./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2bfa7523-25cd-4868-afaa-0178bf7ded03/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2bfa7523-25cd-4868-afaa-0178bf7ded03/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2bfa7523-25cd-4868-afaa-0178bf7ded03/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2bfa7523-25cd-4868-afaa-0178bf7ded03/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2bfa7523-25cd-4868-afaa-0178bf7ded03/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2bfa7523-25cd-4868-afaa-0178bf7ded03/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 fa5701cbf2aecb18d72b6e5744b88307065d31ab .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_2bfa7523-25cd-4868-afaa-0178bf7ded03/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 0.1.24-678e011 [2019-11-20 00:46:55,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:46:55,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:46:55,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:46:55,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:46:55,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:46:55,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:46:55,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:46:55,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:46:55,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:46:55,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:46:55,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:46:55,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:46:55,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:46:55,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:46:55,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:46:55,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:46:55,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:46:55,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:46:55,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:46:55,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:46:55,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:46:55,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:46:55,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:46:55,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:46:55,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:46:55,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:46:55,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:46:55,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:46:55,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:46:55,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:46:55,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:46:55,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:46:55,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:46:55,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:46:55,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:46:55,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:46:55,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:46:55,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:46:55,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:46:55,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:46:55,800 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2bfa7523-25cd-4868-afaa-0178bf7ded03/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-20 00:46:55,818 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:46:55,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:46:55,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:46:55,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:46:55,820 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:46:55,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:46:55,821 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:46:55,821 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 00:46:55,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:46:55,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:46:55,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:46:55,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 00:46:55,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:46:55,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 00:46:55,823 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 00:46:55,823 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:46:55,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:46:55,824 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:46:55,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 00:46:55,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:46:55,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:46:55,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:46:55,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 00:46:55,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 00:46:55,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:46:55,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:46:55,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 00:46:55,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 00:46:55,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 00:46:55,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 00:46:55,828 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_2bfa7523-25cd-4868-afaa-0178bf7ded03/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 -> fa5701cbf2aecb18d72b6e5744b88307065d31ab [2019-11-20 00:46:55,992 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:46:56,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:46:56,008 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:46:56,010 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:46:56,010 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:46:56,011 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2bfa7523-25cd-4868-afaa-0178bf7ded03/bin/uautomizer/../../sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c [2019-11-20 00:46:56,074 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2bfa7523-25cd-4868-afaa-0178bf7ded03/bin/uautomizer/data/861739eb3/ea0726b5ff114bf29c2d036195b87936/FLAGa9ea069e8 [2019-11-20 00:46:56,547 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:46:56,548 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2bfa7523-25cd-4868-afaa-0178bf7ded03/sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c [2019-11-20 00:46:56,558 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2bfa7523-25cd-4868-afaa-0178bf7ded03/bin/uautomizer/data/861739eb3/ea0726b5ff114bf29c2d036195b87936/FLAGa9ea069e8 [2019-11-20 00:46:56,893 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2bfa7523-25cd-4868-afaa-0178bf7ded03/bin/uautomizer/data/861739eb3/ea0726b5ff114bf29c2d036195b87936 [2019-11-20 00:46:56,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:46:56,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:46:56,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:46:56,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:46:56,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:46:56,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:46:56" (1/1) ... [2019-11-20 00:46:56,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60921b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:56, skipping insertion in model container [2019-11-20 00:46:56,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:46:56" (1/1) ... [2019-11-20 00:46:56,915 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:46:56,969 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:46:57,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:46:57,353 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:46:57,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:46:57,432 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:46:57,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:57 WrapperNode [2019-11-20 00:46:57,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:46:57,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:46:57,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:46:57,434 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:46:57,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:57" (1/1) ... [2019-11-20 00:46:57,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:57" (1/1) ... [2019-11-20 00:46:57,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:46:57,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:46:57,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:46:57,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:46:57,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:57" (1/1) ... [2019-11-20 00:46:57,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:57" (1/1) ... [2019-11-20 00:46:57,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:57" (1/1) ... [2019-11-20 