./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4f4fab6c-c07f-421c-aa6a-44dc4b78753c/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4f4fab6c-c07f-421c-aa6a-44dc4b78753c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4f4fab6c-c07f-421c-aa6a-44dc4b78753c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4f4fab6c-c07f-421c-aa6a-44dc4b78753c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4f4fab6c-c07f-421c-aa6a-44dc4b78753c/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4f4fab6c-c07f-421c-aa6a-44dc4b78753c/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1849bc810ee5b8b8988c92fc47967ed0208ce50f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_4f4fab6c-c07f-421c-aa6a-44dc4b78753c/bin/utaipan/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 0.2.0-a4ecdab [2020-11-28 07:37:16,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:37:16,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:37:16,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:37:16,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:37:16,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:37:16,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:37:16,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:37:16,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:37:16,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:37:16,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:37:16,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:37:16,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:37:16,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:37:16,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:37:16,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:37:16,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:37:16,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:37:16,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:37:16,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:37:16,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:37:16,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:37:16,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:37:16,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:37:16,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:37:16,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:37:16,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:37:16,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:37:16,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:37:16,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:37:16,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:37:16,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:37:16,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:37:16,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:37:16,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:37:16,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:37:16,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:37:16,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:37:16,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:37:16,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:37:16,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:37:16,758 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4f4fab6c-c07f-421c-aa6a-44dc4b78753c/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2020-11-28 07:37:16,810 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:37:16,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:37:16,811 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:37:16,812 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:37:16,812 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:37:16,812 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:37:16,813 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:37:16,813 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:37:16,813 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:37:16,814 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:37:16,814 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:37:16,814 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:37:16,815 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:37:16,815 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:37:16,815 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:37:16,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:37:16,817 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:37:16,817 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:37:16,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:37:16,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:37:16,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:37:16,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:37:16,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:37:16,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:37:16,819 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 07:37:16,819 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:37:16,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:37:16,820 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:37:16,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:37:16,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:37:16,821 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:37:16,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:37:16,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:37:16,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:37:16,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:37:16,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:37:16,823 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:37:16,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:37:16,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:37:16,824 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:37:16,824 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:37:16,824 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_4f4fab6c-c07f-421c-aa6a-44dc4b78753c/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4f4fab6c-c07f-421c-aa6a-44dc4b78753c/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1849bc810ee5b8b8988c92fc47967ed0208ce50f [2020-11-28 07:37:17,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:37:17,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:37:17,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:37:17,200 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:37:17,201 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:37:17,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4f4fab6c-c07f-421c-aa6a-44dc4b78753c/bin/utaipan/../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2020-11-28 07:37:17,310 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4f4fab6c-c07f-421c-aa6a-44dc4b78753c/bin/utaipan/data/799f9eb19/78f484eb1ce94dce9c2933a7adab4c20/FLAGedd4dda74 [2020-11-28 07:37:17,844 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:37:17,845 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4f4fab6c-c07f-421c-aa6a-44dc4b78753c/sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2020-11-28 07:37:17,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4f4fab6c-c07f-421c-aa6a-44dc4b78753c/bin/utaipan/data/799f9eb19/78f484eb1ce94dce9c2933a7adab4c20/FLAGedd4dda74 [2020-11-28 07:37:18,187 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4f4fab6c-c07f-421c-aa6a-44dc4b78753c/bin/utaipan/data/799f9eb19/78f484eb1ce94dce9c2933a7adab4c20 [2020-11-28 07:37:18,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:37:18,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:37:18,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:37:18,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:37:18,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:37:18,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:37:18" (1/1) ... [2020-11-28 07:37:18,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e6c4f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:18, skipping