./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Cairo_step2-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_33a74828-ac34-43e9-9cc2-cc5f138fe7bc/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_33a74828-ac34-43e9-9cc2-cc5f138fe7bc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_33a74828-ac34-43e9-9cc2-cc5f138fe7bc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_33a74828-ac34-43e9-9cc2-cc5f138fe7bc/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Cairo_step2-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_33a74828-ac34-43e9-9cc2-cc5f138fe7bc/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_33a74828-ac34-43e9-9cc2-cc5f138fe7bc/bin/uautomizer --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 c7d1dab681440b8e4fbe52aab1c781a8a0ad5fbc .................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 08:14:52,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:14:52,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:14:52,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:14:52,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:14:52,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:14:52,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:14:52,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:14:52,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:14:52,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:14:52,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:14:52,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:14:52,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:14:52,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:14:52,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:14:52,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:14:52,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:14:52,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:14:52,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:14:52,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:14:52,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:14:52,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:14:52,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:14:52,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:14:52,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:14:52,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:14:52,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:14:52,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:14:52,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:14:52,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:14:52,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:14:52,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:14:52,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:14:52,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:14:52,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:14:52,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:14:52,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:14:52,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:14:52,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:14:52,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:14:52,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:14:52,232 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_33a74828-ac34-43e9-9cc2-cc5f138fe7bc/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-20 08:14:52,250 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:14:52,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:14:52,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:14:52,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:14:52,252 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 08:14:52,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:14:52,252 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 08:14:52,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:14:52,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:14:52,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 08:14:52,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 08:14:52,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 08:14:52,254 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 08:14:52,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:14:52,255 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:14:52,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 08:14:52,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:14:52,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 08:14:52,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 08:14:52,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 08:14:52,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 08:14:52,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:14:52,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 08:14:52,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 08:14:52,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 08:14:52,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 08:14:52,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 08:14:52,257 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_33a74828-ac34-43e9-9cc2-cc5f138fe7bc/bin/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 ! 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 -> c7d1dab681440b8e4fbe52aab1c781a8a0ad5fbc [2019-11-20 08:14:52,429 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:14:52,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:14:52,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:14:52,443 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:14:52,443 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:14:52,443 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_33a74828-ac34-43e9-9cc2-cc5f138fe7bc/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Cairo_step2-1.c [2019-11-20 08:14:52,496 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33a74828-ac34-43e9-9cc2-cc5f138fe7bc/bin/uautomizer/data/c54f8dd23/5446253bcce946e7879117fc32eac068/FLAGbfffdf20f [2019-11-20 08:14:52,871 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:14:52,873 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_33a74828-ac34-43e9-9cc2-cc5f138fe7bc/sv-benchmarks/c/termination-crafted/Cairo_step2-1.c [2019-11-20 08:14:52,878 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33a74828-ac34-43e9-9cc2-cc5f138fe7bc/bin/uautomizer/data/c54f8dd23/5446253bcce946e7879117fc32eac068/FLAGbfffdf20f [2019-11-20 08:14:53,249 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_33a74828-ac34-43e9-9cc2-cc5f138fe7bc/bin/uautomizer/data/c54f8dd23/5446253bcce946e7879117fc32eac068 [2019-11-20 08:14:53,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:14:53,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:14:53,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:14:53,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:14:53,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:14:53,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:14:53" (1/1) ... [2019-11-20 08:14:53,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9c4f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:53, skipping insertion in model container [2019-11-20 08:14:53,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:14:53" (1/1) ... [2019-11-20 08:14:53,271 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:14:53,284 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:14:53,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:14:53,416 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:14:53,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:14:53,502 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:14:53,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:53 WrapperNode [2019-11-20 