00:46:57,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:57" (1/1) ... [2019-11-20 00:46:57,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:57" (1/1) ... [2019-11-20 00:46:57,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:57" (1/1) ... [2019-11-20 00:46:57,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:57" (1/1) ... [2019-11-20 00:46:57,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:46:57,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:46:57,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:46:57,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:46:57,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2bfa7523-25cd-4868-afaa-0178bf7ded03/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 [2019-11-20 00:46:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:46:57,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:46:58,341 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:46:58,342 INFO L285 CfgBuilder]: Removed 34 assume(true) statements. [2019-11-20 00:46:58,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:46:58 BoogieIcfgContainer [2019-11-20 00:46:58,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:46:58,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 00:46:58,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 00:46:58,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 00:46:58,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:46:56" (1/3) ... [2019-11-20 00:46:58,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7204707a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:46:58, skipping insertion in model container [2019-11-20 00:46:58,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:57" (2/3) ... [2019-11-20 00:46:58,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7204707a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:46:58, skipping insertion in model container [2019-11-20 00:46:58,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:46:58" (3/3) ... [2019-11-20 00:46:58,352 INFO L109 eAbstractionObserver]: Analyzing ICFG soft_float_4-3a.c.cil.c [2019-11-20 00:46:58,363 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 00:46:58,370 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 38 error locations. [2019-11-20 00:46:58,383 INFO L249 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2019-11-20 00:46:58,408 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 00:46:58,408 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 00:46:58,409 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 00:46:58,409 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:46:58,409 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:46:58,409 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 00:46:58,409 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:46:58,409 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 00:46:58,436 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2019-11-20 00:46:58,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 00:46:58,443 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:46:58,444 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-20 00:46:58,445 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 00:46:58,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:58,451 INFO L82 PathProgramCache]: Analyzing trace with hash 922901410, now seen corresponding path program 1 times [2019-11-20 00:46:58,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:58,459 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237111948] [2019-11-20 00:46:58,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:58,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:46:58,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237111948] [2019-11-20 00:46:58,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:46:58,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 00:46:58,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423387513] [2019-11-20 00:46:58,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 00:46:58,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:46:58,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 00:46:58,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 00:46:58,611 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2019-11-20 00:46:58,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:46:58,646 INFO L93 Difference]: Finished difference Result 283 states and 373 transitions. [2019-11-20 00:46:58,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 00:46:58,647 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-11-20 00:46:58,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:46:58,661 INFO L225 Difference]: With dead ends: 283 [2019-11-20 00:46:58,661 INFO L226 Difference]: Without dead ends: 130 [2019-11-20 00:46:58,665 INFO L630 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 [2019-11-20 00:46:58,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-11-20 00:46:58,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2019-11-20 00:46:58,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-11-20 00:46:58,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 154 transitions. [2019-11-20 00:46:58,718 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 154 transitions. Word has length 6 [2019-11-20 00:46:58,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:46:58,719 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 154 transitions. [2019-11-20 00:46:58,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 00:46:58,719 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2019-11-20 00:46:58,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 00:46:58,720 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:46:58,720 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-20 00:46:58,721 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 00:46:58,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:58,721 INFO L82 PathProgramCache]: Analyzing trace with hash 921960144, now seen corresponding path program 1 times [2019-11-20 00:46:58,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:58,722 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731724688] [2019-11-20 00:46:58,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:58,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:46:58,803 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731724688] [2019-11-20 00:46:58,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:46:58,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 00:46:58,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475276986] [2019-11-20 00:46:58,805 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 00:46:58,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:46:58,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 00:46:58,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:46:58,806 INFO L87 Difference]: Start difference. First operand 130 states and 154 transitions. Second operand 4 states. [2019-11-20 00:46:59,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:46:59,052 INFO L93 Difference]: Finished difference Result 302 states and 350 transitions. [2019-11-20 00:46:59,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 00:46:59,053 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-20 00:46:59,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:46:59,055 INFO L225 Difference]: With dead ends: 302 [2019-11-20 00:46:59,056 INFO L226 Difference]: Without dead ends: 174 [2019-11-20 00:46:59,058 INFO L630 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 [2019-11-20 00:46:59,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2019-11-20 00:46:59,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 110. [2019-11-20 00:46:59,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-20 00:46:59,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 128 transitions. [2019-11-20 00:46:59,072 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 128 transitions. Word has length 6 [2019-11-20 00:46:59,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:46:59,073 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 128 transitions. [2019-11-20 00:46:59,073 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 00:46:59,073 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 128 transitions. [2019-11-20 00:46:59,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 00:46:59,074 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:46:59,074 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:46:59,075 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 00:46:59,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:59,075 INFO L82 PathProgramCache]: Analyzing trace with hash -118682603, now