insertion in model container [2020-11-28 07:37:18,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:37:18" (1/1) ... [2020-11-28 07:37:18,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:37:18,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:37:18,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:37:18,618 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:37:18,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:37:18,726 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:37:18,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:18 WrapperNode [2020-11-28 07:37:18,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:37:18,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:37:18,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:37:18,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:37:18,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:18" (1/1) ... [2020-11-28 07:37:18,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:18" (1/1) ... [2020-11-28 07:37:18,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:37:18,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:37:18,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:37:18,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:37:18,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:18" (1/1) ... [2020-11-28 07:37:18,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:18" (1/1) ... [2020-11-28 07:37:18,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:18" (1/1) ... [2020-11-28 07:37:18,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:18" (1/1) ... [2020-11-28 07:37:18,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:18" (1/1) ... [2020-11-28 07:37:18,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:18" (1/1) ... [2020-11-28 07:37:18,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:18" (1/1) ... [2020-11-28 07:37:18,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:37:18,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:37:18,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:37:18,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:37:18,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4f4fab6c-c07f-421c-aa6a-44dc4b78753c/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:37:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 07:37:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:37:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:37:19,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:37:20,807 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:37:20,807 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-28 07:37:20,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:37:20 BoogieIcfgContainer [2020-11-28 07:37:20,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:37:20,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:37:20,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:37:20,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:37:20,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:37:18" (1/3) ... [2020-11-28 07:37:20,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f72d8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:37:20, skipping insertion in model container [2020-11-28 07:37:20,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:18" (2/3) ... [2020-11-28 07:37:20,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f72d8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:37:20, skipping insertion in model container [2020-11-28 07:37:20,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:37:20" (3/3) ... [2020-11-28 07:37:20,824 INFO L111 eAbstractionObserver]: Analyzing ICFG soft_float_1-3.c.cil.c [2020-11-28 07:37:20,845 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:37:20,850 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2020-11-28 07:37:20,865 INFO L253 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2020-11-28 07:37:20,897 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:37:20,898 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:37:20,898 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:37:20,898 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:37:20,898 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:37:20,898 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:37:20,898 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:37:20,899 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:37:20,920 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-11-28 07:37:20,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 07:37:20,927 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:20,928 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-28 07:37:20,928 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:37:20,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:20,935 INFO L82 PathProgramCache]: Analyzing trace with hash -2084163767, now seen corresponding path program 1 times [2020-11-28 07:37:20,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:37:20,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490676157] [2020-11-28 07:37:20,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:37:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:21,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:21,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490676157] [2020-11-28 07:37:21,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:37:21,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:37:21,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557297371] [2020-11-28 07:37:21,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:37:21,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:37:21,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:37:21,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:37:21,120 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-11-28 07:37:21,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:37:21,154 INFO L93 Difference]: Finished difference Result 209 states and 261 transitions. [2020-11-28 07:37:21,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:37:21,155 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-11-28 07:37:21,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:37:21,169 INFO L225 Difference]: With dead ends: 209 [2020-11-28 07:37:21,169 INFO L226 Difference]: Without dead ends: 106 [2020-11-28 07:37:21,173 INFO L677 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 [2020-11-28 07:37:21,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-11-28 07:37:21,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-11-28 07:37:21,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-11-28 07:37:21,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 124 transitions. [2020-11-28 07:37:21,225 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 124 transitions. Word has length 6 [2020-11-28 07:37:21,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:37:21,225 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 124 transitions. [2020-11-28 07:37:21,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:37:21,225 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2020-11-28 07:37:21,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 07:37:21,226 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:21,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-28 07:37:21,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 07:37:21,227 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:37:21,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:21,229 INFO L82 PathProgramCache]: Analyzing trace with hash -2085524990, now seen corresponding path program 1 times [2020-11-28 07:37:21,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:37:21,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282325410] [2020-11-28 07:37:21,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:37:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:21,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:21,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282325410] [2020-11-28 