08:14:53,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:14:53,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:14:53,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:14:53,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:14:53,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:53" (1/1) ... [2019-11-20 08:14:53,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:53" (1/1) ... [2019-11-20 08:14:53,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:14:53,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:14:53,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:14:53,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:14:53,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:53" (1/1) ... [2019-11-20 08:14:53,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:53" (1/1) ... [2019-11-20 08:14:53,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:53" (1/1) ... [2019-11-20 08:14:53,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:53" (1/1) ... [2019-11-20 08:14:53,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:53" (1/1) ... [2019-11-20 08:14:53,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:53" (1/1) ... [2019-11-20 08:14:53,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:53" (1/1) ... [2019-11-20 08:14:53,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:14:53,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:14:53,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:14:53,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:14:53,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33a74828-ac34-43e9-9cc2-cc5f138fe7bc/bin/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 [2019-11-20 08:14:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:14:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:14:53,784 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:14:53,785 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 08:14:53,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:14:53 BoogieIcfgContainer [2019-11-20 08:14:53,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:14:53,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 08:14:53,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 08:14:53,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 08:14:53,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:14:53" (1/3) ... [2019-11-20 08:14:53,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434c5ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:14:53, skipping insertion in model container [2019-11-20 08:14:53,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:53" (2/3) ... [2019-11-20 08:14:53,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434c5ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:14:53, skipping insertion in model container [2019-11-20 08:14:53,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:14:53" (3/3) ... [2019-11-20 08:14:53,793 INFO L109 eAbstractionObserver]: Analyzing ICFG Cairo_step2-1.c [2019-11-20 08:14:53,803 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 08:14:53,809 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-20 08:14:53,820 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-20 08:14:53,848 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 08:14:53,848 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 08:14:53,848 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 08:14:53,848 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 08:14:53,848 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 08:14:53,849 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 08:14:53,849 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 08:14:53,849 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 08:14:53,865 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-11-20 08:14:53,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 08:14:53,870 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:14:53,871 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-20 08:14:53,871 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 08:14:53,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:14:53,877 INFO L82 PathProgramCache]: Analyzing trace with hash 957573, now seen corresponding path program 1 times [2019-11-20 08:14:53,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:14:53,885 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662487423] [2019-11-20 08:14:53,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:14:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:14:54,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:14:54,032 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662487423] [2019-11-20 08:14:54,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:14:54,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-20 08:14:54,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164343097] [2019-11-20 08:14:54,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 08:14:54,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:14:54,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:14:54,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 08:14:54,054 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2019-11-20 08:14:54,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:14:54,102 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2019-11-20 08:14:54,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:14:54,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-20 08:14:54,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:14:54,111 INFO L225 Difference]: With dead ends: 15 [2019-11-20 08:14:54,111 INFO L226 Difference]: Without dead ends: 6 [2019-11-20 08:14:54,114 INFO L630 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 [2019-11-20 08:14:54,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-11-20 08:14:54,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-11-20 08:14:54,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-20 08:14:54,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-11-20 08:14:54,153 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2019-11-20 08:14:54,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:14:54,154 INFO L462 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-11-20 08:14:54,154 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 08:14:54,154 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-11-20 08:14:54,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 08:14:54,155 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:14:54,155 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-20 08:14:54,155 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 08:14:54,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:14:54,156 INFO L82 PathProgramCache]: Analyzing trace with hash 29684810, now seen corresponding path program 1 times [2019-11-20 08:14:54,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:14:54,156 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461712282] [2019-11-20 08:14:54,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:14:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:14:54,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:14:54,174 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461712282] [2019-11-20 08:14:54,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:14:54,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 08:14:54,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820427691] [2019-11-20 08:14:54,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 08:14:54,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:14:54,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:14:54,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 08:14:54,176 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 3 states. [2019-11-20 08:14:54,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:14:54,191 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2019-11-20 08:14:54,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:14:54,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-20 