seen corresponding path program 1 times [2019-11-20 00:46:59,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:59,076 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774850773] [2019-11-20 00:46:59,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:59,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:46:59,125 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774850773] [2019-11-20 00:46:59,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:46:59,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 00:46:59,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880381179] [2019-11-20 00:46:59,127 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 00:46:59,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:46:59,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 00:46:59,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:46:59,128 INFO L87 Difference]: Start difference. First operand 110 states and 128 transitions. Second operand 4 states. [2019-11-20 00:46:59,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:46:59,248 INFO L93 Difference]: Finished difference Result 181 states and 208 transitions. [2019-11-20 00:46:59,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 00:46:59,249 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-20 00:46:59,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:46:59,251 INFO L225 Difference]: With dead ends: 181 [2019-11-20 00:46:59,251 INFO L226 Difference]: Without dead ends: 177 [2019-11-20 00:46:59,252 INFO L630 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 [2019-11-20 00:46:59,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2019-11-20 00:46:59,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 111. [2019-11-20 00:46:59,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-20 00:46:59,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 130 transitions. [2019-11-20 00:46:59,267 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 130 transitions. Word has length 9 [2019-11-20 00:46:59,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:46:59,267 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 130 transitions. [2019-11-20 00:46:59,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 00:46:59,267 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2019-11-20 00:46:59,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 00:46:59,268 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:46:59,272 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:46:59,273 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 00:46:59,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:59,274 INFO L82 PathProgramCache]: Analyzing trace with hash 615806736, now seen corresponding path program 1 times [2019-11-20 00:46:59,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:59,275 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007309529] [2019-11-20 00:46:59,275 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:59,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:46:59,352 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007309529] [2019-11-20 00:46:59,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:46:59,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 00:46:59,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833486167] [2019-11-20 00:46:59,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 00:46:59,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:46:59,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 00:46:59,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 00:46:59,353 INFO L87 Difference]: Start difference. First operand 111 states and 130 transitions. Second operand 3 states. [2019-11-20 00:46:59,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:46:59,438 INFO L93 Difference]: Finished difference Result 175 states and 200 transitions. [2019-11-20 00:46:59,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 00:46:59,439 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-11-20 00:46:59,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:46:59,442 INFO L225 Difference]: With dead ends: 175 [2019-11-20 00:46:59,443 INFO L226 Difference]: Without dead ends: 173 [2019-11-20 00:46:59,444 INFO L630 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 [2019-11-20 00:46:59,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-11-20 00:46:59,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 109. [2019-11-20 00:46:59,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-20 00:46:59,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 128 transitions. [2019-11-20 00:46:59,459 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 128 transitions. Word has length 10 [2019-11-20 00:46:59,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:46:59,459 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 128 transitions. [2019-11-20 00:46:59,459 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 00:46:59,459 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 128 transitions. [2019-11-20 00:46:59,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 00:46:59,460 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:46:59,461 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:46:59,461 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 00:46:59,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:59,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1497311933, now seen corresponding path program 1 times [2019-11-20 00:46:59,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:59,462 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537374007] [2019-11-20 00:46:59,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:59,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:46:59,513 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537374007] [2019-11-20 00:46:59,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:46:59,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 00:46:59,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388541265] [2019-11-20 00:46:59,514 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 00:46:59,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:46:59,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 00:46:59,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:46:59,515 INFO L87 Difference]: Start difference. First operand 109 states and 128 transitions. Second operand 4 states. [2019-11-20 00:46:59,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:46:59,606 INFO L93 Difference]: Finished difference Result 179 states and 205 transitions. [2019-11-20 00:46:59,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 00:46:59,607 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-20 00:46:59,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:46:59,609 INFO L225 Difference]: With dead ends: 179 [2019-11-20 00:46:59,609 INFO L226 Difference]: Without dead ends: 177 [2019-11-20 00:46:59,610 INFO L630 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 [2019-11-20 00:46:59,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2019-11-20 00:46:59,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 111. [2019-11-20 00:46:59,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-20 00:46:59,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 130 transitions. [2019-11-20 00:46:59,621 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 130 transitions. Word has length 11 [2019-11-20 00:46:59,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:46:59,621 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 130 transitions. [2019-11-20 00:46:59,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 00:46:59,622 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2019-11-20 00:46:59,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 00:46:59,623 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:46:59,623 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:46:59,624 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 00:46:59,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:59,624 INFO L82 PathProgramCache]: Analyzing trace with hash -832741477, now seen corresponding path program 1 times [2019-11-20 00:46:59,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:59,625 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759891671] [2019-11-20 00:46:59,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:59,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:46:59,671 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759891671] [2019-11-20 00:46:59,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:46:59,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 00:46:59,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211516575] [2019-11-20 