07:37:21,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:37:21,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-28 07:37:21,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999688118] [2020-11-28 07:37:21,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:37:21,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:37:21,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:37:21,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:37:21,327 INFO L87 Difference]: Start difference. First operand 106 states and 124 transitions. Second operand 3 states. [2020-11-28 07:37:21,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:37:21,592 INFO L93 Difference]: Finished difference Result 209 states and 242 transitions. [2020-11-28 07:37:21,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:37:21,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-11-28 07:37:21,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:37:21,600 INFO L225 Difference]: With dead ends: 209 [2020-11-28 07:37:21,600 INFO L226 Difference]: Without dead ends: 121 [2020-11-28 07:37:21,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:37:21,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-11-28 07:37:21,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2020-11-28 07:37:21,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-11-28 07:37:21,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2020-11-28 07:37:21,623 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 6 [2020-11-28 07:37:21,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:37:21,623 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2020-11-28 07:37:21,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:37:21,628 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2020-11-28 07:37:21,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 07:37:21,630 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:21,630 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:37:21,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 07:37:21,631 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:37:21,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:21,632 INFO L82 PathProgramCache]: Analyzing trace with hash 706150124, now seen corresponding path program 1 times [2020-11-28 07:37:21,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:37:21,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953964222] [2020-11-28 07:37:21,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:37:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:21,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:21,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953964222] [2020-11-28 07:37:21,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:37:21,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:37:21,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868646910] [2020-11-28 07:37:21,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:37:21,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:37:21,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:37:21,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:37:21,742 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 4 states. [2020-11-28 07:37:21,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:37:21,952 INFO L93 Difference]: Finished difference Result 164 states and 187 transitions. [2020-11-28 07:37:21,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 07:37:21,953 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-11-28 07:37:21,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:37:21,956 INFO L225 Difference]: With dead ends: 164 [2020-11-28 07:37:21,956 INFO L226 Difference]: Without dead ends: 157 [2020-11-28 07:37:21,957 INFO L677 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 [2020-11-28 07:37:21,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-11-28 07:37:21,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 120. [2020-11-28 07:37:21,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-11-28 07:37:21,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2020-11-28 07:37:21,980 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 8 [2020-11-28 07:37:21,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:37:21,980 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2020-11-28 07:37:21,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:37:21,980 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2020-11-28 07:37:21,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 07:37:21,982 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:21,982 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:37:21,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 07:37:21,982 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:37:21,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:21,983 INFO L82 PathProgramCache]: Analyzing trace with hash 415817502, now seen corresponding path program 1 times [2020-11-28 07:37:21,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:37:21,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777313160] [2020-11-28 07:37:21,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:37:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:22,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:22,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777313160] [2020-11-28 07:37:22,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:37:22,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:37:22,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772197884] [2020-11-28 07:37:22,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:37:22,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:37:22,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:37:22,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:37:22,054 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 3 states. [2020-11-28 07:37:22,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:37:22,183 INFO L93 Difference]: Finished difference Result 155 states and 176 transitions. [2020-11-28 07:37:22,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:37:22,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-28 07:37:22,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:37:22,186 INFO L225 Difference]: With dead ends: 155 [2020-11-28 07:37:22,186 INFO L226 Difference]: Without dead ends: 149 [2020-11-28 07:37:22,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:37:22,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-11-28 07:37:22,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 115. [2020-11-28 07:37:22,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-11-28 07:37:22,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 136 transitions. [2020-11-28 07:37:22,220 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 136 transitions. Word has length 9 [2020-11-28 07:37:22,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:37:22,221 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 136 transitions. [2020-11-28 07:37:22,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:37:22,221 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 136 transitions. [2020-11-28 07:37:22,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 07:37:22,223 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:22,224 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:37:22,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 07:37:22,224 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:37:22,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:22,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1429802055, now seen corresponding path program 1 times [2020-11-28 07:37:22,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:37:22,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298428056] [2020-11-28 07:37:22,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:37:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:22,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:22,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298428056] [2020-11-28 