./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_41ee5cb9-cbf2-4c4e-a1c9-7af2950e030f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_41ee5cb9-cbf2-4c4e-a1c9-7af2950e030f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_41ee5cb9-cbf2-4c4e-a1c9-7af2950e030f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_41ee5cb9-cbf2-4c4e-a1c9-7af2950e030f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_41ee5cb9-cbf2-4c4e-a1c9-7af2950e030f/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_41ee5cb9-cbf2-4c4e-a1c9-7af2950e030f/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa5701cbf2aecb18d72b6e5744b88307065d31ab ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_41ee5cb9-cbf2-4c4e-a1c9-7af2950e030f/bin/uautomizer/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:05:48,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:05:48,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:05:48,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:05:48,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:05:48,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:05:48,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:05:48,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:05:48,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:05:48,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:05:48,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:05:48,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:05:48,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:05:48,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:05:48,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:05:48,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:05:48,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:05:48,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:05:48,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:05:48,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:05:48,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:05:48,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:05:48,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:05:48,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:05:48,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:05:48,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:05:48,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:05:48,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:05:48,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:05:48,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:05:48,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:05:48,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:05:48,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:05:48,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:05:48,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:05:48,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:05:48,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:05:48,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:05:48,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:05:48,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:05:48,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:05:48,618 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_41ee5cb9-cbf2-4c4e-a1c9-7af2950e030f/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-15 22:05:48,633 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:05:48,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:05:48,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:05:48,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:05:48,635 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:05:48,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:05:48,635 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:05:48,636 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:05:48,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:05:48,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:05:48,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:05:48,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:05:48,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:05:48,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:05:48,637 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-15 22:05:48,638 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:05:48,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:05:48,638 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:05:48,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:05:48,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:05:48,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:05:48,639 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:05:48,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:05:48,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:05:48,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:05:48,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:05:48,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:05:48,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:05:48,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:05:48,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:05:48,642 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_41ee5cb9-cbf2-4c4e-a1c9-7af2950e030f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa5701cbf2aecb18d72b6e5744b88307065d31ab [2019-11-15 22:05:48,672 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:05:48,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:05:48,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:05:48,687 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:05:48,688 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:05:48,689 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_41ee5cb9-cbf2-4c4e-a1c9-7af2950e030f/bin/uautomizer/../../sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c [2019-11-15 22:05:48,750 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_41ee5cb9-cbf2-4c4e-a1c9-7af2950e030f/bin/uautomizer/data/cbcbe8215/1d6b4d93f5b5492db925829941d567c0/FLAG71212a3f9 [2019-11-15 22:05:49,158 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:05:49,158 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_41ee5cb9-cbf2-4c4e-a1c9-7af2950e030f/sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c [2019-11-15 22:05:49,169 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_41ee5cb9-cbf2-4c4e-a1c9-7af2950e030f/bin/uautomizer/data/cbcbe8215/1d6b4d93f5b5492db925829941d567c0/FLAG71212a3f9 [2019-11-15 22:05:49,506 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_41ee5cb9-cbf2-4c4e-a1c9-7af2950e030f/bin/uautomizer/data/cbcbe8215/1d6b4d93f5b5492db925829941d567c0 [2019-11-15 22:05:49,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:05:49,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:05:49,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:05:49,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:05:49,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:05:49,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:05:49" (1/1) ... [2019-11-15 22:05:49,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c123861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:05:49, skipping insertion in model container [2019-11-15 22:05:49,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:05:49" (1/1) ... [2019-11-15 22:05:49,529 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:05:49,569 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:05:49,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:05:49,858 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:05:49,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:05:49,939 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:05:49,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:05:49 WrapperNode [2019-11-15 22:05:49,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:05:49,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:05:49,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:05:49,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:05:49,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:05:49" (1/1) ... [2019-11-15 22:05:49,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:05:49" (1/1) ... [2019-11-15 22:05:49,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:05:50,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:05:50,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:05:50,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:05:50,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:05:49" (1/1) ... [2019-11-15 22:05:50,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:05:49" (1/1) ... [2019-11-15 22:05:50,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:05:49" (1/1) ... [2019-11-15 22:05:50,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:05:49" (1/1) ... [2019-11-15 22:05:50,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:05:49" (1/1) ... [2019-11-15 22:05:50,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:05:49" (1/1) ... [2019-11-15 