00:46:59,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 00:46:59,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:46:59,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 00:46:59,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:46:59,673 INFO L87 Difference]: Start difference. First operand 111 states and 130 transitions. Second operand 4 states. [2019-11-20 00:46:59,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:46:59,757 INFO L93 Difference]: Finished difference Result 182 states and 210 transitions. [2019-11-20 00:46:59,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 00:46:59,758 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-11-20 00:46:59,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:46:59,760 INFO L225 Difference]: With dead ends: 182 [2019-11-20 00:46:59,760 INFO L226 Difference]: Without dead ends: 180 [2019-11-20 00:46:59,761 INFO L630 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 [2019-11-20 00:46:59,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2019-11-20 00:46:59,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 114. [2019-11-20 00:46:59,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-20 00:46:59,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 134 transitions. [2019-11-20 00:46:59,786 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 134 transitions. Word has length 12 [2019-11-20 00:46:59,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:46:59,786 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 134 transitions. [2019-11-20 00:46:59,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 00:46:59,787 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 134 transitions. [2019-11-20 00:46:59,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 00:46:59,789 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:46:59,790 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:46:59,795 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 00:46:59,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:59,798 INFO L82 PathProgramCache]: Analyzing trace with hash 952355221, now seen corresponding path program 1 times [2019-11-20 00:46:59,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:59,799 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765050638] [2019-11-20 00:46:59,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:59,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:46:59,861 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765050638] [2019-11-20 00:46:59,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:46:59,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 00:46:59,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168252423] [2019-11-20 00:46:59,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 00:46:59,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:46:59,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 00:46:59,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:46:59,862 INFO L87 Difference]: Start difference. First operand 114 states and 134 transitions. Second operand 4 states. [2019-11-20 00:46:59,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:46:59,984 INFO L93 Difference]: Finished difference Result 250 states and 284 transitions. [2019-11-20 00:46:59,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 00:46:59,985 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-11-20 00:46:59,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:46:59,987 INFO L225 Difference]: With dead ends: 250 [2019-11-20 00:46:59,987 INFO L226 Difference]: Without dead ends: 248 [2019-11-20 00:46:59,988 INFO L630 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 [2019-11-20 00:46:59,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2019-11-20 00:46:59,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 113. [2019-11-20 00:46:59,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-20 00:46:59,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 133 transitions. [2019-11-20 00:47:00,000 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 133 transitions. Word has length 14 [2019-11-20 00:47:00,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:47:00,000 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 133 transitions. [2019-11-20 00:47:00,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 00:47:00,001 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2019-11-20 00:47:00,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 00:47:00,007 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:47:00,007 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:47:00,008 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 00:47:00,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:47:00,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1259484934, now seen corresponding path program 1 times [2019-11-20 00:47:00,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:47:00,010 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615180629] [2019-11-20 00:47:00,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:47:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:47:00,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:47:00,237 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615180629] [2019-11-20 00:47:00,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:47:00,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-20 00:47:00,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725850932] [2019-11-20 00:47:00,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 00:47:00,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:47:00,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 00:47:00,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-20 00:47:00,239 INFO L87 Difference]: Start difference. First operand 113 states and 133 transitions. Second operand 8 states. [2019-11-20 00:47:00,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:47:00,687 INFO L93 Difference]: Finished difference Result 279 states and 325 transitions. [2019-11-20 00:47:00,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-20 00:47:00,688 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2019-11-20 00:47:00,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:47:00,689 INFO L225 Difference]: With dead ends: 279 [2019-11-20 00:47:00,689 INFO L226 Difference]: Without dead ends: 205 [2019-11-20 00:47:00,690 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2019-11-20 00:47:00,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2019-11-20 00:47:00,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 164. [2019-11-20 00:47:00,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-20 00:47:00,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 199 transitions. [2019-11-20 00:47:00,706 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 199 transitions. Word has length 14 [2019-11-20 00:47:00,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:47:00,706 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 199 transitions. [2019-11-20 00:47:00,706 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 00:47:00,706 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 199 transitions. [2019-11-20 00:47:00,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 00:47:00,708 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:47:00,708 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:47:00,708 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 00:47:00,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:47:00,709 INFO L82 PathProgramCache]: Analyzing trace with hash -513187613, now seen corresponding path program 1 times [2019-11-20 00:47:00,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:47:00,709 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532714915] [2019-11-20 00:47:00,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:47:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:47:00,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:47:00,770 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532714915] [2019-11-20 00:47:00,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:47:00,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 00:47:00,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142814797] [2019-11-20 00:47:00,771 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 00:47:00,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:47:00,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 00:47:00,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:47:00,772 INFO L87 Difference]: Start difference. First operand 164 states and 199 transitions. Second operand 4 states. [2019-11-20 00:47:00,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:47:00,859 INFO L93 Difference]: Finished difference