./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:30:03,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:30:03,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:30:03,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:30:03,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:30:03,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:30:03,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:30:03,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:30:03,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:30:03,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:30:03,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:30:03,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:30:03,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:30:03,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:30:03,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:30:03,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:30:03,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:30:03,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:30:03,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:30:03,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:30:03,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:30:03,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:30:03,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:30:03,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:30:03,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:30:03,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:30:03,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:30:03,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:30:03,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:30:03,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:30:03,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:30:03,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:30:03,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:30:03,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:30:03,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:30:03,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:30:03,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:30:03,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:30:03,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:30:03,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:30:03,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:30:03,464 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-10-19 18:30:03,488 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:30:03,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:30:03,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:30:03,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:30:03,490 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:30:03,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:30:03,491 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:30:03,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:30:03,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:30:03,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 18:30:03,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:30:03,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 18:30:03,492 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-19 18:30:03,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:30:03,492 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:30:03,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 18:30:03,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:30:03,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:30:03,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:30:03,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:30:03,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:30:03,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:30:03,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:30:03,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 18:30:03,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:30:03,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:30:03,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 18:30:03,495 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:30:03,495 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 [2020-10-19 18:30:03,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:30:03,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:30:03,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:30:03,848 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:30:03,848 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:30:03,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2020-10-19 18:30:03,908 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da9b78166/0b47d26980494b9ea67a7cc0ded81cc0/FLAGf63386192 [2020-10-19 18:30:04,315 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:30:04,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2020-10-19 18:30:04,322 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da9b78166/0b47d26980494b9ea67a7cc0ded81cc0/FLAGf63386192 [2020-10-19 18:30:04,726 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da9b78166/0b47d26980494b9ea67a7cc0ded81cc0 [2020-10-19 18:30:04,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:30:04,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:30:04,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:30:04,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:30:04,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:30:04,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:30:04" (1/1) ... [2020-10-19 18:30:04,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27cbe633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:30:04, skipping insertion in model container [2020-10-19 18:30:04,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:30:04" (1/1) ... [2020-10-19 18:30:04,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:30:04,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:30:05,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:30:05,042 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:30:05,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:30:05,077 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:30:05,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:30:05 WrapperNode [2020-10-19 18:30:05,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:30:05,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:30:05,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:30:05,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:30:05,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:30:05" (1/1) ... [2020-10-19 18:30:05,089 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:30:05" (1/1) ... [2020-10-19 18:30:05,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:30:05,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:30:05,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:30:05,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:30:05,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:30:05" (1/1) ... [2020-10-19 18:30:05,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:30:05" (1/1) ... [2020-10-19 18:30:05,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:30:05" (1/1) ... [2020-10-19 18:30:05,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:30:05" (1/1) ... [2020-10-19 18:30:05,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:30:05" (1/1) ... [2020-10-19 18:30:05,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:30:05" (1/1) ... [2020-10-19 18:30:05,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:30:05" (1/1) ... [2020-10-19 18:30:05,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:30:05,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:30:05,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:30:05,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:30:05,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:30:05" (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 [2020-10-19 18:30:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:30:05,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:30:05,472 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:30:05,472 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-19 18:30:05,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:30:05 BoogieIcfgContainer [2020-10-19 18:30:05,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:30:05,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:30:05,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:30:05,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:30:05,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:30:04" (1/3) ... [2020-10-19 18:30:05,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d95176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:30:05, skipping insertion in model container [2020-10-19 18:30:05,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:30:05" (2/3) ... [2020-10-19 18:30:05,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d95176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:30:05, skipping insertion in model container [2020-10-19 18:30:05,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:30:05" (3/3) ... [2020-10-19 18:30:05,485 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-complex.c [2020-10-19 18:30:05,498 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:30:05,505 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2020-10-19 18:30:05,525 INFO L253 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-10-19 18:30:05,562 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:30:05,562 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 18:30:05,563 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:30:05,563 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:30:05,563 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:30:05,563 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:30:05,564 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:30:05,564 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:30:05,583 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-10-19 18:30:05,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-19 18:30:05,590 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:30:05,591 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-19 18:30:05,592 INFO L429 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]=== [2020-10-19 18:30:05,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:30:05,598 INFO L82 PathProgramCache]: Analyzing trace with hash 964492, now seen corresponding path program 1 times [2020-10-19 18:30:05,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:30:05,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26413220] [2020-10-19 18:30:05,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:30:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:30:05,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:30:05,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26413220] [2020-10-19 18:30:05,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:30:05,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 18:30:05,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522287030] [2020-10-19 18:30:05,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-19 18:30:05,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:30:05,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-19 18:30:05,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-19 18:30:05,745 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-10-19 18:30:05,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:30:05,763 INFO L93 Difference]: Finished difference Result 65 states and 75 transitions. [2020-10-19 18:30:05,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 18:30:05,765 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-10-19 18:30:05,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:30:05,775 INFO L225 Difference]: With dead ends: 65 [2020-10-19 18:30:05,775 INFO L226 Difference]: Without dead ends: 29 [2020-10-19 18:30:05,779 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 [2020-10-19 18:30:05,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-19 18:30:05,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-19 18:30:05,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-19 18:30:05,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2020-10-19 18:30:05,817 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 4 [2020-10-19 18:30:05,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:30:05,817 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2020-10-19 18:30:05,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-19 18:30:05,818 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2020-10-19 18:30:05,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-19 18:30:05,818 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:30:05,818 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-19 18:30:05,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 18:30:05,819 INFO L429 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]=== [2020-10-19 18:30:05,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:30:05,820 INFO L82 PathProgramCache]: Analyzing trace with hash 963500, now seen corresponding path program 1 times [2020-10-19 18:30:05,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:30:05,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961991687] [2020-10-19 18:30:05,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:30:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:30:05,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:30:05,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961991687] [2020-10-19 18:30:05,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:30:05,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 18:30:05,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745733237] [2020-10-19 18:30:05,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:30:05,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:30:05,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:30:05,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:30:05,871 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 3 states. [2020-10-19 18:30:05,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:30:05,953 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2020-10-19 18:30:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:30:05,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-19 18:30:05,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:30:05,956 INFO L225 Difference]: With dead ends: 49 [2020-10-19 18:30:05,957 INFO L226 Difference]: Without dead ends: 46 [2020-10-19 18:30:05,958 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 [2020-10-19 18:30:05,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-19 18:30:05,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 39. [2020-10-19 18:30:05,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-19 18:30:05,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2020-10-19 18:30:05,968 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 4 [2020-10-19 18:30:05,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:30:05,969 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2020-10-19 18:30:05,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:30:05,969 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2020-10-19 18:30:05,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-19 18:30:05,970 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:30:05,970 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-19 18:30:05,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 18:30:05,972 INFO L429 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]=== [2020-10-19 18:30:05,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:30:05,972 INFO L82 PathProgramCache]: Analyzing trace with hash 29868584, now seen corresponding path program 1 times [2020-10-19 18:30:05,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:30:05,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79768494] [2020-10-19 18:30:05,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:30:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:30:06,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:30:06,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79768494] [2020-10-19 18:30:06,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:30:06,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-19 18:30:06,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211880770] [2020-10-19 18:30:06,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:30:06,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:30:06,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:30:06,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:30:06,013 