./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-industry-pattern/mod3_true-unreach-call.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5b28b644-81a8-45ca-ae4b-75ad145683e3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5b28b644-81a8-45ca-ae4b-75ad145683e3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5b28b644-81a8-45ca-ae4b-75ad145683e3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5b28b644-81a8-45ca-ae4b-75ad145683e3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/mod3_true-unreach-call.c.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5b28b644-81a8-45ca-ae4b-75ad145683e3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5b28b644-81a8-45ca-ae4b-75ad145683e3/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8890a6e15e91dc33e0e8fdcf0ca164911989393b ............................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:49:22,498 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:49:22,499 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:49:22,506 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:49:22,506 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:49:22,507 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:49:22,507 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:49:22,508 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:49:22,510 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:49:22,510 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:49:22,511 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:49:22,511 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:49:22,512 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:49:22,514 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:49:22,515 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:49:22,515 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:49:22,516 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:49:22,517 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:49:22,518 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:49:22,519 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:49:22,520 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:49:22,521 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:49:22,523 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:49:22,523 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:49:22,523 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:49:22,524 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:49:22,524 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:49:22,525 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:49:22,525 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:49:22,526 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:49:22,526 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:49:22,526 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:49:22,526 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:49:22,527 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:49:22,527 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:49:22,527 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:49:22,527 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5b28b644-81a8-45ca-ae4b-75ad145683e3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 07:49:22,534 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:49:22,535 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:49:22,535 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:49:22,535 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:49:22,536 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:49:22,536 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:49:22,536 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 07:49:22,536 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:49:22,536 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:49:22,536 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:49:22,537 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:49:22,537 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:49:22,537 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:49:22,537 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:49:22,537 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:49:22,537 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:49:22,537 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:49:22,538 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:49:22,538 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:49:22,538 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:49:22,538 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:49:22,538 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:49:22,538 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:49:22,539 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:49:22,539 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:49:22,539 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:49:22,539 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 07:49:22,539 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:49:22,539 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:49:22,539 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_5b28b644-81a8-45ca-ae4b-75ad145683e3/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8890a6e15e91dc33e0e8fdcf0ca164911989393b [2018-11-10 07:49:22,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:49:22,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:49:22,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:49:22,573 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:49:22,573 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:49:22,573 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5b28b644-81a8-45ca-ae4b-75ad145683e3/bin-2019/uautomizer/../../sv-benchmarks/c/loop-industry-pattern/mod3_true-unreach-call.c.v+cfa-reducer.c [2018-11-10 07:49:22,611 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5b28b644-81a8-45ca-ae4b-75ad145683e3/bin-2019/uautomizer/data/80d1e57bc/f4cab298d87b4765a87a7ab4b159a8b4/FLAG8c7495de6 [2018-11-10 07:49:22,998 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:49:22,998 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5b28b644-81a8-45ca-ae4b-75ad145683e3/sv-benchmarks/c/loop-industry-pattern/mod3_true-unreach-call.c.v+cfa-reducer.c [2018-11-10 07:49:23,002 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5b28b644-81a8-45ca-ae4b-75ad145683e3/bin-2019/uautomizer/data/80d1e57bc/f4cab298d87b4765a87a7ab4b159a8b4/FLAG8c7495de6 [2018-11-10 07:49:23,014 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5b28b644-81a8-45ca-ae4b-75ad145683e3/bin-2019/uautomizer/data/80d1e57bc/f4cab298d87b4765a87a7ab4b159a8b4 [2018-11-10 07:49:23,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:49:23,016 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 07:49:23,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:49:23,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:49:23,019 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:49:23,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:49:23" (1/1) ... [2018-11-10 07:49:23,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12305cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:23, skipping insertion in model container [2018-11-10 07:49:23,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:49:23" (1/1) ... [2018-11-10 07:49:23,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:49:23,041 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:49:23,136 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:49:23,138 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:49:23,149 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:49:23,156 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:49:23,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:23 WrapperNode [2018-11-10 07:49:23,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:49:23,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:49:23,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:49:23,157 