Result 259 states and 308 transitions. [2019-11-20 00:47:00,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 00:47:00,860 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-11-20 00:47:00,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:47:00,862 INFO L225 Difference]: With dead ends: 259 [2019-11-20 00:47:00,862 INFO L226 Difference]: Without dead ends: 257 [2019-11-20 00:47:00,862 INFO L630 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 [2019-11-20 00:47:00,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2019-11-20 00:47:00,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 156. [2019-11-20 00:47:00,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-11-20 00:47:00,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 189 transitions. [2019-11-20 00:47:00,874 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 189 transitions. Word has length 14 [2019-11-20 00:47:00,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:47:00,875 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 189 transitions. [2019-11-20 00:47:00,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 00:47:00,875 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 189 transitions. [2019-11-20 00:47:00,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 00:47:00,876 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:47:00,877 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:47:00,877 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 00:47:00,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:47:00,878 INFO L82 PathProgramCache]: Analyzing trace with hash 2134556229, now seen corresponding path program 1 times [2019-11-20 00:47:00,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:47:00,878 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308785488] [2019-11-20 00:47:00,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:47:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:47:00,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:47:00,933 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308785488] [2019-11-20 00:47:00,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:47:00,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 00:47:00,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971767178] [2019-11-20 00:47:00,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 00:47:00,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:47:00,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 00:47:00,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:47:00,935 INFO L87 Difference]: Start difference. First operand 156 states and 189 transitions. Second operand 4 states. [2019-11-20 00:47:01,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:47:01,046 INFO L93 Difference]: Finished difference Result 286 states and 336 transitions. [2019-11-20 00:47:01,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 00:47:01,046 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-11-20 00:47:01,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:47:01,049 INFO L225 Difference]: With dead ends: 286 [2019-11-20 00:47:01,049 INFO L226 Difference]: Without dead ends: 284 [2019-11-20 00:47:01,050 INFO L630 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 [2019-11-20 00:47:01,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2019-11-20 00:47:01,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 142. [2019-11-20 00:47:01,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-20 00:47:01,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 171 transitions. [2019-11-20 00:47:01,069 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 171 transitions. Word has length 15 [2019-11-20 00:47:01,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:47:01,070 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 171 transitions. [2019-11-20 00:47:01,070 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 00:47:01,070 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 171 transitions. [2019-11-20 00:47:01,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 00:47:01,072 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:47:01,072 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:47:01,073 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 00:47:01,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:47:01,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1435914485, now seen corresponding path program 1 times [2019-11-20 00:47:01,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:47:01,074 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117632914] [2019-11-20 00:47:01,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:47:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:47:01,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:47:01,266 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117632914] [2019-11-20 00:47:01,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:47:01,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 00:47:01,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985779406] [2019-11-20 00:47:01,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 00:47:01,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:47:01,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 00:47:01,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 00:47:01,267 INFO L87 Difference]: Start difference. First operand 142 states and 171 transitions. Second operand 6 states. [2019-11-20 00:47:01,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:47:01,481 INFO L93 Difference]: Finished difference Result 259 states and 305 transitions. [2019-11-20 00:47:01,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 00:47:01,481 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2019-11-20 00:47:01,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:47:01,484 INFO L225 Difference]: With dead ends: 259 [2019-11-20 00:47:01,484 INFO L226 Difference]: Without dead ends: 258 [2019-11-20 00:47:01,484 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-11-20 00:47:01,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2019-11-20 00:47:01,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 158. [2019-11-20 00:47:01,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-11-20 00:47:01,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 190 transitions. [2019-11-20 00:47:01,503 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 190 transitions. Word has length 20 [2019-11-20 00:47:01,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:47:01,503 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 190 transitions. [2019-11-20 00:47:01,503 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 00:47:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 190 transitions. [2019-11-20 00:47:01,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 00:47:01,505 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:47:01,505 INFO L410 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] [2019-11-20 00:47:01,505 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 00:47:01,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:47:01,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1764776175, now seen corresponding path program 1 times [2019-11-20 00:47:01,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:47:01,506 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553209892] [2019-11-20 00:47:01,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:47:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:47:01,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:47:01,678 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553209892] [2019-11-20 00:47:01,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:47:01,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 00:47:01,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706797297] [2019-11-20 00:47:01,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 00:47:01,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:47:01,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 00:47:01,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-20 00:47:01,680 INFO L87 Difference]: Start difference. First operand 158 states and 190 transitions. Second operand 8 states. [2019-11-20 00:47:02,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:47:02,371 INFO L93 Difference]: Finished difference Result 540 states and 619 transitions. [2019-11-20 00:47:02,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-20 00:47:02,372 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-11-20 00:47:02,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:47:02,377 INFO L225 Difference]: With dead ends: 540 [2019-11-20 00:47:02,377 INFO L226 Difference]: Without dead ends: 508 [2019-11-20 