22:05:50,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:05:49" (1/1) ... [2019-11-15 22:05:50,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:05:50,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:05:50,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:05:50,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:05:50,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:05:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_41ee5cb9-cbf2-4c4e-a1c9-7af2950e030f/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:05:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:05:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:05:50,862 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:05:50,863 INFO L284 CfgBuilder]: Removed 34 assume(true) statements. [2019-11-15 22:05:50,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:05:50 BoogieIcfgContainer [2019-11-15 22:05:50,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:05:50,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:05:50,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:05:50,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:05:50,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:05:49" (1/3) ... [2019-11-15 22:05:50,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad96cf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:05:50, skipping insertion in model container [2019-11-15 22:05:50,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:05:49" (2/3) ... [2019-11-15 22:05:50,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad96cf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:05:50, skipping insertion in model container [2019-11-15 22:05:50,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:05:50" (3/3) ... [2019-11-15 22:05:50,874 INFO L109 eAbstractionObserver]: Analyzing ICFG soft_float_4-3a.c.cil.c [2019-11-15 22:05:50,884 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:05:50,892 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 38 error locations. [2019-11-15 22:05:50,902 INFO L249 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2019-11-15 22:05:50,927 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:05:50,927 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:05:50,927 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:05:50,927 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:05:50,927 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:05:50,928 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:05:50,928 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:05:50,928 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:05:50,952 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2019-11-15 22:05:50,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-15 22:05:50,959 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:05:50,960 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-15 22:05:50,967 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 22:05:50,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:05:50,975 INFO L82 PathProgramCache]: Analyzing trace with hash 922901410, now seen corresponding path program 1 times [2019-11-15 22:05:50,985 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:05:50,986 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444001981] [2019-11-15 22:05:50,986 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:50,987 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:50,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:05:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:05:51,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:05:51,113 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444001981] [2019-11-15 22:05:51,114 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:05:51,114 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 22:05:51,115 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323337785] [2019-11-15 22:05:51,120 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 22:05:51,121 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:05:51,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 22:05:51,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 22:05:51,138 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2019-11-15 22:05:51,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:05:51,200 INFO L93 Difference]: Finished difference Result 283 states and 373 transitions. [2019-11-15 22:05:51,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 22:05:51,202 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-11-15 22:05:51,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:05:51,216 INFO L225 Difference]: With dead ends: 283 [2019-11-15 22:05:51,216 INFO L226 Difference]: Without dead ends: 130 [2019-11-15 22:05:51,220 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 22:05:51,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-11-15 22:05:51,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2019-11-15 22:05:51,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-11-15 22:05:51,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 154 transitions. [2019-11-15 22:05:51,261 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 154 transitions. Word has length 6 [2019-11-15 22:05:51,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:05:51,261 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 154 transitions. [2019-11-15 22:05:51,261 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 22:05:51,262 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2019-11-15 22:05:51,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-15 22:05:51,262 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:05:51,262 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-15 22:05:51,264 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 22:05:51,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:05:51,264 INFO L82 PathProgramCache]: Analyzing trace with hash 921960144, now seen corresponding path program 1 times [2019-11-15 22:05:51,264 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:05:51,264 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963766285] [2019-11-15 22:05:51,265 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:51,265 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:51,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:05:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:05:51,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:05:51,331 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963766285] [2019-11-15 22:05:51,331 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:05:51,332 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 22:05:51,332 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715607821] [2019-11-15 22:05:51,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:05:51,334 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:05:51,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:05:51,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:05:51,334 INFO L87 Difference]: Start difference. First operand 130 states and 154 transitions. Second operand 4 states. [2019-11-15 22:05:51,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:05:51,525 INFO L93 Difference]: Finished difference Result 302 states and 350 transitions. [2019-11-15 22:05:51,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:05:51,526 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-15 22:05:51,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:05:51,528 INFO L225 Difference]: With dead ends: 302 [2019-11-15 22:05:51,528 INFO L226 Difference]: Without dead ends: 174 [2019-11-15 22:05:51,530 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:05:51,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2019-11-15 22:05:51,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 110. [2019-11-15 22:05:51,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-15 22:05:51,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 128 transitions. [2019-11-15 22:05:51,542 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 128 transitions. Word has length 6 [2019-11-15 22:05:51,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:05:51,542 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 128 transitions. [2019-11-15 22:05:51,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:05:51,543 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 128 transitions. [2019-11-15 22:05:51,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 22:05:51,543 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:05:51,544 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:05:51,545 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 22:05:51,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:05:51,545 INFO L82 PathProgramCache]: Analyzing trace with hash -118682603, now seen corresponding path program 1 times [2019-11-15 22:05:51,545 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:05:51,546 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362706980] [2019-11-15 