./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 1ba322bb221e3115ffe27697bd869d6c1c16c347 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:29:59,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:29:59,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:29:59,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:29:59,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:29:59,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:29:59,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:29:59,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:29:59,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:29:59,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:29:59,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:29:59,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:29:59,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:29:59,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:29:59,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:29:59,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:29:59,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:29:59,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:29:59,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:29:59,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:29:59,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:29:59,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:29:59,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:29:59,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:29:59,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:29:59,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:29:59,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:29:59,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:29:59,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:29:59,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:29:59,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:29:59,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:29:59,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:29:59,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:29:59,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:29:59,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:29:59,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:29:59,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:29:59,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:29:59,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:29:59,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:29:59,833 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-10-20 06:29:59,872 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:29:59,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:29:59,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:29:59,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:29:59,874 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:29:59,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:29:59,875 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:29:59,875 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:29:59,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:29:59,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:29:59,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:29:59,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 06:29:59,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:29:59,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 06:29:59,878 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-20 06:29:59,878 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:29:59,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:29:59,880 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:29:59,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 06:29:59,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:29:59,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:29:59,881 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:29:59,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:29:59,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:29:59,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:29:59,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:29:59,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 06:29:59,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:29:59,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:29:59,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 06:29:59,883 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:29:59,883 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 1ba322bb221e3115ffe27697bd869d6c1c16c347 [2020-10-20 06:30:00,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:30:00,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:30:00,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:30:00,143 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:30:00,144 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:30:00,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2020-10-20 06:30:00,222 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9306aa494/07675836435f4fc6bde72c67fa3e3504/FLAG3efd32a06 [2020-10-20 06:30:00,723 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:30:00,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2020-10-20 06:30:00,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9306aa494/07675836435f4fc6bde72c67fa3e3504/FLAG3efd32a06 [2020-10-20 06:30:01,064 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9306aa494/07675836435f4fc6bde72c67fa3e3504 [2020-10-20 06:30:01,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:30:01,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:30:01,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:30:01,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:30:01,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:30:01,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:30:01" (1/1) ... [2020-10-20 06:30:01,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f80f118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:01, skipping insertion in model container [2020-10-20 06:30:01,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:30:01" (1/1) ... [2020-10-20 06:30:01,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:30:01,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:30:01,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:30:01,512 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:30:01,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:30:01,584 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:30:01,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:01 WrapperNode [2020-10-20 06:30:01,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:30:01,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:30:01,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:30:01,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:30:01,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:01" (1/1) ... [2020-10-20 06:30:01,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:01" (1/1) ... [2020-10-20 06:30:01,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:30:01,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:30:01,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:30:01,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:30:01,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:01" (1/1) ... [2020-10-20 