./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_398ae4e7-3cb9-45db-9de0-894108d5c222/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_398ae4e7-3cb9-45db-9de0-894108d5c222/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_398ae4e7-3cb9-45db-9de0-894108d5c222/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_398ae4e7-3cb9-45db-9de0-894108d5c222/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_398ae4e7-3cb9-45db-9de0-894108d5c222/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_398ae4e7-3cb9-45db-9de0-894108d5c222/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8bbbd483a09fdeea97ffdf681e0639d6c4265da0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_398ae4e7-3cb9-45db-9de0-894108d5c222/bin/uautomizer/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:26:55,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:26:55,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:26:55,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:26:55,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:26:55,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:26:55,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:26:55,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:26:55,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:26:55,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:26:55,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:26:55,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:26:55,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:26:55,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:26:55,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:26:55,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:26:55,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:26:55,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:26:55,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:26:55,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:26:55,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:26:55,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:26:55,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:26:55,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:26:55,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:26:55,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:26:55,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:26:55,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:26:55,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:26:55,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:26:55,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:26:55,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:26:55,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:26:55,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:26:55,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:26:55,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:26:55,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:26:55,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:26:55,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:26:55,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:26:55,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:26:55,585 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_398ae4e7-3cb9-45db-9de0-894108d5c222/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-16 00:26:55,610 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:26:55,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:26:55,621 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:26:55,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:26:55,622 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:26:55,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:26:55,622 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:26:55,623 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:26:55,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:26:55,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:26:55,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:26:55,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:26:55,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:26:55,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:26:55,624 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-16 00:26:55,625 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:26:55,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:26:55,626 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:26:55,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:26:55,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:26:55,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:26:55,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:26:55,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:26:55,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:26:55,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:26:55,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:26:55,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:26:55,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:26:55,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:26:55,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:26:55,630 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_398ae4e7-3cb9-45db-9de0-894108d5c222/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bbbd483a09fdeea97ffdf681e0639d6c4265da0 [2019-11-16 00:26:55,662 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:26:55,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:26:55,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:26:55,677 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:26:55,677 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:26:55,678 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_398ae4e7-3cb9-45db-9de0-894108d5c222/bin/uautomizer/../../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2019-11-16 00:26:55,732 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_398ae4e7-3cb9-45db-9de0-894108d5c222/bin/uautomizer/data/c5a2439bf/f04c1ef3eda744748daaec018a617625/FLAG3b8f5c28d [2019-11-16 00:26:56,212 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:26:56,213 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_398ae4e7-3cb9-45db-9de0-894108d5c222/sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2019-11-16 00:26:56,228 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_398ae4e7-3cb9-45db-9de0-894108d5c222/bin/uautomizer/data/c5a2439bf/f04c1ef3eda744748daaec018a617625/FLAG3b8f5c28d [2019-11-16 00:26:56,241 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_398ae4e7-3cb9-45db-9de0-894108d5c222/bin/uautomizer/data/c5a2439bf/f04c1ef3eda744748daaec018a617625 [2019-11-16 00:26:56,243 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:26:56,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:26:56,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:26:56,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:26:56,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:26:56,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:26:56" (1/1) ... [2019-11-16 00:26:56,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec7d761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:56, skipping insertion in model container [2019-11-16 00:26:56,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:26:56" (1/1) ... [2019-11-16 00:26:56,260 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:26:56,287 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:26:56,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:26:56,550 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:26:56,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:26:56,614 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:26:56,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:56 WrapperNode [2019-11-16 00:26:56,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:26:56,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:26:56,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:26:56,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:26:56,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:56" (1/1) ... [2019-11-16 00:26:56,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:56" (1/1) ... [2019-11-16 