./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f6baf6e4-166d-4e17-a538-b44999573036/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f6baf6e4-166d-4e17-a538-b44999573036/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f6baf6e4-166d-4e17-a538-b44999573036/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f6baf6e4-166d-4e17-a538-b44999573036/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-2a.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f6baf6e4-166d-4e17-a538-b44999573036/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f6baf6e4-166d-4e17-a538-b44999573036/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 94419cb5ed7b14b2ed497048686126b88cc40ca2 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_f6baf6e4-166d-4e17-a538-b44999573036/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 0.1.25-f470102 [2019-12-07 15:52:30,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:52:30,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:52:30,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:52:30,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:52:30,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:52:30,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:52:30,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:52:30,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:52:30,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:52:30,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:52:30,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:52:30,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:52:30,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:52:30,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:52:30,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:52:30,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:52:30,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:52:30,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:52:30,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:52:30,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:52:30,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:52:30,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:52:30,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:52:30,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:52:30,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:52:30,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:52:30,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:52:30,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:52:30,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:52:30,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:52:30,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:52:30,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:52:30,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:52:30,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:52:30,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:52:30,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:52:30,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:52:30,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:52:30,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:52:30,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:52:30,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f6baf6e4-166d-4e17-a538-b44999573036/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-12-07 15:52:30,052 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:52:30,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:52:30,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:52:30,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:52:30,053 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:52:30,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:52:30,053 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:52:30,053 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:52:30,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:52:30,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:52:30,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:52:30,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:52:30,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:52:30,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:52:30,054 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-07 15:52:30,054 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:52:30,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:52:30,055 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:52:30,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:52:30,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:52:30,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:52:30,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:52:30,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:52:30,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:52:30,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:52:30,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:52:30,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:52:30,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:52:30,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:52:30,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:52:30,056 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:52:30,056 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_f6baf6e4-166d-4e17-a538-b44999573036/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 -> 94419cb5ed7b14b2ed497048686126b88cc40ca2 [2019-12-07 15:52:30,156 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:52:30,166 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:52:30,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:52:30,170 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:52:30,170 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:52:30,170 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f6baf6e4-166d-4e17-a538-b44999573036/bin/uautomizer/../../sv-benchmarks/c/bitvector/soft_float_4-2a.c.cil.c [2019-12-07 15:52:30,210 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f6baf6e4-166d-4e17-a538-b44999573036/bin/uautomizer/data/59652c722/4cc21262a61441b6a1453f3f95db55e9/FLAG7c2498e23 [2019-12-07 15:52:30,534 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:52:30,535 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f6baf6e4-166d-4e17-a538-b44999573036/sv-benchmarks/c/bitvector/soft_float_4-2a.c.cil.c [2019-12-07 15:52:30,540 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f6baf6e4-166d-4e17-a538-b44999573036/bin/uautomizer/data/59652c722/4cc21262a61441b6a1453f3f95db55e9/FLAG7c2498e23 [2019-12-07 15:52:30,548 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f6baf6e4-166d-4e17-a538-b44999573036/bin/uautomizer/data/59652c722/4cc21262a61441b6a1453f3f95db55e9 [2019-12-07 15:52:30,550 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:52:30,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:52:30,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:52:30,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:52:30,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:52:30,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:52:30" (1/1) ... [2019-12-07 15:52:30,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c490de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:30, skipping insertion in model container [2019-12-07 15:52:30,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:52:30" (1/1) ... [2019-12-07 15:52:30,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:52:30,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:52:30,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:52:30,751 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:52:30,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:52:30,786 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:52:30,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:30 WrapperNode [2019-12-07 