08:14:54,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:14:54,192 INFO L225 Difference]: With dead ends: 10 [2019-11-20 08:14:54,192 INFO L226 Difference]: Without dead ends: 9 [2019-11-20 08:14:54,193 INFO L630 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 [2019-11-20 08:14:54,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-20 08:14:54,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-20 08:14:54,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-20 08:14:54,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-11-20 08:14:54,196 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2019-11-20 08:14:54,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:14:54,196 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-11-20 08:14:54,196 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 08:14:54,197 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-11-20 08:14:54,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 08:14:54,197 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:14:54,197 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2019-11-20 08:14:54,197 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 08:14:54,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:14:54,198 INFO L82 PathProgramCache]: Analyzing trace with hash -423045501, now seen corresponding path program 1 times [2019-11-20 08:14:54,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:14:54,198 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270645775] [2019-11-20 08:14:54,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:14:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:14:54,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:14:54,228 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270645775] [2019-11-20 08:14:54,228 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365057172] [2019-11-20 08:14:54,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33a74828-ac34-43e9-9cc2-cc5f138fe7bc/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:14:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:14:54,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 08:14:54,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:14:54,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:14:54,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 08:14:54,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2019-11-20 08:14:54,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3634866] [2019-11-20 08:14:54,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 08:14:54,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:14:54,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 08:14:54,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 08:14:54,292 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2019-11-20 08:14:54,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:14:54,324 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2019-11-20 08:14:54,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 08:14:54,325 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-20 08:14:54,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:14:54,325 INFO L225 Difference]: With dead ends: 9 [2019-11-20 08:14:54,326 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 08:14:54,326 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 08:14:54,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 08:14:54,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 08:14:54,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 08:14:54,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 08:14:54,327 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-11-20 08:14:54,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:14:54,327 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:14:54,327 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 08:14:54,328 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 08:14:54,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 08:14:54,531 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:14:54,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 08:14:54,592 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2019-11-20 08:14:54,592 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 08:14:54,592 INFO L444 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2019-11-20 08:14:54,592 INFO L444 ceAbstractionStarter]: For program point L17-1(line 17) no Hoare annotation was computed. [2019-11-20 08:14:54,593 INFO L444 ceAbstractionStarter]: For program point L15(lines 15 19) no Hoare annotation was computed. [2019-11-20 08:14:54,593 INFO L444 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2019-11-20 08:14:54,593 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2019-11-20 08:14:54,593 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 08:14:54,593 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 08:14:54,593 INFO L440 ceAbstractionStarter]: At program point L20(lines 11 21) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 2147483647) [2019-11-20 08:14:54,594 INFO L440 ceAbstractionStarter]: At program point L16-2(lines 16 18) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= 0 (+ ULTIMATE.start_main_~x~0 1))) [2019-11-20 08:14:54,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:14:54 BoogieIcfgContainer [2019-11-20 08:14:54,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 08:14:54,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 08:14:54,610 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 08:14:54,610 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 08:14:54,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:14:53" (3/4) ... [2019-11-20 08:14:54,613 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 08:14:54,622 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 08:14:54,622 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 08:14:54,658 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_33a74828-ac34-43e9-9cc2-cc5f138fe7bc/bin/uautomizer/witness.graphml [2019-11-20 08:14:54,658 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 08:14:54,660 INFO L168 Benchmark]: Toolchain (without parser) took 1406.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2019-11-20 08:14:54,661 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:14:54,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -212.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-20 08:14:54,662 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:14:54,662 INFO L168 Benchmark]: Boogie Preprocessor took 20.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:14:54,663 INFO L168 Benchmark]: RCFGBuilder took 233.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-11-20 08:14:54,664 INFO L168 Benchmark]: TraceAbstraction took 822.37 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: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. [2019-11-20 08:14:54,664 INFO L168 Benchmark]: Witness Printer took 48.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:14:54,667 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 244.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -212.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 233.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 822.37 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: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. * Witness Printer took 48.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: x <= 2147483647 && 0 <= x + 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: x <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 2 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 9 SDtfs, 7 SDslu, 0 SDs, 0 SdLazy, 21 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 12 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 417 SizeOfPredicates, 0 NumberOfNonLiveVariables, 17 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...