./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/bin/utaipan --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 Taipan --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 0.2.0-7b2dab5 [2020-12-09 04:55:55,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 04:55:55,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 04:55:55,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 04:55:55,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 04:55:55,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 04:55:55,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 04:55:55,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 04:55:55,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 04:55:55,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 04:55:55,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 04:55:55,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 04:55:55,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 04:55:55,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 04:55:55,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 04:55:55,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 04:55:55,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 04:55:55,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 04:55:55,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 04:55:55,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 04:55:55,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 04:55:55,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 04:55:55,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 04:55:55,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 04:55:55,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 04:55:55,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 04:55:55,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 04:55:55,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 04:55:55,665 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 04:55:55,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 04:55:55,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 04:55:55,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 04:55:55,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 04:55:55,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 04:55:55,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 04:55:55,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 04:55:55,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 04:55:55,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 04:55:55,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 04:55:55,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 04:55:55,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 04:55:55,673 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2020-12-09 04:55:55,693 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 04:55:55,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 04:55:55,694 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 04:55:55,694 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 04:55:55,695 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 04:55:55,695 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 04:55:55,695 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 04:55:55,695 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 04:55:55,695 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 04:55:55,695 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 04:55:55,695 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 04:55:55,695 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 04:55:55,696 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 04:55:55,696 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 04:55:55,696 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 04:55:55,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 04:55:55,697 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 04:55:55,697 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 04:55:55,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 04:55:55,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 04:55:55,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 04:55:55,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 04:55:55,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 04:55:55,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 04:55:55,697 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-09 04:55:55,698 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 04:55:55,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 04:55:55,698 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 04:55:55,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 04:55:55,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 04:55:55,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 04:55:55,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 04:55:55,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 04:55:55,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 04:55:55,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 04:55:55,699 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 04:55:55,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 04:55:55,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 04:55:55,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 04:55:55,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 04:55:55,699 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a29841a8-6662-44cb-bec4-5633de5e71d8/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0b2d978b2f3873db9b988022a041d2d18a2f859 [2020-12-09 04:55:55,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 04:55:55,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 04:55:55,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 04:55:55,902 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 04:55:55,903 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 04:55:55,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/bin/utaipan/../../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2020-12-09 04:55:55,946 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/bin/utaipan/data/175a87c51/628f1272f53941939b5f431f1bcccfc9/FLAG96fc70b47 [2020-12-09 04:55:56,344 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 04:55:56,344 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2020-12-09 04:55:56,354 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/bin/utaipan/data/175a87c51/628f1272f53941939b5f431f1bcccfc9/FLAG96fc70b47 [2020-12-09 04:55:56,365 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/bin/utaipan/data/175a87c51/628f1272f53941939b5f431f1bcccfc9 [2020-12-09 04:55:56,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 04:55:56,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 04:55:56,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 04:55:56,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 04:55:56,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 04:55:56,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:55:56" (1/1) ... [2020-12-09 04:55:56,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d404dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:56, skipping insertion in model container [2020-12-09 04:55:56,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:55:56" (1/1) ... [2020-12-09 04:55:56,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 04:55:56,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 04:55:56,591 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c[44644,44657] [2020-12-09 04:55:56,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 04:55:56,605 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 04:55:56,655 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c[44644,44657] [2020-12-09 04:55:56,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 04:55:56,672 INFO L208 MainTranslator]: Completed translation [2020-12-09 04:55:56,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:56 WrapperNode [2020-12-09 04:55:56,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 04:55:56,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 04:55:56,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 04:55:56,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 04:55:56,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:56" (1/1) ... [2020-12-09 04:55:56,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:56" (1/1) ... [2020-12-09 04:55:56,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 04:55:56,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 04:55:56,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 04:55:56,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 04:55:56,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:56" (1/1) ... [2020-12-09 04:55:56,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:56" (1/1) ... [2020-12-09 04:55:56,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:56" (1/1) ... [2020-12-09 04:55:56,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:56" (1/1) ... [2020-12-09 04:55:56,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:56" (1/1) ... [2020-12-09 04:55:56,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:56" (1/1) ... [2020-12-09 04:55:56,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:56" (1/1) ... [2020-12-09 04:55:56,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 04:55:56,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 04:55:56,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 04:55:56,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 04:55:56,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 04:55:56,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 04:55:56,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 04:55:56,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 04:55:56,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 04:55:56,882 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 04:55:57,187 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-12-09 04:55:57,187 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-12-09 04:55:57,412 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 04:55:57,412 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 04:55:57,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:55:57 BoogieIcfgContainer [2020-12-09 04:55:57,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 04:55:57,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 04:55:57,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 04:55:57,418 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 04:55:57,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:55:56" (1/3) ... [2020-12-09 04:55:57,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb9998b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:55:57, skipping insertion in model container [2020-12-09 04:55:57,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:55:56" (2/3) ... [2020-12-09 04:55:57,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb9998b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:55:57, skipping insertion in model container [2020-12-09 04:55:57,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:55:57" (3/3) ... [2020-12-09 04:55:57,420 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.BV.c.cil.c [2020-12-09 04:55:57,429 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 04:55:57,432 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-12-09 04:55:57,439 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-09 04:55:57,457 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 04:55:57,458 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 04:55:57,458 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 04:55:57,458 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 04:55:57,458 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 04:55:57,458 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 04:55:57,458 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 04:55:57,458 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 04:55:57,469 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-12-09 04:55:57,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 04:55:57,473 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:55:57,473 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:55:57,474 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:55:57,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:55:57,477 INFO L82 PathProgramCache]: Analyzing trace with hash 58768629, now seen corresponding path program 1 times [2020-12-09 04:55:57,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:55:57,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212609829] [2020-12-09 04:55:57,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:55:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:57,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 04:55:57,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212609829] [2020-12-09 04:55:57,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:55:57,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:55:57,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499844650] [2020-12-09 04:55:57,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:55:57,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:55:57,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:55:57,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:57,623 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 3 states. [2020-12-09 04:55:57,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:55:57,749 INFO L93 Difference]: Finished difference Result 240 states and 405 transitions. [2020-12-09 04:55:57,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:55:57,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-12-09 04:55:57,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:55:57,761 INFO L225 Difference]: With dead ends: 240 [2020-12-09 04:55:57,762 INFO L226 Difference]: Without dead ends: 123 [2020-12-09 04:55:57,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:57,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-12-09 04:55:57,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-12-09 04:55:57,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-12-09 04:55:57,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 179 transitions. [2020-12-09 04:55:57,808 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 179 transitions. Word has length 11 [2020-12-09 04:55:57,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:55:57,808 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 179 transitions. [2020-12-09 04:55:57,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:55:57,808 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2020-12-09 04:55:57,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 04:55:57,809 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:55:57,809 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:55:57,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 04:55:57,810 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:55:57,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:55:57,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1916635815, now seen corresponding path program 1 times [2020-12-09 04:55:57,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:55:57,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525259253] [2020-12-09 04:55:57,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:55:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:57,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 04:55:57,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525259253] [2020-12-09 04:55:57,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:55:57,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:55:57,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212101477] [2020-12-09 04:55:57,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:55:57,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:55:57,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:55:57,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:57,863 INFO L87 Difference]: Start difference. First operand 123 states and 179 transitions. Second operand 3 states. [2020-12-09 04:55:57,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:55:57,961 INFO L93 Difference]: Finished difference Result 253 states and 367 transitions. [2020-12-09 04:55:57,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:55:57,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-09 04:55:57,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:55:57,963 INFO L225 Difference]: With dead ends: 253 [2020-12-09 04:55:57,963 INFO L226 Difference]: Without dead ends: 132 [2020-12-09 04:55:57,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:57,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-12-09 04:55:57,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 124. [2020-12-09 04:55:57,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-12-09 04:55:57,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2020-12-09 04:55:57,973 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 13 [2020-12-09 04:55:57,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:55:57,973 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2020-12-09 04:55:57,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:55:57,973 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2020-12-09 04:55:57,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-09 04:55:57,974 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:55:57,974 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:55:57,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 04:55:57,974 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:55:57,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:55:57,975 INFO L82 PathProgramCache]: Analyzing trace with hash 283931726, now seen corresponding path program 1 times [2020-12-09 04:55:57,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:55:57,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14540783] [2020-12-09 04:55:57,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:55:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:58,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 04:55:58,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14540783] [2020-12-09 04:55:58,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:55:58,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:55:58,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544455045] [2020-12-09 04:55:58,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:55:58,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:55:58,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:55:58,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:58,009 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand 3 states. [2020-12-09 04:55:58,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:55:58,096 INFO L93 Difference]: Finished difference Result 255 states and 369 transitions. [2020-12-09 