15:52:30,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:52:30,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:52:30,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:52:30,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:52:30,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:30" (1/1) ... [2019-12-07 15:52:30,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:30" (1/1) ... [2019-12-07 15:52:30,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:52:30,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:52:30,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:52:30,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:52:30,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:30" (1/1) ... [2019-12-07 15:52:30,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:30" (1/1) ... [2019-12-07 15:52:30,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:30" (1/1) ... [2019-12-07 15:52:30,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:30" (1/1) ... [2019-12-07 15:52:30,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:30" (1/1) ... [2019-12-07 15:52:30,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:30" (1/1) ... [2019-12-07 15:52:30,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:30" (1/1) ... [2019-12-07 15:52:30,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:52:30,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:52:30,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:52:30,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:52:30,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f6baf6e4-166d-4e17-a538-b44999573036/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 [2019-12-07 15:52:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:52:30,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:52:31,208 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:52:31,208 INFO L287 CfgBuilder]: Removed 30 assume(true) statements. [2019-12-07 15:52:31,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:52:31 BoogieIcfgContainer [2019-12-07 15:52:31,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:52:31,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:52:31,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:52:31,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:52:31,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:52:30" (1/3) ... [2019-12-07 15:52:31,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed0250f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:52:31, skipping insertion in model container [2019-12-07 15:52:31,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:30" (2/3) ... [2019-12-07 15:52:31,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed0250f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:52:31, skipping insertion in model container [2019-12-07 15:52:31,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:52:31" (3/3) ... [2019-12-07 15:52:31,214 INFO L109 eAbstractionObserver]: Analyzing ICFG soft_float_4-2a.c.cil.c [2019-12-07 15:52:31,220 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:52:31,224 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 38 error locations. [2019-12-07 15:52:31,232 INFO L249 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2019-12-07 15:52:31,249 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:52:31,249 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:52:31,249 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:52:31,249 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:52:31,249 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:52:31,249 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:52:31,249 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:52:31,249 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:52:31,266 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2019-12-07 15:52:31,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 15:52:31,269 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:31,270 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 15:52:31,271 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]=== [2019-12-07 15:52:31,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:31,274 INFO L82 PathProgramCache]: Analyzing trace with hash 922901410, now seen corresponding path program 1 times [2019-12-07 15:52:31,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:31,281 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464181709] [2019-12-07 15:52:31,281 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:31,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:31,359 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464181709] [2019-12-07 15:52:31,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:31,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:52:31,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913595668] [2019-12-07 15:52:31,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:52:31,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:31,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:52:31,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:52:31,374 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2019-12-07 15:52:31,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:52:31,394 INFO L93 Difference]: Finished difference Result 271 states and 357 transitions. [2019-12-07 15:52:31,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:52:31,395 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-12-07 15:52:31,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:52:31,403 INFO L225 Difference]: With dead ends: 271 [2019-12-07 15:52:31,403 INFO L226 Difference]: Without dead ends: 126 [2019-12-07 15:52:31,406 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 [2019-12-07 15:52:31,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-12-07 15:52:31,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2019-12-07 15:52:31,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-12-07 15:52:31,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 150 transitions. [2019-12-07 15:52:31,435 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 150 transitions. Word has length 6 [2019-12-07 15:52:31,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:52:31,435 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 150 transitions. [2019-12-07 15:52:31,435 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:52:31,435 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 150 transitions. [2019-12-07 15:52:31,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 15:52:31,436 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:31,436 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 15:52:31,436 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]=== [2019-12-07 15:52:31,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:31,436 INFO L82 PathProgramCache]: Analyzing trace with hash 921960144, now seen corresponding path program 1 times [2019-12-07 15:52:31,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:31,436 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693405637] [2019-12-07 15:52:31,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:31,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:31,473 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693405637] [2019-12-07 15:52:31,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:31,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:52:31,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215004830] [2019-12-07 15:52:31,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:52:31,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:31,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:52:31,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:52:31,475 INFO L87 Difference]: Start difference. First operand 126 states and 150 transitions. Second operand 4 states. [2019-12-07 15:52:31,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:52:31,561 