00:26:56,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:26:56,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:26:56,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:26:56,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:26:56,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:56" (1/1) ... [2019-11-16 00:26:56,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:56" (1/1) ... [2019-11-16 00:26:56,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:56" (1/1) ... [2019-11-16 00:26:56,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:56" (1/1) ... [2019-11-16 00:26:56,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:56" (1/1) ... [2019-11-16 00:26:56,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:56" (1/1) ... [2019-11-16 00:26:56,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:56" (1/1) ... [2019-11-16 00:26:56,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:26:56,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:26:56,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:26:56,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:26:56,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_398ae4e7-3cb9-45db-9de0-894108d5c222/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:26:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:26:56,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:26:57,430 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:26:57,430 INFO L284 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-16 00:26:57,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:57 BoogieIcfgContainer [2019-11-16 00:26:57,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:26:57,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:26:57,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:26:57,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:26:57,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:26:56" (1/3) ... [2019-11-16 00:26:57,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12edb8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:26:57, skipping insertion in model container [2019-11-16 00:26:57,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:56" (2/3) ... [2019-11-16 00:26:57,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12edb8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:26:57, skipping insertion in model container [2019-11-16 00:26:57,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:57" (3/3) ... [2019-11-16 00:26:57,439 INFO L109 eAbstractionObserver]: Analyzing ICFG soft_float_1-2a.c.cil.c [2019-11-16 00:26:57,449 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:26:57,456 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 28 error locations. [2019-11-16 00:26:57,467 INFO L249 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2019-11-16 00:26:57,491 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:26:57,491 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:26:57,492 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:26:57,492 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:26:57,492 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:26:57,492 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:26:57,492 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:26:57,493 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:26:57,515 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-11-16 00:26:57,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-16 00:26:57,521 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:26:57,522 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-16 00:26:57,525 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:26:57,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:26:57,531 INFO L82 PathProgramCache]: Analyzing trace with hash 922901410, now seen corresponding path program 1 times [2019-11-16 00:26:57,539 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:26:57,540 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421758203] [2019-11-16 00:26:57,540 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:57,540 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:57,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:26:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:26:57,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:26:57,659 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421758203] [2019-11-16 00:26:57,659 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:26:57,660 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:26:57,660 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216680770] [2019-11-16 00:26:57,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-16 00:26:57,665 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:26:57,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-16 00:26:57,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:26:57,680 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2019-11-16 00:26:57,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:26:57,710 INFO L93 Difference]: Finished difference Result 263 states and 369 transitions. [2019-11-16 00:26:57,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-16 00:26:57,712 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-11-16 00:26:57,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:26:57,724 INFO L225 Difference]: With dead ends: 263 [2019-11-16 00:26:57,724 INFO L226 Difference]: Without dead ends: 104 [2019-11-16 00:26:57,728 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:26:57,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-11-16 00:26:57,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-11-16 00:26:57,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-11-16 00:26:57,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 127 transitions. [2019-11-16 00:26:57,767 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 127 transitions. Word has length 6 [2019-11-16 00:26:57,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:26:57,767 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 127 transitions. [2019-11-16 00:26:57,767 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-16 00:26:57,767 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 127 transitions. [2019-11-16 00:26:57,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-16 00:26:57,768 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:26:57,768 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-16 00:26:57,769 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:26:57,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:26:57,770 INFO L82 PathProgramCache]: Analyzing trace with hash 921960144, now seen corresponding path program 1 times [2019-11-16 00:26:57,770 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:26:57,770 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939606165] [2019-11-16 00:26:57,770 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:57,770 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:57,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:26:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:26:57,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:26:57,831 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939606165] [2019-11-16 00:26:57,831 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:26:57,831 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:26:57,832 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806221794] [2019-11-16 00:26:57,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:26:57,833 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:26:57,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:26:57,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:26:57,834 INFO L87 Difference]: Start difference. First operand 104 states and 127 transitions. Second operand 4 states. [2019-11-16 00:26:58,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:26:58,048 INFO L93 Difference]: Finished difference Result 224 states and 269 transitions. [2019-11-16 00:26:58,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:26:58,049 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-16 00:26:58,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:26:58,051 INFO L225 Difference]: With dead ends: 224 [2019-11-16 00:26:58,053 INFO L226 Difference]: Without dead ends: 122 [2019-11-16 00:26:58,054 