22:05:51,546 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:51,546 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:51,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:05:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:05:51,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:05:51,599 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362706980] [2019-11-15 22:05:51,599 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:05:51,599 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 22:05:51,599 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389418689] [2019-11-15 22:05:51,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:05:51,600 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:05:51,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:05:51,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:05:51,601 INFO L87 Difference]: Start difference. First operand 110 states and 128 transitions. Second operand 4 states. [2019-11-15 22:05:51,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:05:51,694 INFO L93 Difference]: Finished difference Result 181 states and 208 transitions. [2019-11-15 22:05:51,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:05:51,695 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-15 22:05:51,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:05:51,697 INFO L225 Difference]: With dead ends: 181 [2019-11-15 22:05:51,697 INFO L226 Difference]: Without dead ends: 177 [2019-11-15 22:05:51,698 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:05:51,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2019-11-15 22:05:51,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 111. [2019-11-15 22:05:51,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-15 22:05:51,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 130 transitions. [2019-11-15 22:05:51,712 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 130 transitions. Word has length 9 [2019-11-15 22:05:51,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:05:51,712 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 130 transitions. [2019-11-15 22:05:51,712 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:05:51,713 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2019-11-15 22:05:51,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 22:05:51,713 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:05:51,714 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:05:51,715 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 22:05:51,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:05:51,715 INFO L82 PathProgramCache]: Analyzing trace with hash 615806736, now seen corresponding path program 1 times [2019-11-15 22:05:51,715 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:05:51,715 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922278566] [2019-11-15 22:05:51,716 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:51,716 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:51,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:05:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:05:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:05:51,762 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922278566] [2019-11-15 22:05:51,762 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:05:51,762 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 22:05:51,763 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812979062] [2019-11-15 22:05:51,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:05:51,763 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:05:51,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:05:51,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:05:51,764 INFO L87 Difference]: Start difference. First operand 111 states and 130 transitions. Second operand 3 states. [2019-11-15 22:05:51,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:05:51,828 INFO L93 Difference]: Finished difference Result 175 states and 200 transitions. [2019-11-15 22:05:51,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:05:51,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-11-15 22:05:51,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:05:51,831 INFO L225 Difference]: With dead ends: 175 [2019-11-15 22:05:51,831 INFO L226 Difference]: Without dead ends: 173 [2019-11-15 22:05:51,832 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:05:51,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-11-15 22:05:51,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 109. [2019-11-15 22:05:51,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-15 22:05:51,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 128 transitions. [2019-11-15 22:05:51,845 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 128 transitions. Word has length 10 [2019-11-15 22:05:51,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:05:51,846 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 128 transitions. [2019-11-15 22:05:51,846 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:05:51,846 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 128 transitions. [2019-11-15 22:05:51,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 22:05:51,847 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:05:51,847 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:05:51,848 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 22:05:51,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:05:51,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1497311933, now seen corresponding path program 1 times [2019-11-15 22:05:51,849 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:05:51,849 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716772494] [2019-11-15 22:05:51,849 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:51,849 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:51,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:05:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:05:51,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:05:51,920 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716772494] [2019-11-15 22:05:51,920 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:05:51,920 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 22:05:51,920 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575531478] [2019-11-15 22:05:51,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:05:51,921 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:05:51,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:05:51,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:05:51,922 INFO L87 Difference]: Start difference. First operand 109 states and 128 transitions. Second operand 4 states. [2019-11-15 22:05:52,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:05:52,014 INFO L93 Difference]: Finished difference Result 179 states and 205 transitions. [2019-11-15 22:05:52,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:05:52,015 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-15 22:05:52,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:05:52,016 INFO L225 Difference]: With dead ends: 179 [2019-11-15 22:05:52,016 INFO L226 Difference]: Without dead ends: 177 [2019-11-15 22:05:52,017 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:05:52,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2019-11-15 22:05:52,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 111. [2019-11-15 22:05:52,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-15 22:05:52,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 130 transitions. [2019-11-15 22:05:52,048 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 130 transitions. Word has length 11 [2019-11-15 22:05:52,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:05:52,049 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 130 transitions. [2019-11-15 22:05:52,049 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:05:52,050 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2019-11-15 22:05:52,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-15 22:05:52,051 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:05:52,051 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:05:52,055 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 22:05:52,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:05:52,055 INFO L82 PathProgramCache]: Analyzing trace with hash -832741477, now seen corresponding path program 1 times [2019-11-15 22:05:52,056 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:05:52,056 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644003396] [2019-11-15 22:05:52,056 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:52,058 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:52,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:05:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:05:52,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:05:52,132 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644003396] [2019-11-15 22:05:52,133 