L274 CegarLoopResult]: For program point L510(lines 510 514) no Hoare annotation was computed. [2020-11-30 01:04:38,137 INFO L274 CegarLoopResult]: For program point L510-2(lines 510 514) no Hoare annotation was computed. [2020-11-30 01:04:38,138 INFO L270 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))))) [2020-11-30 01:04:38,138 INFO L270 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))) [2020-11-30 01:04:38,138 INFO L274 CegarLoopResult]: For program point L478(lines 478 482) no Hoare annotation was computed. [2020-11-30 01:04:38,138 INFO L270 CegarLoopResult]: At program point L214(lines 107 629) the Hoare annotation is: false [2020-11-30 01:04:38,138 INFO L277 CegarLoopResult]: At program point L677(lines 67 679) the Hoare annotation is: true [2020-11-30 01:04:38,138 INFO L274 CegarLoopResult]: For program point L644(lines 644 650) no Hoare annotation was computed. [2020-11-30 01:04:38,138 INFO L274 CegarLoopResult]: For program point L347(lines 347 379) no Hoare annotation was computed. [2020-11-30 01:04:38,138 INFO L274 CegarLoopResult]: For program point L314(lines 314 318) no Hoare annotation was computed. [2020-11-30 01:04:38,140 INFO L274 CegarLoopResult]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2020-11-30 01:04:38,140 INFO L274 CegarLoopResult]: For program point L182(lines 182 604) no Hoare annotation was computed. [2020-11-30 01:04:38,140 INFO L274 CegarLoopResult]: For program point L149(lines 149 615) no Hoare annotation was computed. [2020-11-30 01:04:38,140 INFO L274 CegarLoopResult]: For program point L116(lines 116 626) no Hoare annotation was computed. [2020-11-30 01:04:38,140 INFO L277 CegarLoopResult]: At program point L678(lines 12 680) the Hoare annotation is: true [2020-11-30 01:04:38,140 INFO L274 CegarLoopResult]: For program point L579(lines 579 583) no Hoare annotation was computed. [2020-11-30 01:04:38,141 INFO L274 CegarLoopResult]: For program point L85(lines 85 93) no Hoare annotation was computed. [2020-11-30 01:04:38,141 INFO L274 CegarLoopResult]: For program point L85-1(lines 67 679) no Hoare annotation was computed. [2020-11-30 01:04:38,141 INFO L274 CegarLoopResult]: For program point L350(lines 350 378) no Hoare annotation was computed. [2020-11-30 01:04:38,141 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:04:38,141 INFO L274 CegarLoopResult]: For program point L350-1(lines 350 378) no Hoare annotation was computed. [2020-11-30 01:04:38,141 INFO L274 CegarLoopResult]: For program point L251(lines 251 264) no Hoare annotation was computed. [2020-11-30 01:04:38,141 INFO L274 CegarLoopResult]: For program point L185(lines 185 603) no Hoare annotation was computed. [2020-11-30 01:04:38,142 INFO L274 CegarLoopResult]: For program point L152(lines 152 614) no Hoare annotation was computed. [2020-11-30 01:04:38,142 INFO L274 CegarLoopResult]: For program point L119(lines 119 625) no Hoare annotation was computed. [2020-11-30 01:04:38,142 INFO L274 CegarLoopResult]: For program point L86(lines 86 90) no Hoare annotation was computed. [2020-11-30 01:04:38,142 INFO L274 CegarLoopResult]: For program point L351(lines 351 375) no Hoare annotation was computed. [2020-11-30 01:04:38,142 INFO L274 CegarLoopResult]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-11-30 01:04:38,142 INFO L270 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))))) [2020-11-30 01:04:38,143 INFO L270 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))) [2020-11-30 01:04:38,143 INFO L274 CegarLoopResult]: For program point L219-2(lines 211 592) no Hoare annotation was computed. [2020-11-30 01:04:38,143 INFO L274 CegarLoopResult]: For program point L253(lines 253 258) no Hoare annotation was computed. [2020-11-30 01:04:38,143 INFO L274 CegarLoopResult]: For program point L551(lines 551 559) no Hoare annotation was computed. [2020-11-30 01:04:38,143 INFO L274 CegarLoopResult]: For program point L287(lines 287 291) no Hoare annotation was computed. [2020-11-30 01:04:38,143 INFO L274 CegarLoopResult]: For program point L287-2(lines 211 592) no Hoare annotation was computed. [2020-11-30 01:04:38,143 INFO L274 CegarLoopResult]: For program point L188(lines 188 602) no Hoare annotation was computed. [2020-11-30 01:04:38,144 INFO L274 CegarLoopResult]: For program point L155(lines 155 613) no Hoare annotation was computed. [2020-11-30 01:04:38,144 INFO L274 CegarLoopResult]: For program point L122(lines 122 624) no Hoare annotation was computed. [2020-11-30 01:04:38,144 INFO L274 CegarLoopResult]: For program point L387(lines 387 418) no Hoare annotation was computed. [2020-11-30 01:04:38,144 INFO L274 CegarLoopResult]: For program point L354(lines 354 374) no Hoare annotation was computed. [2020-11-30 01:04:38,144 INFO L270 CegarLoopResult]: At program point L123(lines 119 625) the Hoare annotation is: false [2020-11-30 01:04:38,144 INFO L274 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-11-30 01:04:38,144 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:04:38,144 INFO L274 CegarLoopResult]: For program point L554(lines 554 558) no Hoare annotation was computed. [2020-11-30 01:04:38,145 INFO