INFO L93 Difference]: Finished difference Result 290 states and 338 transitions. [2019-12-07 15:52:31,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:52:31,561 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-12-07 15:52:31,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:52:31,563 INFO L225 Difference]: With dead ends: 290 [2019-12-07 15:52:31,563 INFO L226 Difference]: Without dead ends: 166 [2019-12-07 15:52:31,564 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 [2019-12-07 15:52:31,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2019-12-07 15:52:31,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 106. [2019-12-07 15:52:31,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-12-07 15:52:31,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 124 transitions. [2019-12-07 15:52:31,572 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 124 transitions. Word has length 6 [2019-12-07 15:52:31,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:52:31,572 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 124 transitions. [2019-12-07 15:52:31,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:52:31,572 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2019-12-07 15:52:31,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 15:52:31,573 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:31,573 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:52:31,573 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]=== [2019-12-07 15:52:31,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:31,573 INFO L82 PathProgramCache]: Analyzing trace with hash -118682603, now seen corresponding path program 1 times [2019-12-07 15:52:31,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:31,574 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923768493] [2019-12-07 15:52:31,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:31,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:31,598 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923768493] [2019-12-07 15:52:31,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:31,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:52:31,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379052848] [2019-12-07 15:52:31,599 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:52:31,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:31,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:52:31,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:52:31,599 INFO L87 Difference]: Start difference. First operand 106 states and 124 transitions. Second operand 4 states. [2019-12-07 15:52:31,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:52:31,646 INFO L93 Difference]: Finished difference Result 173 states and 200 transitions. [2019-12-07 15:52:31,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:52:31,647 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-12-07 15:52:31,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:52:31,648 INFO L225 Difference]: With dead ends: 173 [2019-12-07 15:52:31,649 INFO L226 Difference]: Without dead ends: 169 [2019-12-07 15:52:31,649 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 [2019-12-07 15:52:31,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-12-07 15:52:31,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 107. [2019-12-07 15:52:31,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-12-07 15:52:31,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 126 transitions. [2019-12-07 15:52:31,659 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 126 transitions. Word has length 9 [2019-12-07 15:52:31,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:52:31,659 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 126 transitions. [2019-12-07 15:52:31,660 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:52:31,660 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 126 transitions. [2019-12-07 15:52:31,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 15:52:31,660 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:31,660 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:52:31,660 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]=== [2019-12-07 15:52:31,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:31,661 INFO L82 PathProgramCache]: Analyzing trace with hash 615806736, now seen corresponding path program 1 times [2019-12-07 15:52:31,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:31,661 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025871323] [2019-12-07 15:52:31,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:31,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:31,679 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025871323] [2019-12-07 15:52:31,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:31,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:52:31,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698998435] [2019-12-07 15:52:31,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:52:31,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:31,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:52:31,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:52:31,681 INFO L87 Difference]: Start difference. First operand 107 states and 126 transitions. Second operand 3 states. [2019-12-07 15:52:31,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:52:31,715 INFO L93 Difference]: Finished difference Result 167 states and 192 transitions. [2019-12-07 15:52:31,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:52:31,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-07 15:52:31,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:52:31,716 INFO L225 Difference]: With dead ends: 167 [2019-12-07 15:52:31,717 INFO L226 Difference]: Without dead ends: 165 [2019-12-07 15:52:31,717 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 [2019-12-07 15:52:31,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-12-07 15:52:31,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 105. [2019-12-07 15:52:31,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-12-07 15:52:31,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2019-12-07 15:52:31,724 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 10 [2019-12-07 15:52:31,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:52:31,724 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2019-12-07 15:52:31,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:52:31,725 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2019-12-07 15:52:31,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 15:52:31,725 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:31,725 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:52:31,725 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]=== [2019-12-07 15:52:31,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:31,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1497311933, now seen corresponding path program 1 times [2019-12-07 15:52:31,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:31,726 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407812417] [2019-12-07 15:52:31,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:31,748 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407812417] [2019-12-07 15:52:31,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:31,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:52:31,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931024340] [2019-12-07 15:52:31,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:52:31,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:31,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:52:31,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:52:31,749 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand 4 states. [2019-12-07 15:52:31,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:52:31,794 INFO L93 Difference]: Finished difference