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:05:52,133 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 22:05:52,133 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164808119] [2019-11-15 22:05:52,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:05:52,134 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:05:52,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:05:52,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:05:52,134 INFO L87 Difference]: Start difference. First operand 111 states and 130 transitions. Second operand 4 states. [2019-11-15 22:05:52,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:05:52,217 INFO L93 Difference]: Finished difference Result 182 states and 210 transitions. [2019-11-15 22:05:52,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:05:52,218 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-11-15 22:05:52,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:05:52,220 INFO L225 Difference]: With dead ends: 182 [2019-11-15 22:05:52,220 INFO L226 Difference]: Without dead ends: 180 [2019-11-15 22:05:52,222 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:05:52,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2019-11-15 22:05:52,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 114. [2019-11-15 22:05:52,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-15 22:05:52,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 134 transitions. [2019-11-15 22:05:52,236 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 134 transitions. Word has length 12 [2019-11-15 22:05:52,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:05:52,237 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 134 transitions. [2019-11-15 22:05:52,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:05:52,237 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 134 transitions. [2019-11-15 22:05:52,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-15 22:05:52,238 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:05:52,239 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:05:52,240 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 22:05:52,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:05:52,240 INFO L82 PathProgramCache]: Analyzing trace with hash 952355221, now seen corresponding path program 1 times [2019-11-15 22:05:52,241 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:05:52,241 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017400264] [2019-11-15 22:05:52,241 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:52,241 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:52,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:05:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:05:52,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:05:52,284 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017400264] [2019-11-15 22:05:52,284 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:05:52,284 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:05:52,285 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804012407] [2019-11-15 22:05:52,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:05:52,285 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:05:52,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:05:52,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:05:52,286 INFO L87 Difference]: Start difference. First operand 114 states and 134 transitions. Second operand 4 states. [2019-11-15 22:05:52,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:05:52,397 INFO L93 Difference]: Finished difference Result 250 states and 284 transitions. [2019-11-15 22:05:52,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:05:52,398 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-11-15 22:05:52,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:05:52,400 INFO L225 Difference]: With dead ends: 250 [2019-11-15 22:05:52,400 INFO L226 Difference]: Without dead ends: 248 [2019-11-15 22:05:52,401 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:05:52,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2019-11-15 22:05:52,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 113. [2019-11-15 22:05:52,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-15 22:05:52,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 133 transitions. [2019-11-15 22:05:52,415 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 133 transitions. Word has length 14 [2019-11-15 22:05:52,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:05:52,416 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 133 transitions. [2019-11-15 22:05:52,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:05:52,416 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2019-11-15 22:05:52,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-15 22:05:52,421 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:05:52,422 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:05:52,423 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 22:05:52,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:05:52,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1259484934, now seen corresponding path program 1 times [2019-11-15 22:05:52,424 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:05:52,424 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693252300] [2019-11-15 22:05:52,424 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:52,425 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:52,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:05:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:05:52,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:05:52,648 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693252300] [2019-11-15 22:05:52,648 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:05:52,648 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 22:05:52,648 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836151464] [2019-11-15 22:05:52,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:05:52,649 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:05:52,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:05:52,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:05:52,650 INFO L87 Difference]: Start difference. First operand 113 states and 133 transitions. Second operand 8 states. [2019-11-15 22:05:53,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:05:53,170 INFO L93 Difference]: Finished difference Result 279 states and 325 transitions. [2019-11-15 22:05:53,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-15 22:05:53,171 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2019-11-15 22:05:53,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:05:53,173 INFO L225 Difference]: With dead ends: 279 [2019-11-15 22:05:53,173 INFO L226 Difference]: Without dead ends: 205 [2019-11-15 22:05:53,175 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2019-11-15 22:05:53,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2019-11-15 22:05:53,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 164. [2019-11-15 22:05:53,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-15 22:05:53,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 199 transitions. [2019-11-15 22:05:53,192 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 199 transitions. Word has length 14 [2019-11-15 22:05:53,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:05:53,192 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 199 transitions. [2019-11-15 22:05:53,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:05:53,193 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 199 transitions. [2019-11-15 22:05:53,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-15 22:05:53,194 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:05:53,194 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:05:53,195 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 22:05:53,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:05:53,196 INFO L82 PathProgramCache]: Analyzing trace with hash -513187613, now seen corresponding path program 1 times [2019-11-15 22:05:53,196 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:05:53,196 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035907589] [2019-11-15 22:05:53,197 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:53,197 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:53,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:05:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:05:53,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:05:53,252 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035907589] [2019-11-15 22:05:53,253 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:05:53,253 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 22:05:53,253 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573123360] [2019-11-15 22:05:53,254 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:05:53,254 