04:55:58,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:55:58,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-12-09 04:55:58,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:55:58,098 INFO L225 Difference]: With dead ends: 255 [2020-12-09 04:55:58,098 INFO L226 Difference]: Without dead ends: 133 [2020-12-09 04:55:58,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:58,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-12-09 04:55:58,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 125. [2020-12-09 04:55:58,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-12-09 04:55:58,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 181 transitions. [2020-12-09 04:55:58,107 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 181 transitions. Word has length 14 [2020-12-09 04:55:58,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:55:58,107 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 181 transitions. [2020-12-09 04:55:58,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:55:58,107 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 181 transitions. [2020-12-09 04:55:58,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-09 04:55:58,107 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:55:58,107 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:55:58,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-09 04:55:58,108 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:55:58,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:55:58,108 INFO L82 PathProgramCache]: Analyzing trace with hash -665288962, now seen corresponding path program 1 times [2020-12-09 04:55:58,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:55:58,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663009022] [2020-12-09 04:55:58,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:55:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:58,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 04:55:58,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663009022] [2020-12-09 04:55:58,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:55:58,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:55:58,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590317] [2020-12-09 04:55:58,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:55:58,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:55:58,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:55:58,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:58,138 INFO L87 Difference]: Start difference. First operand 125 states and 181 transitions. Second operand 3 states. [2020-12-09 04:55:58,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:55:58,222 INFO L93 Difference]: Finished difference Result 257 states and 371 transitions. [2020-12-09 04:55:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:55:58,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-12-09 04:55:58,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:55:58,224 INFO L225 Difference]: With dead ends: 257 [2020-12-09 04:55:58,224 INFO L226 Difference]: Without dead ends: 134 [2020-12-09 04:55:58,225 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:58,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-12-09 04:55:58,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 126. [2020-12-09 04:55:58,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-12-09 04:55:58,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 182 transitions. [2020-12-09 04:55:58,236 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 182 transitions. Word has length 15 [2020-12-09 04:55:58,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:55:58,236 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 182 transitions. [2020-12-09 04:55:58,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:55:58,236 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 182 transitions. [2020-12-09 04:55:58,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 04:55:58,237 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:55:58,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:55:58,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-09 04:55:58,237 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:55:58,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:55:58,238 INFO L82 PathProgramCache]: Analyzing trace with hash -473696941, now seen corresponding path program 1 times [2020-12-09 04:55:58,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:55:58,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010440327] [2020-12-09 04:55:58,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:55:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:58,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 04:55:58,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010440327] [2020-12-09 04:55:58,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:55:58,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:55:58,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418312583] [2020-12-09 04:55:58,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:55:58,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:55:58,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:55:58,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:58,266 INFO L87 Difference]: Start difference. First operand 126 states and 182 transitions. Second operand 3 states. [2020-12-09 04:55:58,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:55:58,341 INFO L93 Difference]: Finished difference Result 259 states and 373 transitions. [2020-12-09 04:55:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:55:58,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-12-09 04:55:58,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:55:58,343 INFO L225 Difference]: With dead ends: 259 [2020-12-09 04:55:58,343 INFO L226 Difference]: Without dead ends: 135 [2020-12-09 04:55:58,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:58,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-12-09 04:55:58,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 127. [2020-12-09 04:55:58,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-12-09 04:55:58,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 183 transitions. [2020-12-09 04:55:58,350 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 183 transitions. Word has length 16 [2020-12-09 04:55:58,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:55:58,350 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 183 transitions. [2020-12-09 04:55:58,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:55:58,350 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2020-12-09 04:55:58,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-09 04:55:58,352 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:55:58,352 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 04:55:58,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-09 04:55:58,352 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:55:58,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:55:58,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1975357580, now seen corresponding path program 1 times [2020-12-09 04:55:58,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:55:58,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458640816] [2020-12-09 04:55:58,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:55:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:58,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 04:55:58,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458640816] [2020-12-09 04:55:58,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:55:58,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:55:58,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323564584] [2020-12-09 04:55:58,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:55:58,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:55:58,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:55:58,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:58,388 INFO L87 Difference]: Start difference. First operand 127 states and 183 transitions. Second operand 3 states. [2020-12-09 04:55:58,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:55:58,494 INFO L93 Difference]: Finished difference Result 281 states and 413 transitions. [2020-12-09 04:55:58,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:55:58,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-12-09 04:55:58,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:55:58,496 INFO L225 Difference]: With dead ends: 281 [2020-12-09 04:55:58,496 INFO L226 Difference]: Without dead ends: 156 [2020-12-09 04:55:58,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:58,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-12-09 04:55:58,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2020-12-09 04:55:58,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-12-09 04:55:58,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 231 transitions. [2020-12-09 04:55:58,503 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 231 transitions. Word has length 38 [2020-12-09 04:55:58,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:55:58,503 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 231 transitions. [2020-12-09 04:55:58,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:55:58,503 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 231 transitions. [2020-12-09 04:55:58,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-09 04:55:58,505 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:55:58,505 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 04:55:58,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-09 04:55:58,505 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:55:58,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:55:58,506 INFO L82 PathProgramCache]: Analyzing trace with hash 526471387, now seen corresponding path program 1 times [2020-12-09 04:55:58,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:55:58,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553016616] [2020-12-09 04:55:58,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:55:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:58,535 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 04:55:58,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553016616] [2020-12-09 04:55:58,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:55:58,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:55:58,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596119696] [2020-12-09 04:55:58,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:55:58,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:55:58,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:55:58,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:58,536 INFO L87 Difference]: Start difference. First operand 156 states and 231 transitions. Second operand 3 states. [2020-12-09 04:55:58,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:55:58,612 INFO L93 Difference]: Finished difference Result 326 states and 481 transitions. [2020-12-09 04:55:58,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:55:58,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-12-09 04:55:58,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:55:58,614 INFO L225 Difference]: With dead ends: 326 [2020-12-09 04:55:58,614 INFO L226 Difference]: Without dead ends: 172 [2020-12-09 04:55:58,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:58,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-12-09 04:55:58,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 170. [2020-12-09 04:55:58,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-12-09 04:55:58,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 248 transitions. [2020-12-09 04:55:58,623 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 248 transitions. Word has length 49 [2020-12-09 04:55:58,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:55:58,623 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 248 transitions. [2020-12-09 04:55:58,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:55:58,623 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 248 transitions. [2020-12-09 04:55:58,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-09 04:55:58,625 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:55:58,625 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 04:55:58,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-09 04:55:58,626 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:55:58,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:55:58,626 INFO L82 PathProgramCache]: Analyzing trace with hash -2105421168, now seen corresponding path program 1 times [2020-12-09 04:55:58,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:55:58,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434321310] [2020-12-09 04:55:58,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:55:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:58,658 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 04:55:58,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434321310] [2020-12-09 04:55:58,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:55:58,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:55:58,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050193544] [2020-12-09 04:55:58,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:55:58,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:55:58,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:55:58,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:58,660 INFO L87 Difference]: Start difference. First operand 170 states and 248 transitions. Second operand 3 states. [2020-12-09 04:55:58,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:55:58,749 INFO L93 Difference]: Finished difference Result 341 states and 498 transitions. [2020-12-09 04:55:58,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:55:58,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-12-09 04:55:58,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:55:58,750 INFO L225 Difference]: With dead ends: 341 [2020-12-09 04:55:58,750 INFO L226 Difference]: Without dead ends: 173 [2020-12-09 04:55:58,751 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:58,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-12-09 04:55:58,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 171. [2020-12-09 04:55:58,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-12-09 04:55:58,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 248 transitions. [2020-12-09 04:55:58,759 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 248 transitions. Word has length 50 [2020-12-09 04:55:58,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:55:58,759 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 248 transitions. [2020-12-09 04:55:58,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:55:58,759 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 248 transitions. [2020-12-09 04:55:58,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-09 04:55:58,761 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:55:58,761 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 04:55:58,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-09 04:55:58,762 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:55:58,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:55:58,762 INFO L82 PathProgramCache]: Analyzing trace with hash 303191742, now seen corresponding path program 1 times [2020-12-09 04:55:58,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:55:58,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145220788] [2020-12-09 04:55:58,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:55:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:58,802 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 04:55:58,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145220788] [2020-12-09 04:55:58,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:55:58,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:55:58,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222644261] [2020-12-09 04:55:58,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:55:58,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:55:58,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:55:58,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:58,804 INFO L87 Difference]: Start difference. First operand 171 states and 248 transitions. Second operand 3 states. [2020-12-09 04:55:58,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:55:58,917 INFO L93 Difference]: Finished difference Result 382 states and 565 transitions. [2020-12-09 04:55:58,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:55:58,917 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-12-09 04:55:58,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:55:58,919 INFO L225 Difference]: With dead ends: 382 [2020-12-09 04:55:58,919 INFO L226 Difference]: Without dead ends: 213 [2020-12-09 04:55:58,920 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:58,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-12-09 04:55:58,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 211. [2020-12-09 04:55:58,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-12-09 04:55:58,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 315 transitions. [2020-12-09 04:55:58,930 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 315 transitions. Word has length 63 [2020-12-09 04:55:58,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:55:58,930 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 315 transitions. [2020-12-09 04:55:58,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:55:58,931 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 315 transitions. [2020-12-09 04:55:58,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-09 04:55:58,931 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:55:58,932 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 04:55:58,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-09 04:55:58,932 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:55:58,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:55:58,932 INFO L82 PathProgramCache]: Analyzing trace with hash -2058212109, now seen corresponding path program 1 times [2020-12-09 04:55:58,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:55:58,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321113146] [2020-12-09 04:55:58,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:55:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:58,964 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 04:55:58,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321113146] [2020-12-09 04:55:58,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:55:58,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:55:58,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342528180] [2020-12-09 04:55:58,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:55:58,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:55:58,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:55:58,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:58,966 