Result 171 states and 197 transitions. [2019-12-07 15:52:31,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:52:31,794 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-07 15:52:31,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:52:31,795 INFO L225 Difference]: With dead ends: 171 [2019-12-07 15:52:31,795 INFO L226 Difference]: Without dead ends: 169 [2019-12-07 15:52:31,796 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 [2019-12-07 15:52:31,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-12-07 15:52:31,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 107. [2019-12-07 15:52:31,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-12-07 15:52:31,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 126 transitions. [2019-12-07 15:52:31,802 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 126 transitions. Word has length 11 [2019-12-07 15:52:31,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:52:31,802 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 126 transitions. [2019-12-07 15:52:31,802 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:52:31,803 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 126 transitions. [2019-12-07 15:52:31,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 15:52:31,803 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:31,803 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:52:31,804 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]=== [2019-12-07 15:52:31,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:31,804 INFO L82 PathProgramCache]: Analyzing trace with hash -832741477, now seen corresponding path program 1 times [2019-12-07 15:52:31,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:31,804 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103582607] [2019-12-07 15:52:31,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:31,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:31,825 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103582607] [2019-12-07 15:52:31,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:31,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:52:31,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702848773] [2019-12-07 15:52:31,826 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:52:31,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:31,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:52:31,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:52:31,827 INFO L87 Difference]: Start difference. First operand 107 states and 126 transitions. Second operand 4 states. [2019-12-07 15:52:31,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:52:31,867 INFO L93 Difference]: Finished difference Result 174 states and 202 transitions. [2019-12-07 15:52:31,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:52:31,868 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-07 15:52:31,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:52:31,869 INFO L225 Difference]: With dead ends: 174 [2019-12-07 15:52:31,869 INFO L226 Difference]: Without dead ends: 172 [2019-12-07 15:52:31,869 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 [2019-12-07 15:52:31,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-12-07 15:52:31,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 110. [2019-12-07 15:52:31,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-07 15:52:31,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 130 transitions. [2019-12-07 15:52:31,875 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 130 transitions. Word has length 12 [2019-12-07 15:52:31,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:52:31,875 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 130 transitions. [2019-12-07 15:52:31,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:52:31,875 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 130 transitions. [2019-12-07 15:52:31,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 15:52:31,876 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:31,876 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:52:31,876 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]=== [2019-12-07 15:52:31,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:31,877 INFO L82 PathProgramCache]: Analyzing trace with hash 952355221, now seen corresponding path program 1 times [2019-12-07 15:52:31,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:31,877 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189226319] [2019-12-07 15:52:31,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:31,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:31,896 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189226319] [2019-12-07 15:52:31,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:31,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:52:31,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184562376] [2019-12-07 15:52:31,897 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:52:31,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:31,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:52:31,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:52:31,898 INFO L87 Difference]: Start difference. First operand 110 states and 130 transitions. Second operand 4 states. [2019-12-07 15:52:31,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:52:31,954 INFO L93 Difference]: Finished difference Result 238 states and 272 transitions. [2019-12-07 15:52:31,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:52:31,954 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-07 15:52:31,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:52:31,956 INFO L225 Difference]: With dead ends: 238 [2019-12-07 15:52:31,956 INFO L226 Difference]: Without dead ends: 236 [2019-12-07 15:52:31,956 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 [2019-12-07 15:52:31,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-12-07 15:52:31,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 109. [2019-12-07 15:52:31,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-12-07 15:52:31,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 129 transitions. [2019-12-07 15:52:31,962 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 129 transitions. Word has length 14 [2019-12-07 15:52:31,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:52:31,962 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 129 transitions. [2019-12-07 15:52:31,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:52:31,963 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 129 transitions. [2019-12-07 15:52:31,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 15:52:31,963 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:31,963 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:52:31,964 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]=== [2019-12-07 15:52:31,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:31,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1259484934, now seen corresponding path program 1 times [2019-12-07 15:52:31,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:31,964 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212679346] [2019-12-07 15:52:31,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:32,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:32,052 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212679346] [2019-12-07 15:52:32,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:32,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 15:52:32,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817397341] [2019-12-07 15:52:32,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 15:52:32,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:32,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 15:52:32,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:52:32,054 INFO L87 Difference]: Start difference. First operand 109 states and 129 transitions. Second