06:30:01,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:01" (1/1) ... [2020-10-20 06:30:01,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:01" (1/1) ... [2020-10-20 06:30:01,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:01" (1/1) ... [2020-10-20 06:30:01,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:01" (1/1) ... [2020-10-20 06:30:01,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:01" (1/1) ... [2020-10-20 06:30:01,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:01" (1/1) ... [2020-10-20 06:30:01,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:30:01,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:30:01,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:30:01,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:30:01,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:30:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 06:30:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:30:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:30:01,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:30:02,541 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:30:02,541 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-10-20 06:30:02,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:30:02 BoogieIcfgContainer [2020-10-20 06:30:02,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:30:02,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:30:02,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:30:02,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:30:02,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:30:01" (1/3) ... [2020-10-20 06:30:02,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775910a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:30:02, skipping insertion in model container [2020-10-20 06:30:02,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:01" (2/3) ... [2020-10-20 06:30:02,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775910a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:30:02, skipping insertion in model container [2020-10-20 06:30:02,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:30:02" (3/3) ... [2020-10-20 06:30:02,553 INFO L111 eAbstractionObserver]: Analyzing ICFG soft_float_1-2.c.cil.c [2020-10-20 06:30:02,566 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:30:02,574 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2020-10-20 06:30:02,589 INFO L253 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2020-10-20 06:30:02,626 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:30:02,627 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 06:30:02,627 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:30:02,627 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:30:02,628 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:30:02,628 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:30:02,628 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:30:02,628 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:30:02,670 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2020-10-20 06:30:02,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-20 06:30:02,679 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:30:02,681 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:30:02,683 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]=== [2020-10-20 06:30:02,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:30:02,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1807791520, now seen corresponding path program 1 times [2020-10-20 06:30:02,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:30:02,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549968513] [2020-10-20 06:30:02,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:30:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:30:02,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:30:02,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549968513] [2020-10-20 06:30:02,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:30:02,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:30:02,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491708987] [2020-10-20 06:30:02,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 06:30:02,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:30:02,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 06:30:02,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 06:30:02,928 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 2 states. [2020-10-20 06:30:02,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:30:02,998 INFO L93 Difference]: Finished difference Result 305 states and 413 transitions. [2020-10-20 06:30:02,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 06:30:03,000 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-10-20 06:30:03,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:30:03,022 INFO L225 Difference]: With dead ends: 305 [2020-10-20 06:30:03,022 INFO L226 Difference]: Without dead ends: 123 [2020-10-20 06:30:03,029 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 [2020-10-20 06:30:03,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-20 06:30:03,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-10-20 06:30:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-20 06:30:03,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 146 transitions. [2020-10-20 06:30:03,086 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 146 transitions. Word has length 7 [2020-10-20 06:30:03,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:30:03,086 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 146 transitions. [2020-10-20 06:30:03,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 06:30:03,087 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 146 transitions. [2020-10-20 06:30:03,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-20 06:30:03,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:30:03,088 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:30:03,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 06:30:03,089 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]=== [2020-10-20 06:30:03,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:30:03,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1806850254, now seen corresponding path program 1 times [2020-10-20 06:30:03,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:30:03,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974262284] [2020-10-20 06:30:03,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:30:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:30:03,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:30:03,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974262284] [2020-10-20 06:30:03,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:30:03,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:30:03,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929593561] [2020-10-20 06:30:03,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:30:03,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:30:03,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:30:03,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:30:03,159 INFO L87 Difference]: Start