INFO L87 Difference]: Start difference. First operand 211 states and 315 transitions. Second operand 3 states. [2020-12-09 04:55:59,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:55:59,054 INFO L93 Difference]: Finished difference Result 452 states and 679 transitions. [2020-12-09 04:55:59,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:55:59,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-12-09 04:55:59,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:55:59,055 INFO L225 Difference]: With dead ends: 452 [2020-12-09 04:55:59,055 INFO L226 Difference]: Without dead ends: 243 [2020-12-09 04:55:59,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:59,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-12-09 04:55:59,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 236. [2020-12-09 04:55:59,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-12-09 04:55:59,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 351 transitions. [2020-12-09 04:55:59,063 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 351 transitions. Word has length 64 [2020-12-09 04:55:59,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:55:59,064 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 351 transitions. [2020-12-09 04:55:59,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:55:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 351 transitions. [2020-12-09 04:55:59,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-09 04:55:59,064 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:55:59,064 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 04:55:59,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-09 04:55:59,065 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:55:59,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:55:59,065 INFO L82 PathProgramCache]: Analyzing trace with hash 89297939, now seen corresponding path program 1 times [2020-12-09 04:55:59,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:55:59,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600294953] [2020-12-09 04:55:59,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:55:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:59,089 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 04:55:59,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600294953] [2020-12-09 04:55:59,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:55:59,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:55:59,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020041596] [2020-12-09 04:55:59,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:55:59,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:55:59,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:55:59,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:59,091 INFO L87 Difference]: Start difference. First operand 236 states and 351 transitions. Second operand 3 states. [2020-12-09 04:55:59,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:55:59,187 INFO L93 Difference]: Finished difference Result 473 states and 704 transitions. [2020-12-09 04:55:59,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:55:59,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-12-09 04:55:59,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:55:59,189 INFO L225 Difference]: With dead ends: 473 [2020-12-09 04:55:59,189 INFO L226 Difference]: Without dead ends: 239 [2020-12-09 04:55:59,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:59,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-12-09 04:55:59,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 237. [2020-12-09 04:55:59,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-12-09 04:55:59,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 351 transitions. [2020-12-09 04:55:59,200 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 351 transitions. Word has length 64 [2020-12-09 04:55:59,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:55:59,200 INFO L481 AbstractCegarLoop]: Abstraction has 237 states and 351 transitions. [2020-12-09 04:55:59,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:55:59,201 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 351 transitions. [2020-12-09 04:55:59,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-09 04:55:59,201 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:55:59,201 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 04:55:59,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-09 04:55:59,201 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:55:59,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:55:59,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1524131550, now seen corresponding path program 1 times [2020-12-09 04:55:59,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:55:59,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578518115] [2020-12-09 04:55:59,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:55:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:59,226 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 04:55:59,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578518115] [2020-12-09 04:55:59,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:55:59,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:55:59,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734081247] [2020-12-09 04:55:59,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:55:59,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:55:59,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:55:59,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:59,228 INFO L87 Difference]: Start difference. First operand 237 states and 351 transitions. Second operand 3 states. [2020-12-09 04:55:59,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:55:59,327 INFO L93 Difference]: Finished difference Result 479 states and 712 transitions. [2020-12-09 04:55:59,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:55:59,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-12-09 04:55:59,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:55:59,329 INFO L225 Difference]: With dead ends: 479 [2020-12-09 04:55:59,329 INFO L226 Difference]: Without dead ends: 244 [2020-12-09 04:55:59,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:59,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-12-09 04:55:59,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 237. [2020-12-09 04:55:59,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-12-09 04:55:59,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 348 transitions. [2020-12-09 04:55:59,337 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 348 transitions. Word has length 65 [2020-12-09 04:55:59,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:55:59,337 INFO L481 AbstractCegarLoop]: Abstraction has 237 states and 348 transitions. [2020-12-09 04:55:59,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:55:59,337 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 348 transitions. [2020-12-09 04:55:59,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-09 04:55:59,338 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:55:59,338 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 04:55:59,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-09 04:55:59,338 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:55:59,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:55:59,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1872544863, now seen corresponding path program 1 times [2020-12-09 04:55:59,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:55:59,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181654467] [2020-12-09 04:55:59,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:55:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:59,366 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 04:55:59,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181654467] [2020-12-09 04:55:59,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:55:59,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:55:59,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875964555] [2020-12-09 04:55:59,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:55:59,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:55:59,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:55:59,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:59,368 INFO L87 Difference]: Start difference. First operand 237 states and 348 transitions. Second operand 3 states. [2020-12-09 04:55:59,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:55:59,525 INFO L93 Difference]: Finished difference Result 517 states and 764 transitions. [2020-12-09 04:55:59,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:55:59,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-12-09 04:55:59,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:55:59,528 INFO L225 Difference]: With dead ends: 517 [2020-12-09 04:55:59,528 INFO L226 Difference]: Without dead ends: 282 [2020-12-09 04:55:59,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:59,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-12-09 04:55:59,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 278. [2020-12-09 04:55:59,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-12-09 04:55:59,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 413 transitions. [2020-12-09 04:55:59,541 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 413 transitions. Word has length 78 [2020-12-09 04:55:59,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:55:59,541 INFO L481 AbstractCegarLoop]: Abstraction has 278 states and 413 transitions. [2020-12-09 04:55:59,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:55:59,541 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 413 transitions. [2020-12-09 04:55:59,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-09 04:55:59,542 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:55:59,542 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 04:55:59,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-09 04:55:59,543 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:55:59,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:55:59,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1784170385, now seen corresponding path program 1 times [2020-12-09 04:55:59,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:55:59,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128064347] [2020-12-09 04:55:59,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:55:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:59,573 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 04:55:59,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128064347] [2020-12-09 04:55:59,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:55:59,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:55:59,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058621244] [2020-12-09 04:55:59,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:55:59,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:55:59,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:55:59,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:59,575 INFO L87 Difference]: Start difference. First operand 278 states and 413 transitions. Second operand 3 states. [2020-12-09 04:55:59,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:55:59,701 INFO L93 Difference]: Finished difference Result 570 states and 851 transitions. [2020-12-09 04:55:59,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:55:59,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-12-09 04:55:59,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:55:59,703 INFO L225 Difference]: With dead ends: 570 [2020-12-09 04:55:59,703 INFO L226 Difference]: Without dead ends: 292 [2020-12-09 04:55:59,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:59,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-12-09 04:55:59,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 288. [2020-12-09 04:55:59,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-12-09 04:55:59,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 432 transitions. [2020-12-09 04:55:59,718 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 432 transitions. Word has length 79 [2020-12-09 04:55:59,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:55:59,718 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 432 transitions. [2020-12-09 04:55:59,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:55:59,718 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 432 transitions. [2020-12-09 04:55:59,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-09 04:55:59,718 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:55:59,719 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 04:55:59,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-09 04:55:59,719 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:55:59,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:55:59,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1774109013, now seen corresponding path program 1 times [2020-12-09 04:55:59,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:55:59,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621163757] [2020-12-09 04:55:59,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:55:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:59,745 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-09 04:55:59,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621163757] [2020-12-09 04:55:59,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:55:59,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:55:59,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028496922] [2020-12-09 04:55:59,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:55:59,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:55:59,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:55:59,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:59,747 INFO L87 Difference]: Start difference. First operand 288 states and 432 transitions. Second operand 3 states. [2020-12-09 04:55:59,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:55:59,855 INFO L93 Difference]: Finished difference Result 607 states and 913 transitions. [2020-12-09 04:55:59,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:55:59,856 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2020-12-09 04:55:59,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:55:59,857 INFO L225 Difference]: With dead ends: 607 [2020-12-09 04:55:59,857 INFO L226 Difference]: Without dead ends: 321 [2020-12-09 04:55:59,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:59,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-12-09 04:55:59,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 311. [2020-12-09 04:55:59,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2020-12-09 04:55:59,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 462 transitions. [2020-12-09 04:55:59,868 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 462 transitions. Word has length 88 [2020-12-09 04:55:59,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:55:59,868 INFO L481 AbstractCegarLoop]: Abstraction has 311 states and 462 transitions. [2020-12-09 04:55:59,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:55:59,868 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 462 transitions. [2020-12-09 04:55:59,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-09 04:55:59,869 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:55:59,869 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 04:55:59,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-09 04:55:59,869 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:55:59,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:55:59,869 INFO L82 PathProgramCache]: Analyzing trace with hash -503124256, now seen corresponding path program 1 times [2020-12-09 04:55:59,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:55:59,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850011208] [2020-12-09 04:55:59,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:55:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:59,894 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-09 04:55:59,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850011208] [2020-12-09 04:55:59,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:55:59,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:55:59,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329498169] [2020-12-09 04:55:59,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:55:59,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:55:59,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:55:59,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:59,895 INFO L87 Difference]: Start difference. First operand 311 states and 462 transitions. Second operand 3 states. [2020-12-09 04:56:00,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:56:00,045 INFO L93 Difference]: Finished difference Result 630 states and 938 transitions. [2020-12-09 04:56:00,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:56:00,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2020-12-09 04:56:00,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:56:00,048 INFO L225 Difference]: With dead ends: 630 [2020-12-09 04:56:00,048 INFO L226 Difference]: Without dead ends: 321 [2020-12-09 04:56:00,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:56:00,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-12-09 04:56:00,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 311. [2020-12-09 04:56:00,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2020-12-09 04:56:00,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 457 transitions. [2020-12-09 04:56:00,066 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 457 transitions. Word has length 89 [2020-12-09 04:56:00,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:56:00,066 INFO L481 AbstractCegarLoop]: Abstraction has 311 states and 457 transitions. [2020-12-09 04:56:00,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:56:00,066 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 457 transitions. [2020-12-09 04:56:00,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-09 04:56:00,067 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:56:00,067 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 04:56:00,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-09 04:56:00,068 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:56:00,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:56:00,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1511627244, now seen corresponding path program 1 times [2020-12-09 04:56:00,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:56:00,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862928824] [2020-12-09 04:56:00,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:56:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:56:00,101 