operand 8 states. [2019-12-07 15:52:32,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:52:32,299 INFO L93 Difference]: Finished difference Result 267 states and 313 transitions. [2019-12-07 15:52:32,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-12-07 15:52:32,300 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2019-12-07 15:52:32,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:52:32,301 INFO L225 Difference]: With dead ends: 267 [2019-12-07 15:52:32,301 INFO L226 Difference]: Without dead ends: 197 [2019-12-07 15:52:32,302 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2019-12-07 15:52:32,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-12-07 15:52:32,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 158. [2019-12-07 15:52:32,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-12-07 15:52:32,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 193 transitions. [2019-12-07 15:52:32,310 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 193 transitions. Word has length 14 [2019-12-07 15:52:32,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:52:32,310 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 193 transitions. [2019-12-07 15:52:32,310 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 15:52:32,310 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 193 transitions. [2019-12-07 15:52:32,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 15:52:32,311 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:32,311 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:52:32,311 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]=== [2019-12-07 15:52:32,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:32,312 INFO L82 PathProgramCache]: Analyzing trace with hash -513187613, now seen corresponding path program 1 times [2019-12-07 15:52:32,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:32,312 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416285381] [2019-12-07 15:52:32,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:32,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:32,332 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416285381] [2019-12-07 15:52:32,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:32,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:52:32,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193737468] [2019-12-07 15:52:32,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:52:32,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:32,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:52:32,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:52:32,333 INFO L87 Difference]: Start difference. First operand 158 states and 193 transitions. Second operand 4 states. [2019-12-07 15:52:32,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:52:32,380 INFO L93 Difference]: Finished difference Result 247 states and 296 transitions. [2019-12-07 15:52:32,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:52:32,380 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-07 15:52:32,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:52:32,382 INFO L225 Difference]: With dead ends: 247 [2019-12-07 15:52:32,382 INFO L226 Difference]: Without dead ends: 245 [2019-12-07 15:52:32,383 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 [2019-12-07 15:52:32,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2019-12-07 15:52:32,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 150. [2019-12-07 15:52:32,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-12-07 15:52:32,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 183 transitions. [2019-12-07 15:52:32,393 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 183 transitions. Word has length 14 [2019-12-07 15:52:32,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:52:32,393 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 183 transitions. [2019-12-07 15:52:32,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:52:32,393 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 183 transitions. [2019-12-07 15:52:32,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 15:52:32,394 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:32,394 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:52:32,394 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]=== [2019-12-07 15:52:32,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:32,395 INFO L82 PathProgramCache]: Analyzing trace with hash 2134556229, now seen corresponding path program 1 times [2019-12-07 15:52:32,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:32,395 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117744683] [2019-12-07 15:52:32,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:32,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:32,413 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117744683] [2019-12-07 15:52:32,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:32,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:52:32,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548295254] [2019-12-07 15:52:32,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:52:32,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:32,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:52:32,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:52:32,414 INFO L87 Difference]: Start difference. First operand 150 states and 183 transitions. Second operand 4 states. [2019-12-07 15:52:32,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:52:32,461 INFO L93 Difference]: Finished difference Result 272 states and 322 transitions. [2019-12-07 15:52:32,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:52:32,461 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-12-07 15:52:32,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:52:32,463 INFO L225 Difference]: With dead ends: 272 [2019-12-07 15:52:32,463 INFO L226 Difference]: Without dead ends: 270 [2019-12-07 15:52:32,464 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 [2019-12-07 15:52:32,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-12-07 15:52:32,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 136. [2019-12-07 15:52:32,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-12-07 15:52:32,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 165 transitions. [2019-12-07 15:52:32,473 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 165 transitions. Word has length 15 [2019-12-07 15:52:32,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:52:32,473 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 165 transitions. [2019-12-07 15:52:32,474 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:52:32,474 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 165 transitions. [2019-12-07 15:52:32,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 15:52:32,474 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:32,475 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] [2019-12-07 15:52:32,475 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]=== [2019-12-07 15:52:32,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:32,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1435914485, now seen corresponding path program 1 times [2019-12-07 15:52:32,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:32,476 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17595707] [2019-12-07 15:52:32,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:32,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:32,562 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17595707] [2019-12-07 15:52:32,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:32,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 15:52:32,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101911204] [2019-12-07 15:52:32,563 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:52:32,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:32,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:52:32,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:52:32,563 