difference. First operand 123 states and 146 transitions. Second operand 3 states. [2020-10-20 06:30:03,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:30:03,339 INFO L93 Difference]: Finished difference Result 243 states and 286 transitions. [2020-10-20 06:30:03,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:30:03,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-20 06:30:03,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:30:03,341 INFO L225 Difference]: With dead ends: 243 [2020-10-20 06:30:03,342 INFO L226 Difference]: Without dead ends: 139 [2020-10-20 06:30:03,343 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 [2020-10-20 06:30:03,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-20 06:30:03,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 136. [2020-10-20 06:30:03,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-10-20 06:30:03,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 160 transitions. [2020-10-20 06:30:03,356 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 160 transitions. Word has length 7 [2020-10-20 06:30:03,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:30:03,356 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 160 transitions. [2020-10-20 06:30:03,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:30:03,356 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 160 transitions. [2020-10-20 06:30:03,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 06:30:03,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:30:03,357 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:30:03,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 06:30:03,358 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]=== [2020-10-20 06:30:03,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:30:03,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1493296196, now seen corresponding path program 1 times [2020-10-20 06:30:03,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:30:03,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283889157] [2020-10-20 06:30:03,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:30:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:30:03,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:30:03,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283889157] [2020-10-20 06:30:03,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:30:03,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:30:03,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632178225] [2020-10-20 06:30:03,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 06:30:03,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:30:03,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:30:03,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:30:03,428 INFO L87 Difference]: Start difference. First operand 136 states and 160 transitions. Second operand 4 states. [2020-10-20 06:30:03,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:30:03,585 INFO L93 Difference]: Finished difference Result 197 states and 230 transitions. [2020-10-20 06:30:03,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 06:30:03,585 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-20 06:30:03,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:30:03,587 INFO L225 Difference]: With dead ends: 197 [2020-10-20 06:30:03,588 INFO L226 Difference]: Without dead ends: 190 [2020-10-20 06:30:03,588 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:30:03,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-10-20 06:30:03,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 137. [2020-10-20 06:30:03,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-20 06:30:03,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 162 transitions. [2020-10-20 06:30:03,602 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 162 transitions. Word has length 10 [2020-10-20 06:30:03,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:30:03,603 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 162 transitions. [2020-10-20 06:30:03,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 06:30:03,603 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 162 transitions. [2020-10-20 06:30:03,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 06:30:03,604 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:30:03,605 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:30:03,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 06:30:03,605 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]=== [2020-10-20 06:30:03,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:30:03,606 INFO L82 PathProgramCache]: Analyzing trace with hash 794034541, now seen corresponding path program 1 times [2020-10-20 06:30:03,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:30:03,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080219690] [2020-10-20 06:30:03,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:30:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:30:03,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:30:03,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080219690] [2020-10-20 06:30:03,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:30:03,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:30:03,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559380903] [2020-10-20 06:30:03,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:30:03,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:30:03,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:30:03,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:30:03,652 INFO L87 Difference]: Start difference. First operand 137 states and 162 transitions. Second operand 3 states. [2020-10-20 06:30:03,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:30:03,717 INFO L93 Difference]: Finished difference Result 234 states and 277 transitions. [2020-10-20 06:30:03,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:30:03,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-20 06:30:03,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:30:03,719 INFO L225 Difference]: With dead ends: 234 [2020-10-20 06:30:03,719 INFO L226 Difference]: Without dead ends: 100 [2020-10-20 06:30:03,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:30:03,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-10-20 06:30:03,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2020-10-20 06:30:03,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-20 06:30:03,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 118 transitions. [2020-10-20 06:30:03,729 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 118 transitions. Word has length 10 [2020-10-20 06:30:03,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:30:03,729 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 118 transitions. [2020-10-20 06:30:03,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:30:03,730 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 118 transitions. [2020-10-20 06:30:03,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 06:30:03,730 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:30:03,731 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:30:03,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 06:30:03,731 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]=== [2020-10-20 