./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 9f16087843ad8a83da47d6a6a4e9d674fa79150d ......................................................................................................................................................................................................................................................................................................................................................................................... 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*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: null --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:23:02,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:23:02,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:23:02,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:23:02,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:23:02,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:23:02,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:23:02,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:23:02,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:23:02,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:23:02,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:23:02,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:23:02,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:23:02,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:23:02,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:23:02,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:23:02,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:23:02,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:23:02,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:23:02,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:23:02,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:23:02,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:23:02,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:23:02,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:23:02,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:23:02,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:23:02,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:23:02,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:23:02,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:23:02,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:23:02,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:23:02,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:23:02,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:23:02,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:23:02,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:23:02,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:23:02,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:23:02,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:23:02,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:23:02,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:23:02,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:23:02,279 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-07-29 01:23:02,303 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:23:02,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:23:02,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:23:02,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:23:02,306 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:23:02,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:23:02,307 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:23:02,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:23:02,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:23:02,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-29 01:23:02,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-29 01:23:02,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-29 01:23:02,310 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-07-29 01:23:02,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:23:02,310 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:23:02,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-29 01:23:02,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:23:02,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:23:02,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-29 01:23:02,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-29 01:23:02,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:23:02,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:23:02,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-29 01:23:02,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-29 01:23:02,314 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:23:02,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-29 01:23:02,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-29 01:23:02,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:23:02,315 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f16087843ad8a83da47d6a6a4e9d674fa79150d [2020-07-29 01:23:02,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:23:02,679 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:23:02,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:23:02,684 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:23:02,686 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:23:02,687 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2020-07-29 01:23:02,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec6c37f2c/4bba2af844e34eb9878f9e463f466d62/FLAG5de2175c8 [2020-07-29 01:23:03,232 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:23:03,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2020-07-29 01:23:03,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec6c37f2c/4bba2af844e34eb9878f9e463f466d62/FLAG5de2175c8 [2020-07-29 01:23:03,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec6c37f2c/4bba2af844e34eb9878f9e463f466d62 [2020-07-29 01:23:03,614 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:23:03,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:23:03,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:23:03,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:23:03,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:23:03,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:23:03" (1/1) ... [2020-07-29 01:23:03,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29fd01e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:23:03, skipping insertion in model container [2020-07-29 01:23:03,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:23:03" (1/1) ... [2020-07-29 01:23:03,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:23:03,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:23:03,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:23:03,914 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:23:03,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:23:03,955 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:23:03,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:23:03 WrapperNode [2020-07-29 01:23:03,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:23:03,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:23:03,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:23:03,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:23:03,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:23:03" (1/1) ... [2020-07-29 01:23:03,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:23:03" (1/1) ... [2020-07-29 01:23:04,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:23:04,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:23:04,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:23:04,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:23:04,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:23:03" (1/1) ... [2020-07-29 01:23:04,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:23:03" (1/1) ... [2020-07-29 01:23:04,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:23:03" (1/1) ... [2020-07-29 01:23:04,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:23:03" (1/1) ... [2020-07-29 01:23:04,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:23:03" (1/1) ... [2020-07-29 01:23:04,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:23:03" (1/1) ... [2020-07-29 