INFO L87 Difference]: Start difference. First operand 136 states and 165 transitions. Second operand 6 states. [2019-12-07 15:52:32,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:52:32,680 INFO L93 Difference]: Finished difference Result 245 states and 291 transitions. [2019-12-07 15:52:32,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:52:32,681 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2019-12-07 15:52:32,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:52:32,683 INFO L225 Difference]: With dead ends: 245 [2019-12-07 15:52:32,683 INFO L226 Difference]: Without dead ends: 244 [2019-12-07 15:52:32,683 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:52:32,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2019-12-07 15:52:32,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 152. [2019-12-07 15:52:32,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-12-07 15:52:32,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 184 transitions. [2019-12-07 15:52:32,695 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 184 transitions. Word has length 20 [2019-12-07 15:52:32,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:52:32,695 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 184 transitions. [2019-12-07 15:52:32,695 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:52:32,695 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 184 transitions. [2019-12-07 15:52:32,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 15:52:32,696 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:32,696 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] [2019-12-07 15:52:32,697 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]=== [2019-12-07 15:52:32,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:32,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1468941615, now seen corresponding path program 1 times [2019-12-07 15:52:32,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:32,697 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626907915] [2019-12-07 15:52:32,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:32,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:32,808 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626907915] [2019-12-07 15:52:32,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:32,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 15:52:32,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331237738] [2019-12-07 15:52:32,808 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 15:52:32,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:32,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 15:52:32,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-12-07 15:52:32,809 INFO L87 Difference]: Start difference. First operand 152 states and 184 transitions. Second operand 9 states. [2019-12-07 15:52:33,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:52:33,131 INFO L93 Difference]: Finished difference Result 478 states and 553 transitions. [2019-12-07 15:52:33,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-07 15:52:33,131 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-12-07 15:52:33,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:52:33,134 INFO L225 Difference]: With dead ends: 478 [2019-12-07 15:52:33,134 INFO L226 Difference]: Without dead ends: 423 [2019-12-07 15:52:33,135 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2019-12-07 15:52:33,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2019-12-07 15:52:33,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 216. [2019-12-07 15:52:33,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-12-07 15:52:33,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 267 transitions. [2019-12-07 15:52:33,150 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 267 transitions. Word has length 22 [2019-12-07 15:52:33,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:52:33,151 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 267 transitions. [2019-12-07 15:52:33,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 15:52:33,151 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 267 transitions. [2019-12-07 15:52:33,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 15:52:33,152 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:33,152 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] [2019-12-07 15:52:33,152 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]=== [2019-12-07 15:52:33,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:33,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1469001197, now seen corresponding path program 1 times [2019-12-07 15:52:33,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:33,153 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474815446] [2019-12-07 15:52:33,153 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:33,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:33,255 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474815446] [2019-12-07 15:52:33,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:33,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 15:52:33,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547211188] [2019-12-07 15:52:33,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 15:52:33,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:33,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 15:52:33,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:52:33,256 INFO L87 Difference]: Start difference. First operand 216 states and 267 transitions. Second operand 8 states. [2019-12-07 15:52:33,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:52:33,441 INFO L93 Difference]: Finished difference Result 286 states and 340 transitions. [2019-12-07 15:52:33,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 15:52:33,441 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-12-07 15:52:33,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:52:33,442 INFO L225 Difference]: With dead ends: 286 [2019-12-07 15:52:33,442 INFO L226 Difference]: Without dead ends: 285 [2019-12-07 15:52:33,443 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-12-07 15:52:33,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2019-12-07 15:52:33,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 225. [2019-12-07 15:52:33,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-12-07 15:52:33,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 278 transitions. [2019-12-07 15:52:33,453 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 278 transitions. Word has length 22 [2019-12-07 15:52:33,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:52:33,454 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 278 transitions. [2019-12-07 15:52:33,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 15:52:33,454 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 278 transitions. [2019-12-07 15:52:33,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 15:52:33,454 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:33,454 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] [2019-12-07 15:52:33,454 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]=== [2019-12-07 15:52:33,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:33,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1229309041, now seen corresponding path program 1 times [2019-12-07 15:52:33,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:33,455 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522171257] [2019-12-07 15:52:33,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:33,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:33,589 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522171257] [2019-12-07 15:52:33,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:33,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 