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-12-09 04:56:00,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862928824] [2020-12-09 04:56:00,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:56:00,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:56:00,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668682962] [2020-12-09 04:56:00,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:56:00,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:56:00,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:56:00,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:56:00,103 INFO L87 Difference]: Start difference. First operand 311 states and 457 transitions. Second operand 3 states. [2020-12-09 04:56:00,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:56:00,207 INFO L93 Difference]: Finished difference Result 644 states and 947 transitions. [2020-12-09 04:56:00,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:56:00,208 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2020-12-09 04:56:00,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:56:00,210 INFO L225 Difference]: With dead ends: 644 [2020-12-09 04:56:00,210 INFO L226 Difference]: Without dead ends: 335 [2020-12-09 04:56:00,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:56:00,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-12-09 04:56:00,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 332. [2020-12-09 04:56:00,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-12-09 04:56:00,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 482 transitions. [2020-12-09 04:56:00,227 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 482 transitions. Word has length 107 [2020-12-09 04:56:00,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:56:00,227 INFO L481 AbstractCegarLoop]: Abstraction has 332 states and 482 transitions. [2020-12-09 04:56:00,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:56:00,227 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 482 transitions. [2020-12-09 04:56:00,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-09 04:56:00,228 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:56:00,229 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 04:56:00,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-09 04:56:00,229 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:56:00,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:56:00,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1311416823, now seen corresponding path program 1 times [2020-12-09 04:56:00,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:56:00,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694279315] [2020-12-09 04:56:00,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:56:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:56:00,266 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-12-09 04:56:00,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694279315] [2020-12-09 04:56:00,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:56:00,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:56:00,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223173865] [2020-12-09 04:56:00,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:56:00,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:56:00,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:56:00,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:56:00,268 INFO L87 Difference]: Start difference. First operand 332 states and 482 transitions. Second operand 3 states. [2020-12-09 04:56:00,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:56:00,366 INFO L93 Difference]: Finished difference Result 665 states and 966 transitions. [2020-12-09 04:56:00,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:56:00,367 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-12-09 04:56:00,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:56:00,368 INFO L225 Difference]: With dead ends: 665 [2020-12-09 04:56:00,368 INFO L226 Difference]: Without dead ends: 335 [2020-12-09 04:56:00,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:56:00,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-12-09 04:56:00,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 332. [2020-12-09 04:56:00,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-12-09 04:56:00,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 476 transitions. [2020-12-09 04:56:00,379 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 476 transitions. Word has length 108 [2020-12-09 04:56:00,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:56:00,379 INFO L481 AbstractCegarLoop]: Abstraction has 332 states and 476 transitions. [2020-12-09 04:56:00,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:56:00,379 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 476 transitions. [2020-12-09 04:56:00,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-09 04:56:00,380 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:56:00,380 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 04:56:00,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-09 04:56:00,381 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:56:00,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:56:00,381 INFO L82 PathProgramCache]: Analyzing trace with hash 207658618, now seen corresponding path program 1 times [2020-12-09 04:56:00,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:56:00,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611619931] [2020-12-09 04:56:00,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:56:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:56:00,414 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-09 04:56:00,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611619931] [2020-12-09 04:56:00,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:56:00,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:56:00,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2201198] [2020-12-09 04:56:00,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:56:00,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:56:00,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:56:00,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:56:00,415 INFO L87 Difference]: Start difference. First operand 332 states and 476 transitions. Second operand 3 states. [2020-12-09 04:56:00,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:56:00,566 INFO L93 Difference]: Finished difference Result 703 states and 1009 transitions. [2020-12-09 04:56:00,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:56:00,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-12-09 04:56:00,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:56:00,568 INFO L225 Difference]: With dead ends: 703 [2020-12-09 04:56:00,568 INFO L226 Difference]: Without dead ends: 373 [2020-12-09 04:56:00,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:56:00,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-12-09 04:56:00,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 370. [2020-12-09 04:56:00,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2020-12-09 04:56:00,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 530 transitions. [2020-12-09 04:56:00,585 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 530 transitions. Word has length 116 [2020-12-09 04:56:00,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:56:00,585 INFO L481 AbstractCegarLoop]: Abstraction has 370 states and 530 transitions. [2020-12-09 04:56:00,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:56:00,585 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 530 transitions. [2020-12-09 04:56:00,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-09 04:56:00,586 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:56:00,587 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 04:56:00,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-09 04:56:00,587 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:56:00,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:56:00,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1966193174, now seen corresponding path program 1 times [2020-12-09 04:56:00,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:56:00,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104066600] [2020-12-09 04:56:00,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:56:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:56:00,626 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-09 04:56:00,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104066600] [2020-12-09 04:56:00,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:56:00,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:56:00,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400774333] [2020-12-09 04:56:00,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:56:00,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:56:00,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:56:00,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:56:00,628 INFO L87 Difference]: Start difference. First operand 370 states and 530 transitions. Second operand 3 states. [2020-12-09 04:56:00,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:56:00,752 INFO L93 Difference]: Finished difference Result 741 states and 1061 transitions. [2020-12-09 04:56:00,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:56:00,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-12-09 04:56:00,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:56:00,755 INFO L225 Difference]: With dead ends: 741 [2020-12-09 04:56:00,755 INFO L226 Difference]: Without dead ends: 371 [2020-12-09 04:56:00,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:56:00,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-12-09 04:56:00,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 368. [2020-12-09 04:56:00,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2020-12-09 04:56:00,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 525 transitions. [2020-12-09 04:56:00,766 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 525 transitions. Word has length 117 [2020-12-09 04:56:00,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:56:00,766 INFO L481 AbstractCegarLoop]: Abstraction has 368 states and 525 transitions. [2020-12-09 04:56:00,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:56:00,767 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 525 transitions. [2020-12-09 04:56:00,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-09 04:56:00,767 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:56:00,768 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 04:56:00,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-09 04:56:00,768 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:56:00,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:56:00,768 INFO L82 PathProgramCache]: Analyzing trace with hash 515012851, now seen corresponding path program 1 times [2020-12-09 04:56:00,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:56:00,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818398064] [2020-12-09 04:56:00,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:56:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:56:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-12-09 04:56:00,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818398064] [2020-12-09 04:56:00,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:56:00,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:56:00,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467851236] [2020-12-09 04:56:00,805 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:56:00,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:56:00,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:56:00,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:56:00,806 INFO L87 Difference]: Start difference. First operand 368 states and 525 transitions. Second operand 3 states. [2020-12-09 04:56:00,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:56:00,902 INFO L93 Difference]: Finished difference Result 755 states and 1077 transitions. [2020-12-09 04:56:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:56:00,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-12-09 04:56:00,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:56:00,905 INFO L225 Difference]: With dead ends: 755 [2020-12-09 04:56:00,905 INFO L226 Difference]: Without dead ends: 389 [2020-12-09 04:56:00,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:56:00,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2020-12-09 04:56:00,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 387. [2020-12-09 04:56:00,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-12-09 04:56:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 544 transitions. [2020-12-09 04:56:00,917 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 544 transitions. Word has length 124 [2020-12-09 04:56:00,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:56:00,917 INFO L481 AbstractCegarLoop]: Abstraction has 387 states and 544 transitions. [2020-12-09 04:56:00,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:56:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 544 transitions. [2020-12-09 04:56:00,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-12-09 04:56:00,918 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:56:00,919 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 04:56:00,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-09 04:56:00,919 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:56:00,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:56:00,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1310125630, now seen corresponding path program 1 times [2020-12-09 04:56:00,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:56:00,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503335788] [2020-12-09 04:56:00,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:56:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:56:00,944 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-12-09 04:56:00,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503335788] [2020-12-09 04:56:00,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:56:00,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:56:00,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166399879] [2020-12-09 04:56:00,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:56:00,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:56:00,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:56:00,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:56:00,946 INFO L87 Difference]: Start difference. First operand 387 states and 544 transitions. Second operand 3 states. [2020-12-09 04:56:01,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:56:01,086 INFO L93 Difference]: Finished difference Result 774 states and 1088 transitions. [2020-12-09 04:56:01,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:56:01,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-12-09 04:56:01,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:56:01,089 INFO L225 Difference]: With dead ends: 774 [2020-12-09 04:56:01,089 INFO L226 Difference]: Without dead ends: 389 [2020-12-09 04:56:01,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:56:01,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2020-12-09 04:56:01,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 387. [2020-12-09 04:56:01,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-12-09 04:56:01,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 536 transitions. [2020-12-09 04:56:01,105 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 536 transitions. Word has length 125 [2020-12-09 04:56:01,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:56:01,105 INFO L481 AbstractCegarLoop]: Abstraction has 387 states and 536 transitions. [2020-12-09 04:56:01,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:56:01,105 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 536 transitions. [2020-12-09 04:56:01,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-09 04:56:01,106 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:56:01,106 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 04:56:01,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-09 04:56:01,106 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:56:01,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:56:01,107 INFO L82 PathProgramCache]: Analyzing trace with hash -880034383, now seen corresponding path program 1 times [2020-12-09 04:56:01,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:56:01,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782187536] [2020-12-09 04:56:01,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:56:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:56:01,157 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-12-09 04:56:01,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782187536] [2020-12-09 04:56:01,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904117067] [2020-12-09 04:56:01,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 04:56:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:56:01,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 04:56:01,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:56:01,399 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-12-09 04:56:01,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:56:01,500 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-12-09 04:56:01,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2038135401] [2020-12-09 04:56:01,522 INFO L159 IcfgInterpreter]: Started Sifa with 53 locations of interest [2020-12-09 04:56:01,522 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 04:56:01,526 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 04:56:01,530 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 04:56:01,531 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 04:56:02,187 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-12-09 04:56:04,876 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 04:56:05,276 WARN L197 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 144 [2020-12-09 04:56:07,026 WARN L197 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 160 DAG size of output: 150 [2020-12-09 04:56:07,349 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 119 [2020-12-09 04:56:07,709 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2020-12-09 04:56:08,058 WARN L197 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 125 [2020-12-09 04:56:08,424 WARN L197 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 128 [2020-12-09 04:56:08,827 WARN L197 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2020-12-09 04:56:09,216 WARN L197 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 134 [2020-12-09 04:56:09,634 WARN L197 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 137 [2020-12-09 04:56:10,072 WARN L197 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 