00:47:02,380 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2019-11-20 00:47:02,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2019-11-20 00:47:02,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 227. [2019-11-20 00:47:02,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2019-11-20 00:47:02,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 282 transitions. [2019-11-20 00:47:02,410 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 282 transitions. Word has length 22 [2019-11-20 00:47:02,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:47:02,411 INFO L462 AbstractCegarLoop]: Abstraction has 227 states and 282 transitions. [2019-11-20 00:47:02,411 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 00:47:02,411 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 282 transitions. [2019-11-20 00:47:02,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 00:47:02,412 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:47:02,412 INFO L410 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] [2019-11-20 00:47:02,413 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 00:47:02,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:47:02,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1764835757, now seen corresponding path program 1 times [2019-11-20 00:47:02,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:47:02,414 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585693350] [2019-11-20 00:47:02,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:47:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:47:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:47:02,613 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585693350] [2019-11-20 00:47:02,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:47:02,614 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 00:47:02,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19109345] [2019-11-20 00:47:02,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 00:47:02,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:47:02,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 00:47:02,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-20 00:47:02,615 INFO L87 Difference]: Start difference. First operand 227 states and 282 transitions. Second operand 8 states. [2019-11-20 00:47:02,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:47:02,913 INFO L93 Difference]: Finished difference Result 297 states and 355 transitions. [2019-11-20 00:47:02,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 00:47:02,914 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-11-20 00:47:02,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:47:02,916 INFO L225 Difference]: With dead ends: 297 [2019-11-20 00:47:02,916 INFO L226 Difference]: Without dead ends: 296 [2019-11-20 00:47:02,917 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2019-11-20 00:47:02,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2019-11-20 00:47:02,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 236. [2019-11-20 00:47:02,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-11-20 00:47:02,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 293 transitions. [2019-11-20 00:47:02,941 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 293 transitions. Word has length 22 [2019-11-20 00:47:02,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:47:02,941 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 293 transitions. [2019-11-20 00:47:02,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 00:47:02,941 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 293 transitions. [2019-11-20 00:47:02,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 00:47:02,942 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:47:02,942 INFO L410 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] [2019-11-20 00:47:02,943 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 00:47:02,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:47:02,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1229309041, now seen corresponding path program 1 times [2019-11-20 00:47:02,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:47:02,944 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432286549] [2019-11-20 00:47:02,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:47:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:47:03,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:47:03,223 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432286549] [2019-11-20 00:47:03,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:47:03,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 00:47:03,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302161909] [2019-11-20 00:47:03,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 00:47:03,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:47:03,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 00:47:03,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-20 00:47:03,225 INFO L87 Difference]: Start difference. First operand 236 states and 293 transitions. Second operand 8 states. [2019-11-20 00:47:03,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:47:03,902 INFO L93 Difference]: Finished difference Result 450 states and 547 transitions. [2019-11-20 00:47:03,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 00:47:03,902 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-11-20 00:47:03,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:47:03,906 INFO L225 Difference]: With dead ends: 450 [2019-11-20 00:47:03,906 INFO L226 Difference]: Without dead ends: 447 [2019-11-20 00:47:03,906 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-11-20 00:47:03,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-11-20 00:47:03,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 275. [2019-11-20 00:47:03,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2019-11-20 00:47:03,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 342 transitions. [2019-11-20 00:47:03,934 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 342 transitions. Word has length 22 [2019-11-20 00:47:03,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:47:03,936 INFO L462 AbstractCegarLoop]: Abstraction has 275 states and 342 transitions. [2019-11-20 00:47:03,936 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 00:47:03,937 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 342 transitions. [2019-11-20 00:47:03,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 00:47:03,938 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:47:03,938 INFO L410 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] [2019-11-20 00:47:03,938 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 00:47:03,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:47:03,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1239889621, now seen corresponding path program 1 times [2019-11-20 00:47:03,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:47:03,940 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321663146] [2019-11-20 00:47:03,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:47:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:47:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:47:04,125 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321663146] [2019-11-20 00:47:04,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:47:04,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-20 00:47:04,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724102541] [2019-11-20 00:47:04,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 00:47:04,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:47:04,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 00:47:04,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-20 00:47:04,126 INFO L87 Difference]: Start difference. First operand 275 states and 342 transitions. Second operand 8 states. [2019-11-20 00:47:04,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:47:04,393 INFO L93 Difference]: Finished difference Result 315 states and 375 transitions. [2019-11-20 00:47:04,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 00:47:04,394 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-11-20 00:47:04,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:47:04,396 INFO L225 Difference]: With dead ends: 315 [2019-11-20 00:47:04,396 INFO L226 Difference]: Without dead ends: 247 [2019-11-20 00:47:04,399 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-11-20 00:47:04,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-11-20 00:47:04,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 214. [2019-11-20 00:47:04,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2019-11-20 