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. Second operand 3 states. [2020-10-19 18:30:06,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:30:06,046 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2020-10-19 18:30:06,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:30:06,047 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-19 18:30:06,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:30:06,048 INFO L225 Difference]: With dead ends: 39 [2020-10-19 18:30:06,048 INFO L226 Difference]: Without dead ends: 36 [2020-10-19 18:30:06,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:30:06,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-19 18:30:06,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-10-19 18:30:06,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-19 18:30:06,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2020-10-19 18:30:06,056 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 46 transitions. Word has length 5 [2020-10-19 18:30:06,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:30:06,056 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 46 transitions. [2020-10-19 18:30:06,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:30:06,057 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2020-10-19 18:30:06,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-19 18:30:06,057 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:30:06,058 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-19 18:30:06,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 18:30:06,059 INFO L429 AbstractCegarLoop]: === Iteration 4 === [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]=== [2020-10-19 18:30:06,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:30:06,059 INFO L82 PathProgramCache]: Analyzing trace with hash 29869546, now seen corresponding path program 1 times [2020-10-19 18:30:06,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:30:06,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833034973] [2020-10-19 18:30:06,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:30:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:30:06,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:30:06,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833034973] [2020-10-19 18:30:06,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:30:06,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:30:06,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741214595] [2020-10-19 18:30:06,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 18:30:06,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:30:06,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 18:30:06,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 18:30:06,089 INFO L87 Difference]: Start difference. First operand 36 states and 46 transitions. Second operand 4 states. [2020-10-19 18:30:06,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:30:06,231 INFO L93 Difference]: Finished difference Result 55 states and 68 transitions. [2020-10-19 18:30:06,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:30:06,232 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-10-19 18:30:06,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:30:06,234 INFO L225 Difference]: With dead ends: 55 [2020-10-19 18:30:06,235 INFO L226 Difference]: Without dead ends: 51 [2020-10-19 18:30:06,236 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 [2020-10-19 18:30:06,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-19 18:30:06,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 44. [2020-10-19 18:30:06,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-19 18:30:06,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2020-10-19 18:30:06,248 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 5 [2020-10-19 18:30:06,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:30:06,249 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2020-10-19 18:30:06,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 18:30:06,249 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2020-10-19 18:30:06,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-19 18:30:06,250 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:30:06,251 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-19 18:30:06,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 18:30:06,252 INFO L429 AbstractCegarLoop]: === Iteration 5 === [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]=== [2020-10-19 18:30:06,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:30:06,253 INFO L82 PathProgramCache]: Analyzing trace with hash 925926190, now seen corresponding path program 1 times [2020-10-19 18:30:06,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:30:06,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553599923] [2020-10-19 18:30:06,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:30:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:30:06,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:30:06,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553599923] [2020-10-19 18:30:06,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:30:06,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-19 18:30:06,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135601400] [2020-10-19 18:30:06,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:30:06,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:30:06,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:30:06,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:30:06,368 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand 3 states. [2020-10-19 18:30:06,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:30:06,457 INFO L93 Difference]: Finished difference Result 53 states and 68 transitions. [2020-10-19 18:30:06,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:30:06,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-19 18:30:06,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:30:06,462 INFO L225 Difference]: With dead ends: 53 [2020-10-19 18:30:06,463 INFO L226 Difference]: Without dead ends: 52 [2020-10-19 18:30:06,463 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:30:06,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-19 18:30:06,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 44. [2020-10-19 18:30:06,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-19 18:30:06,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2020-10-19 18:30:06,472 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 6 [2020-10-19 18:30:06,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:30:06,472 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2020-10-19 18:30:06,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:30:06,473 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2020-10-19 18:30:06,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-19 18:30:06,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:30:06,476 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-19 18:30:06,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 18:30:06,477 INFO L429 AbstractCegarLoop]: === Iteration 6 === [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]=== [2020-10-19 18:30:06,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:30:06,477 INFO L82 PathProgramCache]: Analyzing trace with hash 925955982, now seen corresponding path program 1 times [2020-10-19 18:30:06,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:30:06,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708190353] [2020-10-19 18:30:06,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:30:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:30:06,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:30:06,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708190353] [2020-10-19 18:30:06,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:30:06,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 18:30:06,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208082502] [2020-10-19 18:30:06,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:30:06,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:30:06,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:30:06,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:30:06,530 