140 [2020-12-09 04:56:10,518 WARN L197 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 143 [2020-12-09 04:56:10,984 WARN L197 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 146 [2020-12-09 04:56:11,405 WARN L197 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 123 [2020-12-09 04:56:11,748 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 126 [2020-12-09 04:56:12,121 WARN L197 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 125 [2020-12-09 04:56:12,505 WARN L197 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 127 [2020-12-09 04:56:12,997 WARN L197 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 148 [2020-12-09 04:56:13,505 WARN L197 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 151 [2020-12-09 04:56:14,036 WARN L197 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 154 [2020-12-09 04:56:14,545 WARN L197 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 124 [2020-12-09 04:56:14,909 WARN L197 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 126 [2020-12-09 04:56:15,448 WARN L197 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 157 [2020-12-09 04:56:16,005 WARN L197 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 160 [2020-12-09 04:56:16,526 WARN L197 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 124 [2020-12-09 04:56:16,747 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-12-09 04:56:17,352 WARN L197 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 163 [2020-12-09 04:56:17,953 WARN L197 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 166 [2020-12-09 04:56:18,506 WARN L197 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 124 [2020-12-09 04:56:18,790 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-12-09 04:56:19,223 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-12-09 04:56:19,474 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-12-09 04:56:20,114 WARN L197 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 169 [2020-12-09 04:56:20,760 WARN L197 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 172 [2020-12-09 04:56:21,353 WARN L197 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 124 [2020-12-09 04:56:21,942 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 120 [2020-12-09 04:56:22,197 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-12-09 04:56:22,867 WARN L197 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 175 [2020-12-09 04:56:23,536 WARN L197 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 178 [2020-12-09 04:56:24,235 WARN L197 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 181 [2020-12-09 04:56:24,951 WARN L197 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 184 [2020-12-09 04:56:25,302 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-12-09 04:56:25,821 WARN L197 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 126 [2020-12-09 04:56:26,323 WARN L197 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 126 [2020-12-09 04:56:26,810 WARN L197 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 128 [2020-12-09 04:56:27,335 WARN L197 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 132 [2020-12-09 04:56:27,856 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 135 [2020-12-09 04:56:28,328 WARN L197 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 137 [2020-12-09 04:56:28,854 WARN L197 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 141 [2020-12-09 04:56:28,856 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 04:56:28,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 04:56:28,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2020-12-09 04:56:28,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254282911] [2020-12-09 04:56:28,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 04:56:28,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:56:28,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 04:56:28,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=619, Invalid=2243, Unknown=0, NotChecked=0, Total=2862 [2020-12-09 04:56:28,858 INFO L87 Difference]: Start difference. First operand 387 states and 536 transitions. Second operand 6 states. [2020-12-09 04:56:29,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:56:29,265 INFO L93 Difference]: Finished difference Result 1506 states and 2083 transitions. [2020-12-09 04:56:29,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 04:56:29,265 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2020-12-09 04:56:29,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:56:29,270 INFO L225 Difference]: With dead ends: 1506 [2020-12-09 04:56:29,270 INFO L226 Difference]: Without dead ends: 1089 [2020-12-09 04:56:29,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 367 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 24.0s TimeCoverageRelationStatistics Valid=644, Invalid=2662, Unknown=0, NotChecked=0, Total=3306 [2020-12-09 04:56:29,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2020-12-09 04:56:29,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 453. [2020-12-09 04:56:29,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2020-12-09 04:56:29,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 630 transitions. [2020-12-09 04:56:29,291 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 630 transitions. Word has length 138 [2020-12-09 04:56:29,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:56:29,291 INFO L481 AbstractCegarLoop]: Abstraction has 453 states and 630 transitions. [2020-12-09 04:56:29,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 04:56:29,291 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 630 transitions. [2020-12-09 04:56:29,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-09 04:56:29,292 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:56:29,292 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 04:56:29,493 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2020-12-09 04:56:29,493 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:56:29,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:56:29,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1230432786, now seen corresponding path program 1 times [2020-12-09 04:56:29,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:56:29,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843548628] [2020-12-09 04:56:29,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:56:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:56:29,549 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-12-09 04:56:29,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843548628] [2020-12-09 04:56:29,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295630648] [2020-12-09 04:56:29,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 04:56:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:56:29,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 04:56:29,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:56:29,720 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-12-09 04:56:29,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:56:29,799 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-12-09 04:56:29,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2034140044] [2020-12-09 04:56:29,802 INFO L159 IcfgInterpreter]: Started Sifa with 54 locations of interest [2020-12-09 04:56:29,803 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 04:56:29,803 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 04:56:29,803 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 04:56:29,803 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 04:56:32,364 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 04:56:32,770 WARN L197 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 147 [2020-12-09 04:56:34,620 WARN L197 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 160 DAG size of output: 150 [2020-12-09 04:56:34,959 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 119 [2020-12-09 04:56:35,308 WARN L197 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2020-12-09 04:56:35,670 WARN L197 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 125 [2020-12-09 04:56:36,064 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 128 [2020-12-09 04:56:36,465 WARN L197 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2020-12-09 04:56:36,878 WARN L197 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 134 [2020-12-09 04:56:37,302 WARN L197 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 137 [2020-12-09 04:56:37,744 WARN L197 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 140 [2020-12-09 04:56:38,204 WARN L197 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 143 [2020-12-09 04:56:38,682 WARN L197 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 146 [2020-12-09 04:56:39,133 WARN L197 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 123 [2020-12-09 04:56:39,493 WARN L197 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 126 [2020-12-09 04:56:39,880 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 125 [2020-12-09 04:56:40,306 WARN L197 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 127 [2020-12-09 04:56:40,807 WARN L197 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 148 [2020-12-09 04:56:41,333 WARN L197 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 151 [2020-12-09 04:56:41,890 WARN L197 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 154 [2020-12-09 04:56:42,370 WARN L197 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 124 [2020-12-09 04:56:42,767 WARN L197 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 126 [2020-12-09 04:56:43,333 WARN L197 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 157 [2020-12-09 04:56:43,904 WARN L197 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 160 [2020-12-09 04:56:44,419 WARN L197 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 124 [2020-12-09 04:56:44,653 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-12-09 04:56:45,249 WARN L197 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 163 [2020-12-09 04:56:45,890 WARN L197 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 166 [2020-12-09 04:56:46,443 WARN L197 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 124 [2020-12-09 04:56:46,759 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-12-09 04:56:47,223 WARN L197 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-12-09 04:56:47,480 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-12-09 04:56:48,111 WARN L197 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 169 [2020-12-09 04:56:48,811 WARN L197 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 172 [2020-12-09 04:56:49,416 WARN L197 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 124 [2020-12-09 04:56:50,081 WARN L197 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 120 [2020-12-09 04:56:50,344 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-12-09 04:56:51,050 WARN L197 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 175 [2020-12-09 04:56:51,765 WARN L197 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 178 [2020-12-09 04:56:52,509 WARN L197 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 181 [2020-12-09 04:56:53,252 WARN L197 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 184 [2020-12-09 04:56:53,610 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-12-09 04:56:54,117 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 126 [2020-12-09 04:56:54,611 WARN L197 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 124 [2020-12-09 04:56:55,122 WARN L197 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 126 [2020-12-09 04:56:55,657 WARN L197 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 129 [2020-12-09 04:56:56,184 WARN L197 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 132 [2020-12-09 04:56:56,670 WARN L197 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 134 [2020-12-09 04:56:57,222 WARN L197 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 138 [2020-12-09 04:56:57,857 WARN L197 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2020-12-09 04:56:58,541 WARN L197 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 144 [2020-12-09 04:56:58,543 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 04:56:58,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 04:56:58,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2020-12-09 04:56:58,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938093950] [2020-12-09 04:56:58,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 04:56:58,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:56:58,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 04:56:58,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=626, Invalid=2454, Unknown=0, NotChecked=0, Total=3080 [2020-12-09 04:56:58,545 INFO L87 Difference]: Start difference. First operand 453 states and 630 transitions. Second operand 6 states. [2020-12-09 04:56:59,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:56:59,157 INFO L93 Difference]: Finished difference Result 1737 states and 2377 transitions. [2020-12-09 04:56:59,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-09 04:56:59,157 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2020-12-09 04:56:59,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:56:59,162 INFO L225 Difference]: With dead ends: 1737 [2020-12-09 04:56:59,162 INFO L226 Difference]: Without dead ends: 1286 [2020-12-09 04:56:59,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 374 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 945 ImplicationChecksByTransitivity, 26.2s TimeCoverageRelationStatistics Valid=651, Invalid=2889, Unknown=0, NotChecked=0, Total=3540 [2020-12-09 04:56:59,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2020-12-09 04:56:59,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 503. [2020-12-09 04:56:59,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2020-12-09 04:56:59,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 683 transitions. [2020-12-09 04:56:59,186 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 683 transitions. Word has length 141 [2020-12-09 04:56:59,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:56:59,186 INFO L481 AbstractCegarLoop]: Abstraction has 503 states and 683 transitions. [2020-12-09 04:56:59,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 04:56:59,186 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 683 transitions. [2020-12-09 04:56:59,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-12-09 04:56:59,187 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:56:59,187 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 04:56:59,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 04:56:59,388 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:56:59,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:56:59,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1910979782, now seen corresponding path program 1 times [2020-12-09 04:56:59,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:56:59,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386639710] [2020-12-09 04:56:59,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:56:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:56:59,475 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 102 proven. 68 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-09 04:56:59,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386639710] [2020-12-09 04:56:59,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721340090] [2020-12-09 04:56:59,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/bin/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 04:56:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:56:59,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 04:56:59,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:56:59,682 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 85 proven. 85 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-09 04:56:59,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:56:59,784 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 97 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-12-09 04:56:59,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1538818308] [2020-12-09 04:56:59,786 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2020-12-09 04:56:59,786 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 04:56:59,787 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 04:56:59,787 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 04:56:59,787 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 04:57:01,663 FATAL L? ?]: Ignoring exception! java.util.ConcurrentModificationException at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-09 04:57:01,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 04:57:01,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 4] total 11 [2020-12-09 04:57:01,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596255193] [2020-12-09 04:57:01,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-09 04:57:01,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:57:01,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-09 04:57:01,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-12-09 04:57:01,665 INFO L87 Difference]: Start difference. First operand 503 states and 683 transitions. Second operand 11 states. [2020-12-09 04:57:03,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:57:03,227 INFO L93 Difference]: Finished difference Result 2244 states and 2994 transitions. [2020-12-09 04:57:03,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-09 04:57:03,228 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 150 [2020-12-09 04:57:03,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:57:03,231 INFO L225 Difference]: With dead ends: 2244 [2020-12-09 04:57:03,231 INFO L226 Difference]: Without dead ends: 889 [2020-12-09 04:57:03,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=219, Invalid=537, Unknown=0, NotChecked=0, Total=756 [2020-12-09 04:57:03,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2020-12-09 04:57:03,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 539. [2020-12-09 04:57:03,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2020-12-09 04:57:03,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 710 transitions. [2020-12-09 04:57:03,251 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 710 transitions. Word has length 150 [2020-12-09 04:57:03,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:57:03,251 INFO L481 AbstractCegarLoop]: Abstraction has 539 states and 710 transitions. [2020-12-09 04:57:03,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-09 04:57:03,251 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 710 transitions. [2020-12-09 04:57:03,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-12-09 04:57:03,252 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:57:03,252 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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] [2020-12-09 04:57:03,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable411 [2020-12-09 