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:26:58,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-11-16 00:26:58,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 84. [2019-11-16 00:26:58,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-16 00:26:58,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 101 transitions. [2019-11-16 00:26:58,076 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 101 transitions. Word has length 6 [2019-11-16 00:26:58,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:26:58,076 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 101 transitions. [2019-11-16 00:26:58,076 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:26:58,076 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2019-11-16 00:26:58,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-16 00:26:58,077 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:26:58,077 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:26:58,078 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:26:58,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:26:58,079 INFO L82 PathProgramCache]: Analyzing trace with hash -118682603, now seen corresponding path program 1 times [2019-11-16 00:26:58,079 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:26:58,079 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077888752] [2019-11-16 00:26:58,079 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:58,079 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:58,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:26:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:26:58,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:26:58,163 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077888752] [2019-11-16 00:26:58,163 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:26:58,163 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:26:58,163 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851105508] [2019-11-16 00:26:58,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:26:58,164 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:26:58,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:26:58,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:26:58,164 INFO L87 Difference]: Start difference. First operand 84 states and 101 transitions. Second operand 4 states. [2019-11-16 00:26:58,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:26:58,251 INFO L93 Difference]: Finished difference Result 129 states and 154 transitions. [2019-11-16 00:26:58,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:26:58,252 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-16 00:26:58,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:26:58,253 INFO L225 Difference]: With dead ends: 129 [2019-11-16 00:26:58,254 INFO L226 Difference]: Without dead ends: 125 [2019-11-16 00:26:58,254 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:26:58,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-16 00:26:58,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 85. [2019-11-16 00:26:58,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-11-16 00:26:58,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 103 transitions. [2019-11-16 00:26:58,265 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 103 transitions. Word has length 9 [2019-11-16 00:26:58,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:26:58,266 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 103 transitions. [2019-11-16 00:26:58,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:26:58,266 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 103 transitions. [2019-11-16 00:26:58,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-16 00:26:58,267 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:26:58,267 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:26:58,268 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:26:58,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:26:58,268 INFO L82 PathProgramCache]: Analyzing trace with hash 615806736, now seen corresponding path program 1 times [2019-11-16 00:26:58,269 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:26:58,269 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666867086] [2019-11-16 00:26:58,269 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:58,269 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:58,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:26:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:26:58,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:26:58,328 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666867086] [2019-11-16 00:26:58,328 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:26:58,329 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:26:58,329 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66667985] [2019-11-16 00:26:58,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:26:58,329 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:26:58,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:26:58,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:26:58,330 INFO L87 Difference]: Start difference. First operand 85 states and 103 transitions. Second operand 3 states. [2019-11-16 00:26:58,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:26:58,387 INFO L93 Difference]: Finished difference Result 123 states and 146 transitions. [2019-11-16 00:26:58,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:26:58,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-11-16 00:26:58,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:26:58,389 INFO L225 Difference]: With dead ends: 123 [2019-11-16 00:26:58,390 INFO L226 Difference]: Without dead ends: 121 [2019-11-16 00:26:58,390 INFO L600 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 [2019-11-16 00:26:58,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-16 00:26:58,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 83. [2019-11-16 00:26:58,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-11-16 00:26:58,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 101 transitions. [2019-11-16 00:26:58,399 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 101 transitions. Word has length 10 [2019-11-16 00:26:58,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:26:58,400 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 101 transitions. [2019-11-16 00:26:58,400 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:26:58,400 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2019-11-16 00:26:58,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-16 00:26:58,401 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:26:58,401 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:26:58,402 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:26:58,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:26:58,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1497311933, now seen corresponding path program 1 times [2019-11-16 00:26:58,403 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:26:58,403 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240004973] [2019-11-16 00:26:58,403 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:58,403 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:58,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:26:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:26:58,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:26:58,441 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240004973] [2019-11-16 00:26:58,441 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:26:58,441 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:26:58,441 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949203751] [2019-11-16 00:26:58,442 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:26:58,442 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:26:58,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:26:58,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:26:58,442 INFO L87 Difference]: Start difference. First operand 83 states and 101 transitions. Second operand 4 states. [2019-11-16 00:26:58,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:26:58,519 INFO L93 Difference]: Finished difference Result 127 states and 151 transitions. [2019-11-16 