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:05:53,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:05:53,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:05:53,254 INFO L87 Difference]: Start difference. First operand 164 states and 199 transitions. Second operand 4 states. [2019-11-15 22:05:53,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:05:53,350 INFO L93 Difference]: Finished difference Result 259 states and 308 transitions. [2019-11-15 22:05:53,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:05:53,351 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-11-15 22:05:53,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:05:53,353 INFO L225 Difference]: With dead ends: 259 [2019-11-15 22:05:53,353 INFO L226 Difference]: Without dead ends: 257 [2019-11-15 22:05:53,354 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:05:53,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2019-11-15 22:05:53,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 156. [2019-11-15 22:05:53,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-11-15 22:05:53,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 189 transitions. [2019-11-15 22:05:53,366 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 189 transitions. Word has length 14 [2019-11-15 22:05:53,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:05:53,367 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 189 transitions. [2019-11-15 22:05:53,367 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:05:53,367 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 189 transitions. [2019-11-15 22:05:53,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-15 22:05:53,372 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:05:53,372 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:05:53,373 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 22:05:53,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:05:53,373 INFO L82 PathProgramCache]: Analyzing trace with hash 2134556229, now seen corresponding path program 1 times [2019-11-15 22:05:53,373 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:05:53,374 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066313543] [2019-11-15 22:05:53,374 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:53,374 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:53,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:05:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:05:53,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:05:53,438 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066313543] [2019-11-15 22:05:53,438 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:05:53,438 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:05:53,438 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781057248] [2019-11-15 22:05:53,439 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:05:53,439 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:05:53,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:05:53,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:05:53,440 INFO L87 Difference]: Start difference. First operand 156 states and 189 transitions. Second operand 4 states. [2019-11-15 22:05:53,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:05:53,531 INFO L93 Difference]: Finished difference Result 286 states and 336 transitions. [2019-11-15 22:05:53,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:05:53,531 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-11-15 22:05:53,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:05:53,533 INFO L225 Difference]: With dead ends: 286 [2019-11-15 22:05:53,533 INFO L226 Difference]: Without dead ends: 284 [2019-11-15 22:05:53,538 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:05:53,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2019-11-15 22:05:53,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 142. [2019-11-15 22:05:53,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-15 22:05:53,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 171 transitions. [2019-11-15 22:05:53,553 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 171 transitions. Word has length 15 [2019-11-15 22:05:53,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:05:53,553 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 171 transitions. [2019-11-15 22:05:53,553 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:05:53,553 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 171 transitions. [2019-11-15 22:05:53,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-15 22:05:53,554 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:05:53,555 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:05:53,559 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 22:05:53,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:05:53,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1435914485, now seen corresponding path program 1 times [2019-11-15 22:05:53,560 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:05:53,560 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512853554] [2019-11-15 22:05:53,560 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:53,560 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:53,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:05:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:05:53,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:05:53,733 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512853554] [2019-11-15 22:05:53,733 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:05:53,733 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:05:53,734 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061002663] [2019-11-15 22:05:53,734 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:05:53,734 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:05:53,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:05:53,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:05:53,735 INFO L87 Difference]: Start difference. First operand 142 states and 171 transitions. Second operand 6 states. [2019-11-15 22:05:53,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:05:53,952 INFO L93 Difference]: Finished difference Result 259 states and 305 transitions. [2019-11-15 22:05:53,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:05:53,952 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2019-11-15 22:05:53,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:05:53,955 INFO L225 Difference]: With dead ends: 259 [2019-11-15 22:05:53,955 INFO L226 Difference]: Without dead ends: 258 [2019-11-15 22:05:53,955 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:05:53,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2019-11-15 22:05:53,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 158. [2019-11-15 22:05:53,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-11-15 22:05:53,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 190 transitions. [2019-11-15 22:05:53,971 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 190 transitions. Word has length 20 [2019-11-15 22:05:53,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:05:53,971 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 190 transitions. [2019-11-15 22:05:53,971 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:05:53,972 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 190 transitions. [2019-11-15 22:05:53,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 22:05:53,972 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:05:53,973 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:05:53,973 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 22:05:53,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:05:53,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1764776175, now seen corresponding path program 1 times [2019-11-15 22:05:53,974 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:05:53,974 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308250277] [2019-11-15 22:05:53,974 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:53,974 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:53,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:05:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:05:54,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:05:54,165 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308250277] [2019-11-15 22:05:54,165 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:05:54,165 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:05:54,165 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900243531] [2019-11-15 22:05:54,166 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:05:54,166 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:05:54,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:05:54,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:05:54,167 INFO L87 Difference]: Start difference. First operand 158 states and 190 transitions. Second operand 8 states. [2019-11-15 22:05:54,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:05:54,915 INFO L93 Difference]: Finished difference Result 540 states