01:23:04,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:23:03" (1/1) ... [2020-07-29 01:23:04,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:23:04,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:23:04,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:23:04,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:23:04,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:23:03" (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 [2020-07-29 01:23:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:23:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:23:04,504 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:23:04,505 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-29 01:23:04,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:23:04 BoogieIcfgContainer [2020-07-29 01:23:04,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:23:04,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-29 01:23:04,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-29 01:23:04,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-29 01:23:04,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.07 01:23:03" (1/3) ... [2020-07-29 01:23:04,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123379b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:23:04, skipping insertion in model container [2020-07-29 01:23:04,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:23:03" (2/3) ... [2020-07-29 01:23:04,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123379b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:23:04, skipping insertion in model container [2020-07-29 01:23:04,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:23:04" (3/3) ... [2020-07-29 01:23:04,517 INFO L109 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-complex.c [2020-07-29 01:23:04,527 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-29 01:23:04,535 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2020-07-29 01:23:04,565 INFO L251 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-07-29 01:23:04,591 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-29 01:23:04,591 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-29 01:23:04,591 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-29 01:23:04,591 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:23:04,591 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:23:04,592 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-29 01:23:04,592 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:23:04,592 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-29 01:23:04,608 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-07-29 01:23:04,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-07-29 01:23:04,614 INFO L414 BasicCegarLoop]: Found error trace [2020-07-29 01:23:04,615 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-07-29 01:23:04,616 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-07-29 01:23:04,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:23:04,621 INFO L82 PathProgramCache]: Analyzing trace with hash 964492, now seen corresponding path program 1 times [2020-07-29 01:23:04,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:23:04,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960748984] [2020-07-29 01:23:04,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:23:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:23:04,757 INFO L280 TraceCheckUtils]: 0: Hoare triple {36#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~a~0, main_~b~0;havoc main_~a~0;havoc main_~b~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647;main_~b~0 := main_#t~nondet1;havoc main_#t~nondet1; {36#true} is VALID [2020-07-29 01:23:04,757 INFO L280 TraceCheckUtils]: 1: Hoare triple {36#true} assume !!(main_~a~0 < 30); {36#true} is VALID [2020-07-29 01:23:04,759 INFO L280 TraceCheckUtils]: 2: Hoare triple {36#true} assume !true; {37#false} is VALID [2020-07-29 01:23:04,759 INFO L280 TraceCheckUtils]: 3: Hoare triple {37#false} assume !(2 + main_~a~0 <= 2147483647); {37#false} is VALID [2020-07-29 01:23:04,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:23:04,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960748984] [2020-07-29 01:23:04,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 01:23:04,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-29 01:23:04,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162115345] [2020-07-29 01:23:04,773 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-07-29 01:23:04,775 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-29 01:23:04,779 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-29 01:23:04,807 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:23:04,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-29 01:23:04,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 01:23:04,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-29 01:23:04,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-29 01:23:04,818 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-07-29 01:23:04,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:23:04,899 INFO L93 Difference]: Finished difference Result 65 states and 75 transitions. [2020-07-29 01:23:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-29 01:23:04,900 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-07-29 01:23:04,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-29 01:23:04,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-29 01:23:04,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 75 transitions. [2020-07-29 01:23:04,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-29 01:23:04,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 75 transitions. [2020-07-29 01:23:04,916 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 75 transitions. [2020-07-29 01:23:05,030 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:23:05,042 INFO L225 Difference]: With dead ends: 65 [2020-07-29 01:23:05,042 INFO L226 Difference]: Without dead ends: 29 [2020-07-29 01:23:05,046 INFO L675 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 [2020-07-29 01:23:05,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-07-29 01:23:05,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-07-29 01:23:05,086 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:23:05,086 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand 29 states. [2020-07-29 01:23:05,087 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-29 01:23:05,087 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-29 01:23:05,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:23:05,091 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2020-07-29 01:23:05,092 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2020-07-29 01:23:05,092 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:23:05,092 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:23:05,093 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-29 01:23:05,093 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-29 01:23:05,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:23:05,096 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2020-07-29 01:23:05,096 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2020-07-29 01:23:05,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:23:05,097 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:23:05,097 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:23:05,097 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:23:05,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-29 01:23:05,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2020-07-29 01:23:05,102 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 4 [2020-07-29 01:23:05,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-29 01:23:05,102 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2020-07-29 01:23:05,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-29 01:23:05,103 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2020-07-29 01:23:05,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-07-29 01:23:05,103 INFO L414 BasicCegarLoop]: Found error trace [2020-07-29 01:23:05,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-07-29 01:23:05,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-29 01:23:05,104 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-07-29 01:23:05,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:23:05,105 INFO L82 PathProgramCache]: Analyzing trace with hash 963500, now seen corresponding path program 1 times [2020-07-29 01:23:05,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:23:05,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974366129] [2020-07-29 01:23:05,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:23:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:23:05,147 INFO L280 TraceCheckUtils]: 0: Hoare triple {200#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~a~0, main_~b~0;havoc main_~a~0;havoc main_~b~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647;main_~b~0 := main_#t~nondet1;havoc main_#t~nondet1; {200#true} is VALID [2020-07-29 01:23:05,148 INFO L280 TraceCheckUtils]: 1: Hoare triple {200#true} assume !!