00:26:58,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:26:58,520 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-16 00:26:58,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:26:58,521 INFO L225 Difference]: With dead ends: 127 [2019-11-16 00:26:58,521 INFO L226 Difference]: Without dead ends: 125 [2019-11-16 00:26:58,521 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:26:58,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-16 00:26:58,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 85. [2019-11-16 00:26:58,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-11-16 00:26:58,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 103 transitions. [2019-11-16 00:26:58,531 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 103 transitions. Word has length 11 [2019-11-16 00:26:58,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:26:58,531 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 103 transitions. [2019-11-16 00:26:58,532 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:26:58,532 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 103 transitions. [2019-11-16 00:26:58,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-16 00:26:58,533 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:26:58,533 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:26:58,534 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:26:58,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:26:58,534 INFO L82 PathProgramCache]: Analyzing trace with hash -832741477, now seen corresponding path program 1 times [2019-11-16 00:26:58,534 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:26:58,534 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149848928] [2019-11-16 00:26:58,535 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:58,535 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:58,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:26:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:26:58,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:26:58,592 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149848928] [2019-11-16 00:26:58,593 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:26:58,593 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:26:58,593 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667112573] [2019-11-16 00:26:58,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:26:58,594 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:26:58,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:26:58,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:26:58,594 INFO L87 Difference]: Start difference. First operand 85 states and 103 transitions. Second operand 4 states. [2019-11-16 00:26:58,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:26:58,679 INFO L93 Difference]: Finished difference Result 130 states and 156 transitions. [2019-11-16 00:26:58,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:26:58,679 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-11-16 00:26:58,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:26:58,680 INFO L225 Difference]: With dead ends: 130 [2019-11-16 00:26:58,681 INFO L226 Difference]: Without dead ends: 128 [2019-11-16 00:26:58,681 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:26:58,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-11-16 00:26:58,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 88. [2019-11-16 00:26:58,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-16 00:26:58,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 107 transitions. [2019-11-16 00:26:58,690 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 107 transitions. Word has length 12 [2019-11-16 00:26:58,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:26:58,690 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 107 transitions. [2019-11-16 00:26:58,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:26:58,690 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 107 transitions. [2019-11-16 00:26:58,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-16 00:26:58,691 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:26:58,692 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:26:58,692 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:26:58,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:26:58,693 INFO L82 PathProgramCache]: Analyzing trace with hash 952355221, now seen corresponding path program 1 times [2019-11-16 00:26:58,693 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:26:58,694 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973944277] [2019-11-16 00:26:58,694 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:58,694 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:58,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:26:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:26:58,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:26:58,732 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973944277] [2019-11-16 00:26:58,733 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:26:58,733 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:26:58,733 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209692611] [2019-11-16 00:26:58,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:26:58,733 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:26:58,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:26:58,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:26:58,734 INFO L87 Difference]: Start difference. First operand 88 states and 107 transitions. Second operand 4 states. [2019-11-16 00:26:58,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:26:58,822 INFO L93 Difference]: Finished difference Result 172 states and 203 transitions. [2019-11-16 00:26:58,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:26:58,823 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-11-16 00:26:58,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:26:58,824 INFO L225 Difference]: With dead ends: 172 [2019-11-16 00:26:58,824 INFO L226 Difference]: Without dead ends: 170 [2019-11-16 00:26:58,825 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:26:58,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2019-11-16 00:26:58,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 87. [2019-11-16 00:26:58,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-11-16 00:26:58,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 106 transitions. [2019-11-16 00:26:58,834 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 106 transitions. Word has length 14 [2019-11-16 00:26:58,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:26:58,835 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 106 transitions. [2019-11-16 00:26:58,835 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:26:58,835 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 106 transitions. [2019-11-16 00:26:58,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-16 00:26:58,836 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:26:58,836 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:26:58,837 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:26:58,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:26:58,837 INFO L82 PathProgramCache]: Analyzing trace with hash -513187613, now seen corresponding path program 1 times [2019-11-16 00:26:58,838 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:26:58,838 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425584088] [2019-11-16 00:26:58,838 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:58,838 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:58,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:26:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:26:58,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:26:58,874 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425584088] [2019-11-16 00:26:58,874 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:26:58,874 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:26:58,875 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569340713] [2019-11-16 00:26:58,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:26:58,875 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:26:58,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:26:58,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:26:58,876 