and 619 transitions. [2019-11-15 22:05:54,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-15 22:05:54,916 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-11-15 22:05:54,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:05:54,922 INFO L225 Difference]: With dead ends: 540 [2019-11-15 22:05:54,922 INFO L226 Difference]: Without dead ends: 508 [2019-11-15 22:05:54,923 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2019-11-15 22:05:54,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2019-11-15 22:05:54,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 227. [2019-11-15 22:05:54,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2019-11-15 22:05:54,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 282 transitions. [2019-11-15 22:05:54,948 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 282 transitions. Word has length 22 [2019-11-15 22:05:54,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:05:54,949 INFO L462 AbstractCegarLoop]: Abstraction has 227 states and 282 transitions. [2019-11-15 22:05:54,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:05:54,949 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 282 transitions. [2019-11-15 22:05:54,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 22:05:54,950 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:05:54,950 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:05:54,951 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 22:05:54,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:05:54,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1764835757, now seen corresponding path program 1 times [2019-11-15 22:05:54,952 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:05:54,952 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727430867] [2019-11-15 22:05:54,952 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:54,953 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:54,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:05:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:05:55,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:05:55,137 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727430867] [2019-11-15 22:05:55,137 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:05:55,137 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:05:55,138 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702907685] [2019-11-15 22:05:55,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:05:55,138 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:05:55,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:05:55,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:05:55,139 INFO L87 Difference]: Start difference. First operand 227 states and 282 transitions. Second operand 8 states. [2019-11-15 22:05:55,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:05:55,428 INFO L93 Difference]: Finished difference Result 297 states and 355 transitions. [2019-11-15 22:05:55,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 22:05:55,430 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-11-15 22:05:55,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:05:55,433 INFO L225 Difference]: With dead ends: 297 [2019-11-15 22:05:55,433 INFO L226 Difference]: Without dead ends: 296 [2019-11-15 22:05:55,434 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2019-11-15 22:05:55,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2019-11-15 22:05:55,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 236. [2019-11-15 22:05:55,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-11-15 22:05:55,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 293 transitions. [2019-11-15 22:05:55,459 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 293 transitions. Word has length 22 [2019-11-15 22:05:55,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:05:55,459 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 293 transitions. [2019-11-15 22:05:55,459 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:05:55,460 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 293 transitions. [2019-11-15 22:05:55,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 22:05:55,461 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:05:55,461 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:05:55,462 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 22:05:55,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:05:55,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1229309041, now seen corresponding path program 1 times [2019-11-15 22:05:55,462 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:05:55,463 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298556096] [2019-11-15 22:05:55,463 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:55,463 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:55,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:05:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:05:55,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:05:55,725 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298556096] [2019-11-15 22:05:55,726 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:05:55,726 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:05:55,726 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632760105] [2019-11-15 22:05:55,726 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:05:55,726 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:05:55,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:05:55,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:05:55,727 INFO L87 Difference]: Start difference. First operand 236 states and 293 transitions. Second operand 8 states. [2019-11-15 22:05:56,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:05:56,397 INFO L93 Difference]: Finished difference Result 450 states and 547 transitions. [2019-11-15 22:05:56,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 22:05:56,398 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-11-15 22:05:56,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:05:56,401 INFO L225 Difference]: With dead ends: 450 [2019-11-15 22:05:56,401 INFO L226 Difference]: Without dead ends: 447 [2019-11-15 22:05:56,402 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-11-15 22:05:56,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-11-15 22:05:56,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 275. [2019-11-15 22:05:56,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2019-11-15 22:05:56,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 342 transitions. [2019-11-15 22:05:56,427 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 342 transitions. Word has length 22 [2019-11-15 22:05:56,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:05:56,427 INFO L462 AbstractCegarLoop]: Abstraction has 275 states and 342 transitions. [2019-11-15 22:05:56,427 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:05:56,427 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 342 transitions. [2019-11-15 22:05:56,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 22:05:56,428 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:05:56,429 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:05:56,429 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 22:05:56,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:05:56,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1239889621, now seen corresponding path program 1 times [2019-11-15 22:05:56,430 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:05:56,430 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252259024] [2019-11-15 22:05:56,430 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:56,430 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:56,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:05:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:05:56,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:05:56,584 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252259024] [2019-11-15 22:05:56,584 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:05:56,585 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 22:05:56,585 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529686739] [2019-11-15 22:05:56,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:05:56,585 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:05:56,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:05:56,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:05:56,586 INFO L87 Difference]: Start difference. First operand 275 states and 342 transitions. Second operand 8 states. [2019-11-15 22:05:56,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:05:56,831 INFO L93 Difference]: Finished difference Result 315 states and 375 transitions. [2019-11-15 22:05:56,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 22:05:56,832 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-11-15 22:05:56,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:05:56,833 INFO L225 Difference]: With dead ends: 315 [2019-11-15 22:05:56,834 