04:57:03,453 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:57:03,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:57:03,454 INFO L82 PathProgramCache]: Analyzing trace with hash -250887758, now seen corresponding path program 1 times [2020-12-09 04:57:03,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:57:03,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364809795] [2020-12-09 04:57:03,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:57:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:57:03,521 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2020-12-09 04:57:03,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364809795] [2020-12-09 04:57:03,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:57:03,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:57:03,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492919362] [2020-12-09 04:57:03,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:57:03,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:57:03,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:57:03,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:57:03,523 INFO L87 Difference]: Start difference. First operand 539 states and 710 transitions. Second operand 3 states. [2020-12-09 04:57:03,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:57:03,636 INFO L93 Difference]: Finished difference Result 1093 states and 1437 transitions. [2020-12-09 04:57:03,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:57:03,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-12-09 04:57:03,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:57:03,638 INFO L225 Difference]: With dead ends: 1093 [2020-12-09 04:57:03,638 INFO L226 Difference]: Without dead ends: 544 [2020-12-09 04:57:03,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:57:03,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2020-12-09 04:57:03,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 540. [2020-12-09 04:57:03,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2020-12-09 04:57:03,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 702 transitions. [2020-12-09 04:57:03,657 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 702 transitions. Word has length 185 [2020-12-09 04:57:03,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:57:03,657 INFO L481 AbstractCegarLoop]: Abstraction has 540 states and 702 transitions. [2020-12-09 04:57:03,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:57:03,657 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 702 transitions. [2020-12-09 04:57:03,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-12-09 04:57:03,658 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:57:03,658 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:57:03,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable549 [2020-12-09 04:57:03,659 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:57:03,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:57:03,659 INFO L82 PathProgramCache]: Analyzing trace with hash 458430830, now seen corresponding path program 1 times [2020-12-09 04:57:03,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:57:03,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367762459] [2020-12-09 04:57:03,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:57:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:57:03,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1119 backedges. 676 proven. 0 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2020-12-09 04:57:03,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367762459] [2020-12-09 04:57:03,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:57:03,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 04:57:03,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858853511] [2020-12-09 04:57:03,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:57:03,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:57:03,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:57:03,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:57:03,748 INFO L87 Difference]: Start difference. First operand 540 states and 702 transitions. Second operand 3 states. [2020-12-09 04:57:03,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:57:03,862 INFO L93 Difference]: Finished difference Result 1112 states and 1441 transitions. [2020-12-09 04:57:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:57:03,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 312 [2020-12-09 04:57:03,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:57:03,865 INFO L225 Difference]: With dead ends: 1112 [2020-12-09 04:57:03,865 INFO L226 Difference]: Without dead ends: 574 [2020-12-09 04:57:03,865 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:57:03,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2020-12-09 04:57:03,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 572. [2020-12-09 04:57:03,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 572 states. [2020-12-09 04:57:03,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 737 transitions. [2020-12-09 04:57:03,885 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 737 transitions. Word has length 312 [2020-12-09 04:57:03,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:57:03,886 INFO L481 AbstractCegarLoop]: Abstraction has 572 states and 737 transitions. [2020-12-09 04:57:03,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:57:03,886 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 737 transitions. [2020-12-09 04:57:03,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-12-09 04:57:03,887 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:57:03,887 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:57:03,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable550 [2020-12-09 04:57:03,888 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:57:03,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:57:03,888 INFO L82 PathProgramCache]: Analyzing trace with hash -526814651, now seen corresponding path program 1 times [2020-12-09 04:57:03,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:57:03,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428077460] [2020-12-09 04:57:03,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:57:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:57:03,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1369 backedges. 797 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2020-12-09 04:57:03,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428077460] [2020-12-09 04:57:03,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:57:03,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 04:57:03,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627991689] [2020-12-09 04:57:03,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:57:03,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:57:03,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:57:03,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:57:03,986 INFO L87 Difference]: Start difference. First operand 572 states and 737 transitions. Second operand 3 states. [2020-12-09 04:57:04,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:57:04,140 INFO L93 Difference]: Finished difference Result 1141 states and 1469 transitions. [2020-12-09 04:57:04,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:57:04,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 342 [2020-12-09 04:57:04,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:57:04,144 INFO L225 Difference]: With dead ends: 1141 [2020-12-09 04:57:04,144 INFO L226 Difference]: Without dead ends: 571 [2020-12-09 04:57:04,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:57:04,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2020-12-09 04:57:04,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 569. [2020-12-09 04:57:04,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 569 states. [2020-12-09 04:57:04,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 728 transitions. [2020-12-09 04:57:04,173 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 728 transitions. Word has length 342 [2020-12-09 04:57:04,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:57:04,173 INFO L481 AbstractCegarLoop]: Abstraction has 569 states and 728 transitions. [2020-12-09 04:57:04,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:57:04,174 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 728 transitions. [2020-12-09 04:57:04,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2020-12-09 04:57:04,176 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:57:04,176 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:57:04,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable551 [2020-12-09 04:57:04,176 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:57:04,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:57:04,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1259440535, now seen corresponding path program 1 times [2020-12-09 04:57:04,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:57:04,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359649938] [2020-12-09 04:57:04,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:57:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:57:04,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 442 proven. 322 refuted. 0 times theorem prover too weak. 889 trivial. 0 not checked. [2020-12-09 04:57:04,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359649938] [2020-12-09 04:57:04,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799305985] [2020-12-09 04:57:04,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/bin/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 04:57:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:57:04,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 04:57:04,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:57:05,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 353 proven. 8 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked. [2020-12-09 04:57:05,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:57:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 353 proven. 8 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked. [2020-12-09 04:57:05,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1350721157] [2020-12-09 04:57:05,337 INFO L159 IcfgInterpreter]: Started Sifa with 83 locations of interest [2020-12-09 04:57:05,338 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 04:57:05,338 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 04:57:05,338 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 04:57:05,338 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 04:57:10,005 FATAL L? ?]: Ignoring exception! java.util.ConcurrentModificationException at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-09 04:57:10,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 04:57:10,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 11 [2020-12-09 04:57:10,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021040220] [2020-12-09 04:57:10,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-09 04:57:10,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:57:10,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-09 04:57:10,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-12-09 04:57:10,007 INFO L87 Difference]: Start difference. First operand 569 states and 728 transitions. Second operand 11 states. [2020-12-09 04:57:11,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:57:11,233 INFO L93 Difference]: Finished difference Result 2362 states and 2992 transitions. [2020-12-09 04:57:11,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-09 04:57:11,234 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 374 [2020-12-09 04:57:11,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:57:11,234 INFO L225 Difference]: With dead ends: 2362 [2020-12-09 04:57:11,234 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 04:57:11,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 779 GetRequests, 757 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=372, Unknown=0, NotChecked=0, Total=552 [2020-12-09 04:57:11,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 04:57:11,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 04:57:11,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 04:57:11,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 04:57:11,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 374 [2020-12-09 04:57:11,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:57:11,236 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 04:57:11,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-09 04:57:11,237 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 04:57:11,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 04:57:11,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable552,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 04:57:11,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 04:57:11,892 WARN L197 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 205 [2020-12-09 04:57:12,082 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 150 [2020-12-09 04:57:12,369 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 205 [2020-12-09 04:57:12,765 WARN L197 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 204 [2020-12-09 04:57:13,069 WARN L197 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 205 [2020-12-09 04:57:13,305 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 31 [2020-12-09 04:57:13,557 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 56 [2020-12-09 04:57:13,837 WARN L197 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 55 [2020-12-09 04:57:15,984 WARN L197 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 194 DAG size of output: 88 [2020-12-09 04:57:16,132 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 24 [2020-12-09 04:57:16,265 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 53 [2020-12-09 04:57:16,401 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 52 [2020-12-09 04:57:16,601 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 31 [2020-12-09 04:57:17,533 WARN L197 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 86 [2020-12-09 04:57:19,682 WARN L197 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 194 DAG size of output: 88 [2020-12-09 04:57:19,951 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 55 [2020-12-09 04:57:20,366 WARN L197 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 61 [2020-12-09 04:57:20,524 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 53 [2020-12-09 04:57:20,755 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 31 [2020-12-09 04:57:21,062 WARN L197 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 55 [2020-12-09 04:57:21,334 WARN L197 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 29 [2020-12-09 04:57:21,440 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 44 [2020-12-09 04:57:23,714 WARN L197 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 193 DAG size of output: 87 [2020-12-09 04:57:23,952 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 51 [2020-12-09 04:57:26,150 WARN L197 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 194 DAG size of output: 88 [2020-12-09 04:57:26,406 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 30 [2020-12-09 04:57:26,408 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 262) no Hoare annotation was computed. [2020-12-09 04:57:26,409 INFO L258 CegarLoopResult]: At program point L135(lines 128 622) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8497 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 (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse13 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse15 (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (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 .cse14 .cse15) (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))))) [2020-12-09 04:57:26,409 INFO L262 CegarLoopResult]: For program point L631(lines 631 659) no Hoare annotation was computed. [2020-12-09 04:57:26,409 INFO L262 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2020-12-09 04:57:26,409 INFO L262 CegarLoopResult]: For program point L632(lines 632 656) no Hoare annotation was computed. [2020-12-09 04:57:26,409 INFO L262 CegarLoopResult]: For program point L500-2(lines 211 592) no Hoare annotation was computed. [2020-12-09 04:57:26,409 INFO L258 CegarLoopResult]: At program point L203(lines 203 597) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (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 (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) [2020-12-09 04:57:26,409 INFO L262 CegarLoopResult]: For program point L170(lines 170 608) no Hoare annotation was computed. [2020-12-09 04:57:26,409 INFO L262 CegarLoopResult]: For program point L137(lines 137 619) no Hoare annotation was computed. [2020-12-09 04:57:26,409 INFO L258 CegarLoopResult]: At program point L104(lines 104 630) the Hoare annotation is: (let ((.cse17 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (.cse14 (= (div ULTIMATE.start_ssl3_accept_~s__version~0 256) 8195)) (.cse16 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse15 (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse22 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse23 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse24 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse21 (not .cse16)) (.cse3 (or .cse14 .cse16)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not .cse17)) (.cse2 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse18 (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)) (.cse12 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse25 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse20 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse10 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse9 .cse10 .cse11) (let ((.cse13 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse12 .cse9 .cse10 .cse11 (or .cse13 .cse14) (or .cse13 .cse15))) (and .cse16 .cse17) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse15 .cse18 .cse6 .cse7 .cse8 .cse19 .cse20 .cse9 .cse10 .cse11 .cse21) (and .cse0 .cse22 (not (= 8195 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) .cse1 .cse2 .cse4 .cse5 .cse6 .cse18 .cse7 .cse23 .cse12 .cse19 .cse24 .cse25 .cse20 .cse9 .cse10 .cse11) (and .cse0 .cse22 .cse1 .cse2 .cse4 .cse5 .cse6 .cse18 .cse7 .cse23 .cse19 .cse24 .cse25 .cse20 .cse9 .cse10 .cse11 .cse21) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse12 .cse25 .cse9 .cse10 .cse11 (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse18 .cse7 .cse8 .cse12 .cse19 .cse25 .cse20 .cse9 .cse10 .cse11)))) [2020-12-09 04:57:26,409 INFO L262 CegarLoopResult]: For program point L633(lines 633 642) no Hoare annotation was computed. [2020-12-09 04:57:26,409 INFO L262 CegarLoopResult]: For program point L633-2(lines 632 654) no Hoare annotation was computed. [2020-12-09 04:57:26,409 INFO L262 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-12-09 