15:52:33,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590058898] [2019-12-07 15:52:33,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 15:52:33,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:33,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 15:52:33,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:52:33,590 INFO L87 Difference]: Start difference. First operand 225 states and 278 transitions. Second operand 8 states. [2019-12-07 15:52:33,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:52:33,956 INFO L93 Difference]: Finished difference Result 400 states and 480 transitions. [2019-12-07 15:52:33,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 15:52:33,956 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-12-07 15:52:33,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:52:33,958 INFO L225 Difference]: With dead ends: 400 [2019-12-07 15:52:33,958 INFO L226 Difference]: Without dead ends: 397 [2019-12-07 15:52:33,958 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-12-07 15:52:33,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-12-07 15:52:33,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 258. [2019-12-07 15:52:33,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2019-12-07 15:52:33,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 321 transitions. [2019-12-07 15:52:33,970 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 321 transitions. Word has length 22 [2019-12-07 15:52:33,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:52:33,971 INFO L462 AbstractCegarLoop]: Abstraction has 258 states and 321 transitions. [2019-12-07 15:52:33,971 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 15:52:33,971 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 321 transitions. [2019-12-07 15:52:33,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 15:52:33,971 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:33,971 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] [2019-12-07 15:52:33,972 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]=== [2019-12-07 15:52:33,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:33,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1239889621, now seen corresponding path program 1 times [2019-12-07 15:52:33,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:33,972 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202128314] [2019-12-07 15:52:33,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:34,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:34,054 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202128314] [2019-12-07 15:52:34,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:34,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 15:52:34,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816889772] [2019-12-07 15:52:34,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 15:52:34,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:34,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 15:52:34,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:52:34,055 INFO L87 Difference]: Start difference. First operand 258 states and 321 transitions. Second operand 8 states. [2019-12-07 15:52:34,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:52:34,183 INFO L93 Difference]: Finished difference Result 296 states and 352 transitions. [2019-12-07 15:52:34,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 15:52:34,184 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-12-07 15:52:34,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:52:34,185 INFO L225 Difference]: With dead ends: 296 [2019-12-07 15:52:34,185 INFO L226 Difference]: Without dead ends: 232 [2019-12-07 15:52:34,185 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-12-07 15:52:34,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2019-12-07 15:52:34,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 201. [2019-12-07 15:52:34,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2019-12-07 15:52:34,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 249 transitions. [2019-12-07 15:52:34,194 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 249 transitions. Word has length 22 [2019-12-07 15:52:34,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:52:34,194 INFO L462 AbstractCegarLoop]: Abstraction has 201 states and 249 transitions. [2019-12-07 15:52:34,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 15:52:34,194 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 249 transitions. [2019-12-07 15:52:34,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 15:52:34,195 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:34,195 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] [2019-12-07 15:52:34,195 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]=== [2019-12-07 15:52:34,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:34,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1089831035, now seen corresponding path program 1 times [2019-12-07 15:52:34,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:34,195 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769700625] [2019-12-07 15:52:34,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:34,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:34,245 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769700625] [2019-12-07 15:52:34,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:34,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 15:52:34,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711161709] [2019-12-07 15:52:34,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 15:52:34,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:34,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 15:52:34,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:52:34,246 INFO L87 Difference]: Start difference. First operand 201 states and 249 transitions. Second operand 8 states. [2019-12-07 15:52:34,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:52:34,394 INFO L93 Difference]: Finished difference Result 237 states and 285 transitions. [2019-12-07 15:52:34,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 15:52:34,394 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-12-07 15:52:34,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:52:34,395 INFO L225 Difference]: With dead ends: 237 [2019-12-07 15:52:34,395 INFO L226 Difference]: Without dead ends: 188 [2019-12-07 15:52:34,396 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2019-12-07 15:52:34,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-12-07 15:52:34,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 184. [2019-12-07 15:52:34,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-12-07 15:52:34,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 226 transitions. [2019-12-07 15:52:34,403 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 226 transitions. Word has length 24 [2019-12-07 15:52:34,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:52:34,403 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 226 transitions. [2019-12-07 15:52:34,403 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 15:52:34,403 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 226 transitions. [2019-12-07 15:52:34,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 15:52:34,404 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:34,404 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] [2019-12-07 15:52:34,404 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]=== [2019-12-07 15:52:34,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:34,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1968302766, now seen corresponding path program 1 times [2019-12-07 15:52:34,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:34,404 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499917667] [2019-12-07 15:52:34,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:34,699 