(main_~a~0 < 30); {202#(<= ULTIMATE.start_main_~a~0 29)} is VALID [2020-07-29 01:23:05,149 INFO L280 TraceCheckUtils]: 2: Hoare triple {202#(<= ULTIMATE.start_main_~a~0 29)} assume !(main_~b~0 < main_~a~0); {202#(<= ULTIMATE.start_main_~a~0 29)} is VALID [2020-07-29 01:23:05,150 INFO L280 TraceCheckUtils]: 3: Hoare triple {202#(<= ULTIMATE.start_main_~a~0 29)} assume !(2 + main_~a~0 <= 2147483647); {201#false} is VALID [2020-07-29 01:23:05,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:23:05,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974366129] [2020-07-29 01:23:05,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 01:23:05,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-29 01:23:05,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223177200] [2020-07-29 01:23:05,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-07-29 01:23:05,153 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-29 01:23:05,153 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:23:05,162 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:23:05,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-29 01:23:05,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 01:23:05,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-29 01:23:05,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-29 01:23:05,163 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 3 states. [2020-07-29 01:23:05,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:23:05,272 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2020-07-29 01:23:05,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-29 01:23:05,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-07-29 01:23:05,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-29 01:23:05,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:23:05,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 58 transitions. [2020-07-29 01:23:05,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:23:05,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 58 transitions. [2020-07-29 01:23:05,277 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 58 transitions. [2020-07-29 01:23:05,359 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:23:05,362 INFO L225 Difference]: With dead ends: 49 [2020-07-29 01:23:05,362 INFO L226 Difference]: Without dead ends: 46 [2020-07-29 01:23:05,363 INFO L675 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 [2020-07-29 01:23:05,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-07-29 01:23:05,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 39. [2020-07-29 01:23:05,373 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:23:05,373 INFO L82 GeneralOperation]: Start isEquivalent. First operand 46 states. Second operand 39 states. [2020-07-29 01:23:05,374 INFO L74 IsIncluded]: Start isIncluded. First operand 46 states. Second operand 39 states. [2020-07-29 01:23:05,374 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 39 states. [2020-07-29 01:23:05,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:23:05,377 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions. [2020-07-29 01:23:05,378 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2020-07-29 01:23:05,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:23:05,379 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:23:05,379 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 46 states. [2020-07-29 01:23:05,379 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 46 states. [2020-07-29 01:23:05,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:23:05,383 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions. [2020-07-29 01:23:05,383 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2020-07-29 01:23:05,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:23:05,384 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:23:05,384 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:23:05,384 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:23:05,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-07-29 01:23:05,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2020-07-29 01:23:05,387 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 4 [2020-07-29 01:23:05,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-29 01:23:05,388 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2020-07-29 01:23:05,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-29 01:23:05,388 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2020-07-29 01:23:05,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-07-29 01:23:05,389 INFO L414 BasicCegarLoop]: Found error trace [2020-07-29 01:23:05,389 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-07-29 01:23:05,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-29 01:23:05,390 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-07-29 01:23:05,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:23:05,390 INFO L82 PathProgramCache]: Analyzing trace with hash 29868584, now seen corresponding path program 1 times [2020-07-29 01:23:05,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:23:05,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312155888] [2020-07-29 01:23:05,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:23:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:23:05,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-29 01:23:05,402 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.ProofTermGenerator.convert(ProofTermGenerator.java:150) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:797) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-29 01:23:05,408 INFO L168 Benchmark]: Toolchain (without parser) took 1791.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 958.9 MB in the beginning and 955.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 78.4 MB. Max. memory is 11.5 GB. [2020-07-29 01:23:05,409 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:23:05,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.48 ms. Allocated memory is still 1.0 GB. Free memory was 958.9 MB in the beginning and 948.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:23:05,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.61 ms. Allocated memory is still 1.0 GB. Free memory is still 948.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:23:05,411 INFO L168 Benchmark]: Boogie Preprocessor took 99.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -115.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:23:05,412 INFO L168 Benchmark]: RCFGBuilder took 400.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2020-07-29 01:23:05,413 INFO L168 Benchmark]: TraceAbstraction took 895.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 955.4 MB in the end (delta: 75.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:23:05,418 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.48 ms. Allocated memory is still 1.0 GB. Free memory was 958.9 MB in the beginning and 948.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.61 ms. Allocated memory is still 1.0 GB. Free memory is still 948.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 99.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -115.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 400.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 895.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 955.4 MB in the end (delta: 75.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...