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:49:23,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:23" (1/1) ... [2018-11-10 07:49:23,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:23" (1/1) ... [2018-11-10 07:49:23,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:23" (1/1) ... [2018-11-10 07:49:23,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:23" (1/1) ... [2018-11-10 07:49:23,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:23" (1/1) ... [2018-11-10 07:49:23,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:23" (1/1) ... [2018-11-10 07:49:23,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:23" (1/1) ... [2018-11-10 07:49:23,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:49:23,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:49:23,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:49:23,174 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:49:23,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b28b644-81a8-45ca-ae4b-75ad145683e3/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:49:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 07:49:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:49:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 07:49:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 07:49:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 07:49:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 07:49:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 07:49:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 07:49:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:49:23,392 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:49:23,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:49:23 BoogieIcfgContainer [2018-11-10 07:49:23,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:49:23,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 07:49:23,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 07:49:23,395 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 07:49:23,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:49:23" (1/3) ... [2018-11-10 07:49:23,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ca451d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:49:23, skipping insertion in model container [2018-11-10 07:49:23,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:23" (2/3) ... [2018-11-10 07:49:23,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ca451d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:49:23, skipping insertion in model container [2018-11-10 07:49:23,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:49:23" (3/3) ... [2018-11-10 07:49:23,397 INFO L112 eAbstractionObserver]: Analyzing ICFG mod3_true-unreach-call.c.v+cfa-reducer.c [2018-11-10 07:49:23,403 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 07:49:23,408 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 07:49:23,418 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 07:49:23,437 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 07:49:23,437 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 07:49:23,437 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 07:49:23,437 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 07:49:23,438 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:49:23,438 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:49:23,438 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 07:49:23,438 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:49:23,438 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 07:49:23,450 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-10 07:49:23,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 07:49:23,453 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:49:23,454 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:49:23,455 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:49:23,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:49:23,459 INFO L82 PathProgramCache]: Analyzing trace with hash 964689295, now seen corresponding path program 1 times [2018-11-10 07:49:23,460 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:49:23,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:49:23,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:49:23,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:49:23,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:49:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:49:23,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:49:23,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:49:23,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 07:49:23,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 07:49:23,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 07:49:23,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:49:23,591 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2018-11-10 07:49:23,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:49:23,625 INFO L93 Difference]: Finished difference Result 34 states and 44 transitions. [2018-11-10 07:49:23,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 07:49:23,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-10 07:49:23,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:49:23,638 INFO L225 Difference]: With dead ends: 34 [2018-11-10 07:49:23,638 INFO L226 Difference]: Without dead ends: 20 [2018-11-10 07:49:23,640 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:49:23,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-11-10 07:49:23,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2018-11-10 07:49:23,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-10 07:49:23,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2018-11-10 07:49:23,669 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 11 [2018-11-10 07:49:23,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:49:23,670 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2018-11-10 07:49:23,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 07:49:23,670 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2018-11-10 07:49:23,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 07:49:23,670 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:49:23,670 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:49:23,670 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:49:23,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:49:23,671 INFO L82 PathProgramCache]: Analyzing trace with hash 2096975293, now seen corresponding path program 1 times [2018-11-10 07:49:23,671 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:49:23,671 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:49:23,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:49:23,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:49:23,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:49:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:49:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:49:23,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:49:23,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:49:23,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:49:23,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:49:23,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:49:23,754 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand 4 states. [2018-11-10 07:49:26,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:49:26,105 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2018-11-10 07:49:26,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:49:26,105 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-11-10 07:49:26,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:49:26,106 INFO L225 Difference]: With dead ends: 35 [2018-11-10 07:49:26,106 INFO L226 Difference]: Without dead ends: 22 [2018-11-10 07:49:26,107 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:49:26,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-11-10 07:49:26,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2018-11-10 07:49:26,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-11-10 