00:47:04,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 266 transitions. [2019-11-20 00:47:04,421 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 266 transitions. Word has length 22 [2019-11-20 00:47:04,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:47:04,421 INFO L462 AbstractCegarLoop]: Abstraction has 214 states and 266 transitions. [2019-11-20 00:47:04,422 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 00:47:04,422 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 266 transitions. [2019-11-20 00:47:04,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 00:47:04,424 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:47:04,424 INFO L410 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] [2019-11-20 00:47:04,425 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 00:47:04,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:47:04,425 INFO L82 PathProgramCache]: Analyzing trace with hash -793996475, now seen corresponding path program 1 times [2019-11-20 00:47:04,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:47:04,426 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231977029] [2019-11-20 00:47:04,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:47:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:47:04,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:47:04,566 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231977029] [2019-11-20 00:47:04,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:47:04,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-20 00:47:04,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695065614] [2019-11-20 00:47:04,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 00:47:04,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:47:04,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 00:47:04,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-20 00:47:04,567 INFO L87 Difference]: Start difference. First operand 214 states and 266 transitions. Second operand 8 states. [2019-11-20 00:47:04,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:47:04,911 INFO L93 Difference]: Finished difference Result 274 states and 326 transitions. [2019-11-20 00:47:04,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 00:47:04,912 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-11-20 00:47:04,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:47:04,914 INFO L225 Difference]: With dead ends: 274 [2019-11-20 00:47:04,914 INFO L226 Difference]: Without dead ends: 243 [2019-11-20 00:47:04,915 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2019-11-20 00:47:04,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-11-20 00:47:04,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 214. [2019-11-20 00:47:04,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2019-11-20 00:47:04,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 264 transitions. [2019-11-20 00:47:04,936 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 264 transitions. Word has length 24 [2019-11-20 00:47:04,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:47:04,936 INFO L462 AbstractCegarLoop]: Abstraction has 214 states and 264 transitions. [2019-11-20 00:47:04,936 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 00:47:04,936 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 264 transitions. [2019-11-20 00:47:04,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 00:47:04,939 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:47:04,940 INFO L410 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] [2019-11-20 00:47:04,940 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 00:47:04,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:47:04,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1968302766, now seen corresponding path program 1 times [2019-11-20 00:47:04,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:47:04,941 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706690100] [2019-11-20 00:47:04,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:47:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:47:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:47:05,209 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706690100] [2019-11-20 00:47:05,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:47:05,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 00:47:05,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191857531] [2019-11-20 00:47:05,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 00:47:05,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:47:05,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 00:47:05,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-20 00:47:05,211 INFO L87 Difference]: Start difference. First operand 214 states and 264 transitions. Second operand 8 states. [2019-11-20 00:47:05,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:47:05,770 INFO L93 Difference]: Finished difference Result 321 states and 389 transitions. [2019-11-20 00:47:05,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 00:47:05,771 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-11-20 00:47:05,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:47:05,774 INFO L225 Difference]: With dead ends: 321 [2019-11-20 00:47:05,774 INFO L226 Difference]: Without dead ends: 320 [2019-11-20 00:47:05,775 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-11-20 00:47:05,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2019-11-20 00:47:05,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 214. [2019-11-20 00:47:05,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2019-11-20 00:47:05,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 263 transitions. [2019-11-20 00:47:05,802 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 263 transitions. Word has length 24 [2019-11-20 00:47:05,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:47:05,803 INFO L462 AbstractCegarLoop]: Abstraction has 214 states and 263 transitions. [2019-11-20 00:47:05,803 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 00:47:05,803 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 263 transitions. [2019-11-20 00:47:05,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 00:47:05,804 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:47:05,804 INFO L410 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] [2019-11-20 00:47:05,805 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 00:47:05,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:47:05,805 INFO L82 PathProgramCache]: Analyzing trace with hash -339645636, now seen corresponding path program 1 times [2019-11-20 00:47:05,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:47:05,806 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599568850] [2019-11-20 00:47:05,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:47:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:47:05,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:47:05,973 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599568850] [2019-11-20 00:47:05,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:47:05,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 00:47:05,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915399514] [2019-11-20 00:47:05,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 00:47:05,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:47:05,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 00:47:05,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-20 00:47:05,975 INFO L87 Difference]: Start difference. First operand 214 states and 263 transitions. Second operand 8 states. [2019-11-20 00:47:06,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:47:06,628 INFO L93 Difference]: Finished difference Result 468 states and 516 transitions. [2019-11-20 00:47:06,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-20 00:47:06,629 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-11-20 00:47:06,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:47:06,632 INFO L225 Difference]: With dead ends: 468 [2019-11-20 00:47:06,632 INFO L226 Difference]: Without dead ends: 401 [2019-11-20 00:47:06,634 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2019-11-20 00:47:06,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2019-11-20 00:47:06,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 211. [2019-11-20 00:47:06,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2019-11-20 00:47:06,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 256 transitions. [2019-11-20 00:47:06,654 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 256 transitions. Word has length 24 [2019-11-20 00:47:06,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:47:06,655 INFO L462 AbstractCegarLoop]: Abstraction