INFO L226 Difference]: Without dead ends: 247 [2019-11-15 22:05:56,835 INFO L600 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 [2019-11-15 22:05:56,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-11-15 22:05:56,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 214. [2019-11-15 22:05:56,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2019-11-15 22:05:56,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 266 transitions. [2019-11-15 22:05:56,853 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 266 transitions. Word has length 22 [2019-11-15 22:05:56,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:05:56,854 INFO L462 AbstractCegarLoop]: Abstraction has 214 states and 266 transitions. [2019-11-15 22:05:56,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:05:56,854 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 266 transitions. [2019-11-15 22:05:56,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-15 22:05:56,855 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:05:56,855 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:05:56,855 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 22:05:56,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:05:56,856 INFO L82 PathProgramCache]: Analyzing trace with hash -793996475, now seen corresponding path program 1 times [2019-11-15 22:05:56,856 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:05:56,856 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755273491] [2019-11-15 22:05:56,857 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:56,857 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:56,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:05:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:05:56,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:05:56,975 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755273491] [2019-11-15 22:05:56,975 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:05:56,976 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 22:05:56,976 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89074078] [2019-11-15 22:05:56,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:05:56,976 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:05:56,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:05:56,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:05:56,977 INFO L87 Difference]: Start difference. First operand 214 states and 266 transitions. Second operand 8 states. [2019-11-15 22:05:57,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:05:57,236 INFO L93 Difference]: Finished difference Result 274 states and 326 transitions. [2019-11-15 22:05:57,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 22:05:57,238 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-11-15 22:05:57,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:05:57,240 INFO L225 Difference]: With dead ends: 274 [2019-11-15 22:05:57,240 INFO L226 Difference]: Without dead ends: 243 [2019-11-15 22:05:57,240 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2019-11-15 22:05:57,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-11-15 22:05:57,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 214. [2019-11-15 22:05:57,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2019-11-15 22:05:57,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 264 transitions. [2019-11-15 22:05:57,259 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 264 transitions. Word has length 24 [2019-11-15 22:05:57,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:05:57,260 INFO L462 AbstractCegarLoop]: Abstraction has 214 states and 264 transitions. [2019-11-15 22:05:57,260 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:05:57,260 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 264 transitions. [2019-11-15 22:05:57,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-15 22:05:57,263 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:05:57,263 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:05:57,264 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 22:05:57,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:05:57,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1968302766, now seen corresponding path program 1 times [2019-11-15 22:05:57,264 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:05:57,264 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183133443] [2019-11-15 22:05:57,265 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:57,265 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:57,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:05:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:05:57,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:05:57,519 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183133443] [2019-11-15 22:05:57,519 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:05:57,519 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:05:57,519 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510882851] [2019-11-15 22:05:57,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:05:57,520 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:05:57,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:05:57,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:05:57,520 INFO L87 Difference]: Start difference. First operand 214 states and 264 transitions. Second operand 8 states. [2019-11-15 22:05:58,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:05:58,025 INFO L93 Difference]: Finished difference Result 321 states and 389 transitions. [2019-11-15 22:05:58,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:05:58,025 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-11-15 22:05:58,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:05:58,029 INFO L225 Difference]: With dead ends: 321 [2019-11-15 22:05:58,029 INFO L226 Difference]: Without dead ends: 320 [2019-11-15 22:05:58,030 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-11-15 22:05:58,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2019-11-15 22:05:58,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 214. [2019-11-15 22:05:58,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2019-11-15 22:05:58,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 263 transitions. [2019-11-15 22:05:58,052 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 263 transitions. Word has length 24 [2019-11-15 22:05:58,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:05:58,052 INFO L462 AbstractCegarLoop]: Abstraction has 214 states and 263 transitions. [2019-11-15 22:05:58,052 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:05:58,052 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 263 transitions. [2019-11-15 22:05:58,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-15 22:05:58,053 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:05:58,053 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:05:58,054 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 22:05:58,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:05:58,054 INFO L82 PathProgramCache]: Analyzing trace with hash -339645636, now seen corresponding path program 1 times [2019-11-15 22:05:58,054 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:05:58,055 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553219591] [2019-11-15 22:05:58,055 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:58,055 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:58,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:05:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:05:58,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:05:58,211 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553219591] [2019-11-15 22:05:58,211 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:05:58,212 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:05:58,212 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760005748] [2019-11-15 22:05:58,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:05:58,212 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:05:58,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:05:58,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:05:58,213 INFO L87 Difference]: Start difference. First operand 214 states and 263 transitions. Second operand 8 states. [2019-11-15 22:05:58,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:05:58,809 INFO L93 Difference]: Finished difference Result 468 states and 516 transitions. [2019-11-15 22:05:58,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 22:05:58,810 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-11-15 22:05:58,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:05:58,812 INFO L225 Difference]: With dead ends: 468 [2019-11-15 22:05:58,812 INFO L226 Difference]: Without dead ends: 401 [2019-11-15 22:05:58,814 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2019-11-15 22:05:58,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2019-11-15 22:05:58,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 