L274 CegarLoopResult]: For program point L521(lines 521 526) no Hoare annotation was computed. [2020-11-30 01:04:38,145 INFO L274 CegarLoopResult]: For program point L356(lines 356 360) no Hoare annotation was computed. [2020-11-30 01:04:38,145 INFO L274 CegarLoopResult]: For program point L323-1(lines 323 332) no Hoare annotation was computed. [2020-11-30 01:04:38,145 INFO L274 CegarLoopResult]: For program point L356-2(lines 354 372) no Hoare annotation was computed. [2020-11-30 01:04:38,145 INFO L274 CegarLoopResult]: For program point L191(lines 191 601) no Hoare annotation was computed. [2020-11-30 01:04:38,145 INFO L274 CegarLoopResult]: For program point L158(lines 158 612) no Hoare annotation was computed. [2020-11-30 01:04:38,145 INFO L274 CegarLoopResult]: For program point L125(lines 125 623) no Hoare annotation was computed. [2020-11-30 01:04:38,146 INFO L270 CegarLoopResult]: At program point L555(lines 67 679) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-11-30 01:04:38,146 INFO L274 CegarLoopResult]: For program point L489(lines 489 493) no Hoare annotation was computed. [2020-11-30 01:04:38,146 INFO L270 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))))) [2020-11-30 01:04:38,146 INFO L270 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))) [2020-11-30 01:04:38,147 INFO L270 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))) [2020-11-30 01:04:38,147 INFO L274 CegarLoopResult]: For program point L457(lines 457 461) no Hoare annotation was computed. [2020-11-30 01:04:38,147 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 260) no Hoare annotation was computed. [2020-11-30 01:04:38,147 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:04:38,147 INFO L274 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-11-30 01:04:38,147 INFO L274 CegarLoopResult]: For program point L260-1(line 260) no Hoare annotation was computed. [2020-11-30 01:04:38,147 INFO L274 CegarLoopResult]: For program point L194(lines 194 600) no Hoare annotation was computed. [2020-11-30 01:04:38,148 INFO L274 CegarLoopResult]: For program point L161(lines 161 611) no Hoare annotation was computed. [2020-11-30 01:04:38,148 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 260) no Hoare annotation was computed. [2020-11-30 01:04:38,148 INFO L274 CegarLoopResult]: For program point L128(lines 128 622) no Hoare annotation was computed. [2020-11-30 01:04:38,148 INFO L277 CegarLoopResult]: At program point L690(lines 681 692) the Hoare annotation is: true [2020-11-30 01:04:38,148 INFO L274 CegarLoopResult]: For program point L327(lines 327 331) no Hoare annotation was computed. [2020-11-30 01:04:38,148 INFO L274 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-11-30 01:04:38,148 INFO L274 CegarLoopResult]: For program point L262-1(line 262) no Hoare annotation was computed. [2020-11-30 01:04:38,149 INFO L270 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))) [2020-11-30 01:04:38,149 INFO L274 CegarLoopResult]: For program point L560(lines 560 564) no Hoare annotation was computed. [2020-11-30 01:04:38,149 INFO L274 CegarLoopResult]: For program point L428(lines 428 432) no Hoare annotation was computed. [2020-11-30 01:04:38,149 INFO L270 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))) [2020-11-30 01:04:38,150 INFO L274 CegarLoopResult]: For program point L197(lines 197 599) no Hoare annotation was computed. [2020-11-30 01:04:38,150 INFO L274 CegarLoopResult]: For program point L164(lines 164 610) no Hoare annotation was computed. [2020-11-30 01:04:38,150 INFO L274 CegarLoopResult]: For program point L131(lines 131 621) no Hoare annotation was computed. [2020-11-30 01:04:38,150 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:04:38,150 INFO L274 CegarLoopResult]: For program point L528(lines 528 532) no Hoare annotation was computed. [2020-11-30 01:04:38,150 INFO L274 CegarLoopResult]: For program point L462(lines 462 473) no Hoare annotation was computed. [2020-11-30 01:04:38,150 INFO L274 CegarLoopResult]: For program point L528-2(lines 211 592) no Hoare annotation was computed. [2020-11-30 01:04:38,151 INFO L270 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))) [2020-11-30 01:04:38,151 INFO L274 CegarLoopResult]: For program point L231(lines 231 242) no Hoare annotation was computed. [2020-11-30 01:04:38,151 INFO L270 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))))) [2020-11-30 01:04:38,151 INFO L270 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))) [2020-11-30 01:04:38,151 INFO L274 CegarLoopResult]: For program point L231-2(lines 231 242) no Hoare annotation was computed. [2020-11-30 01:04:38,152 INFO L274 CegarLoopResult]: For program point L364(lines 364 368) no Hoare annotation was computed. [2020-11-30 01:04:38,152 INFO L277 CegarLoopResult]: At program point L662(lines 100 663) the Hoare annotation is: true [2020-11-30 01:04:38,152 INFO L274 CegarLoopResult]: For program point L398(lines 398 404) no Hoare annotation was computed. [2020-11-30 01:04:38,152 INFO L274 CegarLoopResult]: For program point L233(lines 233 238) no Hoare annotation was computed. [2020-11-30 01:04:38,152 