INFO L87 Difference]: Start difference. First operand 87 states and 106 transitions. Second operand 4 states. [2019-11-16 00:26:58,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:26:58,955 INFO L93 Difference]: Finished difference Result 127 states and 152 transitions. [2019-11-16 00:26:58,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:26:58,956 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-11-16 00:26:58,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:26:58,957 INFO L225 Difference]: With dead ends: 127 [2019-11-16 00:26:58,957 INFO L226 Difference]: Without dead ends: 125 [2019-11-16 00:26:58,958 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:26:58,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-16 00:26:58,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 82. [2019-11-16 00:26:58,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-11-16 00:26:58,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 101 transitions. [2019-11-16 00:26:58,976 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 101 transitions. Word has length 14 [2019-11-16 00:26:58,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:26:58,976 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 101 transitions. [2019-11-16 00:26:58,977 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:26:58,977 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 101 transitions. [2019-11-16 00:26:58,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-16 00:26:58,978 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:26:58,979 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:26:58,979 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:26:58,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:26:58,980 INFO L82 PathProgramCache]: Analyzing trace with hash 2134556229, now seen corresponding path program 1 times [2019-11-16 00:26:58,980 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:26:58,980 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704442729] [2019-11-16 00:26:58,981 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:58,981 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:58,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:26:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:26:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:26:59,040 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704442729] [2019-11-16 00:26:59,040 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:26:59,040 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:26:59,041 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219849859] [2019-11-16 00:26:59,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:26:59,041 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:26:59,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:26:59,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:26:59,042 INFO L87 Difference]: Start difference. First operand 82 states and 101 transitions. Second operand 4 states. [2019-11-16 00:26:59,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:26:59,148 INFO L93 Difference]: Finished difference Result 162 states and 193 transitions. [2019-11-16 00:26:59,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:26:59,149 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-11-16 00:26:59,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:26:59,151 INFO L225 Difference]: With dead ends: 162 [2019-11-16 00:26:59,151 INFO L226 Difference]: Without dead ends: 160 [2019-11-16 00:26:59,152 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:26:59,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-16 00:26:59,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 72. [2019-11-16 00:26:59,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-11-16 00:26:59,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 89 transitions. [2019-11-16 00:26:59,165 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 89 transitions. Word has length 15 [2019-11-16 00:26:59,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:26:59,166 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 89 transitions. [2019-11-16 00:26:59,166 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:26:59,166 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2019-11-16 00:26:59,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-16 00:26:59,168 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:26:59,169 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:26:59,174 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:26:59,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:26:59,176 INFO L82 PathProgramCache]: Analyzing trace with hash -324557016, now seen corresponding path program 1 times [2019-11-16 00:26:59,177 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:26:59,177 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987538059] [2019-11-16 00:26:59,178 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:59,178 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:59,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:26:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:26:59,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:26:59,408 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987538059] [2019-11-16 00:26:59,408 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:26:59,409 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-16 00:26:59,409 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731369650] [2019-11-16 00:26:59,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-16 00:26:59,409 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:26:59,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-16 00:26:59,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-11-16 00:26:59,410 INFO L87 Difference]: Start difference. First operand 72 states and 89 transitions. Second operand 9 states. [2019-11-16 00:26:59,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:26:59,706 INFO L93 Difference]: Finished difference Result 114 states and 137 transitions. [2019-11-16 00:26:59,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-16 00:26:59,707 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2019-11-16 00:26:59,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:26:59,708 INFO L225 Difference]: With dead ends: 114 [2019-11-16 00:26:59,708 INFO L226 Difference]: Without dead ends: 74 [2019-11-16 00:26:59,709 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2019-11-16 00:26:59,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-11-16 00:26:59,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2019-11-16 00:26:59,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-11-16 00:26:59,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 87 transitions. [2019-11-16 00:26:59,716 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 87 transitions. Word has length 17 [2019-11-16 00:26:59,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:26:59,716 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 87 transitions. [2019-11-16 00:26:59,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-16 00:26:59,717 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2019-11-16 00:26:59,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-16 00:26:59,718 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:26:59,718 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:26:59,718 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:26:59,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:26:59,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1112826903, now seen corresponding path program 1 times [2019-11-16 00:26:59,719 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:26:59,720 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276191352] [2019-11-16 00:26:59,720 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:59,720 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:59,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:26:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:26:59,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:26:59,932 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276191352] [2019-11-16 00:26:59,932 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:26:59,932 