has 211 states and 256 transitions. [2019-11-20 00:47:06,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 00:47:06,655 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 256 transitions. [2019-11-20 00:47:06,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 00:47:06,656 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:47:06,656 INFO L410 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] [2019-11-20 00:47:06,656 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 00:47:06,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:47:06,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1530835845, now seen corresponding path program 1 times [2019-11-20 00:47:06,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:47:06,659 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333626682] [2019-11-20 00:47:06,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:47:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:47:06,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:47:06,803 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333626682] [2019-11-20 00:47:06,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:47:06,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-20 00:47:06,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483945685] [2019-11-20 00:47:06,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 00:47:06,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:47:06,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 00:47:06,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-20 00:47:06,805 INFO L87 Difference]: Start difference. First operand 211 states and 256 transitions. Second operand 8 states. [2019-11-20 00:47:07,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:47:07,071 INFO L93 Difference]: Finished difference Result 244 states and 289 transitions. [2019-11-20 00:47:07,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 00:47:07,072 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2019-11-20 00:47:07,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:47:07,074 INFO L225 Difference]: With dead ends: 244 [2019-11-20 00:47:07,074 INFO L226 Difference]: Without dead ends: 198 [2019-11-20 00:47:07,074 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2019-11-20 00:47:07,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-11-20 00:47:07,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 194. [2019-11-20 00:47:07,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-20 00:47:07,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 235 transitions. [2019-11-20 00:47:07,091 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 235 transitions. Word has length 26 [2019-11-20 00:47:07,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:47:07,092 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 235 transitions. [2019-11-20 00:47:07,092 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 00:47:07,092 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 235 transitions. [2019-11-20 00:47:07,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 00:47:07,093 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:47:07,093 INFO L410 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] [2019-11-20 00:47:07,094 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 00:47:07,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:47:07,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1696098322, now seen corresponding path program 1 times [2019-11-20 00:47:07,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:47:07,095 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554381030] [2019-11-20 00:47:07,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:47:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:47:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:47:07,187 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:47:07,188 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 00:47:07,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:47:07 BoogieIcfgContainer [2019-11-20 00:47:07,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 00:47:07,241 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:47:07,241 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:47:07,241 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:47:07,242 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:46:58" (3/4) ... [2019-11-20 00:47:07,246 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 00:47:07,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:47:07,250 INFO L168 Benchmark]: Toolchain (without parser) took 10351.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.0 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -134.3 MB). Peak memory consumption was 48.6 MB. Max. memory is 11.5 GB. [2019-11-20 00:47:07,250 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:47:07,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -183.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-20 00:47:07,255 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.52 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 00:47:07,256 INFO L168 Benchmark]: Boogie Preprocessor took 40.24 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 00:47:07,256 INFO L168 Benchmark]: RCFGBuilder took 797.97 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2019-11-20 00:47:07,257 INFO L168 Benchmark]: TraceAbstraction took 8896.06 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -1.8 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2019-11-20 00:47:07,257 INFO L168 Benchmark]: Witness Printer took 5.68 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. [2019-11-20 00:47:07,263 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 535.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -183.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.52 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.24 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 797.97 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8896.06 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -1.8 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.68 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: 102]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 100, overapproximation of bitwiseAnd at line 101. Possible FailurePath: [L216] unsigned int a ; [L217] unsigned int ma = __VERIFIER_nondet_uint(); [L218] signed char ea = __VERIFIER_nondet_char(); [L219] unsigned int b ; [L220] unsigned int mb = __VERIFIER_nondet_uint(); [L221] signed char eb = __VERIFIER_nondet_char(); [L222] unsigned int r_add1 ; [L223] unsigned int r_add2 ; [L224] unsigned int zero ; [L225] int tmp ; [L226] int tmp___0 ; [L227] int __retres14 ; [L15] unsigned int res ; [L16] unsigned int __retres4 ; [L19] COND TRUE ! m [L20] __retres4 = 0U [L70] return (__retres4); [L231] zero = base2flt(0, 0) [L15] unsigned int res ; [L16] unsigned int __retres4 ; [L19] COND FALSE !(! m) [L25] COND FALSE !(m < 1U << 24U) [L47] COND TRUE 1 [L49] COND FALSE !(m >= 1U << 25U) [L66] m = m & ~ (1U << 24U) [L67] EXPR e + 128 [L67] res = m | ((unsigned int )(e + 128) << 24U) [L68] __retres4 = res [L70] return (__retres4); [L232] a = base2flt(ma, ea) [L15] unsigned int res ; [L16] unsigned int __retres4 ; [L19] COND FALSE !(! m) [L25] COND FALSE !(m < 1U << 24U) [L47] COND TRUE 1 [L49] COND TRUE m >= 1U << 25U [L54] COND TRUE e >= 127 [L55] __retres4 = 4294967295U [L70] return (__retres4); [L233] b = base2flt(mb, eb) [L74] unsigned int res ; [L75] unsigned int ma ; [L76] unsigned int mb ; [L77] unsigned int delta ; [L78] int ea ; [L79] int eb ; [L80] unsigned int tmp ; [L81] unsigned int __retres10 ; [L84] COND TRUE a < b [L85] tmp = a [L86] a = b [L87] b = tmp [L91] COND FALSE !(! b) [L98] ma = a & ((1U << 24U) - 1U) [L99] EXPR (int )(a >> 24U) - 128 [L99] ea = (int )(a >> 24U) - 128 [L100] ma = ma | (1U << 24U) [L101] mb = b & ((1U << 24U) - 1U) [L102] (int )(b >> 24U) - 128 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 152 locations, 38 error locations. Result: UNSAFE, OverallTime: 8.8s, OverallIterations: 20, TraceHistogramMax: 2, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2923 SDtfs, 3887 SDslu, 7545 SDs, 0 SdLazy, 1873 SolverSat, 209 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 23 SyntacticMatches, 3 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=275occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 19 MinimizatonAttempts, 1720 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 343 NumberOfCodeBlocks, 343 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 298 ConstructedInterpolants, 0 QuantifiedInterpolants, 26586 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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...