07:37:22,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:37:22,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:37:22,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660897856] [2020-11-28 07:37:22,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:37:22,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:37:22,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:37:22,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:37:22,316 INFO L87 Difference]: Start difference. First operand 115 states and 136 transitions. Second operand 3 states. [2020-11-28 07:37:22,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:37:22,370 INFO L93 Difference]: Finished difference Result 194 states and 228 transitions. [2020-11-28 07:37:22,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:37:22,370 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-28 07:37:22,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:37:22,371 INFO L225 Difference]: With dead ends: 194 [2020-11-28 07:37:22,372 INFO L226 Difference]: Without dead ends: 81 [2020-11-28 07:37:22,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:37:22,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-11-28 07:37:22,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-11-28 07:37:22,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-11-28 07:37:22,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2020-11-28 07:37:22,382 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 9 [2020-11-28 07:37:22,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:37:22,382 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2020-11-28 07:37:22,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:37:22,382 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2020-11-28 07:37:22,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 07:37:22,383 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:22,384 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:37:22,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 07:37:22,384 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:37:22,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:22,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1137492219, now seen corresponding path program 1 times [2020-11-28 07:37:22,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:37:22,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084377241] [2020-11-28 07:37:22,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:37:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:22,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:22,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084377241] [2020-11-28 07:37:22,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:37:22,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 07:37:22,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208619142] [2020-11-28 07:37:22,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 07:37:22,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:37:22,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 07:37:22,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 07:37:22,584 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 6 states. [2020-11-28 07:37:22,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:37:22,693 INFO L93 Difference]: Finished difference Result 163 states and 182 transitions. [2020-11-28 07:37:22,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 07:37:22,699 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-11-28 07:37:22,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:37:22,701 INFO L225 Difference]: With dead ends: 163 [2020-11-28 07:37:22,701 INFO L226 Difference]: Without dead ends: 133 [2020-11-28 07:37:22,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 07:37:22,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-11-28 07:37:22,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 81. [2020-11-28 07:37:22,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-11-28 07:37:22,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2020-11-28 07:37:22,712 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 10 [2020-11-28 07:37:22,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:37:22,713 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2020-11-28 07:37:22,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 07:37:22,713 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2020-11-28 07:37:22,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 07:37:22,714 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:22,714 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:37:22,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 07:37:22,715 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:37:22,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:22,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1127383271, now seen corresponding path program 1 times [2020-11-28 07:37:22,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:37:22,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581816572] [2020-11-28 07:37:22,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:37:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:22,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:22,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581816572] [2020-11-28 07:37:22,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:37:22,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:37:22,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598204546] [2020-11-28 07:37:22,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:37:22,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:37:22,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:37:22,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:37:22,773 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 4 states. [2020-11-28 07:37:22,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:37:22,892 INFO L93 Difference]: Finished difference Result 119 states and 133 transitions. [2020-11-28 07:37:22,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 07:37:22,895 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-11-28 07:37:22,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:37:22,896 INFO L225 Difference]: With dead ends: 119 [2020-11-28 07:37:22,896 INFO L226 Difference]: Without dead ends: 117 [2020-11-28 07:37:22,897 INFO L677 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 [2020-11-28 07:37:22,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-11-28 07:37:22,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 84. [2020-11-28 07:37:22,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-11-28 07:37:22,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 96 transitions. [2020-11-28 07:37:22,917 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 96 transitions. Word has length 10 [2020-11-28 07:37:22,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:37:22,918 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 96 transitions. [2020-11-28 07:37:22,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:37:22,919 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 96 transitions. [2020-11-28 07:37:22,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 07:37:22,921 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:22,921 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:37:22,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 07:37:22,922 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:37:22,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:22,924 INFO L82 PathProgramCache]: Analyzing trace with hash 892888884, now seen corresponding path program 1 times [2020-11-28 07:37:22,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:37:22,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845056140] [2020-11-28 