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:26:59,932 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133209074] [2019-11-16 00:26:59,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-16 00:26:59,933 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:26:59,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-16 00:26:59,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:26:59,933 INFO L87 Difference]: Start difference. First operand 72 states and 87 transitions. Second operand 8 states. [2019-11-16 00:27:00,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:27:00,157 INFO L93 Difference]: Finished difference Result 162 states and 185 transitions. [2019-11-16 00:27:00,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:27:00,158 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2019-11-16 00:27:00,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:27:00,159 INFO L225 Difference]: With dead ends: 162 [2019-11-16 00:27:00,159 INFO L226 Difference]: Without dead ends: 134 [2019-11-16 00:27:00,160 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2019-11-16 00:27:00,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-11-16 00:27:00,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 90. [2019-11-16 00:27:00,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-16 00:27:00,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 110 transitions. [2019-11-16 00:27:00,167 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 110 transitions. Word has length 21 [2019-11-16 00:27:00,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:27:00,167 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 110 transitions. [2019-11-16 00:27:00,167 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-16 00:27:00,167 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2019-11-16 00:27:00,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-16 00:27:00,168 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:27:00,168 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:27:00,169 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:27:00,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:27:00,169 INFO L82 PathProgramCache]: Analyzing trace with hash -2013141521, now seen corresponding path program 1 times [2019-11-16 00:27:00,169 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:27:00,169 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580537063] [2019-11-16 00:27:00,170 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:27:00,170 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:27:00,170 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:27:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:27:00,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:27:00,352 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580537063] [2019-11-16 00:27:00,352 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:27:00,352 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:27:00,353 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163265123] [2019-11-16 00:27:00,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-16 00:27:00,353 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:27:00,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-16 00:27:00,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:27:00,353 INFO L87 Difference]: Start difference. First operand 90 states and 110 transitions. Second operand 8 states. [2019-11-16 00:27:00,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:27:00,626 INFO L93 Difference]: Finished difference Result 232 states and 273 transitions. [2019-11-16 00:27:00,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-16 00:27:00,626 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-11-16 00:27:00,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:27:00,628 INFO L225 Difference]: With dead ends: 232 [2019-11-16 00:27:00,628 INFO L226 Difference]: Without dead ends: 186 [2019-11-16 00:27:00,628 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-11-16 00:27:00,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2019-11-16 00:27:00,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 130. [2019-11-16 00:27:00,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-11-16 00:27:00,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 161 transitions. [2019-11-16 00:27:00,639 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 161 transitions. Word has length 23 [2019-11-16 00:27:00,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:27:00,639 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 161 transitions. [2019-11-16 00:27:00,639 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-16 00:27:00,639 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 161 transitions. [2019-11-16 00:27:00,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-16 00:27:00,640 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:27:00,640 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:27:00,641 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:27:00,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:27:00,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1836591731, now seen corresponding path program 1 times [2019-11-16 00:27:00,641 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:27:00,642 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725316476] [2019-11-16 00:27:00,642 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:27:00,642 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:27:00,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:27:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:27:00,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:27:00,733 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725316476] [2019-11-16 00:27:00,733 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:27:00,733 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-16 00:27:00,733 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66060867] [2019-11-16 00:27:00,734 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-16 00:27:00,734 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:27:00,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-16 00:27:00,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:27:00,734 INFO L87 Difference]: Start difference. First operand 130 states and 161 transitions. Second operand 8 states. [2019-11-16 00:27:01,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:27:01,053 INFO L93 Difference]: Finished difference Result 162 states and 193 transitions. [2019-11-16 00:27:01,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-16 00:27:01,054 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-11-16 00:27:01,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:27:01,055 INFO L225 Difference]: With dead ends: 162 [2019-11-16 00:27:01,055 INFO L226 Difference]: Without dead ends: 90 [2019-11-16 00:27:01,056 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2019-11-16 00:27:01,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-16 00:27:01,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-11-16 00:27:01,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-16 00:27:01,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 108 transitions. [2019-11-16 00:27:01,062 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 108 transitions. Word has length 23 [2019-11-16 00:27:01,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:27:01,063 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 108 transitions. [2019-11-16 00:27:01,063 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-16 00:27:01,063 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2019-11-16 00:27:01,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-16 00:27:01,064 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:27:01,064 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:27:01,064 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:27:01,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:27:01,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1319121376, now seen corresponding path program 1 times [2019-11-16 00:27:01,065 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:27:01,065 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419063320] [2019-11-16 00:27:01,065 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:27:01,066 