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand 3 states. [2020-10-19 18:30:06,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:30:06,595 INFO L93 Difference]: Finished difference Result 103 states and 135 transitions. [2020-10-19 18:30:06,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:30:06,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-19 18:30:06,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:30:06,597 INFO L225 Difference]: With dead ends: 103 [2020-10-19 18:30:06,598 INFO L226 Difference]: Without dead ends: 60 [2020-10-19 18:30:06,599 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 [2020-10-19 18:30:06,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-19 18:30:06,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2020-10-19 18:30:06,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-19 18:30:06,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2020-10-19 18:30:06,609 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 74 transitions. Word has length 6 [2020-10-19 18:30:06,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:30:06,609 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 74 transitions. [2020-10-19 18:30:06,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:30:06,610 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2020-10-19 18:30:06,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-19 18:30:06,610 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:30:06,611 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-19 18:30:06,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 18:30:06,611 INFO L429 AbstractCegarLoop]: === Iteration 7 === [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]=== [2020-10-19 18:30:06,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:30:06,612 INFO L82 PathProgramCache]: Analyzing trace with hash 925961940, now seen corresponding path program 1 times [2020-10-19 18:30:06,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:30:06,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387867687] [2020-10-19 18:30:06,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:30:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:30:06,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:30:06,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387867687] [2020-10-19 18:30:06,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:30:06,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-19 18:30:06,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016009794] [2020-10-19 18:30:06,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:30:06,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:30:06,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:30:06,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:30:06,641 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. Second operand 3 states. [2020-10-19 18:30:06,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:30:06,672 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2020-10-19 18:30:06,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:30:06,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-19 18:30:06,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:30:06,673 INFO L225 Difference]: With dead ends: 58 [2020-10-19 18:30:06,674 INFO L226 Difference]: Without dead ends: 57 [2020-10-19 18:30:06,674 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:30:06,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-19 18:30:06,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-10-19 18:30:06,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-19 18:30:06,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2020-10-19 18:30:06,684 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 6 [2020-10-19 18:30:06,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:30:06,684 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2020-10-19 18:30:06,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:30:06,685 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2020-10-19 18:30:06,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-19 18:30:06,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:30:06,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:30:06,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 18:30:06,686 INFO L429 AbstractCegarLoop]: === Iteration 8 === [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]=== [2020-10-19 18:30:06,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:30:06,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1361059094, now seen corresponding path program 1 times [2020-10-19 18:30:06,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:30:06,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868330766] [2020-10-19 18:30:06,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:30:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:30:06,702 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:30:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:30:06,720 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:30:06,740 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:30:06,740 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 18:30:06,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 18:30:06,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:30:06 BoogieIcfgContainer [2020-10-19 18:30:06,757 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:30:06,758 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:30:06,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:30:06,758 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:30:06,759 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:30:05" (3/4) ... [2020-10-19 18:30:06,761 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-19 18:30:06,804 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 18:30:06,804 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:30:06,807 INFO L168 Benchmark]: Toolchain (without parser) took 2073.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 955.9 MB in the beginning and 980.8 MB in the end (delta: -24.8 MB). Peak memory consumption was 72.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:30:06,807 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:30:06,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.07 ms. Allocated memory is still 1.0 GB. Free memory was 955.9 MB in the beginning and 945.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:30:06,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:30:06,810 INFO L168 Benchmark]: Boogie Preprocessor took 30.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:30:06,811 INFO L168 Benchmark]: RCFGBuilder took 280.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:30:06,812 INFO L168 Benchmark]: TraceAbstraction took 1280.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 980.8 MB in the end (delta: 81.2 MB). Peak memory consumption was 81.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:30:06,812 INFO L168 Benchmark]: Witness Printer took 46.10 ms. Allocated memory is still 1.1 GB. Free memory is still 980.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:30:06,817 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.07 ms. Allocated memory is still 1.0 GB. Free memory was 955.9 MB in the beginning and 945.2 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 85.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 280.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1280.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 980.8 MB in the end (delta: 81.2 MB). Peak memory consumption was 81.2 MB. Max. memory is 11.5 GB. * Witness Printer took 46.10 ms. Allocated memory is still 1.1 GB. Free memory is still 980.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 30]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int a, b; [L14] a = __VERIFIER_nondet_int() [L15] b = __VERIFIER_nondet_int() [L16] COND TRUE a < 30 [L17] COND FALSE !(b < a) [L29] EXPR a + 2 [L29] a = a + 2 [L30] b - 10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 136 SDtfs, 119 SDslu, 40 SDs, 0 SdLazy, 161 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=6, 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, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 395 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 proved your program to be incorrect! Received shutdown request...