INFO L274 CegarLoopResult]: For program point L200(lines 200 598) no Hoare annotation was computed. [2020-11-30 01:04:38,152 INFO L274 CegarLoopResult]: For program point L167(lines 167 609) no Hoare annotation was computed. [2020-11-30 01:04:38,152 INFO L274 CegarLoopResult]: For program point L134(lines 134 620) no Hoare annotation was computed. [2020-11-30 01:04:38,153 INFO L270 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))) [2020-11-30 01:04:38,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:04:38 BoogieIcfgContainer [2020-11-30 01:04:38,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:04:38,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:04:38,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:04:38,204 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:04:38,204 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:04:14" (3/4) ... [2020-11-30 01:04:38,207 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:04:38,234 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 01:04:38,235 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 01:04:38,236 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:04:38,237 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:04:38,389 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4d07026f-b8b9-4dfd-b657-bcfdbac9fb0a/bin/uautomizer/witness.graphml [2020-11-30 01:04:38,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:04:38,391 INFO L168 Benchmark]: Toolchain (without parser) took 26103.51 ms. Allocated memory was 98.6 MB in the beginning and 553.6 MB in the end (delta: 455.1 MB). Free memory was 69.5 MB in the beginning and 349.0 MB in the end (delta: -279.5 MB). Peak memory consumption was 175.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:38,391 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 98.6 MB. Free memory is still 56.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:04:38,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.27 ms. Allocated memory is still 98.6 MB. Free memory was 69.5 MB in the beginning and 71.2 MB in the end (delta: -1.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:38,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.11 ms. Allocated memory is still 98.6 MB. Free memory was 70.8 MB in the beginning and 68.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:38,392 INFO L168 Benchmark]: Boogie Preprocessor took 48.44 ms. Allocated memory is still 98.6 MB. Free memory was 68.3 MB in the beginning and 66.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:38,393 INFO L168 Benchmark]: RCFGBuilder took 1401.64 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 66.2 MB in the beginning and 67.5 MB in the end (delta: -1.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:38,393 INFO L168 Benchmark]: TraceAbstraction took 23895.54 ms. Allocated memory was 119.5 MB in the beginning and 553.6 MB in the end (delta: 434.1 MB). Free memory was 66.6 MB in the beginning and 360.5 MB in the end (delta: -293.9 MB). Peak memory consumption was 290.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:38,394 INFO L168 Benchmark]: Witness Printer took 186.49 ms. Allocated memory is still 553.6 MB. Free memory was 360.5 MB in the beginning and 349.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:38,397 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 98.6 MB. Free memory is still 56.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 500.27 ms. Allocated memory is still 98.6 MB. Free memory was 69.5 MB in the beginning and 71.2 MB in the end (delta: -1.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.11 ms. Allocated memory is still 98.6 MB. Free memory was 70.8 MB in the beginning and 68.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.44 ms. Allocated memory is still 98.6 MB. Free memory was 68.3 MB in the beginning and 66.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1401.64 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 66.2 MB in the beginning and 67.5 MB in the end (delta: -1.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23895.54 ms. Allocated memory was 119.5 MB in the beginning and 553.6 MB in the end (delta: 434.1 MB). Free memory was 66.6 MB in the beginning and 360.5 MB in the end (delta: -293.9 MB). Peak memory consumption was 290.7 MB. Max. memory is 16.1 GB. * Witness Printer took 186.49 ms. Allocated memory is still 553.6 MB. Free memory was 360.5 MB in the beginning and 349.0 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: 14.1s, OverallIterations: 32, TraceHistogramMax: 14, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5404 SDtfs, 4771 SDslu, 2176 SDs, 0 SdLazy, 3168 SolverSat, 1071 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 991 GetRequests, 949 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s 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, 7.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 5145 NumberOfCodeBlocks, 5145 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 5109 ConstructedInterpolants, 0 QuantifiedInterpolants, 1700493 SizeOfPredicates, 8 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...