07:49:26,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2018-11-10 07:49:26,110 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 14 [2018-11-10 07:49:26,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:49:26,110 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2018-11-10 07:49:26,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:49:26,110 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-11-10 07:49:26,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 07:49:26,111 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:49:26,111 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:49:26,111 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:49:26,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:49:26,111 INFO L82 PathProgramCache]: Analyzing trace with hash -726667991, now seen corresponding path program 1 times [2018-11-10 07:49:26,112 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:49:26,112 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:49:26,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:49:26,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:49:26,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:49:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:49:26,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:49:26,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:49:26,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:49:26,216 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:49:26,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:49:26,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:49:26,217 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand 4 states. [2018-11-10 07:49:27,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:49:27,667 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2018-11-10 07:49:27,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:49:27,667 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-11-10 07:49:27,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:49:27,670 INFO L225 Difference]: With dead ends: 37 [2018-11-10 07:49:27,670 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 07:49:27,671 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:49:27,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 07:49:27,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 07:49:27,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 07:49:27,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 07:49:27,671 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-11-10 07:49:27,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:49:27,672 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:49:27,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:49:27,672 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 07:49:27,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:49:27,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 07:49:27,691 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:49:27,691 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 07:49:27,691 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:49:27,691 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:49:27,691 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 07:49:27,691 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 07:49:27,691 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:49:27,692 INFO L425 ceAbstractionStarter]: For program point L25(lines 25 47) no Hoare annotation was computed. [2018-11-10 07:49:27,692 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 7 76) no Hoare annotation was computed. [2018-11-10 07:49:27,692 INFO L425 ceAbstractionStarter]: For program point L52(lines 52 74) no Hoare annotation was computed. [2018-11-10 07:49:27,692 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 7 76) no Hoare annotation was computed. [2018-11-10 07:49:27,692 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 7 76) the Hoare annotation is: true [2018-11-10 07:49:27,692 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-10 07:49:27,692 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-11-10 07:49:27,692 INFO L425 ceAbstractionStarter]: For program point L16(lines 16 48) no Hoare annotation was computed. [2018-11-10 07:49:27,692 INFO L425 ceAbstractionStarter]: For program point L14(lines 14 75) no Hoare annotation was computed. [2018-11-10 07:49:27,692 INFO L421 ceAbstractionStarter]: At program point L45(lines 8 76) the Hoare annotation is: (or (and (<= main_~main__y~0 1) (<= 1 main_~main__y~0)) (let ((.cse0 (* 1431655765 main_~main__x~0))) (<= .cse0 (+ (* 4294967296 (div (+ .cse0 (- 2863311531)) 4294967296)) 4294967295)))) [2018-11-10 07:49:27,692 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 61) no Hoare annotation was computed. [2018-11-10 07:49:27,692 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 46) no Hoare annotation was computed. [2018-11-10 07:49:27,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:49:27 BoogieIcfgContainer [2018-11-10 07:49:27,700 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 07:49:27,701 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:49:27,701 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:49:27,701 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:49:27,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:49:23" (3/4) ... [2018-11-10 07:49:27,704 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:49:27,710 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 07:49:27,710 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 07:49:27,714 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-10 07:49:27,714 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 07:49:27,745 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5b28b644-81a8-45ca-ae4b-75ad145683e3/bin-2019/uautomizer/witness.graphml [2018-11-10 07:49:27,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:49:27,746 INFO L168 Benchmark]: Toolchain (without parser) took 4729.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -107.5 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:49:27,747 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:49:27,747 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.99 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:49:27,747 INFO L168 Benchmark]: Boogie Preprocessor took 16.97 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:49:27,747 INFO L168 Benchmark]: RCFGBuilder took 218.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -193.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 07:49:27,748 INFO L168 Benchmark]: TraceAbstraction took 4307.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 66.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 11.5 GB. [2018-11-10 07:49:27,748 INFO L168 Benchmark]: Witness Printer took 44.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:49:27,749 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 139.99 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.97 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 218.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -193.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4307.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 66.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 11.5 GB. * Witness Printer took 44.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 61]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: (main__y <= 1 && 1 <= main__y) || 1431655765 * main__x <= 4294967296 * ((1431655765 * main__x + -2863311531) / 4294967296) + 4294967295 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 19 locations, 1 error locations. SAFE Result, 4.2s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 3.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 58 SDtfs, 13 SDslu, 68 SDs, 0 SdLazy, 40 SolverSat, 9 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 8 NumberOfFragments, 27 HoareAnnotationTreeSize, 5 FomulaSimplifications, 31 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 1833 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...