211. [2019-11-15 22:05:58,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2019-11-15 22:05:58,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 256 transitions. [2019-11-15 22:05:58,834 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 256 transitions. Word has length 24 [2019-11-15 22:05:58,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:05:58,835 INFO L462 AbstractCegarLoop]: Abstraction has 211 states and 256 transitions. [2019-11-15 22:05:58,835 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:05:58,835 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 256 transitions. [2019-11-15 22:05:58,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 22:05:58,836 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:05:58,836 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:05:58,837 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 22:05:58,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:05:58,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1530835845, now seen corresponding path program 1 times [2019-11-15 22:05:58,837 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:05:58,837 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286631955] [2019-11-15 22:05:58,838 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:58,838 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:58,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:05:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:05:58,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:05:58,973 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286631955] [2019-11-15 22:05:58,973 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:05:58,973 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 22:05:58,973 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782526803] [2019-11-15 22:05:58,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:05:58,974 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:05:58,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:05:58,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:05:58,974 INFO L87 Difference]: Start difference. First operand 211 states and 256 transitions. Second operand 8 states. [2019-11-15 22:05:59,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:05:59,237 INFO L93 Difference]: Finished difference Result 244 states and 289 transitions. [2019-11-15 22:05:59,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 22:05:59,238 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2019-11-15 22:05:59,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:05:59,240 INFO L225 Difference]: With dead ends: 244 [2019-11-15 22:05:59,240 INFO L226 Difference]: Without dead ends: 198 [2019-11-15 22:05:59,241 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2019-11-15 22:05:59,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-11-15 22:05:59,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 194. [2019-11-15 22:05:59,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-15 22:05:59,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 235 transitions. [2019-11-15 22:05:59,257 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 235 transitions. Word has length 26 [2019-11-15 22:05:59,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:05:59,259 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 235 transitions. [2019-11-15 22:05:59,259 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:05:59,259 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 235 transitions. [2019-11-15 22:05:59,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 22:05:59,260 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:05:59,260 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:05:59,260 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 22:05:59,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:05:59,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1696098322, now seen corresponding path program 1 times [2019-11-15 22:05:59,261 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:05:59,261 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313375965] [2019-11-15 22:05:59,261 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:59,262 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:05:59,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:05:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:05:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:05:59,348 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:05:59,349 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 22:05:59,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:05:59 BoogieIcfgContainer [2019-11-15 22:05:59,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:05:59,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:05:59,396 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:05:59,397 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:05:59,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:05:50" (3/4) ... [2019-11-15 22:05:59,401 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 22:05:59,401 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:05:59,403 INFO L168 Benchmark]: Toolchain (without parser) took 9892.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -143.6 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:05:59,404 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:05:59,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -192.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:05:59,407 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:05:59,408 INFO L168 Benchmark]: Boogie Preprocessor took 38.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:05:59,408 INFO L168 Benchmark]: RCFGBuilder took 825.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:05:59,409 INFO L168 Benchmark]: TraceAbstraction took 8530.76 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 46.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.6 kB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:05:59,410 INFO L168 Benchmark]: Witness Printer took 5.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:05:59,417 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 428.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -192.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 825.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8530.76 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 46.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.6 kB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 102]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 100, overapproximation of bitwiseAnd at line 101. Possible FailurePath: [L216] unsigned int a ; [L217] unsigned int ma = __VERIFIER_nondet_uint(); [L218] signed char ea = __VERIFIER_nondet_char(); [L219] unsigned int b ; [L220] unsigned int mb = __VERIFIER_nondet_uint(); [L221] signed char eb = __VERIFIER_nondet_char(); [L222] unsigned int r_add1 ; [L223] unsigned int r_add2 ; [L224] unsigned int zero ; [L225] int tmp ; [L226] int tmp___0 ; [L227] int __retres14 ; [L15] unsigned int res ; [L16] unsigned int __retres4 ; [L19] COND TRUE ! m [L20] __retres4 = 0U [L70] return (__retres4); [L231] zero = base2flt(0, 0) [L15] unsigned int res ; [L16] unsigned int __retres4 ; [L19] COND FALSE !(! m) [L25] COND FALSE !(m < 1U << 24U) [L47] COND TRUE 1 [L49] COND FALSE !(m >= 1U << 25U) [L66] m = m & ~ (1U << 24U) [L67] EXPR e + 128 [L67] res = m | ((unsigned int )(e + 128) << 24U) [L68] __retres4 = res [L70] return (__retres4); [L232] a = base2flt(ma, ea) [L15] unsigned int res ; [L16] unsigned int __retres4 ; [L19] COND FALSE !(! m) [L25] COND FALSE !(m < 1U << 24U) [L47] COND TRUE 1 [L49] COND TRUE m >= 1U << 25U [L54] COND TRUE e >= 127 [L55] __retres4 = 4294967295U [L70] return (__retres4); [L233] b = base2flt(mb, eb) [L74] unsigned int res ; [L75] unsigned int ma ; [L76] unsigned int mb ; [L77] unsigned int delta ; [L78] int ea ; [L79] int eb ; [L80] unsigned int tmp ; [L81] unsigned int __retres10 ; [L84] COND TRUE a < b [L85] tmp = a [L86] a = b [L87] b = tmp [L91] COND FALSE !(! b) [L98] ma = a & ((1U << 24U) - 1U) [L99] EXPR (int )(a >> 24U) - 128 [L99] ea = (int )(a >> 24U) - 128 [L100] ma = ma | (1U << 24U) [L101] mb = b & ((1U << 24U) - 1U) [L102] (int )(b >> 24U) - 128 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 152 locations, 38 error locations. Result: UNSAFE, OverallTime: 8.4s, OverallIterations: 20, TraceHistogramMax: 2, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2923 SDtfs, 3887 SDslu, 7545 SDs, 0 SdLazy, 1873 SolverSat, 209 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 23 SyntacticMatches, 3 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=275occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 19 MinimizatonAttempts, 1720 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 343 NumberOfCodeBlocks, 343 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 298 ConstructedInterpolants, 0 QuantifiedInterpolants, 26586 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...