07:37:22,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:37:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:22,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:22,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845056140] [2020-11-28 07:37:22,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:37:22,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:37:22,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285983119] [2020-11-28 07:37:22,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:37:22,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:37:22,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:37:22,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:37:22,990 INFO L87 Difference]: Start difference. First operand 84 states and 96 transitions. Second operand 4 states. [2020-11-28 07:37:23,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:37:23,119 INFO L93 Difference]: Finished difference Result 122 states and 136 transitions. [2020-11-28 07:37:23,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 07:37:23,121 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-11-28 07:37:23,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:37:23,122 INFO L225 Difference]: With dead ends: 122 [2020-11-28 07:37:23,122 INFO L226 Difference]: Without dead ends: 119 [2020-11-28 07:37:23,123 INFO L677 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 [2020-11-28 07:37:23,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-11-28 07:37:23,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 88. [2020-11-28 07:37:23,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-11-28 07:37:23,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 101 transitions. [2020-11-28 07:37:23,137 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 101 transitions. Word has length 10 [2020-11-28 07:37:23,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:37:23,138 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 101 transitions. [2020-11-28 07:37:23,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:37:23,138 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 101 transitions. [2020-11-28 07:37:23,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 07:37:23,140 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:23,141 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:37:23,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 07:37:23,142 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:37:23,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:23,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1911845118, now seen corresponding path program 1 times [2020-11-28 07:37:23,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:37:23,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725077602] [2020-11-28 07:37:23,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:37:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:37:23,175 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:37:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:37:23,195 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:37:23,229 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-28 07:37:23,229 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 07:37:23,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 07:37:23,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:37:23 BoogieIcfgContainer [2020-11-28 07:37:23,280 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:37:23,282 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:37:23,282 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:37:23,282 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:37:23,283 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:37:20" (3/4) ... [2020-11-28 07:37:23,287 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 07:37:23,287 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:37:23,297 INFO L168 Benchmark]: Toolchain (without parser) took 5080.88 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 67.8 MB in the beginning and 73.3 MB in the end (delta: -5.4 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:23,299 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 39.0 MB in the beginning and 39.0 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:37:23,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.69 ms. Allocated memory is still 98.6 MB. Free memory was 67.8 MB in the beginning and 72.5 MB in the end (delta: -4.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:23,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.70 ms. Allocated memory is still 98.6 MB. Free memory was 72.5 MB in the beginning and 69.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:23,301 INFO L168 Benchmark]: Boogie Preprocessor took 94.56 ms. Allocated memory is still 98.6 MB. Free memory was 69.9 MB in the beginning and 68.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:23,302 INFO L168 Benchmark]: RCFGBuilder took 1858.38 ms. Allocated memory is still 98.6 MB. Free memory was 68.4 MB in the beginning and 61.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 41.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:23,302 INFO L168 Benchmark]: TraceAbstraction took 2465.70 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 61.1 MB in the beginning and 73.3 MB in the end (delta: -12.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:23,303 INFO L168 Benchmark]: Witness Printer took 5.09 ms. Allocated memory is still 119.5 MB. Free memory is still 73.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:37:23,306 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 39.0 MB in the beginning and 39.0 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 507.69 ms. Allocated memory is still 98.6 MB. Free memory was 67.8 MB in the beginning and 72.5 MB in the end (delta: -4.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 130.70 ms. Allocated memory is still 98.6 MB. Free memory was 72.5 MB in the beginning and 69.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 94.56 ms. Allocated memory is still 98.6 MB. Free memory was 69.9 MB in the beginning and 68.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1858.38 ms. Allocated memory is still 98.6 MB. Free memory was 68.4 MB in the beginning and 61.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 41.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2465.70 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 61.1 MB in the beginning and 73.3 MB in the end (delta: -12.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Witness Printer took 5.09 ms. Allocated memory is still 119.5 MB. Free memory is still 73.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 68. Possible FailurePath: [L218] unsigned int a ; [L219] unsigned int ma = __VERIFIER_nondet_uint(); [L220] signed char ea = __VERIFIER_nondet_char(); [L221] unsigned int b ; [L222] unsigned int mb = __VERIFIER_nondet_uint(); [L223] signed char eb = __VERIFIER_nondet_char(); [L224] unsigned int r_add ; [L225] unsigned int zero ; [L226] int sa ; [L227] int sb ; [L228] int tmp ; [L229] int tmp___0 ; [L230] int tmp___1 ; [L231] int tmp___2 ; [L232] int tmp___3 ; [L233] int tmp___4 ; [L234] int tmp___5 ; [L235] int tmp___6 ; [L236] int tmp___7 ; [L237] int tmp___8 ; [L238] int tmp___9 ; [L239] int __retres23 ; [L17] unsigned int res ; [L18] unsigned int __retres4 ; [L21] COND TRUE ! m [L22] __retres4 = 0U [L72] return (__retres4); [L243] zero = base2flt(0, 0) [L17] unsigned int res ; [L18] unsigned int __retres4 ; [L21] COND FALSE !(! m) [L27] COND FALSE !(m < 1U << 24U) [L49] COND TRUE 1 [L51] COND FALSE !(m >= 1U << 25U) [L68] m = m & ~ (1U << 24U) [L69] EXPR e + 128 [L69] (e + 128) << 24U - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 36 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.3s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 793 SDtfs, 669 SDslu, 549 SDs, 0 SdLazy, 308 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 189 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 1408 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...