WARN L192 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 22 [2019-12-07 15:52:34,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:34,738 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499917667] [2019-12-07 15:52:34,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:34,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 15:52:34,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808677466] [2019-12-07 15:52:34,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 15:52:34,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:34,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 15:52:34,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:52:34,739 INFO L87 Difference]: Start difference. First operand 184 states and 226 transitions. Second operand 8 states. [2019-12-07 15:52:35,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:52:35,028 INFO L93 Difference]: Finished difference Result 265 states and 314 transitions. [2019-12-07 15:52:35,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 15:52:35,029 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-12-07 15:52:35,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:52:35,030 INFO L225 Difference]: With dead ends: 265 [2019-12-07 15:52:35,030 INFO L226 Difference]: Without dead ends: 264 [2019-12-07 15:52:35,031 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-12-07 15:52:35,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-12-07 15:52:35,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 184. [2019-12-07 15:52:35,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-12-07 15:52:35,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 225 transitions. [2019-12-07 15:52:35,040 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 225 transitions. Word has length 24 [2019-12-07 15:52:35,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:52:35,040 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 225 transitions. [2019-12-07 15:52:35,040 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 15:52:35,040 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 225 transitions. [2019-12-07 15:52:35,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 15:52:35,040 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:52:35,040 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] [2019-12-07 15:52:35,041 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]=== [2019-12-07 15:52:35,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:35,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1696098322, now seen corresponding path program 1 times [2019-12-07 15:52:35,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:35,041 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654071690] [2019-12-07 15:52:35,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:52:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:52:35,076 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:52:35,076 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 15:52:35,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:52:35 BoogieIcfgContainer [2019-12-07 15:52:35,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:52:35,096 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:52:35,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:52:35,096 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:52:35,097 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:52:31" (3/4) ... [2019-12-07 15:52:35,099 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 15:52:35,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:52:35,100 INFO L168 Benchmark]: Toolchain (without parser) took 4549.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 935.2 MB in the beginning and 883.5 MB in the end (delta: 51.7 MB). Peak memory consumption was 194.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:52:35,101 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:52:35,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-12-07 15:52:35,101 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:52:35,102 INFO L168 Benchmark]: Boogie Preprocessor took 24.11 ms. Allocated memory is still 1.1 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. [2019-12-07 15:52:35,102 INFO L168 Benchmark]: RCFGBuilder took 364.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.2 MB). Peak memory consumption was 42.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:52:35,102 INFO L168 Benchmark]: TraceAbstraction took 3886.65 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 43.5 MB). Free memory was 1.0 GB in the beginning and 883.5 MB in the end (delta: 159.3 MB). Peak memory consumption was 202.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:52:35,103 INFO L168 Benchmark]: Witness Printer took 3.13 ms. Allocated memory is still 1.2 GB. Free memory is still 883.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:52:35,105 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 235.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.11 ms. Allocated memory is still 1.1 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 364.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.2 MB). Peak memory consumption was 42.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3886.65 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 43.5 MB). Free memory was 1.0 GB in the beginning and 883.5 MB in the end (delta: 159.3 MB). Peak memory consumption was 202.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.13 ms. Allocated memory is still 1.2 GB. Free memory is still 883.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 103]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 101, overapproximation of bitwiseAnd at line 102. Possible FailurePath: [L217] unsigned int a ; [L218] unsigned int ma = __VERIFIER_nondet_uint(); [L219] signed char ea = __VERIFIER_nondet_char(); [L220] unsigned int b ; [L221] unsigned int mb = __VERIFIER_nondet_uint(); [L222] signed char eb = __VERIFIER_nondet_char(); [L223] unsigned int r_add1 ; [L224] unsigned int r_add2 ; [L225] unsigned int zero ; [L226] int tmp ; [L227] int tmp___0 ; [L228] int __retres14 ; [L16] unsigned int res ; [L17] unsigned int __retres4 ; [L20] COND TRUE ! m [L21] __retres4 = 0U [L71] return (__retres4); [L232] zero = base2flt(0, 0) [L16] unsigned int res ; [L17] unsigned int __retres4 ; [L20] COND FALSE !(! m) [L26] COND FALSE !(m < 1U << 24U) [L48] COND TRUE 1 [L50] COND FALSE !(m >= 1U << 25U) [L67] m = m & ~ (1U << 24U) [L68] EXPR e + 128 [L68] res = m | ((unsigned int )(e + 128) << 24U) [L69] __retres4 = res [L71] return (__retres4); [L233] a = base2flt(ma, ea) [L16] unsigned int res ; [L17] unsigned int __retres4 ; [L20] COND FALSE !(! m) [L26] COND FALSE !(m < 1U << 24U) [L48] COND TRUE 1 [L50] COND TRUE m >= 1U << 25U [L55] COND TRUE e >= 127 [L56] __retres4 = 4294967295U [L71] return (__retres4); [L234] b = base2flt(mb, eb) [L75] unsigned int res ; [L76] unsigned int ma ; [L77] unsigned int mb ; [L78] unsigned int delta ; [L79] int ea ; [L80] int eb ; [L81] unsigned int tmp ; [L82] unsigned int __retres10 ; [L85] COND TRUE a < b [L86] tmp = a [L87] a = b [L88] b = tmp [L92] COND FALSE !(! b) [L99] ma = a & ((1U << 24U) - 1U) [L100] EXPR (int )(a >> 24U) - 128 [L100] ea = (int )(a >> 24U) - 128 [L101] ma = ma | (1U << 24U) [L102] mb = b & ((1U << 24U) - 1U) [L103] (int )(b >> 24U) - 128 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 146 locations, 38 error locations. Result: UNSAFE, OverallTime: 3.8s, OverallIterations: 18, TraceHistogramMax: 2, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2467 SDtfs, 3174 SDslu, 5632 SDs, 0 SdLazy, 1577 SolverSat, 187 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=258occurred 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: 0.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 1314 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 22248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...