04:57:26,409 INFO L258 CegarLoopResult]: At program point L204(lines 200 598) the Hoare annotation is: (let ((.cse0 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse2 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and (not (= 8195 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-09 04:57:26,409 INFO L262 CegarLoopResult]: For program point L304-2(lines 211 592) no Hoare annotation was computed. [2020-12-09 04:57:26,409 INFO L262 CegarLoopResult]: For program point L635(lines 635 639) no Hoare annotation was computed. [2020-12-09 04:57:26,409 INFO L262 CegarLoopResult]: For program point L173(lines 173 607) no Hoare annotation was computed. [2020-12-09 04:57:26,410 INFO L262 CegarLoopResult]: For program point L140(lines 140 618) no Hoare annotation was computed. [2020-12-09 04:57:26,410 INFO L262 CegarLoopResult]: For program point L107(lines 107 629) no Hoare annotation was computed. [2020-12-09 04:57:26,410 INFO L262 CegarLoopResult]: For program point L339-2(lines 211 592) no Hoare annotation was computed. [2020-12-09 04:57:26,410 INFO L258 CegarLoopResult]: At program point L174(lines 170 608) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse1 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 (not (= 8195 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-09 04:57:26,410 INFO L258 CegarLoopResult]: At program point L141(lines 137 619) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse8 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse11 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13))) [2020-12-09 04:57:26,410 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 262) no Hoare annotation was computed. [2020-12-09 04:57:26,410 INFO L262 CegarLoopResult]: For program point L439(lines 439 451) no Hoare annotation was computed. [2020-12-09 04:57:26,410 INFO L258 CegarLoopResult]: At program point L406(lines 397 417) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (or (= (div ULTIMATE.start_ssl3_accept_~s__version~0 256) 8195) (= ULTIMATE.start_ssl3_accept_~s__hit~0 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)) (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-12-09 04:57:26,410 INFO L262 CegarLoopResult]: For program point L439-2(lines 439 451) no Hoare annotation was computed. [2020-12-09 04:57:26,410 INFO L262 CegarLoopResult]: For program point L176(lines 176 606) no Hoare annotation was computed. [2020-12-09 04:57:26,410 INFO L262 CegarLoopResult]: For program point L143(lines 143 617) no Hoare annotation was computed. [2020-12-09 04:57:26,410 INFO L262 CegarLoopResult]: For program point L110(lines 110 628) no Hoare annotation was computed. [2020-12-09 04:57:26,410 INFO L262 CegarLoopResult]: For program point L541(lines 541 546) no Hoare annotation was computed. [2020-12-09 04:57:26,410 INFO L262 CegarLoopResult]: For program point L442(lines 442 447) no Hoare annotation was computed. [2020-12-09 04:57:26,410 INFO L262 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-12-09 04:57:26,410 INFO L262 CegarLoopResult]: For program point L244(lines 244 249) no Hoare annotation was computed. [2020-12-09 04:57:26,410 INFO L262 CegarLoopResult]: For program point L179(lines 179 605) no Hoare annotation was computed. [2020-12-09 04:57:26,410 INFO L262 CegarLoopResult]: For program point L146(lines 146 616) no Hoare annotation was computed. [2020-12-09 04:57:26,410 INFO L262 CegarLoopResult]: For program point L113(lines 113 627) no Hoare annotation was computed. [2020-12-09 04:57:26,411 INFO L258 CegarLoopResult]: At program point L180(lines 176 606) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse1 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8195 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-09 04:57:26,411 INFO L258 CegarLoopResult]: At program point L147(lines 143 617) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (or (= (div ULTIMATE.start_ssl3_accept_~s__version~0 256) 8195) .cse0) (or (and .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (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 (= 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)) (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0))))) [2020-12-09 04:57:26,411 INFO L262 CegarLoopResult]: For program point L478(lines 478 482) no Hoare annotation was computed. [2020-12-09 04:57:26,411 INFO L258 CegarLoopResult]: At program point L214(lines 107 629) the Hoare annotation is: false [2020-12-09 04:57:26,411 INFO L265 CegarLoopResult]: At program point L677(lines 67 679) the Hoare annotation is: true [2020-12-09 04:57:26,411 INFO L262 CegarLoopResult]: For program point L347(lines 347 379) no Hoare annotation was computed. [2020-12-09 04:57:26,411 INFO L262 CegarLoopResult]: For program point L182(lines 182 604) no Hoare annotation was computed. [2020-12-09 04:57:26,411 INFO L262 CegarLoopResult]: For program point L149(lines 149 615) no Hoare annotation was computed. [2020-12-09 04:57:26,411 INFO L262 CegarLoopResult]: For program point L116(lines 116 626) no Hoare annotation was computed. [2020-12-09 04:57:26,411 INFO L262 CegarLoopResult]: For program point L85-1(lines 67 679) no Hoare annotation was computed. [2020-12-09 04:57:26,411 INFO L262 CegarLoopResult]: For program point L350(lines 350 378) no Hoare annotation was computed. [2020-12-09 04:57:26,411 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 04:57:26,411 INFO L262 CegarLoopResult]: For program point L350-1(lines 350 378) no Hoare annotation was computed. [2020-12-09 04:57:26,411 INFO L262 CegarLoopResult]: For program point L251(lines 251 264) no Hoare annotation was computed. [2020-12-09 04:57:26,411 INFO L262 CegarLoopResult]: For program point L185(lines 185 603) no Hoare annotation was computed. [2020-12-09 04:57:26,411 INFO L262 CegarLoopResult]: For program point L152(lines 152 614) no Hoare annotation was computed. [2020-12-09 04:57:26,411 INFO L262 CegarLoopResult]: For program point L119(lines 119 625) no Hoare annotation was computed. [2020-12-09 04:57:26,411 INFO L262 CegarLoopResult]: For program point L351(lines 351 375) no Hoare annotation was computed. [2020-12-09 04:57:26,411 INFO L258 CegarLoopResult]: At program point L186(lines 182 604) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse1 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8195 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-09 04:57:26,412 INFO L258 CegarLoopResult]: At program point L153(lines 149 615) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (or (= (div ULTIMATE.start_ssl3_accept_~s__version~0 256) 8195) (= ULTIMATE.start_ssl3_accept_~s__hit~0 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)) (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-12-09 04:57:26,412 INFO L262 CegarLoopResult]: For program point L219-2(lines 211 592) no Hoare annotation was computed. [2020-12-09 04:57:26,412 INFO L262 CegarLoopResult]: For program point L253(lines 253 258) no Hoare annotation was computed. [2020-12-09 04:57:26,412 INFO L262 CegarLoopResult]: For program point L551(lines 551 559) no Hoare annotation was computed. [2020-12-09 04:57:26,412 INFO L262 CegarLoopResult]: For program point L287-2(lines 211 592) no Hoare annotation was computed. [2020-12-09 04:57:26,412 INFO L262 CegarLoopResult]: For program point L188(lines 188 602) no Hoare annotation was computed. [2020-12-09 04:57:26,412 INFO L262 CegarLoopResult]: For program point L155(lines 155 613) no Hoare annotation was computed. [2020-12-09 04:57:26,412 INFO L262 CegarLoopResult]: For program point L122(lines 122 624) no Hoare annotation was computed. [2020-12-09 04:57:26,412 INFO L262 CegarLoopResult]: For program point L387(lines 387 418) no Hoare annotation was computed. [2020-12-09 04:57:26,412 INFO L262 CegarLoopResult]: For program point L354(lines 354 374) no Hoare annotation was computed. [2020-12-09 04:57:26,412 INFO L258 CegarLoopResult]: At program point L123(lines 119 625) the Hoare annotation is: false [2020-12-09 04:57:26,412 INFO L262 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-12-09 04:57:26,412 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 04:57:26,412 INFO L262 CegarLoopResult]: For program point L554(lines 554 558) no Hoare annotation was computed. [2020-12-09 04:57:26,412 INFO L262 CegarLoopResult]: For program point L521(lines 521 526) no Hoare annotation was computed. [2020-12-09 04:57:26,412 INFO L262 CegarLoopResult]: For program point L323-1(lines 323 332) no Hoare annotation was computed. [2020-12-09 04:57:26,412 INFO L262 CegarLoopResult]: For program point L356-2(lines 354 372) no Hoare annotation was computed. [2020-12-09 04:57:26,412 INFO L262 CegarLoopResult]: For program point L191(lines 191 601) no Hoare annotation was computed. [2020-12-09 04:57:26,412 INFO L262 CegarLoopResult]: For program point L158(lines 158 612) no Hoare annotation was computed. [2020-12-09 04:57:26,412 INFO L258 CegarLoopResult]: At program point L125(lines 125 623) the Hoare annotation is: (let ((.cse17 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (.cse14 (= (div ULTIMATE.start_ssl3_accept_~s__version~0 256) 8195)) (.cse16 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse15 (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse22 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse23 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse24 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse21 (not .cse16)) (.cse3 (or .cse14 .cse16)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not .cse17)) (.cse2 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse18 (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)) (.cse12 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse25 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse20 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse10 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse9 .cse10 .cse11) (let ((.cse13 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse12 .cse9 .cse10 .cse11 (or .cse13 .cse14) (or .cse13 .cse15))) (and .cse16 .cse17) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse15 .cse18 .cse6 .cse7 .cse8 .cse19 .cse20 .cse9 .cse10 .cse11 .cse21) (and .cse0 .cse22 (not (= 8195 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) .cse1 .cse2 .cse4 .cse5 .cse6 .cse18 .cse7 .cse23 .cse12 .cse19 .cse24 .cse25 .cse20 .cse9 .cse10 .cse11) (and .cse0 .cse22 .cse1 .cse2 .cse4 .cse5 .cse6 .cse18 .cse7 .cse23 .cse19 .cse24 .cse25 .cse20 .cse9 .cse10 .cse11 .cse21) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse12 .cse25 .cse9 .cse10 .cse11 (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse18 .cse7 .cse8 .cse12 .cse19 .cse25 .cse20 .cse9 .cse10 .cse11)))) [2020-12-09 04:57:26,412 INFO L258 CegarLoopResult]: At program point L555(lines 67 679) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-12-09 04:57:26,413 INFO L262 CegarLoopResult]: For program point L489(lines 489 493) no Hoare annotation was computed. [2020-12-09 04:57:26,413 INFO L258 CegarLoopResult]: At program point L192(lines 188 602) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse1 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse3 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)))) (or (and .cse0 (not (= 8195 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-12-09 04:57:26,413 INFO L258 CegarLoopResult]: At program point L159(lines 155 613) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (or (= (div ULTIMATE.start_ssl3_accept_~s__version~0 256) 8195) (= ULTIMATE.start_ssl3_accept_~s__hit~0 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)) (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-12-09 04:57:26,413 INFO L262 CegarLoopResult]: For program point L457(lines 457 461) no Hoare annotation was computed. [2020-12-09 04:57:26,413 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 260) no Hoare annotation was computed. [2020-12-09 04:57:26,413 INFO L262 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-12-09 04:57:26,413 INFO L262 CegarLoopResult]: For program point L260-1(line 260) no Hoare annotation was computed. [2020-12-09 04:57:26,413 INFO L262 CegarLoopResult]: For program point L194(lines 194 600) no Hoare annotation was computed. [2020-12-09 04:57:26,413 INFO L262 CegarLoopResult]: For program point L161(lines 161 611) no Hoare annotation was computed. [2020-12-09 04:57:26,413 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 260) no Hoare annotation was computed. [2020-12-09 04:57:26,413 INFO L262 CegarLoopResult]: For program point L128(lines 128 622) no Hoare annotation was computed. [2020-12-09 04:57:26,413 INFO L262 CegarLoopResult]: For program point L327(lines 327 331) no Hoare annotation was computed. [2020-12-09 04:57:26,413 INFO L262 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-12-09 04:57:26,413 INFO L262 CegarLoopResult]: For program point L262-1(line 262) no Hoare annotation was computed. [2020-12-09 04:57:26,413 INFO L258 CegarLoopResult]: At program point L593(lines 101 661) the Hoare annotation is: (let ((.cse14 (= (div ULTIMATE.start_ssl3_accept_~s__version~0 256) 8195)) (.cse17 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (.cse16 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse15 (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse22 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse2 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse18 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse23 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse24 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse20 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse21 (not .cse16)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not .cse17)) (.cse3 (or .cse14 .cse16)) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.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)) (.cse12 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse25 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse10 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse9 .cse10 .cse11) (let ((.cse13 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse12 .cse9 .cse10 .cse11 (or .cse13 .cse14) (or .cse13 .cse15))) (and .cse16 .cse17) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse15 .cse18 .cse6 .cse7 .cse8 .cse19 .cse20 .cse9 .cse10 .cse11 .cse21) (and .cse0 .cse22 (not (= 8195 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) .cse1 .cse2 .cse4 .cse5 .cse6 .cse18 .cse7 .cse23 .cse12 .cse19 .cse24 .cse25 .cse20 .cse9 .cse10 .cse11) (= ULTIMATE.start_ssl3_accept_~s__state~0 3) (and .cse0 .cse22 .cse1 .cse2 .cse4 .cse5 .cse6 .cse18 .cse7 .cse23 .cse19 .cse24 .cse25 .cse20 .cse9 .cse10 .cse11 .cse21) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse12 .cse25 .cse9 .cse10 .cse11 (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0))))) [2020-12-09 04:57:26,413 INFO L262 CegarLoopResult]: For program point L560(lines 560 564) no Hoare annotation was computed. [2020-12-09 04:57:26,413 INFO L262 CegarLoopResult]: For program point L428(lines 428 432) no Hoare annotation was computed. [2020-12-09 04:57:26,414 INFO L258 CegarLoopResult]: At program point L362(lines 344 380) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (or (= (div ULTIMATE.start_ssl3_accept_~s__version~0 256) 8195) (= ULTIMATE.start_ssl3_accept_~s__hit~0 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)) (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-12-09 04:57:26,414 INFO L262 CegarLoopResult]: For program point L197(lines 197 599) no Hoare annotation was computed. [2020-12-09 04:57:26,414 INFO L262 CegarLoopResult]: For program point L164(lines 164 610) no Hoare annotation was computed. [2020-12-09 04:57:26,414 INFO L262 CegarLoopResult]: For program point L131(lines 131 621) no Hoare annotation was computed. [2020-12-09 04:57:26,414 INFO L262 CegarLoopResult]: For program point L462(lines 462 473) no Hoare annotation was computed. [2020-12-09 04:57:26,414 INFO L262 CegarLoopResult]: For program point L528-2(lines 211 592) no Hoare annotation was computed. [2020-12-09 04:57:26,414 INFO L258 CegarLoopResult]: At program point L396(lines 387 418) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (or (= (div ULTIMATE.start_ssl3_accept_~s__version~0 256) 8195) (= ULTIMATE.start_ssl3_accept_~s__hit~0 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)) (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-12-09 04:57:26,414 INFO L262 CegarLoopResult]: For program point L231(lines 231 242) no Hoare annotation was computed. [2020-12-09 04:57:26,414 INFO L258 CegarLoopResult]: At program point L198(lines 194 600) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse1 (not (= 8195 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))) (.cse2 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse4 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ULTIMATE.start_ssl3_accept_~s__state~0 8656) (not .cse3)) (and .cse0 (= (div ULTIMATE.start_ssl3_accept_~s__version~0 256) 8195) .cse1 .cse2 .cse4 .cse5))) [2020-12-09 04:57:26,414 INFO L258 CegarLoopResult]: At program point L165(lines 161 611) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (or (= (div ULTIMATE.start_ssl3_accept_~s__version~0 256) 8195) (= ULTIMATE.start_ssl3_accept_~s__hit~0 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)) (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-12-09 04:57:26,414 INFO L262 CegarLoopResult]: For program point L231-2(lines 231 242) no Hoare annotation was computed. [2020-12-09 04:57:26,414 INFO L262 CegarLoopResult]: For program point L364(lines 364 368) no Hoare annotation was computed. [2020-12-09 04:57:26,414 INFO L265 CegarLoopResult]: At program point L662(lines 100 663) the Hoare annotation is: true [2020-12-09 04:57:26,414 INFO L262 CegarLoopResult]: For program point L398(lines 398 404) no Hoare annotation was computed. [2020-12-09 04:57:26,414 INFO L262 CegarLoopResult]: For program point L233(lines 233 238) no Hoare annotation was computed. [2020-12-09 04:57:26,414 INFO L262 CegarLoopResult]: For program point L200(lines 200 598) no Hoare annotation was computed. [2020-12-09 04:57:26,415 INFO L258 CegarLoopResult]: At program point L167(lines 167 609) the Hoare annotation is: (let ((.cse21 (= (div ULTIMATE.start_ssl3_accept_~s__version~0 256) 8195)) (.cse24 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse2 (or .cse21 .cse24)) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse17 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse18 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse19 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse3 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse22 (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.