06:30:03,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:30:03,732 INFO L82 PathProgramCache]: Analyzing trace with hash 952458318, now seen corresponding path program 1 times [2020-10-20 06:30:03,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:30:03,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513011214] [2020-10-20 06:30:03,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:30:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:30:03,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:30:03,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513011214] [2020-10-20 06:30:03,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:30:03,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:30:03,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241684473] [2020-10-20 06:30:03,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:30:03,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:30:03,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:30:03,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:30:03,769 INFO L87 Difference]: Start difference. First operand 100 states and 118 transitions. Second operand 3 states. [2020-10-20 06:30:03,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:30:03,830 INFO L93 Difference]: Finished difference Result 144 states and 167 transitions. [2020-10-20 06:30:03,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:30:03,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-20 06:30:03,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:30:03,832 INFO L225 Difference]: With dead ends: 144 [2020-10-20 06:30:03,832 INFO L226 Difference]: Without dead ends: 142 [2020-10-20 06:30:03,833 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 [2020-10-20 06:30:03,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-20 06:30:03,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 98. [2020-10-20 06:30:03,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-20 06:30:03,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 116 transitions. [2020-10-20 06:30:03,841 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 116 transitions. Word has length 11 [2020-10-20 06:30:03,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:30:03,842 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 116 transitions. [2020-10-20 06:30:03,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:30:03,842 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 116 transitions. [2020-10-20 06:30:03,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 06:30:03,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:30:03,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:30:03,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 06:30:03,844 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]=== [2020-10-20 06:30:03,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:30:03,845 INFO L82 PathProgramCache]: Analyzing trace with hash 348884996, now seen corresponding path program 1 times [2020-10-20 06:30:03,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:30:03,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600097525] [2020-10-20 06:30:03,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:30:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:30:03,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:30:03,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600097525] [2020-10-20 06:30:03,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:30:03,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:30:03,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065114740] [2020-10-20 06:30:03,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 06:30:03,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:30:03,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:30:03,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:30:03,923 INFO L87 Difference]: Start difference. First operand 98 states and 116 transitions. Second operand 4 states. [2020-10-20 06:30:04,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:30:04,010 INFO L93 Difference]: Finished difference Result 151 states and 176 transitions. [2020-10-20 06:30:04,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 06:30:04,011 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-20 06:30:04,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:30:04,012 INFO L225 Difference]: With dead ends: 151 [2020-10-20 06:30:04,012 INFO L226 Difference]: Without dead ends: 148 [2020-10-20 06:30:04,012 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:30:04,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-10-20 06:30:04,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 102. [2020-10-20 06:30:04,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-20 06:30:04,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 121 transitions. [2020-10-20 06:30:04,021 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 121 transitions. Word has length 12 [2020-10-20 06:30:04,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:30:04,022 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 121 transitions. [2020-10-20 06:30:04,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 06:30:04,022 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 121 transitions. [2020-10-20 06:30:04,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 06:30:04,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:30:04,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:30:04,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 06:30:04,024 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]=== [2020-10-20 06:30:04,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:30:04,025 INFO L82 PathProgramCache]: Analyzing trace with hash -59736963, now seen corresponding path program 1 times [2020-10-20 06:30:04,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:30:04,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469081770] [2020-10-20 06:30:04,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:30:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:30:04,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:30:04,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469081770] [2020-10-20 06:30:04,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:30:04,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:30:04,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267941717] [2020-10-20 06:30:04,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 06:30:04,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:30:04,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:30:04,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:30:04,065 INFO L87 Difference]: Start difference. First operand 102 states and 121 transitions. Second operand 4 states. [2020-10-20 06:30:04,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:30:04,159 INFO L93 Difference]: Finished difference Result 155 states and 182 transitions. [2020-10-20 06:30:04,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 06:30:04,160 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-20 06:30:04,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:30:04,162 INFO L225 Difference]: With dead ends: 155 [2020-10-20 06:30:04,162 INFO L226 Difference]: Without dead ends: 153 [2020-10-20 06:30:04,162 