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:27:01,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:27:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:27:01,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:27:01,206 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419063320] [2019-11-16 00:27:01,206 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:27:01,206 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-16 00:27:01,206 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86200693] [2019-11-16 00:27:01,206 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:27:01,207 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:27:01,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:27:01,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:27:01,207 INFO L87 Difference]: Start difference. First operand 90 states and 108 transitions. Second operand 7 states. [2019-11-16 00:27:01,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:27:01,433 INFO L93 Difference]: Finished difference Result 294 states and 332 transitions. [2019-11-16 00:27:01,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-16 00:27:01,433 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2019-11-16 00:27:01,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:27:01,435 INFO L225 Difference]: With dead ends: 294 [2019-11-16 00:27:01,435 INFO L226 Difference]: Without dead ends: 250 [2019-11-16 00:27:01,436 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2019-11-16 00:27:01,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-11-16 00:27:01,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 130. [2019-11-16 00:27:01,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-11-16 00:27:01,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 159 transitions. [2019-11-16 00:27:01,446 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 159 transitions. Word has length 27 [2019-11-16 00:27:01,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:27:01,446 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 159 transitions. [2019-11-16 00:27:01,446 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:27:01,446 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 159 transitions. [2019-11-16 00:27:01,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-16 00:27:01,449 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:27:01,449 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:27:01,450 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:27:01,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:27:01,450 INFO L82 PathProgramCache]: Analyzing trace with hash 590911882, now seen corresponding path program 1 times [2019-11-16 00:27:01,450 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:27:01,450 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608449054] [2019-11-16 00:27:01,450 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:27:01,450 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:27:01,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:27:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:27:01,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:27:01,707 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608449054] [2019-11-16 00:27:01,707 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:27:01,707 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-16 00:27:01,707 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205461084] [2019-11-16 00:27:01,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-16 00:27:01,708 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:27:01,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-16 00:27:01,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-16 00:27:01,708 INFO L87 Difference]: Start difference. First operand 130 states and 159 transitions. Second operand 9 states. [2019-11-16 00:27:02,030 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-11-16 00:27:02,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:27:02,114 INFO L93 Difference]: Finished difference Result 175 states and 203 transitions. [2019-11-16 00:27:02,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-16 00:27:02,115 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2019-11-16 00:27:02,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:27:02,116 INFO L225 Difference]: With dead ends: 175 [2019-11-16 00:27:02,116 INFO L226 Difference]: Without dead ends: 174 [2019-11-16 00:27:02,117 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2019-11-16 00:27:02,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2019-11-16 00:27:02,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 120. [2019-11-16 00:27:02,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-11-16 00:27:02,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 145 transitions. [2019-11-16 00:27:02,126 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 145 transitions. Word has length 29 [2019-11-16 00:27:02,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:27:02,126 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 145 transitions. [2019-11-16 00:27:02,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-16 00:27:02,126 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 145 transitions. [2019-11-16 00:27:02,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-16 00:27:02,127 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:27:02,127 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:27:02,128 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:27:02,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:27:02,128 INFO L82 PathProgramCache]: Analyzing trace with hash 767461672, now seen corresponding path program 1 times [2019-11-16 00:27:02,128 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:27:02,129 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649578742] [2019-11-16 00:27:02,129 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:27:02,129 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:27:02,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:27:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:27:02,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:27:02,200 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649578742] [2019-11-16 00:27:02,200 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:27:02,200 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:27:02,200 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780938818] [2019-11-16 00:27:02,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:27:02,201 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:27:02,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:27:02,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:27:02,201 INFO L87 Difference]: Start difference. First operand 120 states and 145 transitions. Second operand 6 states. [2019-11-16 00:27:02,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:27:02,315 INFO L93 Difference]: Finished difference Result 166 states and 197 transitions. [2019-11-16 00:27:02,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:27:02,315 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2019-11-16 00:27:02,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:27:02,316 INFO L225 Difference]: With dead ends: 166 [2019-11-16 00:27:02,316 INFO L226 Difference]: Without dead ends: 120 [2019-11-16 00:27:02,317 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:27:02,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-11-16 00:27:02,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2019-11-16 00:27:02,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-16 00:27:02,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 138 transitions. [2019-11-16 00:27:02,325 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 138 transitions. Word has length 29 [2019-11-16 00:27:02,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:27:02,326 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 138 transitions. [2019-11-16 00:27:02,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:27:02,326 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 138 transitions. [2019-11-16 00:27:02,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-16 00:27:02,327 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:27:02,327 