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))) (.cse23 (not .cse24))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse16 (not (= 8195 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) .cse1 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse17 .cse10 .cse11 .cse18 .cse19 .cse12 .cse13 .cse14 .cse15) (let ((.cse20 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))) (and .cse0 .cse1 .cse3 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 (or .cse20 .cse21) (or .cse20 .cse22))) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse7 .cse6 .cse8 .cse9 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse10 .cse11 .cse19 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse16 .cse1 .cse3 .cse4 .cse5 .cse7 .cse6 .cse8 .cse17 .cse10 .cse11 .cse18 .cse19 .cse12 .cse13 .cse14 .cse15 .cse23) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse22 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse23)))) [2020-12-09 04:57:26,415 INFO L262 CegarLoopResult]: For program point L134(lines 134 620) no Hoare annotation was computed. [2020-12-09 04:57:26,415 INFO L258 CegarLoopResult]: At program point L101-2(lines 101 661) the Hoare annotation is: (let ((.cse17 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (.cse14 (= (div ULTIMATE.start_ssl3_accept_~s__version~0 256) 8195)) (.cse16 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse15 (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse22 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse23 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse24 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse21 (not .cse16)) (.cse3 (or .cse14 .cse16)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not .cse17)) (.cse2 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse18 (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)) (.cse12 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse25 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse20 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse10 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse9 .cse10 .cse11) (let ((.cse13 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse12 .cse9 .cse10 .cse11 (or .cse13 .cse14) (or .cse13 .cse15))) (and .cse16 .cse17) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse15 .cse18 .cse6 .cse7 .cse8 .cse19 .cse20 .cse9 .cse10 .cse11 .cse21) (and .cse0 .cse22 (not (= 8195 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) .cse1 .cse2 .cse4 .cse5 .cse6 .cse18 .cse7 .cse23 .cse12 .cse19 .cse24 .cse25 .cse20 .cse9 .cse10 .cse11) (and .cse0 .cse22 .cse1 .cse2 .cse4 .cse5 .cse6 .cse18 .cse7 .cse23 .cse19 .cse24 .cse25 .cse20 .cse9 .cse10 .cse11 .cse21) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse12 .cse25 .cse9 .cse10 .cse11 (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse18 .cse7 .cse8 .cse12 .cse19 .cse25 .cse20 .cse9 .cse10 .cse11)))) [2020-12-09 04:57:26,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:57:26 BoogieIcfgContainer [2020-12-09 04:57:26,445 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 04:57:26,446 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 04:57:26,446 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 04:57:26,446 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 04:57:26,446 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:55:57" (3/4) ... [2020-12-09 04:57:26,448 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 04:57:26,460 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2020-12-09 04:57:26,460 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-09 04:57:26,461 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-09 04:57:26,462 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 04:57:26,531 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a29841a8-6662-44cb-bec4-5633de5e71d8/bin/utaipan/witness.graphml [2020-12-09 04:57:26,531 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 04:57:26,532 INFO L168 Benchmark]: Toolchain (without parser) took 90163.43 ms. Allocated memory was 107.0 MB in the beginning and 434.1 MB in the end (delta: 327.2 MB). Free memory was 69.0 MB in the beginning and 386.7 MB in the end (delta: -317.7 MB). Peak memory consumption was 261.6 MB. Max. memory is 16.1 GB. [2020-12-09 04:57:26,532 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 107.0 MB. Free memory is still 86.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 04:57:26,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.74 ms. Allocated memory is still 107.0 MB. Free memory was 68.8 MB in the beginning and 78.7 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 04:57:26,532 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.02 ms. Allocated memory is still 107.0 MB. Free memory was 78.7 MB in the beginning and 75.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 04:57:26,532 INFO L168 Benchmark]: Boogie Preprocessor took 26.80 ms. Allocated memory is still 107.0 MB. Free memory was 75.9 MB in the beginning and 73.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 04:57:26,533 INFO L168 Benchmark]: RCFGBuilder took 676.57 ms. Allocated memory is still 107.0 MB. Free memory was 73.8 MB in the beginning and 69.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 44.6 MB. Max. memory is 16.1 GB. [2020-12-09 04:57:26,533 INFO L168 Benchmark]: TraceAbstraction took 89030.42 ms. Allocated memory was 107.0 MB in the beginning and 434.1 MB in the end (delta: 327.2 MB). Free memory was 69.1 MB in the beginning and 143.1 MB in the end (delta: -74.1 MB). Peak memory consumption was 263.0 MB. Max. memory is 16.1 GB. [2020-12-09 04:57:26,533 INFO L168 Benchmark]: Witness Printer took 85.23 ms. Allocated memory is still 434.1 MB. Free memory was 143.1 MB in the beginning and 386.7 MB in the end (delta: -243.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2020-12-09 04:57:26,534 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 107.0 MB. Free memory is still 86.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 302.74 ms. Allocated memory is still 107.0 MB. Free memory was 68.8 MB in the beginning and 78.7 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.02 ms. Allocated memory is still 107.0 MB. Free memory was 78.7 MB in the beginning and 75.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.80 ms. Allocated memory is still 107.0 MB. Free memory was 75.9 MB in the beginning and 73.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 676.57 ms. Allocated memory is still 107.0 MB. Free memory was 73.8 MB in the beginning and 69.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 44.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 89030.42 ms. Allocated memory was 107.0 MB in the beginning and 434.1 MB in the end (delta: 327.2 MB). Free memory was 69.1 MB in the beginning and 143.1 MB in the end (delta: -74.1 MB). Peak memory consumption was 263.0 MB. Max. memory is 16.1 GB. * Witness Printer took 85.23 ms. Allocated memory is still 434.1 MB. Free memory was 143.1 MB in the beginning and 386.7 MB in the end (delta: -243.6 MB). Peak memory consumption was 9.1 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: ((((((!(s__state == 8673) && 8576 <= s__state) && s__state < 12292) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__state == 8672)) && !(s__hit == 0)) || (((((((!(s__state == 8673) && !(8576 == s__state)) && !(8195 == s__s3__tmp__next_state___0)) && 8576 <= s__state) && s__state < 12292) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__state == 8672)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == 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)) && 8192 < s__state) || ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == 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)) && 8192 < s__state) && !(s__hit == 0)) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8512) && (s__version / 256 == 8195 || s__hit == 0)) && !(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)) && 8192 < s__state - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (((((((((((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(s__state == 8512)) && !(8192 == s__state)) && (s__version / 256 == 8195 || s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && (s__version / 256 == 8195 || s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && (3 == s__s3__tmp__next_state___0 || s__version / 256 == 8195)) && (3 == s__s3__tmp__next_state___0 || 8640 == s__s3__tmp__next_state___0))) || (s__hit == 0 && s__state == 8512)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && 8640 == s__s3__tmp__next_state___0) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || ((((((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(8195 == s__s3__tmp__next_state___0)) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8576 == s__state)) && !(s__state == 8544)) && s__state < 12292) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(s__state == 8544)) && s__state < 12292) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((((((((((((!(s__state == 8545) && !(s__state == 8512)) && (s__version / 256 == 8195 || s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8448 == s__state)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 8192 < s__state)) || (((((((((((((((!(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)) && !(s__state == 8544)) && !(8448 == s__state)) && !(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: 200]: Loop Invariant Derived loop invariant: ((((!(8195 == s__s3__tmp__next_state___0) && s__state < 12292) && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8656)) || ((((s__state < 12292 && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && (s__version / 256 == 8195 || s__hit == 0)) && !(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)) && 8192 < s__state - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && (s__version / 256 == 8195 || s__hit == 0)) && !(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)) && 8192 < s__state - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((((((!(s__state == 8673) && !(8195 == s__s3__tmp__next_state___0)) && s__state < 12292) && s__hit == 0) && 8640 <= s__state) && !(s__state == 8672)) || (s__state == 8656 && !(s__hit == 0))) || (((((!(s__state == 8673) && s__version / 256 == 8195) && !(8195 == s__s3__tmp__next_state___0)) && s__state < 12292) && 8640 <= s__state) && !(s__state == 8672)) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((((((((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(s__state == 8512)) && (s__version / 256 == 8195 || s__hit == 0)) && !(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) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || ((((((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(8195 == s__s3__tmp__next_state___0)) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8496 == s__state)) && !(s__state == 8544)) && s__state < 12292) && !(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__version / 256 == 8195 || s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && (3 == s__s3__tmp__next_state___0 || s__version / 256 == 8195)) && (3 == s__s3__tmp__next_state___0 || 8640 == s__s3__tmp__next_state___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))) || ((((((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8496 == s__state)) && !(s__state == 8544)) && s__state < 12292) && !(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)) && 8640 == s__s3__tmp__next_state___0) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: (((((((((((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(s__state == 8512)) && !(8192 == s__state)) && (s__version / 256 == 8195 || s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && (s__version / 256 == 8195 || s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && (3 == s__s3__tmp__next_state___0 || s__version / 256 == 8195)) && (3 == s__s3__tmp__next_state___0 || 8640 == s__s3__tmp__next_state___0))) || (s__hit == 0 && s__state == 8512)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && 8640 == s__s3__tmp__next_state___0) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || ((((((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(8195 == s__s3__tmp__next_state___0)) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8576 == s__state)) && !(s__state == 8544)) && s__state < 12292) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(s__state == 8544)) && s__state < 12292) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((((((((((((!(s__state == 8545) && !(s__state == 8512)) && (s__version / 256 == 8195 || s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8448 == s__state)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 8192 < s__state)) || (((((((((((((((!(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)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8512) && (s__version / 256 == 8195 || s__hit == 0)) && !(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)) && 8192 < s__state - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: (!(8576 == s__state) && (s__version / 256 == 8195 || s__hit == 0)) && ((s__hit == 0 && s__state == 8512) || ((((((((((((((!(s__state == 8545) && !(s__state == 8195)) && !(s__state == 8480)) && !(8192 == s__s3__tmp__next_state___0)) && !(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)) && !(s__state == 8481)) && 8192 < s__state)) - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && (s__version / 256 == 8195 || s__hit == 0)) && !(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)) && 8192 < s__state - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((((((!(s__state == 8673) && 8576 <= s__state) && s__state < 12292) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__state == 8672)) && !(s__hit == 0)) || (((((((!(s__state == 8673) && !(8576 == s__state)) && !(8195 == s__s3__tmp__next_state___0)) && 8576 <= s__state) && s__state < 12292) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__state == 8672)) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8512) && (s__version / 256 == 8195 || s__hit == 0)) && !(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)) && 8192 < s__state - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: ((((((!(s__state == 8673) && !(8195 == s__s3__tmp__next_state___0)) && s__state < 12292) && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8656)) && !(s__state == 8672)) || ((((((!(s__state == 8673) && s__state < 12292) && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8656)) && !(s__state == 8672)) && !(s__hit == 0)) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(24576 == s__state)) && !(s__state == 8673)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8672)) && !(s__state == 8544)) && !(8448 == s__state)) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__state == 8481) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((((((((((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(s__state == 8512)) && !(8192 == s__state)) && (s__version / 256 == 8195 || s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && (s__version / 256 == 8195 || s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && (3 == s__s3__tmp__next_state___0 || s__version / 256 == 8195)) && (3 == s__s3__tmp__next_state___0 || 8640 == s__s3__tmp__next_state___0))) || (s__hit == 0 && s__state == 8512)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && 8640 == s__s3__tmp__next_state___0) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || ((((((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(8195 == s__s3__tmp__next_state___0)) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8576 == s__state)) && !(s__state == 8544)) && s__state < 12292) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || s__state == 3) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(s__state == 8544)) && s__state < 12292) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((((((((((((!(s__state == 8545) && !(s__state == 8512)) && (s__version / 256 == 8195 || s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8448 == s__state)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 8192 < s__state) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(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)) && 8192 < s__state) && !(s__hit == 0)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(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)) && 8192 < s__state) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((((((((((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(s__state == 8512)) && !(8192 == s__state)) && (s__version / 256 == 8195 || s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && (s__version / 256 == 8195 || s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && (3 == s__s3__tmp__next_state___0 || s__version / 256 == 8195)) && (3 == s__s3__tmp__next_state___0 || 8640 == s__s3__tmp__next_state___0))) || (s__hit == 0 && s__state == 8512)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && 8640 == s__s3__tmp__next_state___0) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || ((((((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(8195 == s__s3__tmp__next_state___0)) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8576 == s__state)) && !(s__state == 8544)) && s__state < 12292) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(s__state == 8544)) && s__state < 12292) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((((((((((((!(s__state == 8545) && !(s__state == 8512)) && (s__version / 256 == 8195 || s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8448 == s__state)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 8192 < s__state)) || (((((((((((((((!(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)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(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: ((((((!(s__state == 8673) && 8576 <= s__state) && s__state < 12292) && !(s__state == 8657)) && !(s__state == 8672)) && !(s__state == 8656)) && !(s__hit == 0)) || ((((((!(s__state == 8673) && !(8195 == s__s3__tmp__next_state___0)) && 8576 <= s__state) && s__state < 12292) && !(s__state == 8657)) && !(s__state == 8672)) && !(s__state == 8656)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 73.9s, OverallIterations: 29, TraceHistogramMax: 14, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3476 SDtfs, 5610 SDslu, 3007 SDs, 0 SdLazy, 7023 SolverSat, 1316 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2025 GetRequests, 1836 SyntacticMatches, 2 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2049 ImplicationChecksByTransitivity, 50.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=572occurred in iteration=27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 29 MinimizatonAttempts, 1875 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 505 NumberOfFragments, 3417 HoareAnnotationTreeSize, 26 FomulaSimplifications, 822284 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 26 FomulaSimplificationsInter, 119387 FormulaSimplificationTreeSizeReductionInter, 13.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 3938 NumberOfCodeBlocks, 3938 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 4704 ConstructedInterpolants, 0 QuantifiedInterpolants, 2457754 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1567 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 37 InterpolantComputations, 25 PerfectInterpolantSequences, 10414/10941 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...