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:30:04,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-10-20 06:30:04,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 105. [2020-10-20 06:30:04,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-20 06:30:04,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 125 transitions. [2020-10-20 06:30:04,170 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 125 transitions. Word has length 13 [2020-10-20 06:30:04,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:30:04,171 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 125 transitions. [2020-10-20 06:30:04,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 06:30:04,171 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 125 transitions. [2020-10-20 06:30:04,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 06:30:04,172 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:30:04,172 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:30:04,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 06:30:04,173 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]=== [2020-10-20 06:30:04,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:30:04,174 INFO L82 PathProgramCache]: Analyzing trace with hash -2067373522, now seen corresponding path program 1 times [2020-10-20 06:30:04,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:30:04,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535230719] [2020-10-20 06:30:04,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:30:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:30:04,189 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:30:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:30:04,201 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:30:04,251 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:30:04,252 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 06:30:04,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 06:30:04,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:30:04 BoogieIcfgContainer [2020-10-20 06:30:04,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:30:04,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:30:04,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:30:04,293 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:30:04,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:30:02" (3/4) ... [2020-10-20 06:30:04,298 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:30:04,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:30:04,301 INFO L168 Benchmark]: Toolchain (without parser) took 3230.75 ms. Allocated memory was 36.2 MB in the beginning and 56.1 MB in the end (delta: 19.9 MB). Free memory was 15.6 MB in the beginning and 18.3 MB in the end (delta: -2.7 MB). Peak memory consumption was 17.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:30:04,302 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 33.6 MB. Free memory was 9.1 MB in the beginning and 9.0 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. [2020-10-20 06:30:04,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.67 ms. Allocated memory was 36.2 MB in the beginning and 44.6 MB in the end (delta: 8.4 MB). Free memory was 14.7 MB in the beginning and 21.7 MB in the end (delta: -7.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:30:04,304 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.79 ms. Allocated memory is still 44.6 MB. Free memory was 21.7 MB in the beginning and 18.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:30:04,305 INFO L168 Benchmark]: Boogie Preprocessor took 70.91 ms. Allocated memory is still 44.6 MB. Free memory was 18.8 MB in the beginning and 16.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:30:04,306 INFO L168 Benchmark]: RCFGBuilder took 788.68 ms. Allocated memory was 44.6 MB in the beginning and 47.7 MB in the end (delta: 3.1 MB). Free memory was 16.7 MB in the beginning and 23.3 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:30:04,306 INFO L168 Benchmark]: TraceAbstraction took 1747.70 ms. Allocated memory was 47.7 MB in the beginning and 56.1 MB in the end (delta: 8.4 MB). Free memory was 22.6 MB in the beginning and 18.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 12.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:30:04,307 INFO L168 Benchmark]: Witness Printer took 5.47 ms. Allocated memory is still 56.1 MB. Free memory was 18.8 MB in the beginning and 18.3 MB in the end (delta: 532.4 kB). Peak memory consumption was 532.4 kB. Max. memory is 14.3 GB. [2020-10-20 06:30:04,313 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 33.6 MB. Free memory was 9.1 MB in the beginning and 9.0 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 510.67 ms. Allocated memory was 36.2 MB in the beginning and 44.6 MB in the end (delta: 8.4 MB). Free memory was 14.7 MB in the beginning and 21.7 MB in the end (delta: -7.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 95.79 ms. Allocated memory is still 44.6 MB. Free memory was 21.7 MB in the beginning and 18.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 70.91 ms. Allocated memory is still 44.6 MB. Free memory was 18.8 MB in the beginning and 16.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 788.68 ms. Allocated memory was 44.6 MB in the beginning and 47.7 MB in the end (delta: 3.1 MB). Free memory was 16.7 MB in the beginning and 23.3 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1747.70 ms. Allocated memory was 47.7 MB in the beginning and 56.1 MB in the end (delta: 8.4 MB). Free memory was 22.6 MB in the beginning and 18.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 12.2 MB. Max. memory is 14.3 GB. * Witness Printer took 5.47 ms. Allocated memory is still 56.1 MB. Free memory was 18.8 MB in the beginning and 18.3 MB in the end (delta: 532.4 kB). Peak memory consumption was 532.4 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 73]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 72. Possible FailurePath: [L222] unsigned int a ; [L223] unsigned int ma = __VERIFIER_nondet_uint(); [L224] signed char ea = __VERIFIER_nondet_char(); [L225] unsigned int b ; [L226] unsigned int mb = __VERIFIER_nondet_uint(); [L227] signed char eb = __VERIFIER_nondet_char(); [L228] unsigned int r_add ; [L229] unsigned int zero ; [L230] int sa ; [L231] int sb ; [L232] int tmp ; [L233] int tmp___0 ; [L234] int tmp___1 ; [L235] int tmp___2 ; [L236] int tmp___3 ; [L237] int tmp___4 ; [L238] int tmp___5 ; [L239] int tmp___6 ; [L240] int tmp___7 ; [L241] int tmp___8 ; [L242] int tmp___9 ; [L243] int __retres23 ; [L21] unsigned int res ; [L22] unsigned int __retres4 ; [L25] COND TRUE ! m [L26] __retres4 = 0U [L76] return (__retres4); [L247] zero = base2flt(0, 0) [L21] unsigned int res ; [L22] unsigned int __retres4 ; [L25] COND FALSE !(! m) [L31] COND FALSE !(m < 1U << 24U) [L53] COND TRUE 1 [L55] COND FALSE !(m >= 1U << 25U) [L72] m = m & ~ (1U << 24U) [L73] EXPR e + 128 [L73] (e + 128) << 24U - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 165 locations, 36 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 979 SDtfs, 733 SDslu, 436 SDs, 0 SdLazy, 267 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 194 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 1623 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...