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:27:02,327 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:27:02,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:27:02,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1093653162, now seen corresponding path program 1 times [2019-11-16 00:27:02,328 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:27:02,328 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855190740] [2019-11-16 00:27:02,329 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:27:02,329 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:27:02,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:27:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:27:02,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:27:02,418 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855190740] [2019-11-16 00:27:02,418 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:27:02,418 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-16 00:27:02,418 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112558212] [2019-11-16 00:27:02,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:27:02,419 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:27:02,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:27:02,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:27:02,419 INFO L87 Difference]: Start difference. First operand 117 states and 138 transitions. Second operand 6 states. [2019-11-16 00:27:02,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:27:02,582 INFO L93 Difference]: Finished difference Result 227 states and 251 transitions. [2019-11-16 00:27:02,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-16 00:27:02,582 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-16 00:27:02,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:27:02,584 INFO L225 Difference]: With dead ends: 227 [2019-11-16 00:27:02,585 INFO L226 Difference]: Without dead ends: 198 [2019-11-16 00:27:02,585 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:27:02,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-11-16 00:27:02,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 127. [2019-11-16 00:27:02,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-11-16 00:27:02,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 149 transitions. [2019-11-16 00:27:02,596 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 149 transitions. Word has length 31 [2019-11-16 00:27:02,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:27:02,597 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 149 transitions. [2019-11-16 00:27:02,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:27:02,597 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 149 transitions. [2019-11-16 00:27:02,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-16 00:27:02,598 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:27:02,598 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:27:02,598 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:27:02,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:27:02,599 INFO L82 PathProgramCache]: Analyzing trace with hash 964745492, now seen corresponding path program 1 times [2019-11-16 00:27:02,599 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:27:02,599 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48082980] [2019-11-16 00:27:02,599 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:27:02,599 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:27:02,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:27:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:27:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:27:02,682 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:27:02,683 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-16 00:27:02,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:27:02 BoogieIcfgContainer [2019-11-16 00:27:02,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:27:02,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:27:02,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:27:02,743 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:27:02,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:57" (3/4) ... [2019-11-16 00:27:02,750 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-16 00:27:02,750 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:27:02,752 INFO L168 Benchmark]: Toolchain (without parser) took 6506.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:27:02,752 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:27:02,753 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:27:02,757 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:27:02,759 INFO L168 Benchmark]: Boogie Preprocessor took 35.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:27:02,759 INFO L168 Benchmark]: RCFGBuilder took 730.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:27:02,761 INFO L168 Benchmark]: TraceAbstraction took 5309.85 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 41.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -8.6 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:27:02,761 INFO L168 Benchmark]: Witness Printer took 7.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:27:02,766 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 730.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5309.85 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 41.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -8.6 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 7.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 103]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 101, overapproximation of bitwiseAnd at line 102. Possible FailurePath: [L217] unsigned int a ; [L218] unsigned int ma = __VERIFIER_nondet_uint(); [L219] signed char ea = __VERIFIER_nondet_char(); [L220] unsigned int b ; [L221] unsigned int mb = __VERIFIER_nondet_uint(); [L222] signed char eb = __VERIFIER_nondet_char(); [L223] unsigned int r_add ; [L224] unsigned int zero ; [L225] int sa ; [L226] int sb ; [L227] int tmp ; [L228] int tmp___0 ; [L229] int tmp___1 ; [L230] int tmp___2 ; [L231] int tmp___3 ; [L232] int tmp___4 ; [L233] int tmp___5 ; [L234] int tmp___6 ; [L235] int tmp___7 ; [L236] int tmp___8 ; [L237] int tmp___9 ; [L238] int __retres23 ; [L16] unsigned int res ; [L17] unsigned int __retres4 ; [L20] COND TRUE ! m [L21] __retres4 = 0U [L71] return (__retres4); [L242] zero = base2flt(0, 0) [L16] unsigned int res ; [L17] unsigned int __retres4 ; [L20] COND FALSE !(! m) [L26] COND FALSE !(m < 1U << 24U) [L48] COND TRUE 1 [L50] COND FALSE !(m >= 1U << 25U) [L67] m = m & ~ (1U << 24U) [L68] EXPR e + 128 [L68] res = m | ((unsigned int ) (e + 128) << 24U) [L69] __retres4 = res [L71] return (__retres4); [L243] a = base2flt(ma, ea) [L16] unsigned int res ; [L17] unsigned int __retres4 ; [L20] COND FALSE !(! m) [L26] COND FALSE !(m < 1U << 24U) [L48] COND TRUE 1 [L50] COND TRUE m >= 1U << 25U [L55] COND TRUE e >= 127 [L56] __retres4 = 4294967295U [L71] return (__retres4); [L244] b = base2flt(mb, eb) [L246] COND FALSE !(a < zero) [L249] COND TRUE a > zero [L250] tmp = 1 [L254] sa = tmp [L256] COND FALSE !(b < zero) [L259] COND TRUE b > zero [L260] tmp___0 = 1 [L264] sb = tmp___0 [L75] unsigned int res ; [L76] unsigned int ma ; [L77] unsigned int mb ; [L78] unsigned int delta ; [L79] int ea ; [L80] int eb ; [L81] unsigned int tmp ; [L82] unsigned int __retres10 ; [L85] COND TRUE a < b [L86] tmp = a [L87] a = b [L88] b = tmp [L92] COND FALSE !(! b) [L99] ma = a & ((1U << 24U) - 1U) [L100] EXPR (int )(a >> 24U) - 128 [L100] ea = (int )(a >> 24U) - 128 [L101] ma = ma | (1U << 24U) [L102] mb = b & ((1U << 24U) - 1U) [L103] (int )(b >> 24U) - 128 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 28 error locations. Result: UNSAFE, OverallTime: 5.2s, OverallIterations: 18, TraceHistogramMax: 2, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1850 SDtfs, 2173 SDslu, 4106 SDs, 0 SdLazy, 1090 SolverSat, 133 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 760 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 330 NumberOfCodeBlocks, 330 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 280 ConstructedInterpolants, 0 QuantifiedInterpolants, 33514 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...